Submission #1141513

#	Time	Username	Problem	Language	Result	Execution time	Memory
1141513		Maaxle	Coins (IOI17_coins)	C++20	100 / 100	5 ms	584 KiB

coins

#include "coins.h"
#include <bits/stdc++.h>

#define range(it, a, b) for (ll it = a; it < b; it++)
#define invr(it, a, b) for (ll it = a; it >= b; it--)
#define all(x) begin(x), end(x)
#define ll long long
#define ull unsigned long long
#define ld long double
#define INF64 ((ll) 1 << 62)
#define INF32 (1 << 30)
#define mset multiset
#define uset unordered_set
#define umap unordered_map 
#define pqueue priority_queue 
#define ptr(A) shared_ptr<A>
#define v(x) vector<x>

using namespace std;

v(int) coin_flips (v(int) b, int c) {
    v(int) ans;
    int a = c;
    range(i, 0, 64) {
        if (b[i])
            a ^= i;
    }
    ans.push_back(a);
    return ans;
}

int find_coin(v(int) b) {
    int a = 0;
    range(i, 0, 64) {
        if (b[i])
            a ^= i;
    }
    return a;
}

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