Submission #116708

#	Time	Username	Problem	Language	Result	Execution time	Memory
116708		faustaadp	Coins (IOI17_coins)	C++17	10 / 100	13 ms	1464 KiB

coins

#include "coins.h"
#include<bits/stdc++.h>
typedef long long ll;
#define pb push_back
#define mp make_pair
#define fi first
#define se second
using namespace std;
std::vector<int> coin_flips(std::vector<int> b, int c) 
{
    ll i;
    std::vector<int> flips;
    for(i=0;i<64;i++)
        if((b[i]==1&&i!=c)||(i==c&&b[i]==0))
            flips.pb(i);
    //flips.clear();
    if(flips.empty())
    {
        flips.clear();
        for(i=0;i<64;i++)
            flips.pb(i);
    }
    return flips;
}

int find_coin(std::vector<int> b) {
    ll i,sat=0;
    for(i=0;i<64;i++)
        if(b[i]==1)
            sat++;
    if(sat==1)
    {
        for(i=0;i<64;i++)
            if(b[i]==1)
                return i;
    }
    else
    {
        for(i=0;i<64;i++)
            if(b[i]==0)
                return i;
    }
}

Compilation message (stderr)

coins.cpp: In function 'int find_coin(std::vector<int>)':
coins.cpp:43:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

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