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C++ Program – CheckSum generator

May 11, 2011

//Downloaded From theonlinetutorials.com //Source code #include<iostream.h> #include<stdio.h> #include<string.h> #include<conio.h> #define size 100 unsigned short int checksum(char []); void valch(unsigned short int check,char message[]); int main(){ clrscr(); cout<<” Enter any thing :”; char message[size]={0}; cin>>message; unsigned short int check=checksum(message); getch(); valch(check,message); getch(); return 0; } void valch(unsigned short int check,char message[]){ unsigned short int t[size],ch=0; int [...]

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C Program – Adding two no without using + operator

May 11, 2011

//Downloaded From theonlinetutorials.com //Source code #include<stdio.h> #include<conio.h> int main() { clrscr(); int a=3000,b=20,sum; char *p; p=(char *)a; sum= (int)&p[b]; //adding a & b printf(“Answer is :”); printf(“%d”,sum); getch(); return 0; }

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C++ Program – Remove duplication of the word

May 11, 2011

//Downloaded From theonlinetutorials.com //Source code #include<iostream.h> #include<conio.h> #include<stdio.h> #include<string.h> void dop(char s[]) { char a[100],b[100]; a[0]=NULL; b[0]=NULL; int flag=0,sa=0; for(int i=0;i<=strlen(s);i++) { if(s[i]==’ ‘||s[i]==NULL) { b[sa]=’ ‘; sa++; b[sa]=NULL; flag=1; } else { b[sa]=s[i]; sa++; } if(flag==1) { if(strcmp(a,b)==0) { for(int j=(i-sa);j<=strlen(s);j++) { s[j]=s[j+sa]; } i=i-sa; } flag=0; sa=0; strcpy(a,b); } } } int main() [...]

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C++ Program – Display Fun Stars

May 11, 2011

//Downloaded From theonlinetutorials.com //Source code #include<iostream.h> #include<conio.h> int main() { int n,i,j; cout<<”Enter an integer value below 200 :”; cin>>n; for(i=0;i<n;i++) { for( j=0;j<i;j++) cout<<” “; cout<<”*”; for( j=1;j<=2*(n-i)-1;j++) { cout<<” “; } cout<<”*”; cout<<endl; } for(j=0;j<i;j++) cout<<” “; cout<<”*”<<endl; for(i=n-1;i>=0;i–) { for( j=0;j<i;j++) cout<<” “; cout<<”*”; for( j=1;j<=2*(n-i)-1;j++) { cout<<” “; } cout<<”*”; cout<<endl; [...]

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C program – Calculate the factorial of a number using recursion

May 11, 2011

//Downloaded From theonlinetutorials.com //Source code #include”stdio.h” #include”conio.h” int fac(int n){ if(n<0) return 0; if(n==1||n==0) return 1; else return n*fac(n-1); } int main() { int n=5; int i; printf(“Enter the no to find the factorail \n”); scanf(“%d”,&n); printf(“Factorail of the no is %d “,fac(n)); getch(); return 0; }

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C Program – Print fun with pyramid

May 9, 2011

//Downloaded From theonlinetutorials.com #include”stdio.h” #include<conio.h> void main() { int a; int i,j,k; clrscr(); printf(” Enter an integer value: “); scanf(“%d”,&a); for(i=0;i<=2*a+1;i++) printf(“*”); printf(“\n”); for(i=1;i<=a-1;i++) { for(j=a;j>=i;j–) printf(“*”); printf(” “); for(j=a;j>=i;j–) printf(“*”); printf(“\n”); } printf(“*Theonlinetutorials.com \n”); for(i=2;i<=a;i++) { for(j=1;j<=i;j++) printf(“*”); printf(” “); for(j=1;j<=i;j++) printf(“*”); printf(“\n”); } for(i=0;i<=2*a+1;i++) printf(“*”); getch(); }

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C Program – Find whether a given number is a multiple of 3 or not

May 9, 2011

//Downloaded From theonlinetutorials.com #include”stdio.h” #include”conio.h” #include”math.h” void main() { int n; clrscr(); printf(” Enter a number: “); scanf(“%d”,&n); n=abs(n); while(n>3) n-=3; if(n==3) printf(“no is multiple of 3″); else printf(“no is not multiple of 3″); getch(); }

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C Program – Timer program with loop breaking

May 9, 2011

//Downloaded From theonlinetutorials.com #include “stdio.h” #include “conio.h” #include “dos.h” int main() { int i,flag=0; char s[100]; clrscr(); for(i=30;i>=0;i–) { if(kbhit()) { scanf(“%s”,s);//User want to take input flag=1;//Call the operation you require break;//Terminate the loop } delay(1000); printf(“\n00:%2d”,i); } if(flag==1) printf(“User entered %s”,s);//If user entered a value display it getch(); return 0; }

