Submission #601388

#	Time	Username	Problem	Language	Result	Execution time	Memory
601388		penguinhacker	Genetics (BOI18_genetics)	C++17	46 / 100	2025 ms	38984 KiB

genetics

#include <bits/stdc++.h>
#pragma GCC target("popcnt")
using namespace std;

#define ll long long
#define ar array

const int mxN=4100;
int n, m, k, mp[256];
string s[mxN];
bitset<mxN> oc[mxN][4];
bool bad[mxN];

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	mp['A']=0, mp['C']=1, mp['T']=2, mp['G']=3;
	cin >> n >> m >> k;
	for (int i=0; i<n; ++i) {
		cin >> s[i];
		for (int j=0; j<m; ++j)
			oc[i][mp[s[i][j]]][j]=1;
	}
	for (int i=0; i<n; ++i) {
		if (bad[i])
			continue;
		for (int j=0; j<n; ++j)
			if (i!=j) {
				int same=0;
				for (int l=0; l<4; ++l)
					same+=(oc[i][l]&oc[j][l]).count();
				if (m-same!=k) {
					bad[i]=bad[j]=1;
					break;
				}
			}
		if (!bad[i]) {
			cout << i+1;
			return 0;
		}
	}
	return 0;
}

Compilation message (stderr)

genetics.cpp: In function 'int main()':
genetics.cpp:22:20: warning: array subscript has type 'char' [-Wchar-subscripts]
   22 |    oc[i][mp[s[i][j]]][j]=1;
      |                    ^

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