Predict Output

Click Here To Download C File Of This Program

 //Output of Integers  
 //Downloaded from www.c4cprog.co.nr  
 #include<conio.h>  
 void main()  
 {  
 int m=12345;  
 long int n=9876543;  
 clrscr();  
 printf("%d\n",m);  
 printf("%10d\n",m);  
 printf("%010d\n",m);  
 printf("%-10d\n",m);  
 printf("%10ld\n",n);  
 printf("%10ld\n",-n);  
 getch();  
 }  

Checking If Statements

Click Here To Download C File Of This Program

 //Program for Checking Nestyed If, Else if Ladder & Conditional Statements.  
 //Downloaded from www.c4cprog.co.nr  
 #include<conio.h>  
 void main()  
 {  
      int y,x,w;  
      clrscr();  
      printf("\n\nEnter The Val of X :");  
      scanf("%d",&x);  
      clrscr();  
      printf("\nEnter Your Choice\n1.Else If Ladder\n2.Nested If\n3.Conditional Operator\n\n");  
      scanf("%d",&y);  
 switch(y)  
 {  
 case 1:  
      if(x<0)  
      printf("\ny=1");  
      else  
      if(x==0)  
      printf("\ny=0");  
      else  
      if(x>0)  
      printf("\ny=-1");  
      break;  
 case 2:  
      if(x!=0)  
      {  
      if(x>0)  
      printf("\ny=-1");  
      else  
      printf("\ny=1");  
      }  
      else  
      printf("\ny=0");  
      break;  
 case 3:  
 (x!=0)?((x<0)?(w=1):(w=-1)):(w=0);  
 printf("\ny=%d",w);  
 break;  
 default :  
 printf("\nInvalid Choice !!!\n");  
 break;  
 }  
 getch();  
 }  
 /*  
 Enter The Val Of X : 5  
 Enter Your Choice  
 1.Else If Ladder  
 2.Nested If  
 3.Conditional Operator  
 1  
 y=-1  
 0  
 y=0  
 3  
 y=-1  
 */  

Print equation of Line

Click Here To Download C File Of This Program

 //Program 5 - To Display eq. of line in form ax+by=c  
 //Downloaded from www.c4cprog.co.nr  
 #include<conio.h>  
 void main()  
 {  
 int a=5,b=8,c=18;  
 clrscr();  
 printf("The Equation is : %dx+%dy = %d",a,b,c);  
 getch();  
 }  

Verify different Datatypes

Click Here To Download C File Of This Program

 //Program to verify different datatypes  
 //Downloaded from www.c4cprog.co.nr  
 #include<conio.h>  
 void main()  
 {  
 int a;  
 float f;  
 clrscr();  
 printf("Enter INT & FLOAT\n");  
 scanf("%i%f",&a,&f);  
 printf("\n \nDecimal = %d\nUnsigned decimal = %u\nHexadecimal Integer = %x",a,a,a);  
 printf("\nFloat = %f\nOctal = %o\nFloat = %e\nOctal = %i\nDecimal = %i\nHexadecimal = %i\n",f,a,f,a,a,a);  
 getch();  
 }  

Cout +ve & -ve Nos

Click Here To Download C File Of This Program

 //Count +ve nd -ve Nos  
 //Downloaded from www.c4cprog.co.nr  
 #include<conio.h>  
 void main()  
 {  
 int l,pos=0,neg=0,a,n=0,p=0;  
 clrscr();  
 printf("\nEnter Limit :");  
 scanf("%d",&l);  
 while(l>0)  
 {  
 scanf("%d",&a);  
 if(a>0)  
 { p++;  
 pos=pos+a; }  
 if(a<0)  
 {  
 n++;  
 neg=neg+a;  
 }  
 l--;  
 }  
 printf("\n\tThe Total +ve Nos.  : %d",p);  
 printf("\n\tThe Sum of +ve Nos.  : %d",pos);  
 printf("\n\tThe Total -ve Nos.  : %d",n);  
 printf("\n\tSum of -ve Nos.  : %d",neg);  
 getch();  
 }  

Convert Celcius To Farenheit & vice versa

Click Here To Download C File Of This Program

 <pre style="font-family:arial;font-size:12px;border:1px dashed #CCCCCC;width:99%;height:auto;overflow:auto;background:#f0f0f0;padding:0px;color:#000000;text-align:left;line-height:20px;"><code style="color:#000000;word-wrap:normal;"> //Program 4 - To Convert Celcius to Farenheit &amp; Vice Versa   
  //Downloaded from www.c4cprog.co.nr   
  #include&lt;conio.h&gt;   
  void main()   
  {   
  float f,c;   
  clrscr();   
  printf("Enter Temperature in Celcius : ");   
  scanf("%f",&amp;c);   
  f=(1.8*c)+32;   
  printf("\nTemperature in Farenheit : %f",f);   
  printf("\n\nEnter Temperature in Farenheit : ");   
  scanf("%f",&amp;f);   
  c=(f-32)/1.8;   
  printf("\nTemperature in Celcius : %f",c);   
  getch();   
  }   
 </code></pre>  

Arithmetic Operations

Click Here To Download C File Of This Program

 //ARITHMETIC OPERATIONS
//Downloaded from www.c4cprog.co.nr
#include<conio.h>
void main()
{
int a,b,sum,diff,mult,mod;
float div;
clrscr();
printf("Enter Numbers A & B :\n");
scanf("%d%d",&a,&b);
sum=a+b;
diff=a-b;
mult=a*b;
div=a/b;
mod=a%b;
printf("\nResult\n\nSum = %d\nDifference = %d\nProduct = %d\nQuotient = %f\nRemainder = %d\n",sum,diff,mult,div,mod);
getch();
}

Area Of Circle

Click Here To Download C File Of This Program

 //Program 3 : Area of Circle from Radius 
//Downloaded from www.c4cprog.co.nr 
#include<conio.h> 
#define pi 3.14 
void main() 
{ 
int r; 
float a,c; 
clrscr(); 
printf("Enter The Radius \n"); 
scanf("%d",&r); 
a=pi*r*r; 
c=2*pi*r; 
printf("The Area is : %f",a); 
printf("\nThe Circumference is : %f",c); 
getch(); 
} 

Add 2 nos.

Click Here To Download C File Of This Program

 //Program 2 to add 2 Nos. 
//Downloaded from www.c4cprog.co.nr 
#include<conio.h> 
void main() 
{ 
int a,b,c; 
clrscr(); 
printf("Enter 2 Nos. : "); 
scanf("%d%d",&a,&b); 
c=a+b; 
printf("The Sum is : %d",c); 
getch(); 
}