Submission #251132

#	Time	Username	Problem	Language	Result	Execution time	Memory
251132		kshitij_sodani	Coins (IOI17_coins)	C++14	100 / 100	19 ms	1836 KiB

coins

#include <bits/stdc++.h>
using namespace std;
typedef int64_t llo;
#define mp make_pair
#define pb push_back
#define a first 
#define b second
#include "coins.h"

std::vector<int> coin_flips(std::vector<int> b, int c) {
   int val=0;
   for(int i=0;i<64;i++){
        if(b[i]){
            val=val^i;
        }
    }   
    for(int i=0;i<64;i++){
        if((val^i)==c){
            return {i};
        }
    }

   // return flips;
}

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

Compilation message (stderr)

coins.cpp: In function 'std::vector<int> coin_flips(std::vector<int>, int)':
coins.cpp:24:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

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