Q. What will be the output of the following C code? (If the input is "Hello world")

Code: 
#include <stdio.h>

int main()
{
    char str[30];

    scanf("%s", str);
    printf("%s", str);

    return 0;
}
  • (A) Hello world
  • (B) Hello
  • (C) Hello world\0
  • (D) Error
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✅ Correct Answer: (B) Hello
Explanation: When we read a string using the scanf() function, the input is terminated by the whitespace. Here, the input is "Hello world", so only "Hello" will be stored to str. Thus, the output will be "Hello".

Published by Chandani ⭐ 10.97K Points at 06-Mar-2023 04:01 pm in C Programming

Explanation by: Chandani
When we read a string using the scanf() function, the input is terminated by the whitespace. Here, the input is "Hello world", so only "Hello" will be stored to str. Thus, the output will be "Hello".

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