Submission #480205

# Submission time Handle Problem Language Result Execution time Memory
480205 2021-10-15T09:45:45 Z mohamedsobhi777 PIN (CEOI10_pin) C++14
0 / 100
6 ms 6640 KB
#include <bits/stdc++.h>

using namespace std;

const int N = 2e5 + 7;
int n, d; 
long long ans ; 
string st[N] ; 

int main()
{
       ios_base::sync_with_stdio(0);
       cin.tie(0);
#ifndef ONLINE_JUDGE
       freopen("in.in", "r", stdin);
#endif
       cin >> n >> d ; 
       for(int i = 0 ;i < n; ++ i){
              cin >> st[i] ; 
       }
       for(int i = 0 ;i < n; ++ i ){
              for(int j = 0 ;j < i ; ++ j){
                     int diff = 0 ; 
                     for(int k = 0 ; k < 4 ; ++ k){
                            diff += (st[i][k] != st[j][k]) ; 
                     }
                     ans += (diff == d) ; 
              }
       }
       cout << ans ; 
       return 0;
}

Compilation message

pin.cpp: In function 'int main()':
pin.cpp:15:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |        freopen("in.in", "r", stdin);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 6604 KB Output isn't correct
2 Incorrect 6 ms 6604 KB Output isn't correct
3 Incorrect 6 ms 6604 KB Output isn't correct
4 Incorrect 6 ms 6604 KB Output isn't correct
5 Incorrect 5 ms 6604 KB Output isn't correct
6 Incorrect 6 ms 6604 KB Output isn't correct
7 Incorrect 6 ms 6604 KB Output isn't correct
8 Incorrect 5 ms 6604 KB Output isn't correct
9 Incorrect 6 ms 6604 KB Output isn't correct
10 Incorrect 6 ms 6604 KB Output isn't correct
11 Incorrect 5 ms 6640 KB Output isn't correct
12 Incorrect 6 ms 6604 KB Output isn't correct
13 Incorrect 6 ms 6604 KB Output isn't correct
14 Incorrect 6 ms 6604 KB Output isn't correct
15 Incorrect 6 ms 6640 KB Output isn't correct
16 Incorrect 5 ms 6604 KB Output isn't correct
17 Incorrect 6 ms 6604 KB Output isn't correct
18 Incorrect 6 ms 6604 KB Output isn't correct
19 Incorrect 6 ms 6628 KB Output isn't correct
20 Incorrect 6 ms 6604 KB Output isn't correct