14 条题解

  • 4
    @ 2023-3-29 18:01:31
    #include <iostream>
    using namespace std;
    int n;
    void one(){
        for(int i=1;i<=n;i++)cout<<"*";
        cout<<endl;
    }
    void md(int x,int k){
        for(int j=1;j<=x;j++)cout<<"*";
        for(int j=1;j<=k;j++)cout<<" ";
        for(int j=1;j<=x;j++)cout<<"*";
        cout<<endl;
    }
    int main(){
        cin>>n;
        one();
        int x=n/2,k=1;
        for(int i=1;i<=n/2;i++){
            md(x,k);
            x--;
            k+=2;
        }
        x+=2;
        k-=4;
        for(int i=1;i<=n/2-1;i++){
            md(x,k);
            x++;
            k-=2;
        }
        one();
    	return 0;
    }
    
    • 4
      @ 2022-1-12 11:52:13
      #include<stdio.h>
      #include<iostream>
      #include<math.h>
      using namespace std;
      int main()
      {
      	int n;
      	cin>>n;
      	n/=2; 
      	for(int i=1;i<=n+1;i++)
      	{
      		for(int j=1;j<=n*2+1;j++)
      		{
      			if(n-i+2<j&&n+i>j)
      			{
      				cout<<" ";
      			}
      			else
      			{
      				cout<<"*";
      			}
      		}
      		cout<<endl;
      	}
      	for(int i=n;i>=1;i--)
      	{
      		for(int j=1;j<=n*2+1;j++)
      		{
      			if(n-i+2<j&&n+i>j)
      			{
      				cout<<" ";
      			}
      			else
      			{
      				cout<<"*";
      			}
      		}
      		cout<<endl;
      	}
      }
      
      • 2
        @ 2025-5-11 9:50:08
        #include <iostream>
        using namespace std;
        int n;
        void one(){
            for(int i=1;i<=n;i++)cout<<"*";
            cout<<endl;
        }
        void md(int x,int k){
            for(int j=1;j<=x;j++)cout<<"*";
            for(int j=1;j<=k;j++)cout<<" ";
            for(int j=1;j<=x;j++)cout<<"*";
            cout<<endl;
        }
        int main(){
            cin>>n;
            one();
            int x=n/2,k=1;
            for(int i=1;i<=n/2;i++){
                md(x,k);
                x--;
                k+=2;
            }
            x+=2;
            k-=4;
            for(int i=1;i<=n/2-1;i++){
                md(x,k);
                x++;
                k-=2;
            }
            one();
        	return 0;
        }
        
        
        • 1
          @ 2022-1-12 12:02:04
          #include<stdio.h>
          #include<iostream>
          #include<math.h>
          using namespace std;
          int main()
          {
          	int n;
          	cin>>n;
          	n/=2; 
          	for(int i=1;i<=n+1;i++)
          	{
          		for(int j=1;j<=n*2+1;j++)
          		{
          			if(n-i+2<j&&n+i>j)
          			{
          				cout<<" ";
          			}
          			else
          			{
          				cout<<"*";
          			}
          		}
          		cout<<endl;
          	}
          	for(int i=n;i>=1;i--)
          	{
          		for(int j=1;j<=n*2+1;j++)
          		{
          			if(n-i+2<j&&n+i>j)
          			{
          				cout<<" ";
          			}
          			else
          			{
          				cout<<"*";
          			}
          		}
          		cout<<endl;
          	}
          }
          
