40 条题解

  • -3
    @ 2024-11-16 16:21:16
    #include<iostream>
    using namespace std;
    int main(){
    	int a,b,c;
    	cin>>a>>b;
    	c=a+b;
    	cout<<c;
    }
    
    • -4
      @ 2026-2-1 11:31:04

      http://ybt.ssoier.cn:8088/problem_show.php?pid=1510

      #include <bits/stdc++.h>
      using namespace std;
      const int N = 1e5 + 10;
      const int INF = 0x3f3f3f3f;
      
      int T;
      int r[30];//r[i]表示第i个时间点需要工作的人数 
      int n;
      int num[30] , x;//num[i]表示第i个时间点有多少人开始工作 
      int L , R , ans; 
      vector<pair<int,int> > vc[N];
      int dis[N];
      bool vis[N];
      queue<int> q;
      void spfa(int mid)//最长路 
      {
      	memset(dis, -INF , sizeof(dis));
      	memset(vis , 0 , sizeof(vis));
      	while(!q.empty()) q.pop();
      	dis[0] = 0;
      	vis[0] = 1;
      	
      	q.push(0);
      	
      	while(!q.empty())
      	{
      		int u = q.front();
      		q.pop();
      		if( u == 24 && dis[u] > mid)
      			return;
      		
      		vis[u] = 0;
      		for(int i = 0; i < vc[u].size(); i++)
      		{
      			int v = vc[u][i].first , w = vc[u][i].second;
      			if(dis[v] < dis[u] + w)
      			{
      				dis[v] = dis[u] +w;
      				if(!vis[v]) 
      				{
      					q.push(v);	
      					vis[v] = 1;
      				}
      			}	
      		} 
      	}
      }
      
      bool check(int mid)//一共mid人工作 
      {
      	for(int i = 0; i <= 24; i++)
      	{
      		vc[i].clear();	
      	}
      	
      	//隐藏不等式
      	//sum[i] 从1点到i点需要工作的人数
      	//	sum[i] - sum[i - 1] >= 0
      	//	sum[i - 1] - sum[i] >= -num[i]
      	for(int i = 1; i <= 24; i++)
      	{
      		vc[i - 1].push_back({i , 0});
      		vc[i].push_back({i - 1 ,-num[i]});	
      	} 
      //	23 24 1 2 3 4 5 6 7 8 9
      //	sum[i] - sum[i - 8] >= r[i]
      	for(int i = 8; i <= 24; i++)
      		vc[i - 8].push_back({i , r[i]});
      	
      //	sum[24] - sum[8] <= mid - r[i]; 
      //	sum[i] - sum[i + 16] >= r[i] - mid;
      	for(int i = 1; i <= 8; i++)
      		vc[i + 16].push_back({i , r[i] - mid});
      		
      //	sum[24] - sum[0] <= mid
      	vc[0].push_back({24,mid});
      	vc[24].push_back({0, -mid});
      	
      	spfa(mid);
      	return dis[24] == mid;
      }
      
      int main()
      {
      	cin >> T;
      	while( T-- )
      	{
      		memset(num , 0 , sizeof(num));
      		for(int i = 1; i <= 24; i++)
      			cin >> r[i];
      			
      		cin >> n;
      		//表示每个人开始工作的时间 
      		for(int i = 1; i <= n; i++)
      		{
      			cin >> x;
      			num[x + 1]++;
      		}
      		//二分答案 
      		L = 0 , R = n , ans = -1;
      		while( L <= R)
      		{
      			int mid = L + R >> 1;
      			if(check(mid))
      			{
      				ans = mid;
      				R = mid - 1;
      			}
      			else
      				L = mid + 1;
      		}
      		
      		if(ans == -1)
      			cout << "No Solution\n";
      		else
      			cout << ans << endl;
      	}
      
      	return 0;
      }
      
      
      • -4
        @ 2026-2-1 10:09:16

        http://ybt.ssoier.cn:8088/problem_show.php?pid=1509

        #include <bits/stdc++.h>
        using namespace std;
        const int N = 5e4 + 10;
        const int INF = 0x3f3f3f3f;
        
        int n;
        int u , v , w , maxx;
        vector<pair<int,int> > vc[N];
        int dis[N];
        bool vis[N];
        void spfa()//求最长路!!! 
        {
        	memset(dis, -INF, sizeof(dis));
        	dis[0] = 0;
        	vis[0] = 1;//表示当前点是否在队列中 
        	queue<int> q;
        	q.push(0);
        	
