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C program to implement tower of Hanoi problem

Sunday, April 4th, 2010  »  Posted By Ranjith  »  Total 6 Comments

To implement tower of Hanoi problem. #include<stdio.h> void hanoi_tower(char,char,char,int); void hanoi_tower(char peg1,char peg2,char pege3,int n) { if(n<=0) printf("\n Illegal Entry"); if(n==1) printf ("\n Move disk from %c to %c", pege1,pege3); else { hanoi_tower(peg1,peg3,peg2,n-1); hanoi_tower(peg1,peg2,peg3,1); hanoi_tower(peg2,peg1,peg3,n-1); } } Void main () { int n; printf("\n Input the number of dise:); scanf("%d", &n); printf("\n Tower of Hanoi [...]

C program for sorting a Linked List

Sunday, April 4th, 2010  »  Posted By Ranjith  »  Total 0 Comment

C program for sorting a Linked List. #include<stdio.h> #include<dirent.h> #include<malloc.h> #include<string.h>   void main (int argc,char * argv[]) { DIR * directory_pointer; struct dirent* entry; struct File list { char filename[64]; struct File * new; } start,*node,* previous, * new; if((directory_pointer=opendir(argv[1]))==NULL) printf("Error opening %s\n", argv[1]); else { start.next + NULL; while (entry = readdir (directory_pointer)) [...]

C program to Implement Morse code to text conversion and vice-versa.

Sunday, April 4th, 2010  »  Posted By Ranjith  »  Total 0 Comment

C program to Implement Morse code to text conversion and vice-versa. #include<stdio.h> #include<conio.h> #include<string.h> #include<process.h>   void main() { char str[25],str1[100]; clrscr(); fflush(stdin); printf("enter the String"); gets(str);   int j=0; for(int i=0;i<=strlen(str);++) { switch(toupper(str[i])) { case ‘A’: str1[j++]=’.'; str1[j]=’.'; break;   case ‘b’: str1[j++]=’.'; str1[j++]=’.'; str1[j++]=’.'; str1[j]=’.'; break;   case ‘c’: str1[j++]=’.'; str1[j++]=’.'; str1[j++]=’.'; str1[j]=’.'; [...]

C program to calculate the GCD of a number

Sunday, April 4th, 2010  »  Posted By Ranjith  »  Total 0 Comment

Write a program to calculate the Greatest Common Divisor(GCD) of a number #include<stdio.h> #include<conio.h> #include<process.h> int gcd(int m,int n) { int rem; while(n!=0) { rem=m%n; m=n; n=rem; } return(m); } main() { int num1,num2,num3,gcd1,gcd2; clrscr(); printf("Enter three positive integers"); scanf("%d%d%d",&num1,&num2,&num3); if(num1==0 && num2==0 && num3==0) { printf("\n Invalid number"); exit(0); } gcd1=gcd(num1,num2); gcd2=gcd(num3,gcd1); printf("\n GCD [...]

C program for Syntax Analyzer

Monday, March 29th, 2010  »  Posted By Ranjith  »  Total 1 Comment

C program for Syntax Analyzer #include<stdio.h> #include<conio.h> #include<string.h> #include<ctype.h> void main() { int i,j,k=0,count,inc=0,n; char name[30],open[30],ch,chh,o[30]; char op[20]={’=',’+',’-',’*',’/',’%',’^',’&’,'|’}; clrscr(); textcolor(3); cprintf("–Syntax Analyser–"); printf("\n"); printf("\n Enter Syntax"); printf("\n"); scanf("%s",name); n=strlen(name); for(i=0;i<n;i++) { ch=tolower(name[i]); for(j=0;j<9;j++) { if(ch==op[j]) { open[k]=i; o[k]=ch; k++; } } } for(i=0;i<k;i++) { count=open[i]; ch=tolower(name[count-1]); chh=tolower(name[count+1]); if(isalpha(ch)&&isalpha(chh)||isdigit(chh)) ++inc; } if(k==inc) printf("\n %s is a [...]

