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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. bool check_year(int year){
  5.     if ( (year % 4 == 0) && (year % 100 != 0) || (year % 400 == 0) ) return true;
  6.     return false;
  7. }
  8.  
  9. int main() {
  10.     int n, a;
  11.  
  12.     cin>>n;
  13.     cin>>a;
  14.     n--;
  15.  
  16.     while(n){
  17.         int x; cin>>x;
  18.         a = a * x / __gcd(a, x);
  19.         n--;        // originally didn't write this line, resulting in CE
  20.     }
  21.  
  22.     char date[12];
  23.     int month_days[13] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
  24.     scanf("%s", date);
  25.     int y, m ,d;
  26.     //cout<<date<<"\n";
  27.     sscanf(date, "%d/%d/%d", &y, &m, &d);
  28.     d += a;
  29.  
  30.     while( d > month_days[m] ){
  31.         d -= month_days[m];
  32.         if( m==12 ){
  33.             y++; m=1;
  34.  
  35.         }else if( m<12 && m>0 ){
  36.             if( check_year(y) && m==2 ) d--;
  37.             m++;
  38.         }
  39.     }
  40.  
  41.     cout<<y <<"/";
  42.  
  43.     if( m<10 ) cout<<0;
  44.     cout<<m <<"/";
  45.  
  46.     if(d<10) cout<<0;
  47.     cout<<d;
  48. }
Success #stdin #stdout 0s 5284KB
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stdin
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2
4 5
2016/2/9
stdout
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2016/03/00
https://ideone.com/PkL64e
language:
C++ (gcc 8.3)
created:
44 days ago
visibility:
public

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