Submission #301199

#	Time	Username	Problem	Language	Result	Execution time	Memory
301199		phillip	Coins (IOI17_coins)	C++14	0 / 100	4 ms	1280 KiB

coins

#include "coins.h"
#include <bits/stdc++.h>
#define ll long long
using namespace std;
vector<int> coin_flips(vector<int> b, int c)
{
    vector<int> flips;
    for(int i=0,j=1;j<=c;j*=2,i++)
    {
        if(j&c)
        {
            if(b[i]==0){flips.push_back(i);b[i]=1-b[i];}
        }
        else
        {
            if(b[i]==1){flips.push_back(i);b[i]=1-b[i];}
        }
    }/*
    for(int i=0;i<8;i++)
    {
        for(int j=0;j<8;j++)cout<<b[i*8+j];cout<<"\n";
    }*/
    return flips;
}

int find_coin(vector<int> b)
{
    int ret=0;
    for(int i=0,j=1;i<8;i++,j*=2)
    {
        if(b[i])ret+=j;
    }
    //cout<<ret<<" ";
    return ret;
}

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