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Submission #918556

# Submission time Handle Problem Language Result Execution time Memory
918556 2024-01-30T06:37:57 Z vjudge1 Coins (IOI17_coins) C++17
100 / 100
 9 ms 1860 KB 
#include<bits/stdc++.h>
#include "coins.h"
#define ll int
using namespace std;
vector<int> coin_flips(vector<int> b, int c) {
    ll x = 0, i, j;
    for(i = 0; i<64; i++){
        if(b[i]){
            x ^= i;
        }
    }
    x ^= c;
    vector<int> flips(1);
    flips[0] = x;
    return flips;
}

int find_coin(vector<int> b) {
    ll x = 0, i;
    for(i = 0; i<64; i++){
        if(b[i]){
            x ^= i;
        }
    }
    return x;
}

Compilation message

coins.cpp: In function 'std::vector<int> coin_flips(std::vector<int>, int)':
coins.cpp:6:18: warning: unused variable 'j' [-Wunused-variable]
    6 |     ll x = 0, i, j;
      |                  ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1360 KB Output is correct
2 Correct 9 ms 1356 KB Output is correct
3 Correct 7 ms 1432 KB Output is correct
4 Correct 7 ms 1356 KB Output is correct
5 Correct 6 ms 1364 KB Output is correct
6 Correct 9 ms 1352 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1360 KB Output is correct
2 Correct 9 ms 1356 KB Output is correct
3 Correct 7 ms 1432 KB Output is correct
4 Correct 7 ms 1356 KB Output is correct
5 Correct 6 ms 1364 KB Output is correct
6 Correct 9 ms 1352 KB Output is correct
7 Correct 7 ms 1352 KB Output is correct
8 Correct 7 ms 1356 KB Output is correct
9 Correct 8 ms 1356 KB Output is correct
10 Correct 7 ms 1616 KB Output is correct
11 Correct 7 ms 1364 KB Output is correct
12 Correct 6 ms 1356 KB Output is correct
13 Correct 6 ms 1356 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 1356 KB Output is correct
3 Correct 7 ms 1360 KB Output is correct
4 Correct 7 ms 1364 KB Output is correct
5 Correct 7 ms 1356 KB Output is correct
6 Correct 9 ms 1532 KB Output is correct
7 Correct 7 ms 1356 KB Output is correct
8 Correct 7 ms 1356 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 7 ms 1484 KB Output is correct
3 Correct 8 ms 1364 KB Output is correct
4 Correct 7 ms 1364 KB Output is correct
5 Correct 7 ms 1352 KB Output is correct
6 Correct 7 ms 1352 KB Output is correct

Subtask #5
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1360 KB Output is correct
2 Correct 9 ms 1356 KB Output is correct
3 Correct 7 ms 1432 KB Output is correct
4 Correct 7 ms 1356 KB Output is correct
5 Correct 6 ms 1364 KB Output is correct
6 Correct 9 ms 1352 KB Output is correct
7 Correct 7 ms 1352 KB Output is correct
8 Correct 7 ms 1356 KB Output is correct
9 Correct 8 ms 1356 KB Output is correct
10 Correct 7 ms 1616 KB Output is correct
11 Correct 7 ms 1364 KB Output is correct
12 Correct 6 ms 1356 KB Output is correct
13 Correct 6 ms 1356 KB Output is correct
14 Correct 7 ms 1476 KB Output is correct
15 Correct 7 ms 1356 KB Output is correct
16 Correct 7 ms 1860 KB Output is correct
17 Correct 7 ms 1356 KB Output is correct
18 Correct 7 ms 1364 KB Output is correct
19 Correct 8 ms 1360 KB Output is correct
20 Correct 9 ms 1356 KB Output is correct
21 Correct 7 ms 1356 KB Output is correct
22 Correct 6 ms 1360 KB Output is correct
23 Correct 7 ms 1356 KB Output is correct
24 Correct 6 ms 1364 KB Output is correct
25 Correct 6 ms 1356 KB Output is correct