Submission #130645

#	Time	Username	Problem	Language	Result	Execution time	Memory
130645		Osama_Alkhodairy	Coins (IOI17_coins)	C++17	100 / 100	13 ms	1604 KiB

coins

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

std::vector<int> coin_flips(std::vector<int> b, int c) {
    int f = c;
    for(int i = 0 ; i < (int)b.size() ; i++){
        if(b[i]) f ^= i;
    }
    vector <int> ret = {f};
    return ret;
}

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

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