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;
        }
        
        
        • 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
                @ 2023-3-25 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; }

                • 0
                  @ 2023-3-25 18:46:11
                  • 0
                    @ 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. }
                    • 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;
                        	}
                        }
                        
                        • 0
                          @ 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;
                          	}
                          }
                          
                          • -1
                            @ 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;
                            	}
                            }
                            
                            • -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; }

                              • 1

                              信息

                              ID
                              953
                              时间
                              1000ms
                              内存
                              128MiB
                              难度
                              6
                              标签
                              递交数
                              437
                              已通过
                              253
                              上传者