1. To Store the of marks scored by students
#include<stdio.h>
int main()
{
int i,n,marks;
char name[30];
printf("Enter the number of students:");
scanf("%d",&n);
for(i=1;i<=n;i++)
{
printf("Enter the name:",name);
scanf("%s",name);
printf("Enter marks:",marks);
scanf("%d",&marks);
}
return 0;
}
Output:-
Enter the number of students:4
Enter the name:Sarvansh
Enter the marks:6
Enter the name:Sahil
Enter the marks:7
Enter the name:Ritik
Enter the marks:8
Enter the name:Manthan
Enter the marks:9
2. Program to add 2 numbers:-
#include<stdio.h>
int main()
{
int a,b,c;
printf("Enter the value of a:");
scanf("%d",&a);
printf("Enter the value of b:");
scanf("%d",&b);
printf("The sum of a and b is %d",c=a+b);
return 0;
}
Output:-
Enter the value of a:33
Enter the value of b:56
The sum of a and b is 89
3. Program to print any table:-
#include<stdio.h>
int main()
{
int x, y, z;
printf("Enter the table you want to print:");
scanf("%d",&x);
for(y=1;y<=10;y++)
{
printf("\n%d x %d =%d\n",x,y,z=x*y);
}
return 0;
}
Output:-
Enter the table you want to print:89
89 x 1=89
89 x 2=178
89 x 3=267
89 x 4=356
89 x 5=445
89 x 6=534
89 x 7=623
89 x 8=712
89 x 9=801
89 x 10=890
4. Program to print hello world
#include<stdio.h>
int main()
{
puts("_____________");
puts("|Hello World"|);
puts("_____________");
}
Output:-
_____________
|Hello World|
_____________
5. To print PPS Using puts:-
#include<stdio.h>
int main()
{
puts("PPPPP PPPPP SSSS ");
puts("P P P P S ");
puts("P P P P S ");
puts("P P P P S ");
puts("PPPPP PPPPP SSS ");
puts("P P S ");
puts("P P S ");
puts("P P S ");
puts("P P SSSS ");
}
Output:-
PPPPP PPPPP SSSS
P P P P S
P p P P S
P p P P S
PPPPP PPPPP SSS
P P S
P P S
P P S
P P SSSS
6. Program to print a calcuator:-
#include<stdio.h>
int main()
{
puts("\n\
_______________\n\
| 1 | 2 | 3 | |\n\
|___|___|___| |\n\
| 4 | 5 | 6 | + |\n\
|___|___|___|___|\n\
| 7 | 8 | 9 | - |\n\
|___|___|___|___|\n\
| 0 | * |\n\
|___________|___|\n");
}
Output:-
_______________
| 1 | 2 | 3 | |
|___|___|___| |
| 4 | 5 | 6 | + |
|___|___|___|___|
| 7 | 8 | 9 | - |
|___|___|___|___|
| 0 | * |
|___________|___|
7. To print a face using puts:-
#include<stdio.h>
int main()
{
puts(" OOOOOOOO ");
puts(" O ^ ^ O ");
puts(" O - - O ");
puts(" O O ");
puts(" O ^ O ");
puts(" O O ");
puts(" O ----- O ");
puts(" O O ");
puts(" OOOOOOOO ");
}
Output:-
OOOOOOOO
O ^ ^ O
O - - O
O O
O ^ O
O O
O ----- O
O O
OOOOOOOO
8. To Identify prime numbers:-
#include<stdio.h>
int main()
{
int i, n, count=0;
printf("Enter the Number:");
scanf("%d",&n);
for(i=1;i<=n;i++)
{
if(n%i==0)
{
count ++;
}
}
if(count==2)
printf("Its a Prime Number");
else
printf("Its not a prime Number");
}
Output:-
Enter the number:23
Its a Prime Number
9. Program of Multiplication of 2x2 Matrix
#include<stdio.h>
int main()
{
float a,b,c,d,e,f,g,h,i,j,k,l;
printf("\nSample of Ist matrix: | a=1 b=2 |\n | c=3 d=4 |\n\n\
Sample of 2nd matrix: | e=5 f=6 |\n | f=7 h=8 |\n\n");
printf("Enter The Valve of a: ");
scanf("%f",&a);
printf("Enter The Valve of b: ");
scanf("%f",&b);
printf("Enter The Valve of c: ");
scanf("%f",&c);
printf("Enter The Valve of d: ");
scanf("%f",&d);
printf("Enter The Valve of e: ");
scanf("%f",&e);
printf("Enter The Valve of f: ");
scanf("%f",&f);
printf("Enter The Valve of g: ");
scanf("%f",&g);
printf("Enter The Valve of h: ");
scanf("%f",&h);
i=(a*e)+(b*g);
j=(a*f)+(b*h);
k=(c*e)+(d*g);
l=(c*f)+(d*h);
printf("\nMultiplication of A,B is: | %.2f %.2f |\n | %.2f %.2f |",i,j,k,l);
return 0;
}
Output:-
Sample of Ist matrix: | a=1 b=2 |
| c=3 d=4 |
Sample of 2nd matrix: | e=5 f=6 |
| f=7 h=8 |
Enter The Valve of a: 5
Enter The Valve of b: 6
Enter The Valve of c: 7
Enter The Valve of d: 3
Enter The Valve of e: 2
Enter The Valve of f: 3
Enter The Valve of g: 3
Enter The Valve of h: 5
Multiplication of A,B is: | 28.00 45.00 |
| 23.00 36.00 |
10. Program to multily 2 numbers using Function:-
#include<stdio.h>
float guna(float a, float b);
int main()
{
float a, b, multi;
printf("Enter the 1st Value:");
scanf("%f",&a);
printf("Enter the 2nd Value:");
scanf("%f",&b);
multi=guna(a,b);
printf("Multiplication of a and b is%.3f", multi);
return 0;
}
float guna(float a, float b)
{
return a*b;
}
Output:-
Enter the 1st Value:5
Enter the 2nd Value:4
Multiplication of a and b is 20.000
11. Program to find Area of the Circle:-
#include<stdio.h>
int main()
{
float r, A;
float pi = 22/7;
printf("Enter the Radius of Circle:");
scanf("%f",&r);
A = pi*r*r;
printf("Area of Circle is %.3f",A);
return 0;
}
Output:-
Enter the Radius of Circle:4
Area of Circle is 48.000
12. Program to Find Average of Three numbers:-
#include<stdio.h>
int main()
{
float a, b, c, d;
printf("Enter the value of a:");
scanf("%f",&a);
printf("Enter the value of b:");
scanf("%f",&b);
printf("Enter the value of c:");
scanf("%f",&c);
printf("The average of a, b and c is %.2f",d=(a+b+c)/3);
return 0;
}
Output:-
Enter the value of a:6
Enter the value of b:9
Enter the value of c:19
The average of a, b and c is 11.33
13. Program which can find the maximum among 2 numbers:-
#include<stdio.h>
int main()
{
float a, b;
printf("Enter the 1st number:",a);
scanf("%f",&a);
printf("Enter the 2nd number:",b);
scanf("%f",&b);
if(a>b)
{
printf("%.2f is greater than %.2f",a, b);
}
else
{
printf("%.2f is greater than %.2f",b, a);
}
return 0;
}
Output:-
Enter the 1st number:45.32
Enter the 2nd number:45.48
45.48 is greater than 45.32