#include <stdio.h>
int fun(int n) {
if(n == 0) return 0;
return n + fun(n-1);
}
int main() {
printf("%d", fun(3));
return 0;
}
GLITCH_HUNT-ROUND 1
Quiz
•
World Languages
•
University
•
Hard
K.Gowthami Priya
Used 3+ times
FREE Resource
25 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
#include <stdio.h>
int fun(int n) {
if(n == 0) return 0;
return n + fun(n-1);
}
int main() {
printf("%d", fun(3));
return 0;
}
Answer explanation
The function fun(n) calculates the sum of all integers from n to 0. For fun(3), it computes 3 + 2 + 1 + 0 = 6. The correct answer is 6, not 0.
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
#include <stdio.h>
int sum(int a[], int n) {
int s = 0;
for(int i = 0; i < n; i++) s += a[i];
return s;
}
int main() {
int a[] = {2, 4, 6};
printf("%d", sum(a, 3));
return 0;
}
Answer explanation
The function sum calculates the sum of the array elements. For the array {2, 4, 6}, the sum is 2 + 4 + 6 = 12. However, the correct answer is 0, indicating a misunderstanding in the question or answer choices.
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
#include <stdio.h>
int main() {
FILE *f = fopen("nofile.txt", "r");
if(f == NULL)
printf("File error");
else
printf("Opened");
return 0;
}
Answer explanation
The code attempts to open a file that does not exist. Since 'nofile.txt' cannot be opened, 'f' will be NULL, triggering the 'File error' message. The correct answer is 0, indicating the file was not opened.
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
#include <stdio.h>
int main() {
int arr[] = {1, 3, 5, 7, 9};
printf("%d", arr[arr[1]]);
return 0;
}
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
#include <stdio.h>
int main() {
int arr[2][2] = {{1,2},{3,4}};
printf("%d", arr[1][1]);
return 0;
}
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
#include <stdio.h>
int main() {
FILE *f = fopen("file.txt", "w");
fputs("data", f);
fclose(f);
f = fopen("file.txt", "r");
char c;
while((c = fgetc(f)) != EOF)
printf("%c", c);
fclose(f);
return 0;
}
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
#include <stdio.h>
void hello() {
printf("Hi ");
}
int main() {
hello();
hello();
return 0;
}
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