Submission #829555

#	Time	Username	Problem	Language	Result	Execution time	Memory
829555		FEDIKUS	Coins (IOI17_coins)	C++17	100 / 100	7 ms	1552 KiB

coins

#include "coins.h"
#include<bits/stdc++.h>

using namespace std;

vector<int> coin_flips(vector<int> b, int c){
    vector<int> flips(1);
    int sta=0;
    for(int i=0;i<int(b.size());i++){
        if(b[i]==0) sta^=i;
    }
    sta^=c;
    flips[0]=sta;
    return flips;
}

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

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