Submission #133580

#	Time	Username	Problem	Language	Result	Execution time	Memory
133580		dvdg6566	Coins (IOI17_coins)	C++14	100 / 100	13 ms	1540 KiB

coins

#include "coins.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<ll> vi;
typedef pair<ll,ll> pi;
typedef pair<ll, pi> pii;
typedef set<ll> si;
typedef vector<pi> vpi;
typedef double dl;
#define mp make_pair
#define pb push_back
#define f first
#define s second
ll MOD = 1e9+7;
#define lb lower_bound
#define ub upper_bound
#define INF 1000000000
#define SZ(x) x.size()
#define ALL(x) x.begin(),x.end()

std::vector<int> coin_flips(std::vector<int> b, int c) {
    int t = 0;
    for (int i=0;i<64;++i){
       if (b[i])t = t^i;
    }
    t = t^c;
    vector<int> V;
    V.pb(t);
    return V;
}

int find_coin(std::vector<int> b) {
    int t = 0;
    for (int i=0;i<64;++i){
       if (b[i])t = t^i;
    }
    return t;
}

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