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SECTION 1(INPUT AND OUTPUT).md

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1).squares in n*n board

#include <stdio.h> 
int main()
{
int n,squarecount;
scanf("%d",&n); 
squarecount = ( (n * (n+1) * (2*n + 1))/6 );
printf("%d", squarecount) ;
return 0;
}

2).Kilometers to miles

#include <stdio.h>
int main()
{
float kilometers;	
scanf("%f", &kilometers);
float miles = (kilometers*0.6213712);
printf("%f miles per hour", miles);
return 0;
}

3).Largest Number

#include <stdio.h>
int main() {
int a,b,c;
scanf("%d %d %d", &a, &b, &c);
if(a >= b && a>=c)
printf("%d",a);
if(b >=c && b >=a)
	printf("%d",b);
if(c >=a && c >= b)
    printf("%d",c);
    return 0;
}

4).Hours and Minutes

#include <stdio.h>
int main(){
int min,hrs,mins;
   	scanf("%d",&min);
		hrs=min/60;
		mins=min%60;
	printf("%d Hours, %d Minutes.",hrs,mins);
	return 0;
}

5).Vote

#include <stdio.h>
int main() {
int age;
scanf("%d",&age);
if(age<18)
   {    
      printf("Not eligible");
   }
else
  {
  printf("Eligible");
  }
return 0;
}

6).CUBE

#include <stdio.h>
int main()
{
int cube,number;
scanf("%d", &number);
cube = number * number * number;
printf("CUBE is: %d",cube);
return 0;
}

7).Minutes

#include <stdio.h>
int main() {
int hrs,mins,minutes;
scanf("%d %d", &hrs,&mins);
minutes = (mins  *  60) + (hrs [enter link description here](www.gogle.com)*60 * 60) ;
printf("%d minutes",minutes);
return 0;
}

8).Sphere

#include <stdio.h>
int main() {
float pi = 3.14, radius,volume;
scanf("%f",&radius);
volume = (4.0/3.0) * pi * (radius * radius * radius);
printf("%f",volume);
return 0;
}

9).Name and Birth

#include <stdio.h>
int main() {
char fn[30],ln[30];
int y;  
scanf("%s",fn);
scanf("%s",ln);
scanf("%d",&y);
printf("%s %s %d\n",fn,ln,y);
return 0;
}

10).Triangle

#include <stdio.h>
int main()
{
  	int ang1, ang2, ang3;
  	scanf("%d, %d", &ang1, &ang2);
  	ang3 = 180 - (ang1 + ang2);
  	printf("%d\n", ang3);
  	return 0;
}

11).Theatre Square

#include<math.h>
#include <stdio.h>
int main()
{
float m,n,o;
int p,q,r;
scanf("%f %f %f",&m,&n,&o);
p= ceil(m/o);
q= ceil(n/o);
r=p*q;
printf("%d",r);
return 0;
}

12).Pow

#include <stdio.h>
#include <math.h>
int main() {
int a,b,c;
scanf("%d%d",&a,&b);
c=pow(a,b);
printf("%d",a);
printf(" to the power of ");
printf("%d",b);
printf(" is= %d",c);
return 0;
}

13).Addition, Subtraction, multiplication, Division

#include <stdio.h>
int main() {
int add,sub,mul,p,q,mod=0;
float div;
scanf("%d,%d",&p,&q);
add=p+q;
sub=p-q;
mul=p * q;
div=p/q;
mod=p%q;
printf("\nAddition : %d",add);
printf("\nSubtraction : %d",sub);
printf("\nMultiplication : %d",mul);
printf("\nDivision : %f",div);
printf("\nMODULUS = %d",mod);
return 0;
}

14).Float and Double

#include <stdio.h>
int main() {
	float b;
double a;
scanf("%lf%f",&a,&b);
		printf("%lf\n%f",a,b);
return 0;
}

15).Sum of Three numbers

#include <stdio.h>
int main() {int a,b,c,t;
scanf("%d,%d,%d",&a,&b,&c);
 	t=a+b+c;
     printf("%d",t);
return 0;
}

