oj.uz

Submission #722424

# Submission time Handle Problem Language Result Execution time Memory
722424 2023-04-11T23:13:22 Z perohero The Big Prize (IOI17_prize) C++17
20 / 100
 1 ms 336 KB 
#include <bits/stdc++.h>
#include "prize.h"

using namespace std;

typedef long long ll;

int find_best(int N) {
    int l = 0, r = N - 1, sol;
    while (l <= r) {
        int mid = (l + r) / 2;
        vector <int> cnt = ask(mid);
        if (cnt[0] == 0 && cnt[1] == 0) {
            return mid;
        }
        if (cnt[0] < cnt[1]) {
            sol = mid;
            l = mid + 1;
        } else {
            r = mid - 1;
        }
    }
    return sol;
}

Compilation message

prize.cpp: In function 'int find_best(int)':
prize.cpp:9:27: warning: 'sol' may be used uninitialized in this function [-Wmaybe-uninitialized]
    9 |     int l = 0, r = N - 1, sol;
      |                           ^~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 292 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 0 ms 288 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct

Subtask #2
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 292 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 288 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 296 KB Output is correct
8 Correct 1 ms 296 KB Output is correct
9 Correct 1 ms 288 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Incorrect 1 ms 208 KB answer is not correct
12 Halted 0 ms 0 KB -