          • 0
            @ 2025-5-19 22:08:05

            #include using namespace std;

            int main() { int n; cin >> n; int mid = (n + 1) / 2;

            for (int i = 1; i <= n; ++i) {
                int stars; // 左右两边星号数量
                int spaces; // 中间空格数量
            
                if (i == 1 || i == n) {
                    // 第一行和最后一行全部星号
                    stars = n;
                    spaces = 0;
                } else if (i <= mid) {
                    stars = mid - i + 1;
                    spaces = 2 * (i - 2) + 1;  // i=2时空格为1,递增奇数
                } else {
                    stars = i - mid + 1;
                    spaces = 2 * (n - i - 1) + 1; // 下半部分空格递减奇数
                }
            
                if (spaces == 0) {
                    // 中间无空格,整行星号
                    for (int k = 0; k < stars; ++k) cout << "*";
                } else {
                    // 有空格,先打印左星号
                    for (int k = 0; k < stars; ++k) cout << "*";
                    // 打印中间空格
                    for (int k = 0; k < spaces; ++k) cout << " ";
                    // 打印右星号
                    for (int k = 0; k < stars; ++k) cout << "*";
                }
                cout << "\n";
            }
            return 0;
            

            }

            • 0
              @ 2024-11-18 22:12:03
              #include <bits/stdc++.h>
              using namespace std;
              int n;
              int main()
              {
              	cin>>n;
              	for(int i=1;i<=n;i++)cout<<"*";
              	for(int i=n/2;i>=1;i--){
              	cout<<endl;
              	for(int j=1;j<=i;j++)cout<<"*";
              	for(int j=1;j<=n-2*i;j++)cout<<" ";
              	for(int j=1;j<=i;j++)cout<<"*";
              	}
              	for(int i=2;i<=n/2;i++){
              	cout<<endl;
              	for(int j=1;j<=i;j++)cout<<"*";
              	for(int j=1;j<=n-2*i;j++)cout<<" ";
              	for(int j=1;j<=i;j++)cout<<"*";
              	}
              	cout<<endl;
              	for(int i=1;i<=n;i++)cout<<"*";
              	return 0;
              }
              
              • 0
                @ 2023-6-2 19:53:06
                #include <iostream>
                #include <bits/stdc++.h>
                using namespace std;
                const int N=1e7+10;
                const int INF=0x3f3f3f3f;
                int main()
                {
                	int n;
                	cin>>n;
                	int zhong=n/2+1,bu=0;
                	for(int i=1;i<=n;i++)
                	{
                		for(int j=1;j<=n;j++)
                		{
                			if(i==1 || i==n)
                			{
                				cout<<'*';
                			}
                			else
                			{
                				if(j<=zhong+bu && j>=zhong-bu)
                			    cout<<' ';
                			    else
                			    cout<<'*';
                			}
                		}
                		cout<<"\n";
                		if(i==1 || i==n)
                		{
                			bu=0;
                		}
                		else
                		{
                			if(i<zhong)
                		bu++;
                		if(i>=zhong)
                		bu--;
                		}
                		
                	}
                }
                
                
                • 0
                  @ 2023-3-19 18:05:26
                  #include<stdio.h>
                  #include<iostream>
                  #include<math.h>
                  using namespace std;
                  int main()
                  {
                  	int n;
                  	cin>>n;
                  	n/=2; 
                  	for(int i=1;i<=n+1;i++)
                  	{
                  		for(int j=1;j<=n*2+1;j++)
                  		{
                  			if(n-i+2<j&&n+i>j)
                  			{
                  				cout<<" ";
                  			}
                  			else
                  			{
                  				cout<<"*";
                  			}
                  		}
                  		cout<<endl;
                  	}
                  	for(int i=n;i>=1;i--)
                  	{
                  		for(int j=1;j<=n*2+1;j++)
                  		{
                  			if(n-i+2<j&&n+i>j)
                  			{
                  				cout<<" ";
                  			}
                  			else
                  			{
                  				cout<<"*";
                  			}
                  		}
                  		cout<<endl;
                  	}
                  }
                  
