oj.uz

Submission #1075035

# Submission time Handle Problem Language Result Execution time Memory
1075035 2024-08-25T17:47:24 Z pawned COVID tests (CEOI24_covid) C++17
15.55 / 100
 2114 ms 596 KB 
#pragma GCC optimize("O1,O2,O3,Ofast,unroll-loops")

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

#define fi first
#define se second
#define pb push_back
typedef long long ll;
typedef pair<int, int> ii;
typedef vector<int> vi;

const char nl = '\n';

void fastIO() {
	ios::sync_with_stdio(false);
	cin.tie(0);
}

int N, T;
double P;

char query(vi v) {
	string s(N, '0');
	for (int x : v)
		s[x] = '1';
	cout<<"Q "<<s<<endl;
	cout.flush();
	char c;
	cin>>c;
	return c;
}

char query(int l, int r) {
	string s(N, '0');
	for (int i = l; i <= r; i++) {
		s[i] = '1';
	}
	cout<<"Q "<<s<<endl;
	cout.flush();
	char c;
	cin>>c;
	return c;
}

int main() {
	fastIO();
	cin>>N>>P>>T;
//	int len = min((int)(1.0 / P) + 1, N);
	int len = 50;
	for (int i = 0; i < T; i++) {
		string ans(N, '0');
		for (int j = 0; j < N; j += len) {
			int lp = j;
			int rp = min(j + len - 1, N - 1);
			if (query(lp, rp) == 'N')
				continue;
			if (lp == rp) {
				ans[lp] = '1';
				continue;
			}
			for (int k = lp; k <= rp; k++) {
				vi v;
				v.pb(k);
				char c = query(v);
				if (c == 'P')
					ans[k] = '1';
			}
		}
//		cout<<"ANSWER: ";
		cout<<"A "<<ans<<endl;
		cout.flush();
		char c;
		cin>>c;
		if (c == 'W')
			break;
	}
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 344 KB Output is correct
2 Correct 5 ms 344 KB Output is correct
3 Correct 5 ms 344 KB Output is correct
4 Correct 4 ms 344 KB Output is correct
5 Correct 4 ms 344 KB Output is correct
6 Correct 5 ms 344 KB Output is correct
7 Correct 5 ms 344 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 6 ms 344 KB Output is correct
10 Correct 5 ms 344 KB Output is correct
11 Correct 4 ms 344 KB Output is correct
12 Correct 5 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 6 ms 344 KB Output is correct
15 Correct 6 ms 344 KB Output is correct
16 Correct 5 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct

Subtask #2
5.550000003 / 90.0

# Verdict Execution time Memory Grader output
1 Correct 129 ms 348 KB Output is correct (P=0.001, F=15.1, Q=65.0) -> 6.33 points
2 Correct 460 ms 352 KB Output is correct (P=0.005256, F=51.1, Q=245.5) -> 5.55 points
3 Correct 836 ms 344 KB Output is correct (P=0.011546, F=94.9, Q=454.8) -> 5.57 points
4 Correct 1446 ms 344 KB Output is correct (P=0.028545, F=191.5, Q=786.5) -> 6.70 points
5 Correct 1687 ms 344 KB Output is correct (P=0.039856, F=246.3, Q=889.1) -> 7.87 points
6 Correct 1951 ms 596 KB Output is correct (P=0.068648, F=366.2, Q=992.8) -> 11.47 points
7 Correct 2058 ms 344 KB Output is correct (P=0.104571, F=490.3, Q=1016.1) -> 17.01 points
8 Correct 2009 ms 344 KB Output is correct (P=0.158765, F=639.1, Q=1020.0) -> 26.60 points
9 Correct 2114 ms 344 KB Output is correct (P=0.2, F=731.4, Q=1020.0) -> 34.91 points