제출 #284646

#제출 시각아이디문제언어결과실행 시간메모리
284646triplem5dsArranging Shoes (IOI19_shoes)C++14
10 / 100
1 ms384 KiB
#include "shoes.h"
#include "bits/stdc++.h"
using namespace std;
long long count_swaps(std::vector<int> s) {
	long long cnt = 0;
	for(int i = 0; i < s.size(); i += 2){
    if(s[i] < 0){
      for(int j = s.size()-1; j >= 0; --j){
        if(-s[j] == s[i]) {
          for(int k = j - 1; k > i; --k){
            swap(s[k], s[k+1]);
            cnt++;
          }
          break;
        }
      }
    } else {
      for(int j = s.size()-1; j >= 0; --j){
        if(-s[j] == s[i]) {
          for(int k = j - 1; k >= i; --k){
            swap(s[k], s[k+1]);
            cnt++;
          }
          break;
        }
      }
    }
	}
  return cnt;
}

컴파일 시 표준 에러 (stderr) 메시지

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:6:19: 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 < s.size(); i += 2){
      |                 ~~^~~~~~~~~~
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