Submission #570363

#	Time	Username	Problem	Language	Result	Execution time	Memory
570363		Jomnoi	Coins (IOI17_coins)	C++17	10 / 100	11 ms	1568 KiB

coins

#include <bits/stdc++.h>
#include "coins.h"
using namespace std;

vector <int> coin_flips(vector <int> b, int c) {
    vector <int> flips;
    for(int i = 0; i < 64; i++) {
        if(b[i] == (c != i)) {
            flips.push_back(i);
        }
    }

    if(flips.empty()) {
        flips.push_back(c);
        flips.push_back(c);
    }
    return flips;
}

int find_coin(vector <int> b) {
    for(int i = 0; i < 64; i++) {
        if(b[i] == 1) {
            return i;
        }
    }
}

Compilation message (stderr)

coins.cpp: In function 'int find_coin(std::vector<int>)':
coins.cpp:26:1: warning: control reaches end of non-void function [-Wreturn-type]
   26 | }
      | ^

• Subtask 1: 0 / 10
• Subtask 2: 0 / 15
• Subtask 3: 10 / 10
• Subtask 4: 0 / 15
• Subtask 5: 0 / 50