Problem K: 字符串比对

#include <stdio.h>
#include <string.h>
#define N 10000
#include<stdlib.h>
int main()
{
    int len1, len2, count = 0;
    char a[N], b[N];
    gets(a);
    gets(b);
    len1 = strlen(a);
    len2 = strlen(b);

    for(int i = 0; i < len2 - len1; i++)
    {
        int match = 0;
        if(b[i] == a[0])
        {
            match = 1;
            for(int j = 1; j < len1;j++)
            {
                if(b[j + i] == ' ')
                    i++;
                else if(b[j + i] != a[j])
                    match = 0;
            }
        }
        if(match == 1)
        {
            count++;
            if(count ==