C Language Fundamentals
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My Best Collection of 'c' language program Notes.......!!!
![βCβ LANGUAGE
POP OOP
( Procedure Oriented program ) ( Object Oriented Program )
FUNCTION
BUILT IN FUNCTION USER DEFINE FUNCTION
1) 1959 β ALGOL ( Algoritham Oriented Language )
2) 1962 β BCPL ( Basic Common Program language )
3) 1972 β Dennis Ritchi ( Bell Laboratory ) [ USA ] ββcββ
Turbo C2 β βcβ
Turbo C3 β βcβ & βC ++β
(Tc300)
(Tc)
C:Windows>cd.. Enter
C:>Cdtc Enter
C:Tc>CdBin Enter
C:TcBin>Tc Enter
Structure of βCβ Program
# include<stdio.h>
# include<conio.h>
Void main ( )
{
Clrscr ( );
Printf (β Message 1β);
CREATE BY [ A.P ] 1](https://image.slidesharecdn.com/clanguagenotesa-p-110830164804-phpapp01/85/C-language-notes-a-p-1-320.jpg)
![βCβ LANGUAGE
Printf (β Message 2β); } ( The lines up & down Type βn )
}
1) Compile β Alt + F9
2) Run Program β Ctrl + F9
3) Display Final Output Alt + F5
Data Types
1) Integer β Number without Decimal
Range- ( -31768 to +31767 )
Format- ( % d )
Memory size- 2 Byte
Example- int a,b
2) Float β Decimal Values
Range- 10-38 to 1038
Memory size- 4 byte
Format- ( % f )
Example- float x,y
3) Double- Range-10-38 to 10308
Memory size- 8 bytes
Format- ( % l d )
Example- double a,b
4) Long Double β Memory size- 10 byte
Format- ( %L )
Example- x,y
5) Character- Memory size- 1 byte
Format- ( % c ) For one Letter
( % s ) For strength
Program 1
#include<stdio.h>
#include<conio.h>
void main ()
{
CREATE BY [ A.P ] 2](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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C Language Fundamentals
- 1. βCβ LANGUAGE POP OOP ( Procedure Oriented program ) ( Object Oriented Program ) FUNCTION BUILT IN FUNCTION USER DEFINE FUNCTION 1) 1959 β ALGOL ( Algoritham Oriented Language ) 2) 1962 β BCPL ( Basic Common Program language ) 3) 1972 β Dennis Ritchi ( Bell Laboratory ) [ USA ] ββcββ Turbo C2 β βcβ Turbo C3 β βcβ & βC ++β (Tc300) (Tc) C:Windows>cd.. Enter C:>Cdtc Enter C:Tc>CdBin Enter C:TcBin>Tc Enter Structure of βCβ Program # include<stdio.h> # include<conio.h> Void main ( ) { Clrscr ( ); Printf (β Message 1β); CREATE BY [ A.P ] 1
- 2. βCβ LANGUAGE Printf (β Message 2β); } ( The lines up & down Type βn ) } 1) Compile β Alt + F9 2) Run Program β Ctrl + F9 3) Display Final Output Alt + F5 Data Types 1) Integer β Number without Decimal Range- ( -31768 to +31767 ) Format- ( % d ) Memory size- 2 Byte Example- int a,b 2) Float β Decimal Values Range- 10-38 to 1038 Memory size- 4 byte Format- ( % f ) Example- float x,y 3) Double- Range-10-38 to 10308 Memory size- 8 bytes Format- ( % l d ) Example- double a,b 4) Long Double β Memory size- 10 byte Format- ( %L ) Example- x,y 5) Character- Memory size- 1 byte Format- ( % c ) For one Letter ( % s ) For strength Program 1 #include<stdio.h> #include<conio.h> void main () { CREATE BY [ A.P ] 2
