Submission #918536

#	Time	Username	Problem	Language	Result	Execution time	Memory
918536		vjudge1	Coins (IOI17_coins)	C++17	100 / 100	8 ms	1952 KiB

coins

#include <bits/stdc++.h>
#include "coins.h"
using namespace std; 
vector<int> coin_flips(vector<int> b, int c) {
    vector<int> flips(1);
    for(int i=0;i<64;i++){
        if(b[i]){
            c^=i;
        }
    }
    flips[0]=c; 
    return flips;
}

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

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