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Submission #114554

# Submission time Handle Problem Language Result Execution time Memory
114554 2019-06-01T17:49:33 Z SpeedOfMagic Coins (IOI17_coins) C++17
100 / 100
 13 ms 1676 KB 
#include "coins.h"

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

int find_coin(std::vector<int> b) {
  int r = 0;
  for (int i = 0; i < 64; i++)
    r ^= b[i] * i;
  return r;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 1468 KB Output is correct
2 Correct 12 ms 1464 KB Output is correct
3 Correct 11 ms 1328 KB Output is correct
4 Correct 12 ms 1472 KB Output is correct
5 Correct 11 ms 1328 KB Output is correct
6 Correct 11 ms 1472 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 1468 KB Output is correct
2 Correct 12 ms 1464 KB Output is correct
3 Correct 11 ms 1328 KB Output is correct
4 Correct 12 ms 1472 KB Output is correct
5 Correct 11 ms 1328 KB Output is correct
6 Correct 11 ms 1472 KB Output is correct
7 Correct 12 ms 1456 KB Output is correct
8 Correct 11 ms 1500 KB Output is correct
9 Correct 12 ms 1676 KB Output is correct
10 Correct 12 ms 1336 KB Output is correct
11 Correct 12 ms 1328 KB Output is correct
12 Correct 11 ms 1352 KB Output is correct
13 Correct 11 ms 1512 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 1456 KB Output is correct
2 Correct 12 ms 1456 KB Output is correct
3 Correct 12 ms 1612 KB Output is correct
4 Correct 12 ms 1588 KB Output is correct
5 Correct 12 ms 1464 KB Output is correct
6 Correct 12 ms 1468 KB Output is correct
7 Correct 11 ms 1456 KB Output is correct
8 Correct 11 ms 1456 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 1464 KB Output is correct
2 Correct 11 ms 1464 KB Output is correct
3 Correct 11 ms 1468 KB Output is correct
4 Correct 12 ms 1468 KB Output is correct
5 Correct 12 ms 1500 KB Output is correct
6 Correct 12 ms 1468 KB Output is correct

Subtask #5
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 1468 KB Output is correct
2 Correct 12 ms 1464 KB Output is correct
3 Correct 11 ms 1328 KB Output is correct
4 Correct 12 ms 1472 KB Output is correct
5 Correct 11 ms 1328 KB Output is correct
6 Correct 11 ms 1472 KB Output is correct
7 Correct 12 ms 1456 KB Output is correct
8 Correct 11 ms 1500 KB Output is correct
9 Correct 12 ms 1676 KB Output is correct
10 Correct 12 ms 1336 KB Output is correct
11 Correct 12 ms 1328 KB Output is correct
12 Correct 11 ms 1352 KB Output is correct
13 Correct 11 ms 1512 KB Output is correct
14 Correct 12 ms 1456 KB Output is correct
15 Correct 12 ms 1328 KB Output is correct
16 Correct 12 ms 1328 KB Output is correct
17 Correct 12 ms 1328 KB Output is correct
18 Correct 13 ms 1328 KB Output is correct
19 Correct 12 ms 1456 KB Output is correct
20 Correct 11 ms 1504 KB Output is correct
21 Correct 11 ms 1468 KB Output is correct
22 Correct 11 ms 1492 KB Output is correct
23 Correct 12 ms 1464 KB Output is correct
24 Correct 11 ms 1332 KB Output is correct
25 Correct 12 ms 1456 KB Output is correct