24 条题解

  • 9
    @ 2022-1-8 11:18:40
    #include <stdio.h>
    #include <iostream>
    using namespace std;
    int main()
    {
    	int n;
    	cin >> n;
    	int sum = 0;
    	int num =1,day = 1;
    	for (int i = 1 ; i <= n ; i++)
    	{
    		sum += num;
    		day -= 1;
    		if(day ==0)
    		{
    			num++;
    			day = num;
    		}
    	}
    	cout << sum << endl;
    }
    
    • 3
      @ 2022-10-29 14:14:22
      #include <stdio.h>
      #include <iostream>
      #include <math.h>
      using namespace std;
      int main()
      {
      	int a;
      	cin>>a;
      	int sum=0;
      	int num=1,day=1;
      	for(int i=1;i<=a;i++)
      	{
      		sum+=num;
      		day-=1;
      		if(day==0)
      		{
      			num++;
      			day=num;
      		}
      	}
      	cout<<sum;
      }
      
      • 1
        @ 2024-11-22 19:05:07
        #include <bits/stdc++.h>
        using namespace std;
        int a,t=1,n,ans;
        int main() 
        {
        	cin>>a;
        	for(int i=1;i<=a;i++){
        	ans+=t;
        	n++;
        	if(t==n){
        	t++;
        	n = 0;
        		}
        	}
        	cout<<ans;
        	return 0;
        }
        
        • 1
          @ 2024-10-13 18:59:38

          #include <stdio.h> #include using namespace std; int main() { int n; cin >> n; int sum = 0; int num = 1,day = 1; for (int i =1; i <= n ; i++) { sum += num; day -= 1; if(day == 0) { num++; day = num; } } cout << sum << endl; }

          • 1
            @ 2023-6-8 18:37:12
            #include<bits/stdc++.h>
            using namespace std;
            int a,b,c;
            int main(){
                cin>>a;
                for(int i=1,j=0;i<=a;i++,j++){
                	if(j==c){
                		c++;
                		j=0;
            		}
            		b+=c;
            	}
            	cout<<b;
            	return 0;
            }
            
            • 1
              @ 2023-6-6 17:51:11
              #include<bits/stdc++.h>
              using namespace std;
              int n,cnt=0,sum=1;
              int main(){
              	cin>>n;
              	for(int i=1,j=0;i<=n;i++,j++){
              		if(j==sum){
              			sum++;
              			j=0;
              		}
              		cnt+=sum;
              	}
              	cout<<cnt;
              	return 0;
              }
              
              • 1
                @ 2022-1-8 11:26:06
                #include <iostream>
                #include <math.h>
                #include <iomanip>
                using namespace std;
                #define LL Long Long
                const int N=1e5+10;
                const int INF=0x3f3f3f3f;
                int main()
                {
                	int n;
                	cin >> n;
                	int sum = 0;
                	int sum = 1 , day = 1;
                	for (int i = 1 ; i <= n ; i++)
                	{
                		sum += sum;
                		day -=1;
                		if(day == 0)
                		{
                			num++;
                			day = num;
                		}
                	}
                	cout << sum << endl;
                }
                • 1
                  @ 2022-1-8 11:20:05
                  #include <stdio.h>
                  #include <iostream>
                  using namespace std;
                  int main()
                  {
                      int n;
                      cin >> n;
                      int sum = 0;
                      int num = 1,day = 1;
                      for(int i = 1; i <= n ; i++)
                      {
                          sum += num;
                          day -= 1;
                          if (day == 0)
                          {
                              num++;
                              day = num;
                          }
                      }
                      cout << sum << endl;
                  }
                  
                  • 1
                    @ 2022-1-8 11:15:53
                    #include <stdio.h>
                    #include <iostream>
                    #include <math.h>
                    using namespace std;
                    int main()
                    {
                    	int a;
                    	cin>>a;
                    	int sum=0;
                    	int num=1,day=1;
                    	for(int i=1;i<=a;i++)
                    	{
                    		sum+=num;
                    		day-=1;
                    		if(day==0)
                    		{
                    			num++;
                    			day=num;
                    		}
                    	}
                    	cout<<sum;
                    }
                    
