题解 | #统计字符串中子串出现的次数#

#include <iostream>
#include <cstring>
using namespace std;

int main() {

    char str[100] = { 0 };
    char substr[100] = { 0 };

    cin.getline(str, sizeof(str));
    cin.getline(substr, sizeof(substr));

    int count = 0;

    // write your code here......
    char* p1  = str;
    char* p2  = substr;
    while(*p1 != '\0')
    {
        if(*p1 != *p2)
        {
            p1++;
        }
        while(*p1 == *p2)
        {
            
            p2++;
            if(*(p2) == '\0')
            {
                count++;
                //p1 = p1 -1;
                break;
                
            }
            p1++;
            
        }
       
        p2 = substr;
    }

    cout << count << endl;

    return 0;
}