Submission #945169

#	Time	Username	Problem	Language	Result	Execution time	Memory
945169		LucaIlie	Genetics (BOI18_genetics)	C++17	46 / 100	2064 ms	44020 KiB

genetics

#include <bits/stdc++.h>

using namespace std;

const int MAX_N = 4100;
const int MAX_M = 4100;

string s[MAX_N];
int frecv[MAX_N][128];

int main() {
    int n, m, k;

    cin >> n >> m >> k;
    for ( int i = 0; i < n; i++ ) {
        cin >> s[i];
        for ( int j = 0; j < m; j++ )
            frecv[j][s[i][j]]++;
    }

    for ( int i = 0; i < n; i++ ) {
        int d = 0;
        for ( int j = 0; j < m; j++ )
            d += n - frecv[j][s[i][j]];

        if ( d == (n - 1) * k ) {
            bool ok = true;
            for ( int j = 0; j < n && ok; j++ ) {
                if ( i == j )
                    continue;
                int d = 0;
                for ( int p = 0; p < m; p++ )
                    d += (s[i][p] != s[j][p]);
                if ( d != k )
                    ok = false;
            }
            if ( ok )
                cout << i + 1 << "\n";
        }
    }

    return 0;
}

Compilation message (stderr)

genetics.cpp: In function 'int main()':
genetics.cpp:18:29: warning: array subscript has type 'char' [-Wchar-subscripts]
   18 |             frecv[j][s[i][j]]++;
      |                             ^
genetics.cpp:24:38: warning: array subscript has type 'char' [-Wchar-subscripts]
   24 |             d += n - frecv[j][s[i][j]];
      |                                      ^

• Subtask 1: 27 / 27
• Subtask 2: 19 / 19
• Subtask 3: 0 / 28
• Subtask 4: 0 / 26