Submission #977750

#	Time	Username	Problem	Language	Result	Execution time	Memory
977750		marinaluca	Coins (IOI17_coins)	C++14	100 / 100	8 ms	1948 KiB

coins

#include <bits/stdc++.h>
#include "coins.h"
#include <ext/rope>
/**#pragma GCC optimize ("O4")
#pragma GCC optimize ("fast-math")
#pragma GCC optimize ("unroll-loops")
**/
using namespace std;
#define ll long long
#define FOR for (int i = 0; i < 64; ++ i) cp ^= i * b[i];

vector <int> coin_flips(vector <int> b, int c){
    int cp = c;
    FOR return {cp};
}
int find_coin(vector <int> b){
    int cp = 0;
    FOR return cp;
}

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