Submission #728597

#TimeUsernameProblemLanguageResultExecution timeMemory
728597WonderfulWhaleGenetics (BOI18_genetics)C++17
27 / 100
2044 ms7068 KiB
#include <algorithm>
#include<bits/stdc++.h>
using namespace std;

#define int int64_t
#define pb push_back
#define st first
#define nd second
#define pii pair<int, int>
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()

string tab[4109];

int32_t main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);

	int n, m, K;
	cin >> n >> m >> K;
	for(int i=1;i<=n;i++) cin >> tab[i];
	vector<int> v;
	for(int i=1;i<=n;i++) v.pb(i);
	random_shuffle(all(v));
	for(int i=0;i<n;i++) {
		bool ans = true;
		for(int j=0;j<n;j++) {
			if(i==j) continue;
			int cnt = 0;
			for(int k=0;k<m;k++) {
				if(tab[v[i]][k]!=tab[v[j]][k]) cnt++;
			}
			if(cnt!=K) {
				ans = false;
				break;
			}
		}
		if(ans) {
			cout << v[i] << "\n";
			return 0;
		}
	}
}

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