제출 #428070

#제출 시각아이디문제언어결과실행 시간메모리
428070A_DArranging Shoes (IOI19_shoes)C++14
45 / 100
33 ms1868 KiB
#include "shoes.h" #include <bits/stdc++.h> using namespace std; long long count_swaps(std::vector<int> s) { long long ans=0,cnt=0; for(int i=0;i<s.size();i++){ if(s[i]<0){ ans+=abs(i-cnt); cnt+=2; } } return ans; if(s.size()==2)return s[0]>s[1]; long long n=s.size(); n/=2; return n*(n-1)/2; }

컴파일 시 표준 에러 (stderr) 메시지

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