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Command Line Arguments - Programming

Q1:

What will be the output of the program if it is executed like below?
cmd> sample 
/* sample.c */
#include<stdio.h>

int main(int argc, char **argv)
{
    printf('%s\n', argv[argc-1]);
    return 0;
}

A 0

B sample

C samp

D No output

ANS:A - 0

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