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C Program – Timer program

May 9, 2011

//Downloaded From theonlinetutorials.com #include “stdio.h” #include “conio.h” #include “dos.h” int main() { int i; char s[100]; clrscr(); for(i=30;i>=0;i–) { delay(1000); printf(“\n00:%2d”,i); } printf(“Timer finished”); getch(); return 0; }

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C++ Program – Find the 2 largest number from the given set of numbers

May 9, 2011

//Downloaded From theonlinetutorials.com #include<iostream.h> #include<conio.h> int main() { int a[1000],n,max,max1; cout<<”How many no you will input”<<endl; cin>>n; for(int i=0;i<n;i++) { cin>>a[i]; } //Escape When two input are not avaliable if(n<=1) { cout<<”Maximu two No are”<<endl; for(int i=0;i<n;i++) { cout<<a[n]<<endl; } return 0; } //store maximu value between a[0] and a[1] max=a[0]>a[1]?a[0]:a[1]; max1=a[0]<a[1]?a[0]:a[1]; for(i=2;i<n;i++) { if(a[i]>max1) [...]

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C Program – Call a function before main

May 9, 2011

//Downloaded From theonlinetutorials.com #include<stdio.h> #include<conio.h> void v(void); #pragma startup v int main() { printf(“    You are in Main”); getch(); return 0; } void v(void) { clrscr(); printf(“You are in v”); }

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C Program – Display all type of pyramids

May 9, 2011

//Downloaded From theonlinetutorials.com #include<stdio.h> #include<conio.h> void main() { int n=6,k,i,j; clrscr(); printf(“How many star you want “); scanf(“%d”,&n); for(i=1;i<=n;i++) { printf(“\n”); for(j=1;j<=i;j++) printf(” *”); } getch(); for(i=1;i<=n;i++) { printf(“\n”); for(k=n;k>=i;k–) printf(” “); for(j=1;j<=i;j++) printf(” *”); } getch(); for(i=1;i<=n;i++) { printf(“\n”); for(k=n;k>=i;k–) printf(” “); for(j=1;j<=i;j++) printf(“*”); } printf(“\n”); getch(); for(i=1;i<=n;i++) { printf(“\n”); for(k=1;k<=i;k++) printf(” “); for(j=n;j>=i;j–) [...]

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C Program – Print the number which are not occurred in Fibonacci Series

May 9, 2011

//Downloaded From theonlinetutorials.com #include<stdio.h> int fib(int n) { if(n==1) return 0; if(n==2) return 1; else return fib(n-2)+fib(n-1); } int main() { int n,on=0,nn,cou,i; printf(“Enter the no to which you want to print all no which did not occur in fib series”); scanf(“%d”,&n); cou=1; printf(“\nNumber which are not occured in the series are\n”); while((nn=fib(cou))<=n) { cou++; [...]

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C++ Program – Matrix Multiplication

May 9, 2011

//Downloaded From theonlinetutorials.com #include<iostream.h> #include<conio.h> #define size 100 void dis(int *a,int r1,int c1) { for(int i=0;i<r1;i++) { for(int j=0;j<c1;j++) { cout<<*(a+i*size+j)<<”\t”; } cout<<endl; } } void getd(int *a,int *r1,int *c1) { cout<<”Enter no of row”; cin>>*r1; cout<<”Enter no of col”; cin>>*c1; cout<<”Now enter the data”; for(int i=0;i<*r1;i++) { for(int j=0;j<*c1;j++) { cin>>*(a+i*size+j); } cout<<endl; } [...]

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C Program – Random Float number Generator

May 9, 2011

//Downloaded From theonlinetutorials.com #include”stdio.h” #include”stdlib.h” #include”time.h” #include”limits.h” float Frand(int n) { float m; m=(float)(rand())/RAND_MAX; m+=rand()%n; return m; } float Frand1(int n) { float m,temp; temp=(float)rand()/RAND_MAX; m=n*temp; return m; } int main() { int  n,i; printf(“Enter a int no to which you want to generate an random float no”); scanf(“%d”,&n); printf(“This program will be tested 10 [...]

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Nesting of loops in C++

May 7, 2011

When a loop is written inside other loop, then the representation is know as the nesting of looping constructs. In this representation,the child loop is executed fully and then the control is transferred to its parent loop for the next repetition. Example program: #include<iostream.h> #include<conio.h> void main() { char ans=’y’; int x=1,y; while(ans!=’n’||ans!=’N’) { count<<”Enter [...]

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