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1. What happens if you try to compile and run this program?
void f(void) {
}
int main(void) {
int i;
i = f();
printf("%d",i);
return 0;
}- the program outputs nul
- compilation fails
- the program outputs NULL
- the program outputs 0
2. What happens if you try to compile and run this program?
#include <stdio.h>
int f(void) {
}
int main(void) {
int i;
i = f();
printf("%d",i);
return 0;
}- the program outputs NULL
- the program outputs an unpredictable value
- the compilation fails
- the program outputs 0
3. What happens if you try to compile and run this program?
#include <stdio.h>
void f(int i) {
i++;
}
int main(void) {
int i = 1;
f(i);
printf("%d",i);
return 0;
}- the program outputs 1
- the compilation fails
- the program outputs an unpredictable value
- the program outputs 2
4. What happens if you try to compile and run this program?
#include <stdio.h>
int f(int i) {
++i;
return i;
}
int main(void) {
int i = 1;
i = f(i);
printf("%d",i);
return 0;
}- the compilation fails
- the program outputs an unpredictable value
- the program outputs 1
- the program outputs 2
5. What happens if you try to compile and run this program?
#include <stdio.h>
int f(int i) {
return ++i;
}
int main(void) {
int i = 0;
i = f(f(i));
printf("%d",i);
return 0;
}- the program outputs 2
- the program outputs 0
- the program outputs 1
- the compilation fails
6. What happens if you try to compile and run this program?
#include <stdio.h>
int main(void) {
int i = 0;
{
int i = 1;
main.i = i;
}
printf("%d",i);
return 0;
}- the program outputs 2
- the program outputs 0
- compilations fails
- the program outputs 1
7. What happens if you try to compile and run this program?
#include <stdio.h>
int i = 0;
void f(void) {
int i = 1;
}
int main(void) {
int i = 2;
f();
printf("%d",i);
return 0;
}- the compilation fails
- the program outputs 0
- the program outputs 2
- the program outputs 1
8. What happens if you try to compile and run this program?
#include <stdio.h>
int i = 0;
void f(void) {
int i = 1;
}
int main(void) {
f();
printf("%d",i);
return 0;
}- the program outputs 1
- the compilation fails
- the program outputs 2
- the program outputs 0
9. What happens if you try to compile and run this program?
#include <stdio.h>
int i = 1;
int *f(void) {
return &i;
}
int main(void) {
int i = 0;
i = *f();
printf("%d",i);
return 0;
}- the program outputs 0
- the compilation fails
- the program outputs 1
- the program outputs 2
10. What happens if you try to compile and run this program?
#include <stdio.h>
int i = 2;
int *f(void) {
return &i;
}
int main(void) {
int *i;
i = f();
printf("%d",++(*i));
return 0;
}- the program outputs 3
- the program outputs 2
- the program outputs 1
- the compilation fails
11. What happens if you try to compile and run this program?
#include <stdio.h>
int i = 0;
int *f(int *i) {
(*i)++;
return i;
}
int main(void) {
int i = 1;
i = *f(&i);
printf("%d",i);
return 0;
}- the program outputs 2
- the compilation fails
- the program outputs 1
- the program outputs 0
12. What happens if you try to compile and run this program?
#include <stdio.h>
struct S {
int S;
};
int f(struct S s) {
return --s.S;
}
int main(void) {
int i;
struct S S = { 2 };
i = f(S);
printf("%d",i);
return 0;
}- the program outputs 0
- the program outputs 1
- the program outputs 2
- the compilation fails
13. What happens if you try to compile and run this program?
#include <stdio.h>
struct S {
int S;
};
int f(struct S *s) {
return --s.S;
}
int main(void) {
int i;
struct S S = { 2 };
i = f(S);
printf("%d",i);
return 0;
}- the program outputs 2
- compilation fails
- the program outputs 0
- the program outputs 1
14. What happens if you try to compile and run this program?
#include <stdio.h>
int f(int t[\]) {
return t[0\] + t[2\];
}
int main(void) {
int i,a[\] = { -2,-1,0,1,2 };
i = f(a + 2);
printf("%d",i);
return 0;
}- the compilation fails
- the program outputs 0
- the program outputs 2
- the program outputs 1
15. What happens if you try to compile and run this program?
#include <stdio.h>
int f(int t[\][\]) {
return t[0\][0\] + t[1\][0\];
}
int main(void) {
int i,a[2\][2\] = { {-2,-1},{1,2} };
i = f(a + 2);
printf("%d",i);
return 0;
}- the program outputs 0
- the program outputs 1
- the program outputs 2
- the compilation fails
16. What happens if you try to compile and run this program?
#include <stdio.h>
int f(int t[2\][\]) {
return t[0\][0\] + t[1\][0\];
}
int main(void) {
int i,a[2\][2\] = { {-2,-1},{1,2} };
i = f(a + 2);
printf("%d",i);
return 0;
}- the program outputs 2
- the program outputs 0
- the program outputs 1
- the compilation fails
17. What happens if you try to compile and run this program?
#include <stdio.h>
int f(char t[\]) {
return t[1\] - t[0\];
}
int main(void) {
int i = 2;
i -= f("ABDGK" + 1);
printf("%d",i);
return 0;
}- the program outputs 2
- the program outputs 1
- the program outputs 0
- the compilation fails
18. What happens if you try to compile and run this program?
#include <stdio.h>
int f(char t[\]) {
return t[0\] - t[-1\];
}
int main(void) {
int i = 2;
i -= f("ABDGK" + 1);
printf("%d",i);
return 0;
}- the compilation fails
- the program outputs 2
- the program outputs 1
- the program outputs 0
19. What happens if you try to compile and run this program?
#include <stdio.h>
#include <string.h>
void f(char *s,int i) {
*(s + i) = '\0';
}
int main(void) {
char a[\] = { 'a','b','c','d' };
f(a[1\],1);
printf("%d",strlen(a));
return 0;
}- the program outputs 2
- the compilation fails
- the program outputs 1
- the program outputs 0
20. What happens if you try to compile and run this program?
#include <stdio.h>
#include <string.h>
void f(char *s,int i) {
*(s + i) = '\0';
}
int main(void) {
char a[\] = { 'a','b','c','d' };
f(a+1,1);
printf("%d",strlen(a));
return 0;
}- the program outputs 1
- the compilation fails
- the program outputs 2
- the program outputs 0
