Submission #1236245

#	Time	Username	Problem	Language	Result	Execution time	Memory
1236245		Dpika	Coins (IOI17_coins)	C++20	100 / 100	8 ms	584 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 a=0;
    for(int i=0;i<64;i++){
        if(b[i]==0){
            a=a^i;
        }
    }
    flips[0]=a^c;
    return flips;
}
int find_coin(vector<int> b) {
    int xd=0;
    for(int i=0;i<64;i++){
        if(b[i]==0){
            xd=xd^i;
        }
    }
    return xd;
}

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