Submission #1219162

#	Time	Username	Problem	Language	Result	Execution time	Memory
1219162		putuputu	Coins (IOI17_coins)	C++20	100 / 100	5 ms	584 KiB

coins

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

int find_coin(vector<int> b) {
    int a=0;
    for(int i=0; i<b.size(); i++){
    	if(b[i]==1){
    		a=a^i;
		}
	}
	return a;
}

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