'C' language notes (a.p)

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'C' language notes (a.p)

  1. 1. ‘C’ LANGUAGE POP OOP ( Procedure Oriented program ) ( Object Oriented Program ) FUNCTION BUILT IN FUNCTION USER DEFINE FUNCTION1) 1959 – ALGOL ( Algoritham Oriented Language )2) 1962 – BCPL ( Basic Common Program language )3) 1972 – Dennis Ritchi ( Bell Laboratory ) [ USA ] ‘‘c’’ Turbo C2 – ‘c’ Turbo C3 – ‘c’ & ‘C ++’ (Tc300) (Tc)C:Windows>cd.. EnterC:>Cdtc EnterC:Tc>CdBin EnterC:TcBin>Tc Enter Structure of ‘C’ Program# include<stdio.h># include<conio.h> Void main ( ){Clrscr ( );Printf (“ Message 1”);CREATE BY [ A.P ] 1
  2. 2. ‘C’ LANGUAGEPrintf (“ Message 2”); } ( The lines up & down Type “n )} 1) Compile – Alt + F9 2) Run Program – Ctrl + F9 3) Display Final Output Alt + F5 Data Types 1) Integer – Number without Decimal Range- ( -31768 to +31767 ) Format- ( % d ) Memory size- 2 Byte Example- int a,b 2) Float – 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 – 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. 3. ‘C’ 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 toCREATE BY [ A.P ] 3
  4. 4. ‘C’ LANGUAGE < = = - Greter than equal to = = - Equal to ! = - Not equal to 3) Logical operator – 1) &&- And 2) | | - Or 3) ! - Not operator 4) Unary operator – 1) + + - Inerement operator 2) - - - Decrement operator 5) Assignment operator – ( = ) A = A+5 – A + = 5 A = A-3 - A - = 3 A = A*2 - A * = 2 6) Size of operator – 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. 5. ‘C’ 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. 6. ‘C’ 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. 7. ‘C’ 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. 8. ‘C’ 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. 9. ‘C’ 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. 10. ‘C’ 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. 11. ‘C’ 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. 12. ‘C’ 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. 13. ‘C’ 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. 14. ‘C’ 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. 15. ‘C’ 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. 16. ‘C’ LANGUAGECREATE BY [ A.P ] 16

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