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Submission #1003912

# Submission time Handle Problem Language Result Execution time Memory
1003912 2024-06-20T19:51:25 Z vjudge1 Zagrade (COI20_zagrade) C++17
0 / 100
 1 ms 1112 KB 
#include <bits/stdc++.h>

using namespace std;

vector<int> v;
stack<int> st;

int main(){
	int n,q; cin>>n>>q;
	v.resize(n+5);
	st.push(1); v[1] = 1;

	for(int i = 2; i <= n; i++){
		cout<<"? "<<st.top()<<" "<<i<<"\n"<<flush;
		int x; cin>>x;
		if(x == 0){
			v[i] = 1;
			st.push(i);
		}else{
			v[i] = 0;
			st.pop();
		}
	}

	cout<<"! ";
	for(int i = 1; i <= n; i++){
		if(v[i] == 0)cout<<")";
		else cout<<"(";
	}cout<<"\n"<<flush;

	return 0;
}

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Runtime error 0 ms 344 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Mismatch at position 1. Expected ), found (
2 Halted 0 ms 0 KB -

Subtask #3
0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Runtime error 1 ms 1112 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #4
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Mismatch at position 1. Expected ), found (
2 Halted 0 ms 0 KB -