Submission #1141468

#	Time	Username	Problem	Language	Result	Execution time	Memory
1141468		1anh6	Coins (IOI17_coins)	C++20	Compilation error	0 ms	0 KiB

coins

#include "coins.h"

std::vector<int> coin_flips(std::vector<int> b, int c) {
    std::vector<int> flips;
    for(int i = 0; i < 6; i++)
        if((c & (1 << i)) && b[i] == 0)
            std::flips.push_back(i);
        else if(!(c & (1 << i) && b[i] == 1))
            std::flips.push_back(i);
    std::flips.push_back(7);
    return flips;
}

int find_coin(std::vector<int> b) {
    int suma = 0;
    for(int i = 0; i < 6; i++)
        suma += (b[i] << i);
    return suma;
}

Compilation message (stderr)

coins.cpp: In function 'std::vector<int> coin_flips(std::vector<int>, int)':
coins.cpp:7:18: error: 'flips' is not a member of 'std'
    7 |             std::flips.push_back(i);
      |                  ^~~~~
coins.cpp:9:18: error: 'flips' is not a member of 'std'
    9 |             std::flips.push_back(i);
      |                  ^~~~~
coins.cpp:10:10: error: 'flips' is not a member of 'std'
   10 |     std::flips.push_back(7);
      |          ^~~~~