oj.uz

Submission #918541

# Submission time Handle Problem Language Result Execution time Memory
918541 2024-01-30T06:20:37 Z vjudge1 Coins (IOI17_coins) C++17
100 / 100
 11 ms 1736 KB 
#include "coins.h"

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

}

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

Compilation message

coins.cpp: In function 'std::vector<int> coin_flips(std::vector<int>, int)':
coins.cpp:5:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    5 |   for(int i = 0;i<b.size();i++)
      |                 ~^~~~~~~~~
coins.cpp: In function 'int find_coin(std::vector<int>)':
coins.cpp:13:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     for(int i = 0;i<b.size();i++)
      |                   ~^~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 1276 KB Output is correct
2 Correct 7 ms 1356 KB Output is correct
3 Correct 7 ms 1364 KB Output is correct
4 Correct 7 ms 1364 KB Output is correct
5 Correct 6 ms 1364 KB Output is correct
6 Correct 6 ms 1360 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 1276 KB Output is correct
2 Correct 7 ms 1356 KB Output is correct
3 Correct 7 ms 1364 KB Output is correct
4 Correct 7 ms 1364 KB Output is correct
5 Correct 6 ms 1364 KB Output is correct
6 Correct 6 ms 1360 KB Output is correct
7 Correct 7 ms 1356 KB Output is correct
8 Correct 7 ms 1356 KB Output is correct
9 Correct 7 ms 1356 KB Output is correct
10 Correct 8 ms 1736 KB Output is correct
11 Correct 7 ms 1352 KB Output is correct
12 Correct 6 ms 1352 KB Output is correct
13 Correct 7 ms 1364 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 1364 KB Output is correct
2 Correct 7 ms 1360 KB Output is correct
3 Correct 7 ms 1364 KB Output is correct
4 Correct 7 ms 1356 KB Output is correct
5 Correct 7 ms 1332 KB Output is correct
6 Correct 7 ms 1364 KB Output is correct
7 Correct 6 ms 1356 KB Output is correct
8 Correct 7 ms 1364 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1360 KB Output is correct
2 Correct 6 ms 1364 KB Output is correct
3 Correct 7 ms 1364 KB Output is correct
4 Correct 7 ms 1352 KB Output is correct
5 Correct 8 ms 1352 KB Output is correct
6 Correct 7 ms 1364 KB Output is correct

Subtask #5
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 1276 KB Output is correct
2 Correct 7 ms 1356 KB Output is correct
3 Correct 7 ms 1364 KB Output is correct
4 Correct 7 ms 1364 KB Output is correct
5 Correct 6 ms 1364 KB Output is correct
6 Correct 6 ms 1360 KB Output is correct
7 Correct 7 ms 1356 KB Output is correct
8 Correct 7 ms 1356 KB Output is correct
9 Correct 7 ms 1356 KB Output is correct
10 Correct 8 ms 1736 KB Output is correct
11 Correct 7 ms 1352 KB Output is correct
12 Correct 6 ms 1352 KB Output is correct
13 Correct 7 ms 1364 KB Output is correct
14 Correct 7 ms 1356 KB Output is correct
15 Correct 7 ms 1352 KB Output is correct
16 Correct 7 ms 1560 KB Output is correct
17 Correct 7 ms 1332 KB Output is correct
18 Correct 7 ms 1356 KB Output is correct
19 Correct 7 ms 1360 KB Output is correct
20 Correct 7 ms 1356 KB Output is correct
21 Correct 7 ms 1608 KB Output is correct
22 Correct 6 ms 1356 KB Output is correct
23 Correct 7 ms 1360 KB Output is correct
24 Correct 7 ms 1360 KB Output is correct
25 Correct 6 ms 1364 KB Output is correct