Submission #1177708

#	Time	Username	Problem	Language	Result	Execution time	Memory
1177708		tamzid	Arranging Shoes (IOI19_shoes)	C++20	Compilation error	0 ms	0 KiB

shoes

#include "shoes.h"

long long count_swaps(std::vector<int> s) {
	if(s[i]==-s[i])
		return 1;
	else
		return 0;
}

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:4:14: error: 'i' was not declared in this scope
    4 |         if(s[i]==-s[i])
      |              ^
shoes.cpp:8:1: warning: control reaches end of non-void function [-Wreturn-type]
    8 | }
      | ^