Submission #1219150

#	Time	Username	Problem	Language	Result	Execution time	Memory
1219150		nataliaa	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> v1;
    int x = 0;
    for(int i = 0; i < 64; i++) {
        if(b[i]==1) x^=i;
    }
    v1.push_back(x^c);
    return v1;
} 

int find_coin(vector<int> b) {
    int a[6] = {1, 2, 4, 8, 16 , 32};
    int c = 0;
    for(int i = 0; i < 64; i++) {
        if(b[i]==1) c^=i;
    }
    return c;
}

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