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C | String | Question 11

  • Difficulty Level : Easy
  • Last Updated : 28 Jun, 2021

Predict the output of the following program:

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#include <stdio.h>
int main()
    char str[] = "%d %c", arr[] = "GeeksQuiz";
    printf(str, 0[arr], 2[arr + 3]);
    return 0;

(A) G Q
(B) 71 81
(C) 71 Q
(D) Compile-time error

Answer: (C)


The statement printf(str, 0[arr], 2[arr + 3]); boils down to:
printf("%d %c, 0["GeeksQUiz"], 2["GeeksQUiz" + 3]);
Which is further interpreted as:
printf("%d %c, *(0 + "GeeksQUiz"), *(2 + "GeeksQUiz" + 3));
Which prints the ascii value of 'G' and character 'Q'.

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