Simple Structure Program

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C Structures

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Simple Structure Program

/* =========================================================== File Name : SimpleStr.c WebSite : http://programmingin-cpp.blogspot.in/ Facebook : https://www.facebook.com/ProgrammingInCPP Twitter ID : https://twitter.com/ProgrammingCPP Created By : Bintu Chaudhary =========================================================== */ #include<stdio.h>#include<conio.h>struct str { char name[10],city[20]; }; void main() { struct str obj1={"Bintu","Muktsar"}; clrscr(); printf("Name=%s",obj1.name); printf("\n City=%s",obj1.city); getch(); }



Note:- struct is the keyword which we can't use as a variable.

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Pointer Program Using Function (Pass By Reference)

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C Pointers

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Pointer Program Using Function (Pass By Reference)

/*Pointer Program Using Function (Pass By Reference) */ #include<stdio.h>#include<conio.h>void main() { int a,b; void interchange(int *, int *); clrscr(); printf("Enter the Two No."); scanf("%d%d",&a,&b); interchange(a,b); getch(); } void interchange(int *x, int *y) { int t; t = *x; *x = *y; *y = t; printf("A=%d B=%d", *x,*y); }

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Pointer Program

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C Pointers

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Pointer

#include<stdio.h>#include<conio.h>void main() { int a,b; int *p,**t; a = 10; b = 30; p = & a; printf("\a = %d",a); /* 10 */ printf("\a = %u",&a); /* 4080 */ printf("\a = %d",*(&a)) ; /* 10 */ printf("\P = %u",p) ; /* 4080 */ printf("\P = %u",&p) ; /* 8080 */ printf("\P = %d",*p) ; /* 10 */ printf("\P = %d",*(&p)) ; /* 10 */ t = & p; printf("\T = %u",t) ; /* 8080 */ printf("\T = %u,&t) ; /* 2040 */ printf("\T = %u",*(&t)) ; /* 4080 */ printf("\T = %d",**(&t)) ; /* 10 */ printf("\T = %d",**t) ; /* 10 */ getch(); }

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Recursion Function

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C Functions

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Recursion Function

/*Recursion Function*/ #include<stdio.h>#include<conio.h>void main() { int n,r; clrscr(); int fact(int n); printf("Enter the No."); scanf("%d",&n); r = fact(n); printf("%d",r); getch(); } int fact(int n) { int f; if(n==1) return (1); else f = n * fact (n-1); return(f); }

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Function with argument and return value

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C Functions

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Function with argument and return value

/*Function with argument and return value*/ #include<stdio.h>#include<conio.h>void main() { int a,b,c; int Sum(int,int); clrscr(); c = Sum(a,b); printf("Sum=%d", c); getch(); } int Sum(int x,int y) { int z; s = x + y; return (z); }

Output is as:

Enter the Two No. for Sum :
10
10
Sum= 20

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Function with no argument and return value

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C Functions

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Function with no argument and return value

/*Function with no argument and return value*/ #include<stdio.h>#include<conio.h>void main() { int c; int Sum(); clrscr(); c = Sum(); printf("Sum=%d", c); getch(); } int Sum() { int a,b,s; printf("\n Enter the Two No. for Sum :\n"); scanf("%d%d",&a,&b); s = c + b; return (s); }

Output is as:

Enter the Two No. for Sum :
10
10
Sum= 20

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Function with argument and no return value

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C Functions

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Function with argument and no return value

/*Function with argument and no return value*/ #include<stdio.h>#include<conio.h>void main() { int a,b; clrscr(); Sum(int,int); printf("\n Enter the Two No. for Sum :\n"); scanf("%d%d",&a,&b); Sum(a,b); getch(); } Sum(int x,int y) { int sum; sum= x + y; printf("Sum=%d", sum); }

Output is as:

Enter the Two No. for Sum :
10
10
Sum= 20

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Function with no argument and no return value.

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C Functions

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Function with no argument and no return value

/*Function with no argument and no return value*/ #include<stdio.h>#include<conio.h>void main() { clrscr(); Sum(); Sum(); getch(); } Sum() { int a,b,c; printf("\n Enter the Two No. for Sum :\n"); scanf("%d%d",&a,&b); c= a +b; printf("Sum=%d", c); }

Output is as:

Enter the Two No. for Sum :
10
10
Sum= 20

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Program to print a line of text by using the function

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C Functions

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A Simple Function

#include<stdio.h>#include<conio.h>void main() { clrscr(); fun(); printf("\n I am a Good Boy \n"); fun(); getch(); } fun() { return; }

Output

I am a Good Boy

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strrev() - String Handling Functions

/*Write a program to print the reverse String*/ #include<stdio.h>#include<conio.h>#include<string.h>void main() { char name[20]; clrscr(); printf("Enter the Name:\n"); scanf("%s",name); strrev(name); printf("\n Reverse String=%d",name getch(); }

