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1. What happens if you try to compile and run this program?
#include <stdio.h>
int main(void) {
int i = 3, j = i - 2;
switch(i - 2) {
case 1: j++;
case 2: j++;
case 0: j++; break;
default:j = 0;
}
printf("%d",j);
return 0;
}- the program outputs 3
- the program outputs 2
- the program outputs 1
- the program outputs 4
2. What happens if you try to compile and run this program?#include <stdio.h>
#include <stdio.h>
#include <stdio.h>
int main(void) {
int i = 3, j = i - 2;
switch(i + 2) {
case 1: j++;
case 2: j++;
default:j = 0;
case 0: j++; break;
}
printf("%d",j);
return 0;
}- the program outputs 4
- the program outputs 1
- the program outputs 3
- the program outputs 2
3. What happens if you try to compile and run this program?
#include <stdio.h>
int main(void) {
int i, t[5];
t[0] = 0;
for(i = 1; i < 5; i++)
t[i] = t[i - 1] + i;
printf("%d",t[4]);
return 0;
}- the program outputs 10
- the program outputs 9
- the program outputs 8
- the program outputs 11
4. What happens if you try to compile and run this program?
#include <stdio.h>
int main(void) {
int i, t[5];
t[4] = 0;
for(i = 3; i >= 0; i--)
t[i] = t[4] * i;
printf("%d",t[0]);
return 0;
}- the program outputs 1
- the program outputs 2
- the program outputs -1
- the program outputs 0
5. What happens if you try to compile and run this program?
#include <stdio.h>
int main(void) {
int t[2];
t[0] = 1; t[1] = 0;
printf("%d",t[t[t[t[t[0]]]]]);
return 0;
}- the program outputs -1
- the program outputs 0
- the program outputs 2
- the program outputs 1
6. What happens if you
try to compile and run this program?
#include <stdio.h>
int main(void) {
int i,t[3];
for(i = 2; i >=0 ; i--)
t[i] = i - 1;
printf("%d",t[1] - t[t[0] + t[2]]);
return 0;
}- the program outputs -1
- the program outputs 2
- the program outputs 1
- the program outputs 0
7. What happens if you try to compile and run this program?
#include <stdio.h>
int main(void) {
int i,t[4] = { 1, 2, 4, 8 };
for(i = 0; i < 2 ; i++)
t[i] = t[3 - i];
printf("%d",t[2]);
return 0;
}- the program outputs 8
- the program outputs 4
- the program outputs 2
- the program outputs 1
8. What happens if you try to compile and run this program?
#include <stdio.h>
int main(void) {
int s,i,t[] = { 0, 1, 2, 3, 4, 5 };
s = 1;
for(i = 2; i < 6 ; i += i + 1)
s += t[i];
printf("%d",s);
return 0;
}- the program outputs 4
- the program outputs 2
- the program outputs 8
- the program outputs 1
9. What happens if you try to compile and run this program?
#include <stdio.h>
int main(void) {
char t[] = { 'a', 'b', 'A', 'B' };
printf("%d",t[1] - t[0] + t[3] - t[2]);
return 0;
}- the program outputs 2
- the program outputs 4
- the program outputs 1
- the program outputs 8
10. What happens if you try to compile and run this program?
#include <stdio.h>
int main(void) {
float t[5] = { 1E0, 1E1, 1E2, 1E3, 1E4 };
printf("%f",t[0] + t[2] + t[3]);
return 0;
}- the program outputs 1011.000000
- the program outputs 1111.000000
- the program outputs 1110.000000
- the program outputs 1101.000000
11. What happens if you try to compile and run this program?
#include <stdio.h>
int main(void) {
int i = 1, *j = &i, **k = &j;
printf("%d",**k);
return 0;
}- the program outputs 1
- the program outputs NULL
- the program outputs nul
- the program outputs 0
12. What happens if you try to compile and run this program?
#include <stdio.h>
int main(void) {
char t[3];
printf("%d",sizeof(t) - sizeof(t[0]));
return 0;
}- the program outputs 4
- the program outputs 2
- the program outputs 3
- the program outputs 1
13. What happens if you try to compile and run this program?
#include <stdio.h>
int main(void) {
int t[6];
printf("%d",sizeof(t) / sizeof(int));
return 0;
}- the program outputs 8
- the program outputs 6
- the program outputs 4
- the program outputs 2
14. What happens if you try to compile and run this program?
#include <stdio.h>
int main(void) {
int t[10] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }, *p = t + 4;
p += *p;
printf("%d",*p);
return 0;
}- the program outputs 8
- the program outputs 10
- the program outputs 7
- the program outputs 9
15. What happens if you try to compile and run this program?
#include <stdio.h>
int main(void) {
int t[10] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }, *p = t;
p += 2;
p += p[-1];
printf("%d",*p);
return 0;
}- the program outputs 1
- the program outputs 5
- the program outputs 3
- the program outputs 7
16. What happens if you try to compile and run this program?
#include <stdio.h>
int main(void) {
char s[] = "\0\1\2\3\4";
printf("%c",'A' + s[3]);
return 0;
}- the program outputs A
- the program outputs D
- the program outputs B
- the program outputs C
17. What happens if you try to compile and run this program?
#include <stdio.h>
int main(void) {
printf("%c","ACEGIK"[3] - 1);
return 0;
}- the program outputs E
- the program outputs F
- the program outputs G
- the program outputs H
18. What happens if you try to compile and run this program?
#include <stdio.h>
#include <string.h>
int main(void) {
char s[10] = "ABCDE";
strcpy(s + 2, "ABCDE");
printf("%d", s[0] - s[2]);
return 0;
}- the program outputs -1
- the program outputs 0
- the program outputs 1
- the program outputs -2
19. What happens if you try to compile and run this program?
#include <stdio.h>
#include <string.h>
int main(void) {
char s[10] = "CABDE";
strcat(s + 2, "CABDE");
printf("%d", s[0] - s[2]);
return 0;
}- the program outputs -1
- the program outputs 1
- the program outputs -2
- the program outputs 0
20. What happens if you try to compile and run this program?
#include <stdio.h>
#include <string.h>
int main(void) {
char s[10] = "ABCDE";
strcat(s + 2, "ABCDE");
printf("%d", s[0] - s[2]);
return 0;
}- the program outputs 1
- the program outputs -1
- the program outputs 0
- the program outputs -2