- 3. βCβ LANGUAGE int num1,num2,c; clrscr(); num1=20; num2=2; c=num1+num2; printf("nTotal=%d",c); c=num1-num2; printf("nSub=%d",c); c=num1*num2; printf("nMul=%d",c); c=num1/num2; printf("nDiv=%d",c); getch(); } Program 2 #include<stdio.h> #include<conio.h> void main () { int num1,num2,c; printf("nEnter 1st no."); scanf("%d",&num1); printf("nEnter 2nd no."); scanf("%d",&num2); c=num1+num2; printf("nTotal=%d",c); getch(); } Operator 1) Arithmetic operator - +, -, *, / , % A = 100 % 6 Output A = 4 2) Relational Operator - < - Less than > - Greter than < = = - Less than equal to CREATE BY [ A.P ] 3
- 4. βCβ LANGUAGE < = = - Greter than equal to = = - Equal to ! = - Not equal to 3) Logical operator β 1) &&- And 2) | | - Or 3) ! - Not operator 4) Unary operator β 1) + + - Inerement operator 2) - - - Decrement operator 5) Assignment operator β ( = ) A = A+5 β A + = 5 A = A-3 - A - = 3 A = A*2 - A * = 2 6) Size of operator β Long double x; Int a; A = size of ( x ); Program 3 #include<stdio.h> #include<conio.h> void main() { int h,e,m,tot; float per; clrscr(); printf("nEnter marks of 3 subjects:"); scanf("%d%d%d",&h,&e,&m); tot=h+e+m; per=((float)tot/300)*100; printf("nTotal=%d",tot); printf("nper=%f",per); if(per>60) printf("nFrist"); else if(per>45&&per<60) printf("nSecond"); else if (per>=36&&per<45) CREATE BY [ A.P ] 4
- 5. βCβ LANGUAGE printf("nThird"); else printf("nFail"); getch(); } Program 4 #include<stdio.h> #include<conio.h> void main () { int a,b,c; clrscr(); printf("nEnter 3 Numbers:"); scanf("%d%d%d",&a,&b,&c); if (a>b&&a>c) printf("nA=%d",a); else if (b>a&&b>c) printf("nB=%d",b); else printf("nC=%d",c); getch(); } Program 5 #include<stdio.h> #include<conio.h> void main () { char ch; clrscr(); printf("nEnter one Letter:"); scanf("n%c",&ch); if(ch=='a'||ch=='e'||ch=='i'||ch=='o'||ch=='u') printf("nLetter is vowel"); else printf("nEnter is not vowel"); getch(); CREATE BY [ A.P ] 5
- 6. βCβ LANGUAGE } Program 6 #include<stdio.h> #include<conio.h> void main () { int year; clrscr(); printf("nEnter Year"); scanf("%d",&year); if(year%4==0) printf("nLeap Year"); else printf("nNot leap Year"); getch(); } Program 7 #include<stdio.h> #include<conio.h> void main () { int a; clrscr(); a=1; while(a<=10) { printf("n%d",a); a++; } getch(); } Program 8 #include<stdio.h> #include<conio.h> void main () CREATE BY [ A.P ] 6
- 7. βCβ LANGUAGE { int a,sum=0; clrscr(); a=1; while(a<=10) { printf("n%d",a); sum=sum+a; a++; } printf("nTotal=%d",sum); getch(); } Program 9 #include<stdio.h> #include<conio.h> void main() { int a; clrscr(); a=10; while(a>=1) { printf("n%d",a); a--; } getch(); } Program 10 #include<stdio.h> #include<conio.h> void main () { int a; clrscr(); a=1000; CREATE BY [ A.P ] 7
- 8. βCβ LANGUAGE while(a>=1) { printf("n%d",a); a=a/2; } getch(); } Program 11 #include<stdio.h> #include<conio.h> void main() { int a,b; clrscr(); a=1; while(a<=10) { b=a*a; printf("n%d",b); a++; } getch(); } Program 12 #include<stdio.h> #include<conio.h> void main() { int a,b,c; clrscr(); printf("nEnter Number:"); scanf("%d",&a); b=1; while(b<=10) { c=a*b; CREATE BY [ A.P ] 8