Output is as :
Enter the Name
Laura
aruaL

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strlen() - String Handling Functions

/*Write a program to print the length of String*/ #include<stdio.h>#include<conio.h>#include<string.h>void main() { char name[20]; int len=0; clrscr(); printf("Enter the Name:\n"); scanf("%s",name); len = strlen(name); printf("\n Length of String=%d",len getch(); }

Output is as :
Enter the Name
Laura
Length of String=5

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strcpy() - String Handling Functions

/*Write a program to copy one string into another string*/ #include<stdio.h>#include<conio.h>#include<string.h>void main() { char name1[20], name2[10]; clrscr(); printf("Enter the two Names:\n"); scanf("%s%s",name1,name2); i = strcpy(name1,name2); printf("\n Copy String=%s",name1 getch(); }

Output is as :
Enter the two Names
Bintu
Chaudhary
Bintu Chaudhary

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stcmp() - String Handling Functions

/*Write a program to compare two string*/ #include<stdio.h>#include<conio.h>#include<string.h>void main() { char name1[10], name2[10]; int i=0; clrscr(); printf("Enter the two Names:\n"); scanf("%s%s",name1,name2); i = strcmp(name1,name2); if(i==0) { printf("Both String are equal"); } else { printf("Both String are not equal"); } getch(); }

Output is as :
Enter the two Names
Bintu
Chaudhary
Both String are not equal

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stcat() - String Handling Functions

/*Write a program to concatenate two string*/ #include<stdio.h>#include<conio.h>#include<string.h>void main() { char name1[10], name2[10]; clrscr(); printf("Enter the two Names:\n"); scanf("%s%s",name1,name2); strcat(name1,name2); printf("%s",name1); getch(); }

Output is as :
Enter the two Names
Bintu
Chaudhary
BintuChaudhary

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Two-Dimensional Array

/*Below program showing Two Dimensional array...*/ #include<stdio.h>#include<conio.h>void main() { int a[2][2],r,c; clrscr(); printf("\n\tTwo Dimensional Array\t\n"); printf("\n\t======================\t\n"); printf("\n\tEnter the Rows and Columns:\t\n"); for(r=0;r<2;r++) { for(c=0;c<2;c++) { scanf("%d",&a[r][c]); } } printf("\n\tAfter the Inputting Array:\t\n"); for(r=0;r<2;r++) { for(c=0;c<2;c++) { printf("\t %d \t",a[r][c]); } printf("\n"); } getch(); }

Output is as :

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Linear Array or One/Single Dimensional Array

/*Below program showing Liner array...*/ #include<stdio.h>#include<conio.h>void main() { int a[5],i,sum=0; clrscr(); printf("\n Enter the Number:"); for(i=0;i<5;i++) { scanf("\t%d",&a[i]); } printf("\n After the Inputting Array:\n"); for(i=0;i<5;i++) { printf("\na[%d]=%d"i,a[i]); sum = sum + a[i]; } printf("\nSum=%d",sum); getch(); }

Output is as :

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Continue statement

/*The following program using continue statement*/ #include< stdio.h >#include< conio.h >void main() { int i=1; clrscr(); while(i<=10) { if(i==6) { continue; } printf("\n I=%d",i); i++; } getch(); }

Output is as :
I=1
I=2
I=3
I=4
I=5
I=7
I=8
I=9
I=10

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break statement

/*The following program using break statement*/ #include< stdio.h >#include< conio.h >void main() { int i=1; clrscr(); while(i<=10) { if(i==6) { break; } printf("\n I=%d",i); i++; } getch(); }

Output is as :
I=1
I=2
I=3
I=4
I=5

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goto statement

/*The following program using goto statement*/ #include< stdio.h >#include< conio.h >void main() { int l; clrscr(); Laura: //here Laura is the name of goto Label printf("Enter any No."); scanf("%d",&l); if(l==5) { goto Laura; } printf("\n%d",l); getch(); }

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Nested for loop statement

/*Write a Program to print the below output using nested for loop * ** *** **** ***** */ #include< stdio.h >#include< conio.h >void main() { int r,c; clrscr(); for(r=1;r<=5;r++) { for(c=1;c<=r;c++) { printf("*"); } printf("\n"); } getch(); }

Output is as :
*
**
***
****
*****

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for Statement or for loop

/*Write a Program to print the 1 To 10 Numbers using for loop*/ #include< stdio.h >#include< conio.h >void main() { int i; clrscr(); for(i=1;i<=10;i++) //initial value;test condition;increment/decrement { printf("\n I=%d",i); } getch(); }

