Wikioi 1204 find the substring position (strstr () function)

1204 locate a substring Description

The string a and string B are given to ensure that B is a substring of A. Please output the position where B first appears in.

Input description Input description

Only one line contains two strings A and B

Output description Output description

Only one integer in one row

Sample Input Sample Input

ABCD BC

Sample output Sample output

2

Data range and prompt Data size & hint

The length of a string cannot exceed 100

Note to Pascal: two strings may contain multiple spaces.

 

 

Pass code:

　　

　　

#include <stdio.h>#include <string.h>int main(){char a[100], b[100], *ptr1, *ptr2;scanf("%s%s", a, b);ptr1 = &a;ptr2 = strstr(a, b);printf("%d", (ptr2 - ptr1) + 1);return 0;}