Submission #1141441

#	Time	Username	Problem	Language	Result	Execution time	Memory
1141441		chari	Coins (IOI17_coins)	C++20	100 / 100	6 ms	768 KiB

coins

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

std::vector<int> coin_flips(std::vector<int> b, int c) {
	for(int x=0;x<b.size();x++){
		if(b[x]==1){
			c^=x;
		}
	}
	return {c};
}
    

int find_coin(std::vector<int> b) {
	int pos=0;
	for(int x=0;x<b.size();x++){
		if(b[x]==1){
			pos^=x;
		}
	}
	return pos;
}

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