Output is as :
I=1
I=2
I=3
I=4
I=5
I=6
I=7
I=8
I=9
I=10

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do Statement or do loop

/*Write a Program to print the 1 To 10 Numbers using do loop*/ #include< stdio.h >#include< conio.h >void main() { int i,n=10; clrscr(); do { printf("I=%d",i); i++; } while(i<=n); getch(); }

Output is as :
I=1
I=2
I=3
I=4
I=5
I=6
I=7
I=8
I=9
I=10

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While Statement or While loop

/*The easiest way to use while statement or while loop*/ #include< stdio.h >#include< conio.h >void main() { int i,s=0; clrscr(); i=1; while(i<=10) { printf("\n I=%d",i); s = s + i; i++; } getch(); }

Output is as :
I=1
I=2
I=3
I=4
I=5
I=6
I=7
I=8
I=9
I=10

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Conditional Control Statement ? :

/*The easiest way to use conditional control statement*/ #include< stdio.h >#include< conio.h >void main() { int n; clrscr(); n%4==0 ? printf("Leap Year") : printf("Not Leap Year"); //OR //printf(n%4==0 ? "Leap Year" : "Not Leap Year"); getch(); }

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Switch Statement

/*WAP to print the four-days of week from monday to thrusday which works upon the choice as S,M,T,H using switch case*/ #include< stdio.h >#include< conio.h >void main() { char n; clrscr(); printf("Enter the Choice from Four Days...\n") printf("S = Sunday \n") printf("M = Monday \n") printf("T = Tuesday \n") printf("H = Thursday \n\n") scanf("%c",&n); switch(n) { case 'S': printf("Sunday"); break; case 'M': printf("Monday"); break; case 'T': printf("Tuesday"); break; case 'H': printf("Thursday"); break; default: printf("Out of Choice"); break; } getch(); }

Output is as :
Enter the Choice from Four Days...
S = Sunday
M = Monday
T = Tuesday
H = Thursday

S
Sunday

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Ladder if or else if statement

The marks obtained by a student in 5 different subjects are input through the keyboard. The student gets a division as per the following rules:

=> Percentage above or equal to 60 - First Division
=> Percentage between 50 and 59 - Second Division
=> Percentage between 40 and 49 - Third Division
=> Percentage less than 40 - Fail

Method: 1

/*Write a program to calculate the division obtained by the student. There are two ways in which we can write a program for this example. These methods are given below: */ //Method-1 #include< stdio.h >#include< conio.h >void main() { int eng,math,com,sci,ss,total; float per; clrscr(); printf("Enter Five Subjects Marks\n"); scanf("%d%d%d%d%d",&eng,&math,&com,&sci,&ss); total = eng + math + com + sci + ss ; printf("Toal Marks : %d",total); per = total * 100.00 / 500; printf("\n Percentage : %f", per); if(per >= 60) { printf("\n 1st Division"); } else if(per >= 50) { printf("\n 2nd Division"); } else if(per >= 40) { printf("\n 3rd Division"); } else { printf("\n Sorry Fail"); } getch(); }


Method: 2

//Method-2 #include< stdio.h >#include< conio.h >void main() { int eng,math,com,sci,ss,total; float per; clrscr(); printf("Enter Five Subjects Marks\n"); scanf("%d%d%d%d%d",&eng,&math,&com,&sci,&ss); total = eng + math + com + sci + ss ; printf("Toal Marks : %d",total); per = total * 100.00 / 500; printf("\n Percentage : %f", per); if(per >= 60) { printf("\n 1st Division"); } if(per >= 50 && per < 60) { printf("\n 2nd Division"); } if(per >= 40 && per < 50) { printf("\n 3rd Division"); } if(per < 40) { printf("\n Sorry Fail"); } getch(); }

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nested if statement

/*If the ages of Ram, sham and Ajay are input through the keyboard, write a program to determine the youngest of the three*/ #include< stdio.h >#include< conio.h >void main() { int ram,sham,ajay; clrscr(); printf("Enter the Three Ages of Ram,Sham and Ajay\n"); scanf("%d%d%d",&ram,&sham,&ajay); if(ram < sham) { if(ram < ajay) { printf("Ram is Youngest"); } else { printf("Ajay is Youngest"); } } else { if(sham < ajay) { printf("Sham is Youngest"); } else { printf("Ajay is Youngest"); } } getch(); }

Output is as :
Enter the three Ages of Ram,Sham and Ajay
14
17
19
Ram is Youngest

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if-else statement - C Programming

/*Any Number is input through the keyboard. write a program to find out whether It is and Odd Number or Even Number.*/

#include< stdio.h >#include< conio.h >void main() { int n; n=1; clrscr(); printf("Enter the Number"); scanf("%d",&n); if(n%2==0) { printf("This is Even Number"); } else { printf("This is Odd Number"); } getch(); }

Output is as :
Enter the Number
4
This is Even Number

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