                  • 0
                    @ 2022-1-12 12:09:03
                    #include<stdio.h>
                    #include<iostream>
                    #include<math.h>
                    using namespace std;
                    int main()
                    {
                    	int n;
                    	cin>>n;
                    	n/=2; 
                    	for(int i=1;i<=n+1;i++)
                    	{
                    		for(int j=1;j<=n*2+1;j++)
                    		{
                    			if(n-i+2<j&&n+i>j)
                    			{
                    				cout<<" ";
                    			}
                    			else
                    			{
                    				cout<<"*";
                    			}
                    		}
                    		cout<<endl;
                    	}
                    	for(int i=n;i>=1;i--)
                    	{
                    		for(int j=1;j<=n*2+1;j++)
                    		{
                    			if(n-i+2<j&&n+i>j)
                    			{
                    				cout<<" ";
                    			}
                    			else
                    			{
                    				cout<<"*";
                    			}
                    		}
                    		cout<<endl;
                    	}
                    }
                    
                    • -1
                      @ 2023-3-25 18:46:52

                      #include<bits/stdc++.h> using namespace std; int main() { int n,t=1; cin>>n; for(int i=1; i<=n; i++) cout<<""; cout<<endl; for(int i=2; i<=n/2; i++) { for(int j=1; j<=(n-t)/2; j++) cout<<""; for(int j=1; j<=t; j++) cout<<" "; for(int j=1; j<=(n-t)/2;j++) cout<<""; cout<<endl; t+=2; } for(int i=2; i<=n/2+1; i++) { for(int j=1; j<=(n-t)/2; j++) cout<<""; for(int j=1; j<=t; j++) cout<<" "; for(int j=1; j<=(n-t)/2; j++) cout<<""; cout<<endl; t-=2; } for(int i=1; i<=n; i++) cout<<""; return 0; }

                      • -1
                        @ 2023-3-25 18:46:11
                        • -1
                          @ 2023-3-19 20:15:15

                          #include<stdio.h> #include #include<math.h> using namespace std; int main() { int n; cin>>n; n/=2; for(int i=1;i<=n+1;i++) { for(int j=1;j<=n2+1;j++) { if(n-i+2<j&&n+i>j) { cout<<" "; } else { cout<<""; } } cout<<endl; } for(int i=n;i>=1;i--) { for(int j=1;j<=n2+1;j++) { if(n-i+2<j&&n+i>j) { cout<<" "; } else { cout<<""; } } cout<<endl; }

                            1. }
                          • -2
                            @ 2024-12-2 21:58:06

                            #include<bits/stdc++.h> using namespace std; int main(){ int n,left,right; cin>>n; int center=n/2; for(int i=0;i<n;i++){ left=abs(center-i); right=center-left+center; for(int j=0;j<n;j++){ if(j<=left||j>=right){ cout<<'*'; }else{ cout<<" "; } } cout<<endl; } return 0; }

                            • -2
                              @ 2022-1-12 12:02:48
                              #include <math.h>
                              #include <stack>
                              #include <stdio.h>
                              #include <iostream>
                              #include <vector>
                              #include <iomanip>
                              #include <string.h>
                              #include <algorithm>
                              using namespace std;
                              #define LL long long
                              const int N = 1e5 + 10;
                              const int INF = 0x3f3f3f3f;
                              int main()   
                              {
                              	int n;
                              	cin>>n;
                              	n/=2;
                              	for(int i=1;i<=n+1;i++)
                              	{
                              		for(int j=1;j<=n*2+1;j++)
                              		{
                              			if(n-i+2<j&&n+i>j)
                              			{
                              				cout<<" ";
                              			}
                              			else
                              			{
                              				cout<<"*";
                              			}
                              		}
                              		cout<<endl;
                              	}
                              	for(int i=n;i>=1;i--)
                              	{
                              		for(int j=1;j<=n*2+1;j++)
                              		{
                              			if(n-i+2<j&&n+i>j)
                              			{
                              				cout<<" ";
                              			}
                              			else
                              			{
                              				cout<<"*";
                              			}
                              		}
                              		cout<<endl;
                              	}
                              }
                              
                              • 1

                              信息

                              ID
                              953
                              时间
                              1000ms
                              内存
                              128MiB
                              难度
                              6
                              标签
                              递交数
                              419
                              已通过
                              242
                              上传者