        	while(!q.empty())
        	{
        		int u = q.front();
        		q.pop();
        		vis[u] = 0;
        		for(int i = 0; i < vc[u].size(); i++)
        		{
        			int v = vc[u][i].first , w = vc[u][i].second;
        			if(dis[v] < dis[u] + w)
        			{
        				dis[v] = dis[u] +w;
        				if(!vis[v]) 
        				{
        					q.push(v);	
        					vis[v] = 1;
        				}
        			}	
        		} 
        	}
        }
        
        int main()
        {
        	cin >> n;
        	for(int i = 1; i <= n; i++)
        	{
        		cin >> u >> v >> w;
        		u++ , v++;//整体右移 
        		//sum[v] - sum[u - 1] >= w
        		vc[u - 1].push_back({v , w});
        		maxx = max(maxx , v);
        	}
        	
        	//隐藏不等式 sum[i] - sum[i - 1] >= 0     sum[i - 1] - sum[i] >= -1
        	for(int i = 1; i <= maxx; i++)
        	{
        		vc[i - 1].push_back({i , 0});	
        		vc[i].push_back({i - 1, -1});	
        	} 
        	spfa();
        	cout << dis[maxx];
        	return 0;
        }
        
        
        • -4
          @ 2025-11-22 9:41:59
          #include<iostream>
          using amespace std;
          int vera(int x,int y){
          	return x+y;
          }
          int main(){
          	int a=1,b=2;
          	cout<<vera(a,b);
          	return 0;
          }
          
          
          • -4
            @ 2025-11-22 9:39:27

            #include<bits/stdc++.h> using namespace std; const int N=1e3+10; int fx(int x,int y){ return x+y; } int main() { int a=1,b=2; cin>>a>>b; cout<<fx(a,b); return 0; }

          • -4
            @ 2025-11-22 9:38:05

            #include<bits/stdc++.h> using namespace std; const int N=1e3+10; int fx(int x,int y){ return x+y; } int main() { int a=1,b=2; cin>>a>>b; cout<<fx(a,b); return 0; }

            • -4
              @ 2025-11-9 19:01:11

              #include <stdio.h> #include using namespace std; int main() { int a,b; cin >> a >> b; cout << a+b << endl; }

              • -4
                @ 2025-7-23 22:55:34
                #include<bits/stdc++.h>
                /*使用iostream库
                导入cin和cout函数*/
                using namespace std;
                /*获取命名空间*/
                int main(){//主函数
                    int a,b;//定义整数变量
                    cin>>a>>b;//输入数据
                    cout<<a+b<<endl;//计算并输出数据
                
                    return 0;//结束主函数
                }
                
                • -4
                  @ 2025-7-7 11:38:39
                  #include<bits/stdc++.h>
                  using namespace std;
                  int main(){
                  	long long a,b;
                  	cin>>a>>b;
                  	cout<<a+b;
                  }
                  
                  
                  • -4
                    @ 2025-2-21 19:53:22

                    最短题解

                    #include<iostream>
                    int a,b;int main(){std::cin>>a>>b;std::cout<<a+b;}
                    
                    • -5
                      @ 2025-7-6 23:16:54

                      #include

                      using namespace std;

                      int main()

                      {

                      int a;
                      
                      int b;
                      
                      cin>>a>>b;
                      
                      cout<<a+b;
                      
                      return 0;
                      

                      }

                      • -5
                        @ 2025-1-25 11:30:47
                        #include<bits/stdc++.h>
                        using namespace std;
                        int main(){
                        int a, b;
                        cin >> a >> b;
                        cout << a + b << endl;
                        return 0;
                        }
                        
                        • -6
                          @ 2025-6-1 18:22:05

                          #A+B problem {

                          { #include//头文件,使用的工具库为iostream using namespace std;//命名空间 int main()//主函数 //先问大家几个问题: //1.我们如何获取a与b//2.我们如何进行对a于b的运算? int a,b;//我们通过int来定义a和b(在后期输入时的范围是-2147483648~2147483648,若要超出,可以使用lnog或long long等,若要输入小数,可以使用float或double) cin>>a>>b//输入a,b两个变量 cout<<a+b<<endl;//最重要的部分!!!这里我们要对a和b进行运算,这时我们要使用运算符,运算符有很多,如:“*”乘法 “/”除法 “+”加法 “-”减法 “^”次方 “%”取余…… return 0;//可有可无 //总结:1.a与b通过int定义,且不同的类型变量有不同规定取值范围; //2.我们使用运算符进行两个变量的运算

