5 条题解

  • 1
    @ 2022-5-8 21:08:11
    /*****************************************
    备注:
    ******************************************/
    #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 LL long long
    const int N = 1e5 + 10;
    const int INF = 0x3f3f3f3f;
    int main()
    {
    	string a;
    	cin >> a;
    	int len = a.size();
    	while(len > 1)
    	{
    		int sum =0;
    		for(int i = 0 ; i < len ; i++)
    			sum += a[i] - 48;
    		a = to_string(sum);
    		len = a.size();
    	}
    	cout << a << endl;
    	return 0;
    }
    
    • 1
      @ 2022-2-26 11:25:03
      #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 LL long long
      const int N = 1e5 + 10; 
      const int INF = 0x3f3f3f3f; 
      char a[N];
      int main()
      {
      	cin >> a;
      	int len = strlen(a);
      	int sum = 0;
      	for (int i = 0 ; i < len; i++)
      	{
      		sum +=  (a[i] - '0');
      	}
      	while(sum >= 10)
      	{
      		int ans = 0;
      		while(sum != 0)
      		{
      			ans += sum%10;
      			sum /= 10;
      
      		}
      		sum = ans;
      	}
      	cout << sum << endl;
      
      
      }
      
      • 0
        @ 2022-2-26 11:22:57
        #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 LL long long
        const int N = 1e5 + 10; 
        const int INF = 0x3f3f3f3f; 
        char a[N];
        int main()
        {
        	cin >> a;
        	int len = strlen(a);
        	int sum = 0;
        	for (int i = 0 ; i < len; i++)
        	{
        		sum +=  (a[i] - '0');
        	}
        	while(sum >= 10)
        	{
        		int ans = 0;
        		while(sum != 0)
        		{
        			ans += sum%10;
        			sum /= 10;
        
        		}
        		sum = ans;
        	}
        	cout << sum << endl;
        
        
        }
        
        • 0
          @ 2022-2-26 11:21:04
          #include <string.h>
           
          #define M 1000000
           
          int main(void)
          {
              long long a, b;
              char s[M+1];
              int i;
           
              while (scanf("%s", s) != EOF)
              {
                  if (strcmp(s, "0") == 0)
                      break;
           
                  a = 0;
                  for (i=0; s[i]; i++)
                      a += s[i]-'0';
           
                  while (a>=10)
                  {
                      b = 0;
                      while (a)
                      {
                          b += a%10;
                          a /= 10;
                      }
                      a = b;
                  }
           
                  printf("%lld\n", a);
              }
           
              return 0;
          }```
          • -1
            @ 2021-10-23 19:10:25

            #include <iostream> #include <stdio.h> #include <string.h> using namespace std; int main() { int n; cin >> n; int sum = 0; while(1) { if(n == 0) { if(sum >= 10) { n = sum; sum = 0; } else { cout << sum; break; } } else { sum += n%10; n = n/10; } } }

            • 1

            信息

            ID
            1134
            时间
            1000ms
            内存
            128MiB
            难度
            3
            标签
            递交数
            135
            已通过
            73
            上传者