제출 #147516

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
147516		ioilolcom	Arranging Shoes (IOI19_shoes)	C++14	컴파일 에러	0 ms	0 KiB

shoes

#include<bits/stdc++.h>
using namespace std;
#include "shoes.h"
 
long long count_swaps(std::vector<int> s) {
	long long n = s.size();

	
	ll swaps = n*(n-1)/2;
   return swaps;
}

컴파일 시 표준 에러 (stderr) 메시지

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:9:2: error: 'll' was not declared in this scope
  ll swaps = n*(n-1)/2;
  ^~
shoes.cpp:10:11: error: 'swaps' was not declared in this scope
    return swaps;
           ^~~~~
shoes.cpp:6:12: warning: unused variable 'n' [-Wunused-variable]
  long long n = s.size();
            ^