C program for Shortest Job Next

Monday, March 29th, 2010  »  Posted By Ranjith  »  Total 0 Comment

C program for Shortest Job Next #include<stdio.h> #include<conio.h> #include<math.h> void main() { int s,t[20],temp,n,x[20],w[20],i,j,c,d,b[20]; float avgw,avgt; clrscr(); printf("\n Enter no.of job:"); scanf("%d",&n); printf("enter the job:"); for(i=1;i<=n;i++) { scanf("%d",&b[i]); x[i]=i; } for(i=1;i<=n-1;i++) { for(j=i+1;j<=n;j++) { if(b[i]>b[j]) { temp=b[i]; b[i]=b[j]; b[j]=temp; s=x[i]; x[i]=x[j]; x[j]=s; } } } c=0; d=0; for(i=1;i<=n;i++) { w[i]=w[i-1]+b[i-1]; t[i]=b[i]+t[i-1]; w[1]=0; t[1]=b[1]; c+=w[i]; d+=t[i]; [...]

C program for Round Robin

Monday, March 29th, 2010  »  Posted By Ranjith  »  Total 4 Comments

C program for Round Robin   #include<stdio.h> #include<conio.h> #include<iostream.h> int t,n,s,bt[10],ct[10],ta[10],w[10],lat[10],wav,taav; int allover() { for(int i=0;i<n;i++) if(ct[i]>0) return 0; return 1; } void select(int p) { w[p]+=t-lat[p]; if(ct[p]>=s) { ct[p]-=s; t+=s; } else { t+=ct[p]; ct[p]=0; } if(ct[p]==0) ta[p]=t; lat[p]=t; } void main() { int p=0;t=0;taav=0;wav=0; clrscr(); printf("Enter the number of process : "); scanf("%d",&n); [...]

C program for Priority Scheduling

Monday, March 29th, 2010  »  Posted By Ranjith  »  Total 21 Comments

C program for Priority Scheduling #include<stdio.h> #include<conio.h> #include<iostream.h> void main() { clrscr(); int x,n,p[10],pp[10],pt[10],w[10],t[10],awt,atat,i; printf("Enter the number of process : "); scanf("%d",&n); printf("\n Enter process : time priorities \n"); for(i=0;i<n;i++) { printf("\nProcess no %d : ",i+1); scanf("%d %d",&pt[i],&pp[i]); p[i]=i+1; } for(i=0;i<n-1;i++) { for(int j=i+1;j<n;j++) { if(pp[i]<pp[j]) { x=pp[i]; pp[i]=pp[j]; pp[j]=x; x=pt[i]; pt[i]=pt[j]; pt[j]=x; x=p[i]; p[i]=p[j]; [...]

C program for Pass-1 Assembler

Monday, March 29th, 2010  »  Posted By Ranjith  »  Total 10 Comments

C program for Pass-1 Assembler #include<iostream.h> #include<conio.h> #include<stdio.h> #include<stdlib.h> #include<string.h> int symi=0,lc=0,len=1,dc=0,start=0; struct pgm { char line[80]; } s[100]; struct symtab { char name[10]; int add; } sym[100]; void show(char* a,char* b,char* c) { printf("%8s %5s %6s \n",a,b,c); } void check(char s[]) { if(!strcmpi(s,"START")) { start=1; show("","START","1"); return; } if(!strcmpi(s,"END")) { show("","END","1"); return; } if(!strcmpi(s,"EQU")) [...]

C program for Operator Precedence

Monday, March 29th, 2010  »  Posted By Ranjith  »  Total 2 Comments

C program for Operator Precedence #include<stdio.h> #include<iostream.h> #include<conio.h> #include<string.h> #include<ctype.h> void main() { int i=0,j=0,k=0,p[10]; char name[20]; char key[20]={’(‘,’)',’&’,'%’,'^’,'*’,'/’,'+’,'-’,'|’,';’}; clrscr(); textcolor(2); cprintf("—Operator Precedence—–\n"); cprintf("\nEnter the expression:"); scanf("%s",&name); cprintf("\n—output—-\n"); for(i=0;i<20;i++) { for(j=0;j<strlen(name);j++) { char c; c=tolower(name[j]); if(!isalpha(c)&&!isdigit(c)) { if(key[i]==c) { printf("\n %c is executed %d(%c %c %c)\n",c,k++,tolower(name[j-1]),c,tolower(name[j+1])); } } } } getch(); }

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