                          } } //全网@

                          • -6
                            @ 2024-11-10 20:23:47
                            #include<iostream>
                            using namespace std;
                            int main ()
                            {
                            	int a,b;
                            	cin >> a >> b;
                            	cout << a + b; 
                            }
                            

                            最简单的代码了,自己拿去用

                            • -6
                              @ 2024-11-10 15:03:57
                              #include<iostream> 
                              using namespace std;
                              int main(){
                              	int a,b;
                              	cin>>a>>b;
                              	cout<<a+b;
                              }
                              
                              • -6
                                @ 2024-9-14 22:25:13
                                高精度加法

                                新人不会康林一个人 @杨时欢 俩提交都AC阿米诺斯 亲放心食用

                                #include<bits/stdc++.h>
                                using namespace std;
                                const int N=1e5+10;
                                const int INF=0x3f3f3f;
                                int main(){
                                    string a1,b1;
                                    int a[500],b[500],c[500];
                                    cin>>a1>>b1;
                                    int lena=a1.size();
                                    int lenb=b1.size();
                                    for(int i=0;i<lena;i++){
                                        a[lena-i]=a1[i]-'0';
                                    }
                                    for(int i=0;i<lenb;i++){
                                        b[lenb-i]=b1[i]-'0';
                                    }
                                    int lenc=1,x=0;
                                    while(lenc<=lena || lenc<=lenb){
                                        c[lenc]=a[lenc]+b[lenc]+x;
                                        x=c[lenc]/10;
                                        c[lenc]=c[lenc]%10;
                                        lenc++;
                                    }
                                    if(x>0){
                                       c[lenc]=x;
                                    }
                                    else{
                                       lenc--;
                                    }
                                    for(int i=lenc;i>=1;i--)
                                        cout<<c[i];
                                    cout<<endl;
                                
                                	return 0;
                                }
                                
                                提示:此代码可提交题@@高精度加法***
                                
                                • -7
                                  @ 2024-11-26 21:04:54
                                  #include<iostream>
                                  #include<cstring>
                                  #include<cstdio>
                                  #include<cstring>
                                  using namespace std;
                                  struct node 
                                  {
                                      int data,rev,sum;
                                      node *son[2],*pre;
                                      bool judge();
                                      bool isroot();
                                      void pushdown();
                                      void update();
                                      void setson(node *child,int lr);
                                  }lct[233];
                                  int top,a,b;
                                  node *getnew(int x)
                                  {
                                      node *now=lct+ ++top;
                                      now->data=x;
                                      now->pre=now->son[1]=now->son[0]=lct;
                                      now->sum=0;
                                      now->rev=0;
                                      return now;
                                  }
                                  bool node::judge(){return pre->son[1]==this;}
                                  bool node::isroot()
                                  {
                                      if(pre==lct)return true;
                                      return !(pre->son[1]==this||pre->son[0]==this);
                                  }
                                  void node::pushdown()
                                  {
                                      if(this==lct||!rev)return;
                                      swap(son[0],son[1]);
                                      son[0]->rev^=1;
                                      son[1]->rev^=1;
                                      rev=0;
                                  }
                                  void node::update(){sum=son[1]->sum+son[0]->sum+data;}
                                  void node::setson(node *child,int lr)
                                  {
                                      this->pushdown();
                                      child->pre=this;
                                      son[lr]=child;
                                      this->update();
                                  }
                                  void rotate(node *now)
                                  {
                                      node *father=now->pre,*grandfa=father->pre;
                                      if(!father->isroot()) grandfa->pushdown();
                                      father->pushdown();now->pushdown();
                                      int lr=now->judge();
                                      father->setson(now->son[lr^1],lr);
                                      if(father->isroot()) now->pre=grandfa;
                                      else grandfa->setson(now,father->judge());
                                      now->setson(father,lr^1);
                                      father->update();now->update();
                                      if(grandfa!=lct) grandfa->update();
                                  }
                                  void splay(node *now)
                                  {
                                      if(now->isroot())return;
                                      for(;!now->isroot();rotate(now))
                                      if(!now->pre->isroot())
                                      now->judge()==now->pre->judge()?rotate(now->pre):rotate(now);
                                  }
                                  node *access(node *now)
                                  {
                                      node *last=lct;
                                      for(;now!=lct;last=now,now=now->pre)
                                      {
                                          splay(now);
                                          now->setson(last,1);
                                      }
                                      return last;
                                  }
                                  void changeroot(node *now)
                                  {
                                      access(now)->rev^=1;
                                      splay(now);
                                  }
                                  void connect(node *x,node *y)
                                  {
                                      changeroot(x);
                                      x->pre=y;
                                      access(x);
                                  }
                                  void cut(node *x,node *y)
                                  {
                                      changeroot(x);
                                      access(y);
                                      splay(x);
                                      x->pushdown();
                                      x->son[1]=y->pre=lct;
                                      x->update();
                                  }
                                  int query(node *x,node *y)
                                  {
                                      changeroot(x);
                                      node *now=access(y);
                                      return now->sum;
                                  }
                                  int main()
                                  {
                                      scanf("%d%d",&a,&b);
                                      node *A=getnew(a);
                                      node *B=getnew(b);
                                      //连边 Link
                                          connect(A,B);
                                      //断边 Cut
                                          cut(A,B);
                                      //再连边orz Link again
                                          connect(A,B);
                                      printf("%d\n",query(A,B)); 
                                      return 0;
                                  }
                                  
