为什么我全是TLE

#include<iostream>
#include<cstring>
using namespace std;
int main()
{
	int zfs,num,dcs,j;
	num = -1;
	zfs = dcs = 0;
	char str[12],a;
	cin >> str;
	for (int j = 0; j < strlen(str); j++)
	{
		if (str[j] <= 'Z'&&str[j]>='A')
			str[j] += 32;
	}
	str[strlen(str)] = '\0';
	a=getchar();
	a = ' ';
	while (a != '\n')
	{
		if (a == ' ')
		{
			for (j = 0;a!='\n'; j++)
			{
				a = getchar();
				if (a <= 'Z' && a >= 'A')
					a += 32;
				if (j == strlen(str) && (a == '\n' || a == ' '))
				{
					dcs++;
					if (num == -1)
						num = zfs;
					break;
				}
				if (str[j] != a)
					break;
			}
			zfs += j;
			zfs++;
		}
		else {
			a = getchar();
			if (a <= 'Z' && a >= 'A')
				a += 32;
			zfs++;
		}
	}
	if (num == -1)
		cout << -1;
	else cout << dcs << " " << num;
	return 0;
}

求大佬指点!