제출 #559041

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
559041		_karan_gandhi	Coins (IOI17_coins)	C++17	컴파일 에러	0 ms	0 KiB

coins

#include "coins.h"

std::vector<int> coin_flips(std::vector<int> b, int c) {
	std::vector<int> filps(1);
	int xr = c;
	for (int i = 0; i < b.size(); i++) {
		xr ^= b[i] * i;
	}
	flips[0] = xr;
	return flips;
}

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

컴파일 시 표준 에러 (stderr) 메시지

coins.cpp: In function 'std::vector<int> coin_flips(std::vector<int>, int)':
coins.cpp:6:20: 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; did you mean 'filps'?
    9 |  flips[0] = xr;
      |  ^~~~~
      |  filps
coins.cpp: In function 'int find_coin(std::vector<int>)':
coins.cpp:15:20: 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++) {
      |                  ~~^~~~~~~~~~