제출 #385463

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
385463		BlancaHM	Coins (IOI17_coins)	C++14	컴파일 에러	0 ms	0 KiB

coins

#include "coins.h"
using namespace std;

vector<int> coin_flips(vector<int> b, int c) {
    vector<int> flips();
    int val = 0;
    for (int i = 0; i < (int) b.size(); i++) {
        if (b[i]) val ^= i;
    }
    if (val == c)
        flips.push_back(0);
    else
        flips.push_back(val^c);
    return flips;
}

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

컴파일 시 표준 에러 (stderr) 메시지

coins.cpp: In function 'std::vector<int> coin_flips(std::vector<int>, int)':
coins.cpp:11:15: error: request for member 'push_back' in 'flips', which is of non-class type 'std::vector<int>()'
   11 |         flips.push_back(0);
      |               ^~~~~~~~~
coins.cpp:13:15: error: request for member 'push_back' in 'flips', which is of non-class type 'std::vector<int>()'
   13 |         flips.push_back(val^c);
      |               ^~~~~~~~~
coins.cpp:14:12: error: could not convert 'flips' from 'std::vector<int>()' to 'std::vector<int>'
   14 |     return flips;
      |            ^~~~~
      |            |
      |            std::vector<int>()