제출 #566264

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
566264		minhcool	Genetics (BOI18_genetics)	C++17	27 / 100	197 ms	26956 KiB

genetics

#include<bits/stdc++.h>
using namespace std;

#define int long long
#define fi first
#define se second
#define pb push_back
#define mp make_pair
#define foru(i, l, r) for(int i = l; i <= r; i++)
#define ford(i, r, l) for(int i = r; i >= l; i--)

typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef pair<ii, ii> iiii;

const int N = 4005;

const int oo = 1e18 + 7, mod = 1e9 + 7;

int n, m, K;
int a[N][N];

int ha[256];

int tol[N];

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int rnd(int l, int r){
	int temp = rng() % (r - l + 1);
	temp = (temp + (r - l + 1)) % (r - l + 1);
	return temp + l;
}

void process(){
	ha[0] = 1, ha[6] = 2, ha['T' - 'A'] = 3, ha[2] = 4;
	cin >> n >> m >> K;
	//cout << n << " " << m << " " << K << "\n";
	for(int i = 1; i <= n; i++){
		for(int j = 1; j <= m; j++){
			char c;
			cin >> c;
			a[i][j] = ha[c - 'A'];
			//cout << a[i][j] << "\n";
		}
	}
	for(int itr = 1; itr <= 70000; itr++){
		//if(se.size() )
		int sum = 0;
		int temp1 = rnd(1, n), temp2 = rnd(1, n);
		while(temp2 == temp1) temp2 = rnd(1, n);
		for(int k = 1; k <= m; k++) sum += (a[temp1][k] != a[temp2][k]);
		//cout << i << " " << j << " " << sum << "\n";
		if(sum != K){
			tol[temp1] = 1, tol[temp2] = 1;
		}
	}
	for(int i = 1; i <= n; i++){
		if(!tol[i]){
			bool ck = 1;
			for(int j = 1; j <= n; j++){
				if(i == j) continue;
				int sum = 0;
				for(int k = 1; k <= m; k++) sum += (a[i][k] != a[j][k]);
				if(sum == m){
					ck = 0;
					break;
				}
			}
			if(ck){
				cout << i;
				return;
			}
		}
	}
	//int cnt = 0;
}

signed main(){
	ios_base::sync_with_stdio(0);
	process();
}

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