Submission #995343

#	Time	Username	Problem	Language	Result	Execution time	Memory
995343		Bors	Coins (IOI17_coins)	C++17	0 / 100	7 ms	1692 KiB

coins

#include <bits/stdc++.h>
#include "coins.h"
using namespace std;
#define repf(i,k,n) for(int i=k; i<n; i++)
#define rep(i,n) for(int i=0; i<n; i++)
#define all(v) v.begin(), v.end()

typedef vector<int> vi;

vi coin_flips(vi b, int c) {
    vi flips(1);
    int x=c;
    rep(i,x) if(b[i]) x^=i;
   	flips[0]=x;
    return flips;
}

int find_coin(vi b) {
    int x=0;
    rep(i,x) 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