oj.uz

Submission #958342

# Submission time Handle Problem Language Result Execution time Memory
958342 2024-04-05T12:53:30 Z kilkuwu Coins (IOI17_coins) C++17
100 / 100
 8 ms 1996 KB 
#include "coins.h"

std::vector<int> coin_flips(std::vector<int> b, int c) {
  int xor_sum = 0;
  int n = b.size();
  for (int i = 0; i < n; i++) {
    if (b[i]) xor_sum ^= i;
  }

  int flip = c ^ xor_sum;
  return {flip};
}

int find_coin(std::vector<int> b) {
  int xor_sum = 0;
  int n = b.size();
  for (int i = 0; i < n; i++) {
    if (b[i]) xor_sum ^= i;
  }
  return xor_sum;
}

Subtask #1
10.0 / 10.0

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

Subtask #2
15.0 / 15.0

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

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1680 KB Output is correct
2 Correct 6 ms 1700 KB Output is correct
3 Correct 6 ms 1688 KB Output is correct
4 Correct 6 ms 1696 KB Output is correct
5 Correct 6 ms 1688 KB Output is correct
6 Correct 6 ms 1696 KB Output is correct
7 Correct 6 ms 1692 KB Output is correct
8 Correct 6 ms 1688 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1684 KB Output is correct
2 Correct 6 ms 1680 KB Output is correct
3 Correct 8 ms 1680 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 1684 KB Output is correct

Subtask #5
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1696 KB Output is correct
2 Correct 6 ms 1692 KB Output is correct
3 Correct 6 ms 1688 KB Output is correct
4 Correct 6 ms 1684 KB Output is correct
5 Correct 6 ms 1684 KB Output is correct
6 Correct 6 ms 1692 KB Output is correct
7 Correct 6 ms 1696 KB Output is correct
8 Correct 6 ms 1696 KB Output is correct
9 Correct 6 ms 1684 KB Output is correct
10 Correct 6 ms 1688 KB Output is correct
11 Correct 6 ms 1688 KB Output is correct
12 Correct 6 ms 1696 KB Output is correct
13 Correct 6 ms 1696 KB Output is correct
14 Correct 6 ms 1696 KB Output is correct
15 Correct 7 ms 1644 KB Output is correct
16 Correct 6 ms 1700 KB Output is correct
17 Correct 6 ms 1692 KB Output is correct
18 Correct 6 ms 1696 KB Output is correct
19 Correct 6 ms 1688 KB Output is correct
20 Correct 7 ms 1688 KB Output is correct
21 Correct 6 ms 1696 KB Output is correct
22 Correct 6 ms 1692 KB Output is correct
23 Correct 6 ms 1696 KB Output is correct
24 Correct 6 ms 1996 KB Output is correct
25 Correct 7 ms 1688 KB Output is correct