oj.uz

Submission #713198

# Submission time Handle Problem Language Result Execution time Memory
713198 2023-03-21T09:51:24 Z Aaryan1378 Colors (BOI20_colors) C++14
0 / 100
 0 ms 208 KB 
#include <bits/stdc++.h>

using namespace std;

void solve(long long int left, long long int right) {
  if(left >= right) {
    cout << "=" << " " << left << endl;
    return;
  }
  long long int mid = (left + right + 1) / 2;
  cout << "?" << " " << mid << endl;
  long long int ans;
  cin >> ans;
  if(ans == 1) {
    solve(left, mid);
  } else {
    solve(mid + 1, right);
  }
}

int main() {
  //your code goes here
  long long int n;
  cin >> n;
  solve(1, n);
  return 0;
}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB OK (2 queries)
2 Incorrect 0 ms 208 KB Hair color 25 was used multiple times
3 Halted 0 ms 0 KB -

Subtask #2
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB OK (2 queries)
2 Incorrect 0 ms 208 KB Hair color 25 was used multiple times
3 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB OK (2 queries)
2 Incorrect 0 ms 208 KB Hair color 25 was used multiple times
3 Halted 0 ms 0 KB -

Subtask #4
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB OK (2 queries)
2 Incorrect 0 ms 208 KB Hair color 25 was used multiple times
3 Halted 0 ms 0 KB -

Subtask #5
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB OK (2 queries)
2 Incorrect 0 ms 208 KB Hair color 25 was used multiple times
3 Halted 0 ms 0 KB -