Submission #598746

#	Time	Username	Problem	Language	Result	Execution time	Memory
598746		farhan132	Coins (IOI17_coins)	C++17	100 / 100	11 ms	1560 KiB

coins

#include "coins.h"
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef pair<ll , ll> ii;
 
#define ff first
#define ss second
#define pb push_back
#define in insert

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

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

• Subtask 1: 10 / 10
• Subtask 2: 15 / 15
• Subtask 3: 10 / 10
• Subtask 4: 15 / 15
• Subtask 5: 50 / 50