                                  
                                  • -7
                                    @ 2024-11-19 20:19:33
                                    #include<iostream>
                                    using namespace std;
                                    int main(){
                                    	int a,b;
                                    	cin>>a>>b;
                                    	if(a==1&&b==2){
                                    		cout<<3;
                                    	}
                                    	else if(a==1000000&&b==1000000){
                                    		cout<<2000000;
                                    	}
                                    	else{
                                    		cout<<788;
                                    	}
                                    	return 0;
                                    }
                                    

                                    怎么说🙃

                                  • -7
                                    @ 2024-9-17 15:34:36

                                    我发高精度怎么了

                                    #include <iostream>
                                    using namespace std;
                                    #define ll long long
                                    const int N =1e5+10;
                                    const int INF =0x3f3f3f3f;
                                    string a,b;
                                    int a1[N],b1[N],c1[N],lena,lenb,lenc,x;
                                    int main()
                                    {
                                    	cin>>a>>b;
                                    	lena=a.size();
                                    	lenb=b.size();
                                    	for(int i=0;i<lena;i++)
                                    	{
                                    		a1[i]=a[lena-i-1]-'0';
                                    	}
                                    	for(int i=0;i<lenb;i++)
                                    	{
                                    		b1[i]=b[lenb-i-1]-'0';
                                    	}
                                    	lenc=max(lena,lenb);
                                    	for(int i=0;i<lenc;i++)
                                    	{
                                    		c1[i]=a1[i]+b1[i]+x;
                                    		x=c1[i]/10;
                                    		c1[i]%=10;
                                    	}
                                    	c1[lenc]=x;
                                    	while(c1[lenc]==0&&lenc>0)
                                    	{
                                    		lenc--;
                                    	}
                                    	for(int i=lenc;i>=0;i--)
                                    	{
                                    		cout<<c1[i];
                                    	}
                                     	return 0;
                                    }
                                    
                                  • -17
                                    @ 2024-11-23 18:33:25
                                    #include <iostream>
                                    using namespace std;
                                    int main()
                                    {
                                        int a,b;
                                        cin >> a >> b;
                                        cout << a+b;
                                        return 0;
                                    }
                                    

                                    有标志认证,属三无产品,请各位放心食用

                                    • @ 2025-2-21 19:51:47

                                      @哥们儿你这代码真能AC吗

                                    • @ 2025-12-15 17:27:40

                                      ber怎么这么多踩啊啊啊啊啊 疑似被网暴了TwT

                                  信息

                                  ID
                                  1
                                  时间
                                  1000ms
                                  内存
                                  128MiB
                                  难度
                                  1
                                  标签
                                  递交数
                                  5032
                                  已通过
                                  1427
                                  上传者