Submission #1096629

#	Time	Username	Problem	Language	Result	Execution time	Memory
1096629		sofpp	Coins (IOI17_coins)	C++14	100 / 100	7 ms	1824 KiB

coins

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

vector<int> coin_flips(vector<int> b, int c) {
    vector<int> flips;
    int txor=0;
    for(int i=0;i<64;i++){
        if(b[i]){
            txor^=i;
        }
    }
    flips.push_back(c^txor);
    return flips;
}

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

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