Discussion
What will be the output of the program ?
#include <stdio.h>
#include <string.h>
int main()
{
char sentence[80];
int i;
printf("Enter a line of text\n");
gets(sentence);
for(i=strlen(sentence)-1; i >=0; i--)
putchar(sentence[i]);
return 0;
}
Answer: B
Correct answer: The sentence will get printed in reverse order
The loop starts at strlen(sentence)-1, the last character, and counts down to 0, writing each character as it goes - so the line comes out backwards. (Note that gets() cannot limit the input length and has been removed from modern C; fgets() is what real code should use.)
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