Submission #500656

#	Time	Username	Problem	Language	Result	Execution time	Memory
500656		HelloWorld	Arranging Shoes (IOI19_shoes)	C++17	Compilation error	0 ms	0 KiB

shoes

#include "shoes.h"
using namespace std;
using ll long long;
ll count_swaps ( vector <int> s) {
	ll x;
	if (s[0] < 0) {
		x = 0;
		return x;
	}
	x = 1;
	return 1;
}

Compilation message (stderr)

shoes.cpp:3:7: error: expected nested-name-specifier before 'll'
    3 | using ll long long;
      |       ^~
shoes.cpp:4:1: error: 'll' does not name a type
    4 | ll count_swaps ( vector <int> s) {
      | ^~