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Submission #956251

# Submission time Handle Problem Language Result Execution time Memory
956251 2024-04-01T12:07:20 Z MuntherCarrot Coins (IOI17_coins) C++14
100 / 100
 9 ms 1700 KB 
#include <bits/stdc++.h>
#include "coins.h"

using namespace std;

vector<int> coin_flips(vector<int> b, int c){
    int x = 0;
    for(int i = 0; i < 64; i++){
        if(b[i]) x ^= i;
    }
    return {c ^ x};
}

int find_coin(vector<int> b){
    int ans = 0;
    for(int i = 0; i < 64; i++){
        if(b[i]) ans ^= i;
    }
    return ans;
}

// by me

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1684 KB Output is correct
2 Correct 6 ms 1688 KB Output is correct
3 Correct 6 ms 1688 KB Output is correct
4 Correct 6 ms 1688 KB Output is correct
5 Correct 6 ms 1696 KB Output is correct
6 Correct 6 ms 1696 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1684 KB Output is correct
2 Correct 6 ms 1688 KB Output is correct
3 Correct 6 ms 1688 KB Output is correct
4 Correct 6 ms 1688 KB Output is correct
5 Correct 6 ms 1696 KB Output is correct
6 Correct 6 ms 1696 KB Output is correct
7 Correct 7 ms 1696 KB Output is correct
8 Correct 6 ms 1692 KB Output is correct
9 Correct 6 ms 1688 KB Output is correct
10 Correct 6 ms 1696 KB Output is correct
11 Correct 9 ms 1688 KB Output is correct
12 Correct 6 ms 1684 KB Output is correct
13 Correct 6 ms 1692 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1688 KB Output is correct
2 Correct 9 ms 1692 KB Output is correct
3 Correct 6 ms 1684 KB Output is correct
4 Correct 6 ms 1688 KB Output is correct
5 Correct 8 ms 1692 KB Output is correct
6 Correct 6 ms 1428 KB Output is correct
7 Correct 6 ms 1696 KB Output is correct
8 Correct 6 ms 1684 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1340 KB Output is correct
2 Correct 8 ms 1688 KB Output is correct
3 Correct 6 ms 1688 KB Output is correct
4 Correct 6 ms 1688 KB Output is correct
5 Correct 7 ms 1684 KB Output is correct
6 Correct 6 ms 1688 KB Output is correct

Subtask #5
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1684 KB Output is correct
2 Correct 6 ms 1688 KB Output is correct
3 Correct 6 ms 1688 KB Output is correct
4 Correct 6 ms 1688 KB Output is correct
5 Correct 6 ms 1696 KB Output is correct
6 Correct 6 ms 1696 KB Output is correct
7 Correct 7 ms 1696 KB Output is correct
8 Correct 6 ms 1692 KB Output is correct
9 Correct 6 ms 1688 KB Output is correct
10 Correct 6 ms 1696 KB Output is correct
11 Correct 9 ms 1688 KB Output is correct
12 Correct 6 ms 1684 KB Output is correct
13 Correct 6 ms 1692 KB Output is correct
14 Correct 6 ms 1696 KB Output is correct
15 Correct 6 ms 1696 KB Output is correct
16 Correct 6 ms 1696 KB Output is correct
17 Correct 6 ms 1688 KB Output is correct
18 Correct 8 ms 1688 KB Output is correct
19 Correct 6 ms 1692 KB Output is correct
20 Correct 6 ms 1696 KB Output is correct
21 Correct 6 ms 1696 KB Output is correct
22 Correct 6 ms 1688 KB Output is correct
23 Correct 7 ms 1688 KB Output is correct
24 Correct 6 ms 1696 KB Output is correct
25 Correct 6 ms 1700 KB Output is correct