oj.uz

Submission #1085968

# Submission time Handle Problem Language Result Execution time Memory
1085968 2024-09-09T08:04:26 Z not_amir Colors (BOI20_colors) C++14
0 / 100
 0 ms 344 KB 
#include <bits/stdc++.h>
using namespace std;

int ask(int q){
    cout << "? " << q << endl;
    int ans;
    cin >> ans;
    return ans;
}

int solve(int n, int c, int add){
  if(n == 1)
    return 1 + add;
  int diff = n/2 + add;
  int q = (c - diff > 0)?c-diff:c+diff;
  if(ask(q))
    return solve(n/2, q, add);
  else
    return solve(n/2, q, add + n/2);
}

int main(){
//   ios_base::sync_with_stdio(false);
//   cin.tie(NULL);
  int n;
  cin >> n;
  ask(n/3);
  int ans = solve(n, n/3, 0);
  cout << "= " << ans;
}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB OK (3 queries)
2 Incorrect 0 ms 344 KB Wrong guess
3 Halted 0 ms 0 KB -

Subtask #2
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB OK (3 queries)
2 Incorrect 0 ms 344 KB Wrong guess
3 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB OK (3 queries)
2 Incorrect 0 ms 344 KB Wrong guess
3 Halted 0 ms 0 KB -

Subtask #4
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB OK (3 queries)
2 Incorrect 0 ms 344 KB Wrong guess
3 Halted 0 ms 0 KB -

Subtask #5
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB OK (3 queries)
2 Incorrect 0 ms 344 KB Wrong guess
3 Halted 0 ms 0 KB -