oj.uz

답안 #370209

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
370209 2021-02-23T15:06:11 Z soroush Ili (COI17_ili) C++17
49 / 100
 4000 ms 12652 KB 
#pragma GCC optimize("O3")
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

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

const int maxn = 1e4 + 10;

#define pb push_back
#define migmig ios::sync_with_stdio(false),cin.tie(0),cout.tie(0)
#define ms(x , y) memset(x , y , sizeof x)
#define dokme(x) cout << x, exit(0);

int n , m;
string s;

char c[maxn][2];
int a[maxn][2];
vector < int > ans[2];

bitset < maxn > x[maxn] , zero;

bool chk(int pos){
	x[pos].flip();
	for(int i : ans[1]){
		bool ok = 0;
		for(int j = x[pos]._Find_first() ; j < maxn ; j = x[pos]._Find_next(j))
			if(x[i][j]){
				ok = 1;
				break;
			}
		if(!ok)return(0);
	}
	return(1);
}

int32_t main(){
	migmig;
	cin >> n >> m >> s;
	s = "6" + s;
	for(int i = 1 ; i <= m ; i ++){
		for(int j = 0 ; j < 2 ; j ++){
			cin >> c[i][j] >> a[i][j] , a[i][j] += ((c[i][j] == 'c') ? n : 0);
			if(a[i][j] <= n)x[i][a[i][j]] = 1;
			else
				for(int v = x[a[i][j] - n]._Find_first() ; v < maxn ; v = x[a[i][j] - n]._Find_next(v))
					x[i][v] = 1;
		}
		if(s[i] == '0')ans[0].pb(i);
		if(s[i] == '1')ans[1].pb(i);
	}
	for(int i : ans[0])
		zero |= x[i];
	for(int i = 1 ; i <= m ; i ++){
		x[i] ^= (zero & x[i]);
		if(x[i].count() == 0 and s[i] == '?')
			s[i] = '0';
	}
	for(int i = 1 ; i <= m ; i ++)if(s[i] == '?'){
		if(!chk(i))	
			s[i] = '1';
	}
	for(int i = 1 ; i <= m ; i ++)
		cout << s[i];
	return(0);
}

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct

Subtask #2
42.0 / 42.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 17 ms 1004 KB Output is correct
9 Correct 6 ms 876 KB Output is correct
10 Correct 12 ms 876 KB Output is correct
11 Correct 15 ms 1004 KB Output is correct
12 Correct 11 ms 876 KB Output is correct
13 Correct 10 ms 1004 KB Output is correct
14 Correct 17 ms 1004 KB Output is correct

Subtask #3
0 / 51.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 17 ms 1004 KB Output is correct
9 Correct 6 ms 876 KB Output is correct
10 Correct 12 ms 876 KB Output is correct
11 Correct 15 ms 1004 KB Output is correct
12 Correct 11 ms 876 KB Output is correct
13 Correct 10 ms 1004 KB Output is correct
14 Correct 17 ms 1004 KB Output is correct
15 Correct 464 ms 7788 KB Output is correct
16 Correct 3810 ms 9160 KB Output is correct
17 Correct 1569 ms 10896 KB Output is correct
18 Execution timed out 4053 ms 12652 KB Time limit exceeded
19 Halted 0 ms 0 KB -