oj.uz

Submission #502230

# Submission time Handle Problem Language Result Execution time Memory
502230 2022-01-05T14:46:45 Z srivatsav_kannan Colors (BOI20_colors) C++14
0 / 100
 1 ms 200 KB 
#include <iostream>
#include <fstream>
#include <vector>
#include <set>
#include <queue>
#include <cmath>
#include <map>
#include <algorithm>
#include <unordered_map>
using namespace std;
#define int long long int
signed main() {
    int n; cin >> n;
    int l = 1, r = n;
    int prev = 1;
    cout << "? 1" << endl;
    int cur; cin >> cur;
    cout << "= " << prev << endl;
//    while (l <= r){
//        int mid = (l+r)/2;
//        if (l == r-1) mid = r;
//        cout << "? " << prev+mid << endl;
//        cin >> cur;
//        prev += mid;
//        if (cur){
//            if  (l == r){
//                cout << "= " << l << endl;
//                break;
//            }
//            l = mid;
//        } else {
//            r = mid-1;
//        }
//    }
    return 0;
}

Compilation message

Colors.cpp: In function 'int main()':
Colors.cpp:14:9: warning: unused variable 'l' [-Wunused-variable]
   14 |     int l = 1, r = n;
      |         ^
Colors.cpp:14:16: warning: unused variable 'r' [-Wunused-variable]
   14 |     int l = 1, r = n;
      |                ^

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Wrong guess
2 Halted 0 ms 0 KB -

Subtask #2
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Wrong guess
2 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Wrong guess
2 Halted 0 ms 0 KB -

Subtask #4
0 / 24.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Wrong guess
2 Halted 0 ms 0 KB -

Subtask #5
0 / 33.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Wrong guess
2 Halted 0 ms 0 KB -