Submission #1134481

#	Time	Username	Problem	Language	Result	Execution time	Memory
1134481		Nurislam	COVID tests (CEOI24_covid)	C++17	0 / 100	1 ms	320 KiB

Main

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

#define int long long
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define ff first
#define ss second
#define pb push_back
template<class T, class U> inline bool chmin(T& a, const U& b) { if (a > b) { a = b; return true; } return false; }
template<class T, class U> inline bool chmax(T& a, const U& b) { if (a < b) { a = b; return true; } return false; }
//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
//#define rnd(l, r) uniform_int_distribution <int> (l, r)(rng)

const int inf = 1e10;
double P; int n;
void solve(bool sub1){
	if(sub1){
		
		
		string mask_str(n, '1');

		printf("Q %s\n", mask_str.c_str());
		fflush(stdout);

		char answer;
		scanf(" %c", &answer);
		
		if(answer == 'P'){
			printf("A %s\n", mask_str.c_str());
			fflush(stdout);
		}else{
			string mask_str(n, '0');
			printf("A %s\n", mask_str.c_str());
			fflush(stdout);
		}
	}else{
		
	}
}

signed main() {
    //ios_base::sync_with_stdio(false);
    //cin.tie(nullptr);cout.tie(nullptr);
    int tt = 1;
    cin >> tt >> P >> n;
    bool sub1 = (tt == 1);
    while(tt--){
        solve(sub1);
		 char verdict;
		scanf(" %c", &verdict);
		if (verdict == 'W')
			exit(0);
    };
}

Compilation message (stderr)

Main.cpp: In function 'void solve(bool)':
Main.cpp:27:22: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   27 |                 scanf(" %c", &answer);
      |                 ~~~~~^~~~~~~~~~~~~~~~
Main.cpp: In function 'int main()':
Main.cpp:51:22: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |                 scanf(" %c", &verdict);
      |                 ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 0: 0 / 0
• Subtask 1: 0 / 10
• Subtask 2: 0 / 90