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......
    int len1=strlen(str);
    int len2=strlen(substr);
    for(int i=0;i<len1-len2+1;i++)
    {
        if(substr[0]==str[i])
        {
            int sum=0;
            for(int j=0;j<len2;j++)
            {
                if(substr[j]==str[i+j])
                sum++;
            }
            if(sum==len2)
            count++;
        }
    }

    cout << count << endl;

    return 0;
}