Submission #829594

#	Time	Username	Problem	Language	Result	Execution time	Memory
829594		MODDI	Coins (IOI17_coins)	C++14	0 / 100	6 ms	1336 KiB

coins

#include "coins.h"
#include <bits/stdc++.h>
//#include "grader.cpp"
using namespace std;
#define pb push_back
#define mp make_pair
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vl;
std::vector<int> coin_flips(std::vector<int> b, int c) {
    int x = 0;
    for(int i = 0; i < (int)b.size(); i++){
    	if(b[i]) x ^= i;
	}
	int flip = 0;
	for(int i = 0; i < 6; i++){
		int g = (x & 1), d = (c & 1);
		if(g != d)
			flip ^= (1 << i);
	}
	return {flip};
}

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: 0 / 10
• Subtask 2: 0 / 15
• Subtask 3: 0 / 10
• Subtask 4: 0 / 15
• Subtask 5: 0 / 50