- 9. βCβ LANGUAGE printf("n%d",c); b++; } getch(); } Program 13 #include<stdio.h> #include<conio.h> void main() { int a,b,x,i; clrscr(); a=0; b=1; printf("n%d",a); printf("n%d",b); i=1; while(i<=10) { x=a+b; printf("n%d",x); a=b; b=x; i++; } getch(); } Program 14 #include<stdio.h> #include<conio.h> void main() { int a,b,even=0,odd=0; clrscr(); a=1; while(a<=25) CREATE BY [ A.P ] 9
- 10. βCβ LANGUAGE { printf("n%d",a); b=a%2; if(b==0) even=even+a; else odd=odd+a; a++; } printf("nEven Total=%d",even); printf("nOdd Total=%d",odd); getch(); } Program 15 #include<stdio.h> #include<conio.h> void main() { int a,fact; clrscr(); printf("nEnter no."); scanf("%d",&a); fact=1; while(a>0) { fact=fact*a; a--; } printf("nFactorial No:=%d",fact); getch(); } Program 16 #include<stdio.h> #include<conio.h> void main() { CREATE BY [ A.P ] 10
- 11. βCβ LANGUAGE int a; clrscr(); a=9+5*4-3*4/2; printf("%d",a); getch(); } Program 17 #include<stdio.h> #include<conio.h> void main() { int a; clrscr(); a=-9+4; printf("%d",a); getch(); } Program 18 #include<stdio.h> #include<conio.h> void main() { int a=5,b=7,c; clrscr(); c=a<b; printf("%d",c); getch(); } Program 19 #include<stdio.h> #include<conio.h> void main() { int a=5; CREATE BY [ A.P ] 11
- 12. βCβ LANGUAGE clrscr(); while(a) { printf("n Ram"); a--; } getch(); } Program 20 #include<stdio.h> #include<conio.h> void main() { int a,b,c; clrscr(); printf("nEnter Two Number:"); scanf("%d%d",&a,&b); printf("1-Add,2-Sub,3-Mul,4-Div"); printf("nEnter Choice:"); scanf("%d",&c); switch(c) { case 1: printf("nTotal=%d",a+b); break; case 2: printf("nSub=%d",a-b); break; case 3: printf("nMul=%d",a*b); break; case 4: printf("nDiv=%d",a/b); break; default: printf("nInvalid Number"); } getch(); CREATE BY [ A.P ] 12
- 13. βCβ LANGUAGE } Program 21 #include<stdio.h> #include<conio.h> void main() { int a; clrscr(); a=1; do { printf("n%d",a); a++; } while(a<=10); getch(); } Program 22 #include<stdio.h> #include<conio.h> void main() { int a; clrscr(); for(a=1;a<=10;a++) { printf("n%d",a); } getch(); } Program 23 #include<stdio.h> #include<conio.h> void main() { CREATE BY [ A.P ] 13
- 14. βCβ LANGUAGE int a,b,c; clrscr(); printf("nEnter Number:"); scanf("%d",&a); for (b=1;b<=10;b++) { c=a*b; printf("n%d",c); } getch(); } Program 24 #include<stdio.h> #include<conio.h> void main() { int a,b; clrscr(); for(a=1;a<5;a++) { for(b=1;b<a;b++) { printf("%d",b); } printf("n"); } getch(); } Program 25 #include<stdio.h> #include<conio.h> void main() { char name[15]; clrscr(); printf("nEnter Name:"); CREATE BY [ A.P ] 14
- 15. βCβ LANGUAGE gets(name); printf("nyour name=%s",name); getch(); } Program 26 #include<stdio.h> #include<conio.h> void main() { int x[5],a; clrscr(); for(a=0;a<=4;a++) { printf("nEnter No:"); scanf("%d",&x[a]); } for(a=0;a<4;a++) { printf("n%d",x[a]); } getch(); } CREATE BY [ A.P ] 15
- 16. βCβ LANGUAGE CREATE BY [ A.P ] 16