Submission #767189

#	Time	Username	Problem	Language	Result	Execution time	Memory
767189		aaron_dcoder	Coins (IOI17_coins)	C++17	100 / 100	7 ms	1556 KiB

coins

#include "coins.h"


#include <bits/stdc++.h>
using namespace std;

#define dbg(TXTMSG) cerr << "\n" << TXTMSG
#define dbgv(VARN) cerr << "\n" << #VARN << " = "<<VARN << ", line: " << __LINE__ << "\n"
using ll = long long; 


vector<int> coin_flips(vector<int> b, int c) {
    int totxor = 0;
    for (int i = 0; i < 64; i++)
    {
        if (b[i] == 1) {
            totxor ^= i;
        }
    }
    vector<int> outp = {totxor^c,};
    return outp;
}

int find_coin(vector<int> b) {
    int totxor = 0;
    for (int i = 0; i < 64; i++)
    {
        if (b[i] == 1) {
            totxor ^= i;
        }
    }
    return totxor;
}

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