oj.uz

Submission #1085969

# Submission time Handle Problem Language Result Execution time Memory
1085969 2024-09-09T08:17:07 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(1);
  int ans = solve(n, 1, 0);
  cout << "= " << ans;
}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 344 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #2
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 344 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 344 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #4
0 / 24.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 344 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #5
0 / 33.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 344 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -