Submission #969956

#	Time	Username	Problem	Language	Result	Execution time	Memory
969956		irmuun	Coins (IOI17_coins)	C++17	100 / 100	9 ms	1948 KiB

coins

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

using namespace std;

#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

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

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