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......
    string str1(str);
    string str2(substr);

    int i=0;
    while (str1.find(str2, i) != -1) {
        count++;
        i = str1.find(str2, i) + 1;
    }
    

    cout << count << endl;

    return 0;
}