                    • 0
                      @ 2025-2-22 20:37:31
                      #include <iostream>
                      using namespace std;
                      int main()
                      {
                      	int n;
                      	cin >> n;
                      	int sum = 0;
                      	int num =1,day = 1;
                      	for (int i = 1 ; i <= n ; i++)
                      	{
                      		sum += num;
                      		day -= 1;
                      		if(day ==0)
                      		{
                      			num++;
                      			day = num;
                      		}
                      	}
                      	cout << sum << endl;
                      }
                      
                      • 0
                        @ 2024-10-13 18:59:20

                        #include <stdio.h> #include using namespace std; int main() { int n; cin >> n; int sum = 0; int num = 1,day = 1; for (int i =1; i <= n ; i++) { sum += num; day -= 1; if(day == 0) { num++; day = num; } } cout << sum << endl; }

                        • 0
                          @ 2024-1-30 15:00:57
                          #include <iostream>
                          using namespace std;
                          int main()
                          {
                          	int n;
                          	cin >> n;
                          	int sum = 0;
                          	int num =1,day = 1;
                          	for (int i = 1 ; i <= n ; i++)
                          	{
                          		sum += num;
                          		day -= 1;
                          		if(day ==0)
                          		{
                          			num++;
                          			day = num;
                          		}
                          	}
                          	cout << sum << endl;
                          }
                          
                          
                          • 0
                            @ 2024-1-16 17:24:58

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

                            • 0
                              @ 2024-1-16 17:24:43

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

                              • 0
                                @ 2023-8-27 18:16:43
                                # 循环嵌套初学者看过来!
                                #include <iostream>
                                #include <iomanip>
                                #include <cmath>
                                using namespace std;
                                long long n,day,sum;
                                int main()
                                {
                                	cin >> n;
                                	for(int i = 1;i <= n;i++)
                                	{
                                		for(int j = 1;j <= i;j++)
                                		{
                                			day++;
                                			sum += i;
                                			if(day == n)
                                			{
                                				cout << sum;
                                				return 0;
                                			}
                                		}
                                	}
                                	return 0;
                                }
                                
                                • 0
                                  @ 2023-3-26 20:19:22
                                  using namespace std;
                                  long long n,sum,day,i,j;
                                  int main()
                                  {
                                  	cin>>n;
                                  	for(i=1;i<=n;i++)
                                  	{
                                  		sum = sum+i*i;
                                  		day = (1+i)*i/2;
                                  		if(day>=n)
                                  		{
                                  			sum=sum-(day-n)*i;
                                  			cout<<sum;
                                  			return 0;
                                  		}
                                  	}
                                  }
                                  
                                  • 0
                                    @ 2023-3-26 19:57:36

                                    #include

                                    using namespace std; int t; int main(){ int n,sum=0,day=0; cin>>n; for(int i=1;i<=n;i++){

                                    sum=sum+i*i;
                                    		day=(1+i)*i/2;
                                    		if(day>=n){
                                    			sum=sum-(day-n)*i;
                                    			cout<<sum;
                                    			return 0;
                                    		}
                                    	
                                    	
                                    }
                                    cout<<t;
                                    return 0;
                                    

                                    }

                                    • 0
                                      @ 2023-3-26 19:32:28

                                      #include

                                      using namespace std; int t; int main(){ int n,sum=0,day=0; cin>>n; for(int i=1;i<=n;i++){ for(int j=1;j<=i;j++){ sum+=i; day++; if(day==n){ cout<<sum; return 0; } }

                                      }
                                      cout<<t;
                                      return 0;
                                      

                                      }

                                      • 0
                                        @ 2023-3-26 19:32:20

                                        #include

                                        using namespace std; int t; int main(){ int n,sum=0,day=0; cin>>n; for(int i=1;i<=n;i++){ for(int j=1;j<=i;j++){ sum+=i; day++; if(day==n){ cout<<sum; return 0; } }

                                        }
                                        cout<<t;
                                        return 0;
                                        

                                        }

                                        • 0
                                          @ 2023-3-26 19:32:06

                                          #include using namespace std; int main() { int k, coin = 0, day = 0; cin >> k; for (int i = 1;; i++) for (int j = 1; j <= i; j++) { coin += i; day++; if (day == k) { cout << coin << endl; return 0; } } return 0; }

                                          信息

                                          ID
                                          919
                                          时间
                                          1000ms
                                          内存
                                          128MiB
                                          难度
                                          5
                                          标签
                                          递交数
                                          1167
                                          已通过
                                          475
                                          上传者