Submission #951572

#	Time	Username	Problem	Language	Result	Execution time	Memory
951572		mocha	Genetics (BOI18_genetics)	C++14	27 / 100	2028 ms	30452 KiB

genetics

#include <bits/stdc++.h>
using namespace std;
const int mx = 4105;

int n, m, k;
int a[mx][mx];
string st[mx];

int main() {
	cin.tie(0);ios::sync_with_stdio(0);

	cin >> n >> m >> k;
	for (int i=0;i<n;i++) {
		cin >> st[i];
	}
	for (int i=0;i<m;i++) {
		for (int j=0;j<n;j++) {
			for (int k=0;k<n;k++) {
				if (st[j][i] != st[k][i]) {
					a[j][k]++;
				}
			}
		}
	}	
	int ans = -1;
	for (int i=0;i<n;i++) {
		bool fl = 1;
		for (int j=0;j<n;j++) {
			if (i == j) continue;
			if (a[i][j] != k) {
				fl = 0;
				break;
			}
		}
		if (fl) {
			cout << i+1 << "\n";
			return 0;
		}
	}
}

Compilation message (stderr)

genetics.cpp: In function 'int main()':
genetics.cpp:25:6: warning: unused variable 'ans' [-Wunused-variable]
   25 |  int ans = -1;
      |      ^~~

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