Submission #378444

#	Time	Username	Problem	Language	Result	Execution time	Memory
378444		keta_tsimakuridze	Coins (IOI17_coins)	C++14	Compilation error	0 ms	0 KiB

coins

//#include "coins.h"
#include<bits/stdc++.h>
using namespace std;
std::vector<int> coin_flips(std::vector<int> b, int c) {
	int x=0;
    for(int i=0;i<b.size();i++){
    	if(b[i]) x^=i;
	}
	flips.push_back(x^c);
	return flips;
}

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

Compilation message (stderr)

coins.cpp: In function 'std::vector<int> coin_flips(std::vector<int>, int)':
coins.cpp:6:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    6 |     for(int i=0;i<b.size();i++){
      |                 ~^~~~~~~~~
coins.cpp:9:2: error: 'flips' was not declared in this scope
    9 |  flips.push_back(x^c);
      |  ^~~~~
coins.cpp: In function 'int find_coin(std::vector<int>)':
coins.cpp:15:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |     for(int i=0;i<b.size();i++){
      |                 ~^~~~~~~~~