C program for Concatenation of strings (Automatic)

#include <stdio.h>
#include <string.h>
int main() 
{
    char s1[50], s2[50];

    printf("Enter two strings :  ");
    scanf("%s %s", s1, s2);

    strcat(s1, s2);

    printf("Result: %s", s1);
}

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