제출 #532611

#제출 시각아이디문제언어결과실행 시간메모리
532611sidonGenetics (BOI18_genetics)C++17
46 / 100
2031 ms93884 KiB
#pragma GCC optimize("O3", "unroll-loops")
#pragma GCC target("avx2", "popcnt")
#include <bits/stdc++.h>
using namespace std;
 
const int Z = 4100;
 
int N, M, K;
bitset<Z*4> a[Z];
 
int g[100];
 
bool chk[Z][Z]; int cnt[Z][Z];
 
int main() {
	ios::sync_with_stdio(0), cin.tie(0);
 
	g['C'] = 1;
	g['G'] = 2;
	g['T'] = 3;
 
	cin >> N >> M >> K;
 
	for(int i = 0; i < N; ++i) {
		string inp; cin >> inp;
		for(int j = 0; j < M; ++j)
			a[i][g[inp[j]] * Z + j] = 1;
	}
 
	int o[N];
	iota(o, o + N, 0);
	stable_partition(o, o + N, [](const int &i) {
		return ((i ^ 1024) > N / 2);
	});
 
	for(int &i : o) {
		bool ok = 1;
 
		a[i].flip();
 
		for(int j = 0; j < N; ++j) if(i != j) {
			int c = (chk[i][j] ? cnt[i][j] : (a[i] & a[j]).count());
 
			chk[i][j] = chk[j][i] = 1;
			cnt[i][j] = cnt[j][i] = c;
 
			if(c != K) {
				ok = 0;
				break;
			}
		}
 
		if(ok) {
			cout << i + 1;
			return 0;
		}
 
		a[i].flip();
	}
}

컴파일 시 표준 에러 (stderr) 메시지

genetics.cpp: In function 'int main()':
genetics.cpp:27:17: warning: array subscript has type 'char' [-Wchar-subscripts]
   27 |    a[i][g[inp[j]] * Z + j] = 1;
      |                 ^
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