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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main ()
  5. {
  6.     int n;
  7.     cin>>n;
  8.     int ngay;
  9.     int s=0;
  10.     for (int i=1; i<=12; i++)
  11.     {
  12.         if (i==1 || i==3 || i==5 || i==7 || i==8 || i==10 || i==12)
  13.             ngay=31;
  14.         else if (i==2)
  15.         {
  16.             if ((n%4==0 && n%100!=0) || (n%400==0))
  17.                 ngay=29;
  18.             else
  19.                 ngay=28;
  20.         }
  21.         else
  22.             ngay=30;
  23.  
  24.         for (int j=1; j<=ngay; j++)
  25.         {
  26.             s=s+(j/10)+(j%10)+(i/10)+(i%10)+n/1000+(n/100)%10+(n/10)%10+n%10;
  27.         }
  28.     }
  29.     cout<<s;
  30. }
Success #stdin #stdout 0s 4520KB
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https://ideone.com/PKBppU
v- ALGOPRO6 - Giá trị của năm
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
secret

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