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Submission #787814

# Submission time Handle Problem Language Result Execution time Memory
787814 2023-07-19T12:56:24 Z borisAngelov Coins (IOI17_coins) C++17
100 / 100
 8 ms 1552 KB 
#include "coins.h"
#include <bits/stdc++.h>

using namespace std;

vector<int> coin_flips(vector<int> b, int c)
{
    vector<int> result(1);

    int curr = c;

    for (int i = 0; i < b.size(); ++i)
    {
        if (b[i] != 0)
        {
            curr = (curr ^ i);
        }
    }

    result[0] = curr;
    return result;
}

int find_coin(vector<int> b)
{
    int ans = 0;

    for (int i = 0; i < b.size(); ++i)
    {
        if (b[i] != 0)
        {
            ans = (ans ^ i);
        }
    }

    return ans;
}

Compilation message

coins.cpp: In function 'std::vector<int> coin_flips(std::vector<int>, int)':
coins.cpp:12:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |     for (int i = 0; i < b.size(); ++i)
      |                     ~~^~~~~~~~~~
coins.cpp: In function 'int find_coin(std::vector<int>)':
coins.cpp:28:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |     for (int i = 0; i < b.size(); ++i)
      |                     ~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1356 KB Output is correct
2 Correct 7 ms 1348 KB Output is correct
3 Correct 7 ms 1544 KB Output is correct
4 Correct 8 ms 1496 KB Output is correct
5 Correct 6 ms 1464 KB Output is correct
6 Correct 6 ms 1392 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1356 KB Output is correct
2 Correct 7 ms 1348 KB Output is correct
3 Correct 7 ms 1544 KB Output is correct
4 Correct 8 ms 1496 KB Output is correct
5 Correct 6 ms 1464 KB Output is correct
6 Correct 6 ms 1392 KB Output is correct
7 Correct 6 ms 1424 KB Output is correct
8 Correct 6 ms 1412 KB Output is correct
9 Correct 6 ms 1412 KB Output is correct
10 Correct 6 ms 1416 KB Output is correct
11 Correct 7 ms 1552 KB Output is correct
12 Correct 6 ms 1424 KB Output is correct
13 Correct 6 ms 1388 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 1388 KB Output is correct
2 Correct 6 ms 1468 KB Output is correct
3 Correct 6 ms 1420 KB Output is correct
4 Correct 6 ms 1424 KB Output is correct
5 Correct 6 ms 1412 KB Output is correct
6 Correct 6 ms 1412 KB Output is correct
7 Correct 6 ms 1412 KB Output is correct
8 Correct 6 ms 1424 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1208 KB Output is correct
2 Correct 8 ms 1516 KB Output is correct
3 Correct 6 ms 1548 KB Output is correct
4 Correct 7 ms 1388 KB Output is correct
5 Correct 7 ms 1412 KB Output is correct
6 Correct 6 ms 1464 KB Output is correct

Subtask #5
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1356 KB Output is correct
2 Correct 7 ms 1348 KB Output is correct
3 Correct 7 ms 1544 KB Output is correct
4 Correct 8 ms 1496 KB Output is correct
5 Correct 6 ms 1464 KB Output is correct
6 Correct 6 ms 1392 KB Output is correct
7 Correct 6 ms 1424 KB Output is correct
8 Correct 6 ms 1412 KB Output is correct
9 Correct 6 ms 1412 KB Output is correct
10 Correct 6 ms 1416 KB Output is correct
11 Correct 7 ms 1552 KB Output is correct
12 Correct 6 ms 1424 KB Output is correct
13 Correct 6 ms 1388 KB Output is correct
14 Correct 7 ms 1420 KB Output is correct
15 Correct 8 ms 1376 KB Output is correct
16 Correct 6 ms 1424 KB Output is correct
17 Correct 6 ms 1420 KB Output is correct
18 Correct 6 ms 1516 KB Output is correct
19 Correct 6 ms 1552 KB Output is correct
20 Correct 8 ms 1412 KB Output is correct
21 Correct 6 ms 1400 KB Output is correct
22 Correct 5 ms 1416 KB Output is correct
23 Correct 6 ms 1520 KB Output is correct
24 Correct 6 ms 1480 KB Output is correct
25 Correct 6 ms 1544 KB Output is correct