Submission #821059

#	Time	Username	Problem	Language	Result	Execution time	Memory
821059		enerelt14	Coins (IOI17_coins)	C++14	100 / 100	9 ms	1548 KiB

coins

#include "coins.h"
#include <algorithm>
#include <array>
#include <bitset>
#include <cassert>
#include <chrono>
#include <climits>
#include <cmath>
#include <complex>
#include <cstring>
#include <functional>
#include <iomanip>
#include <iostream>
#include <map>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <vector>
using namespace std;

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

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

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