dev c++上都能出正确结果，不知道为什么评测全RE

求大佬解答

#include<stdio.h>
#include<cstdio>
char s[300];
int check(char s[300])
{
	int top = 0,i=0;
	while (s[i] != '@')
	{
		if (s[i] == '(')
			top++;
		if (s[i] == ')')
			top--;
		i++;
	}
	if (top!=0)
		return 0;
    return 1;
}
int main()
{
	int i = 0;
	char c=getchar();
	while (c != '@')
	{
		
		s[i] = c;
		c = getchar();
		i++;

	}
	if (check(s) == 0)
		printf("NO");
	else
		printf("YES");
	return 0;
}