4 条题解

  • 1
    @ 2025-7-30 14:15:49

    0分代码100Ac代码,已验证,放心复制↓

    #include <iostream>
    using namespace std;
    int main()
    {
    	int a;
    	cin >> a;
    	if(90<=a && a<=100)
    		cout << "A";
    	else if(80<=a && a<=89)
    		cout << "B";
    	else if(70<=a && a<=79)
    		cout << "C";
    	else if(60<=a && a<=69)
    		cout << "D";
    	else if(a<60)
    		cout << "E";
    	
        return 0;
    }
    
    • 1
      @ 2025-4-20 12:10:44

      最难的代码 最简洁的代码

      #include<iostream>
      using namespace std;
      int main ()
      {
      	int a;
      	cin >> a;
      	if(a>=90)
      	{
      		cout << "A";
      	}
      	
      	if(a>=80&a<90)
      	{
      		cout << "B";
      	}
      	if(a>=70&a<80)
      	{
      		cout << "C";
      	 } 
      	 if(a>=60&a<70)
      	{
      		cout << "D";
      	}
      	if(a<60)
      	{
      		cout << "E";
      	}
      }
      
      
      • 0
        @ 2025-3-11 13:26:46
        #include <queue>
        #include <math.h>
        #include <stack>
        #include <stdio.h>
        #include <iostream>
        #include <vector>
        #include <iomanip>
        #include <string.h>
        #include <algorithm>
        using namespace std;
        #define elif else if
        #define int long long
        #define float double
        #define N 30000010
        #define INF 0xc00000fd
        #define scf scanf
        #define ptf printf
        #define gtc getchar
        #define ptc putchar
        #define psp ptc(' ')
        #define pel ptc('\n')
        #define pzr ptc('0')
        #define fin for(int i = 1; i <= n; i++)
        #define fim for(int i = 1; i <= m; i++)
        #define fjn for(int j = 1; j <= n; j++)
        #define fjm for(int j = 1; j <= m; j++)
        #define rai fin	a[i] = read()
        #define wct write(cnt)
        #define pct print(cnt)
        #define was write(ans)
        #define pas print(ans)
        queue<int> Q;
        stack<int> S;
        vector<int> V;
        inline int wei(int n){
        	int cnt = 0;
        	while(n > 0){
        		n /= 10;
        		cnt++;
        	}
        	return cnt;
        }
        inline bool isPrime(int n){
        	if(n < 2)
        		return 0;
        	for(int i = 2; i * i <= n; ++i)
        		if(n % i == 0)
        			return 0;
        	return 1;
        }
        inline int read(string n){
        	int x = 0, f = 1;
        	ptf("%s", n.c_str());
        	char c = gtc();
        	while(c < '0'  ||  c > '9'){
        		if(c == '-')
        			f = -1;
        		c = gtc();
        	}
        	while(c >= '0'  &&  c <= '9'){
        		x = x * 10 + c - 48;
        		c = gtc();
        	}
        	return x * f;
        }
        inline float input(string n){
        	float x = 0, f = 1, x2 = 0, cnt = 0, i = 0;
        	ptf("%s", n.c_str());
        	char c = gtc();
        	while(c < '0'  ||  c > '9'){
        		if(c == '-')
        			f = -1;
        		c = gtc();
        	}
        	while(c >= '0'  &&  c <= '9'){
        		x = x * 10 + c - 48;
        		c = gtc();
        	}
        	c = gtc();
        	while(c >= '0'  &&  c <= '9'){
        		x2 = x2 * 10 + c - 48;
        		cnt++;
        		c = gtc();
        	}
        	for(; i < cnt; i++)
        		x2 /= 10.0;
        	return (x + x2) * f;
        }
        inline void write(int n) {
            if(n < 0){
                ptc('-');
                n = -n;
            }
            if(n > 9)
        		write(n / 10);
            ptc(n % 10 + '0');
        	return;
        }
        inline void print(int n, float m){
        	write(m);
        	m -= (int)m;
        	ptc('.');
        	int cnt = 0;
        	while(m - (int)m && n - cnt){
        		m *= 10;
        		ptc((int)m % 10 + '0');
        		cnt++;
        	}
        	n -= cnt;
        	fin
        		ptc('0');
        	return;
        }
        #define input() input("")
        #define read() read("")
        int n = read();
        char c;
        inline void Main(){
        	if(n > 90)
        		c = 'A';
        	elif(n >= 80)
        		c = 'B';
        	elif(n >= 70)
        		c = 'C';
        	elif(n >= 60)
        		c = 'D';
        	else
        		c = 'E';
        	ptc(c);
        	return;
        }
        signed main(signed argc, char **argv){
        	Main();
        	pel;
        	return 0;
        }
        
        • -3
          @ 2022-1-21 23:27:19
          #include <iostream>
          using namespace std;
          int main(){
              int n;
              cin>>n;
              if(n>=90)
              cout<<"A";
              else if(n>=80)
                  cout<<"B";
              else if(n>=70)
                  cout<<"C";
              else if(n>=60)
                  cout<<"D";
              else    
                  cout<<"E";
              return 0;
          }
          • 1

          信息

          ID
          854
          时间
          1000ms
          内存
          128MiB
          难度
          2
          标签
          递交数
          75
          已通过
          49
          上传者