oj.uz

Submission #779680

# Submission time Handle Problem Language Result Execution time Memory
779680 2023-07-11T16:08:40 Z kirakaminski968 Coins (IOI17_coins) C++17
100 / 100
 6 ms 1572 KB 
#include "coins.h"
#include <bits/stdc++.h>
using namespace std; 
vector<int> coin_flips(vector<int> b, int c) {
	std::vector<int> flips(1);
	int res = c; 
	for(int i = 0;i<b.size();++i) res ^= b[i]*i; 
	flips[0] = res; 
	return flips;
}

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

Compilation message

coins.cpp: In function 'std::vector<int> coin_flips(std::vector<int>, int)':
coins.cpp:7:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |  for(int i = 0;i<b.size();++i) res ^= b[i]*i;
      |                ~^~~~~~~~~
coins.cpp: In function 'int find_coin(std::vector<int>)':
coins.cpp:14:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |     for(int i = 0;i<b.size();++i) ans ^= b[i]*i;
      |                   ~^~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1540 KB Output is correct
2 Correct 6 ms 1384 KB Output is correct
3 Correct 6 ms 1412 KB Output is correct
4 Correct 6 ms 1412 KB Output is correct
5 Correct 6 ms 1364 KB Output is correct
6 Correct 6 ms 1552 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1540 KB Output is correct
2 Correct 6 ms 1384 KB Output is correct
3 Correct 6 ms 1412 KB Output is correct
4 Correct 6 ms 1412 KB Output is correct
5 Correct 6 ms 1364 KB Output is correct
6 Correct 6 ms 1552 KB Output is correct
7 Correct 6 ms 1404 KB Output is correct
8 Correct 6 ms 1524 KB Output is correct
9 Correct 6 ms 1540 KB Output is correct
10 Correct 6 ms 1572 KB Output is correct
11 Correct 6 ms 1504 KB Output is correct
12 Correct 6 ms 1412 KB Output is correct
13 Correct 6 ms 1412 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1400 KB Output is correct
2 Correct 6 ms 1544 KB Output is correct
3 Correct 6 ms 1388 KB Output is correct
4 Correct 6 ms 1396 KB Output is correct
5 Correct 6 ms 1412 KB Output is correct
6 Correct 6 ms 1556 KB Output is correct
7 Correct 6 ms 1412 KB Output is correct
8 Correct 6 ms 1560 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1416 KB Output is correct
2 Correct 6 ms 1544 KB Output is correct
3 Correct 6 ms 1544 KB Output is correct
4 Correct 6 ms 1540 KB Output is correct
5 Correct 6 ms 1396 KB Output is correct
6 Correct 6 ms 1412 KB Output is correct

Subtask #5
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1540 KB Output is correct
2 Correct 6 ms 1384 KB Output is correct
3 Correct 6 ms 1412 KB Output is correct
4 Correct 6 ms 1412 KB Output is correct
5 Correct 6 ms 1364 KB Output is correct
6 Correct 6 ms 1552 KB Output is correct
7 Correct 6 ms 1404 KB Output is correct
8 Correct 6 ms 1524 KB Output is correct
9 Correct 6 ms 1540 KB Output is correct
10 Correct 6 ms 1572 KB Output is correct
11 Correct 6 ms 1504 KB Output is correct
12 Correct 6 ms 1412 KB Output is correct
13 Correct 6 ms 1412 KB Output is correct
14 Correct 6 ms 1420 KB Output is correct
15 Correct 6 ms 1512 KB Output is correct
16 Correct 6 ms 1544 KB Output is correct
17 Correct 6 ms 1424 KB Output is correct
18 Correct 6 ms 1540 KB Output is correct
19 Correct 6 ms 1424 KB Output is correct
20 Correct 6 ms 1532 KB Output is correct
21 Correct 6 ms 1552 KB Output is correct
22 Correct 6 ms 1424 KB Output is correct
23 Correct 6 ms 1552 KB Output is correct
24 Correct 6 ms 1396 KB Output is correct
25 Correct 6 ms 1540 KB Output is correct