C15 Assignment

C Revision Questions Predict the output obtained

1. main() { int i=5,j; j=++i+++i+++i; printf("%d %d",i,j); } 2. main() { int i=1; i=2+2*i++; printf("%d",i); } 3. main() { int a=2,b=7,c=10; c=a==b; printf("%d",c); } 4. main() { int x; x=10,20,30; printf("%d",x); } 5. main() { int a; a=015 + 0x71 +5; printf("%d",a); } 6. main() { int a=2;

a=a++ + ~++a; printf("%d",a); } 7. main() { int a; a=sizeof(!5.6); printf(“%d”,a); } 8. main() { float a; (int)a= 45; printf(“%d”,a); } 9. main() { int i=5; int a=++i + ++i + ++i; printf(“%d”,a); } 10.main() { char a[5]; a[0]='q'; a[1]='u'; a[2]='e'; clrscr(); printf("%s",a); getch(); } 11.main() { clrscr(); printf("%d",sizeof(3.8)); getch(); } 12.main() { char *str1="powla"; char *str2="er";

clrscr(); printf("%s\b\b%s",str1,str2); getch(); } 13.main() { int a=270; char *p; p=(char *)&a; clrscr(); printf("%d",*p); getch(); } 14.main() { int far *a=(int far*)0x50000011; int far *b=(int far*)0x50010001; int huge *c=(int huge*)0x50000011; int huge *d=(int huge*)0x50010001; clrscr(); if(a==b) printf("I know C"); else printf("I don't know C"); if(c==d) printf("\nI know C"); else printf("\nI don't know C"); getch(); } 15.#define power(a) #a main() { clrscr(); printf("%d",*power(432)); getch(); } 16.main() { int arr[]={1,2,3,4,5,6}; void xxx(int[5]); xxx(arr);

getch(); } void xxx(int ch[5]) { clrscr(); printf("%d",-1[ch]); } 17.#define MAN(x,y) (x)>(y)?(x):(y) main() { int i=10,j=9,k=0; k=MAN(i++,++j); printf("%d %d %d",i,j,k); getch(); } 18.#define CUBE(x) (x*x*x) #define M 5 #define N M+1 #define PRINT printf("RITESH"); void main() { int volume =CUBE(3+2); clrscr(); printf("%d %d ",volume,N); PRINT getch(); } 19.#define max 10+2 void main() { int i; i=max*max; clrscr(); printf("%d",i); getch(); } 19.#define A 4-2 #define B 3-1 void main() { int ratio=A/B; printf("%d ",ratio);

getch(); } 20.main() { struct field { int a; char b; }bit; struct field bit1={5,'A'}; char *p=&bit1; *p=45; clrscr(); printf("\n%d",bit1.a); getch(); }

21.main() { int a=320; char *ptr; ptr=(char *)&a; clrscr(); printf("%d ",*ptr); getch(); } 23. #include"stdio.h" #include"conio.h" main() {

void (*p)(); int (*q)(); int (*r)(); p=clrscr; q=getch; r=puts; (*p)(); (*r)("Accy rocks the world"); (*q)(); } 24. main() { int i=3; int *j; int **k; j=&i; k=&j; printf(“%u %u %d ”,k,*k,**k); } 25. #include"stdio.h" #include"string.h" main() { register a=25; int far *p; p=&a; clrscr();

printf("%d ",*p); getch(); } 26. #include"stdio.h" #include"string.h" void main() { int a=5,b=10,c; int *p=&a,*q=&b; c=p-q; clrscr(); printf("%d",c); getch(); }