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Submission #894752

# Submission time Handle Problem Language Result Execution time Memory
894752 2023-12-28T21:40:05 Z ___ Guess the number (BOI20_guess) C++14
0 / 100
 1 ms 600 KB 
#include <bits/stdc++.h>

using namespace std;

int main() 
{
	ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
	int n;
	cin>>n;
	int l=0,r=n;
	while(1)
	{
		long int m=(r+l)/2,x;
		cout<<"? "<<m<<endl;
		cin>>x;
		if(x==1)
		{
			r=m;
		}
		else if(x==0)
		{
			cout<<"= "<<m;
			break;
		}
		else
		{
			l=m;
		}
	}
	return 0;
}

Subtask #1
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 600 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Runtime error 0 ms 456 KB Execution killed with signal 13
21 Halted 0 ms 0 KB -

Subtask #2
0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 600 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Runtime error 0 ms 456 KB Execution killed with signal 13
21 Halted 0 ms 0 KB -