16).Rectangular

#include<stdio.h>
int main()
{
int height,width,perimeter,sub;
scanf("%d%d",&height,&width);
 sub=height+width;
perimeter=sub * 2;
printf("%d",perimeter);
return 0;
}

17). Quotient and reminder

#include <math.h>
#include <stdio.h>
int main() {
int divider,divisor,quotient,remainder;
scanf("%d",&divider);
scanf("%d",&divisor);
quotient=divider/divisor;
remainder=divider%divisor;
printf("quotient: %d",quotient);
printf(", remainder: %d",remainder);
return 0;
}

18). ASCII

#include <stdio.h>
int main() {  
char c;
	scanf("%c", &c);  
	printf("%d.", c);
	return 0;
}

19). Bottle Deposits

#include <stdio.h>
#include <math.h>
int main()
{
int a, b;
float c;
scanf("%d%d",&a,&b);
c=a*0.10+5*0.25;
printf ("Refunds for Bottles=%.2f",c);
return 0;
}

20). Xavier Math

#include <stdio.h>
int main()
{
	int n, i,sum = 0;
	scanf("%d",&n);
	for(i=1;i<n; i++)
	{
   		 printf("%d+", i);
    	 sum +=i;
	}
printf("%d=%d", n, sum+n);
	return 0;
}

21). Twos Mod

#include <stdio.h>
int main()
{
int a,b,c;
scanf("%d%d",&a,&b);
c=a%b;
printf("%d",c);
return 0;
}

22). elab Fuel Bank in India

#include <stdio.h>
int main()
{
float a,b;
scanf("%f",&a);
b=282.48/a;
printf("%.2f",b);
return 0;
}

23). Sum of the series

#include <stdio.h>
int series_sum(int n)
{
return((n*(n+1)*(2*n+4))/12);
}
int main()
{
int n;
scanf("%d",&n);
printf("%d", series_sum(n));
return 0;
}

24). Welcome to world

#include <stdio.h>
int main ()
{
char n[20];
char c[20];
char p[20];
int s;
float sp;
scanf("%s",n);
scanf("%s",c);
scanf("%s",p);
scanf("%d",&s);
scanf("%f",&sp);
printf("Robot Details\n");
printf("I am the Robot named=%s\n",n);
printf("I was created by %s\n", c);
printf ("I am created for the purpose of %s\n",p);
printf("My memory space is around %dmb and my speed is %.1fTB",s,sp);
return 0;
}

25). Mathematics Double

#include <stdio.h>
int main()
{
float num1, num2;
scanf("%f", &num1);
scanf("%f", &num2);
double res1 = (double) num1;
double res2 = (double) num2;
printf("%f\n", res1);
printf("%f\n", res2);
return 0;
}

26).Tsunami Indonesia

#include <stdio.h>
int main() {
int Dead, Injured, Safe;
scanf("%d%d%d", &Dead, &Injured, &Safe);
printf("TSUNAMI REPORT\n");
printf("The number of people\n");
printf("Dead=%d\nInjured=%d\nSafe=%d",Dead, Injured, Safe);
return 0;
}

28).GRAVITY FALL

#include<stdio.h>
#include<math.h>
int main ()
{
float vf, vi=0, a=9.8,h;
scanf("%f", &h);
vf=sqrt(vi+(2*a*h));
printf("The object will hit the ground at %.2f m/s",vf);
return 0;
}

29).FEES CALCULATOR

#include <stdio.h>
int main() {
char s[1];
int sum=0;
int paper, rtee, arrear,afees;
scanf("%s", s);
scanf("%d", &paper);
scanf("%d", &rtee);
scanf("%d", &arrear);
scanf("%d", &afees);
sum=(paper*rtee)+(arrear*afees);
switch(s[0])
{
case 'A':printf("The fee to be paid is Rs=%d",sum);
break;
case 'B':printf("The fee to be paid is Rs=%d",sum=sum+5000);
break;
case 'C': printf("The fee to be paid is Rs-%d",sum=sum+1500);
break;
case 'D':printf("The fee to be paid is Rs=%d", sum=sum+6500);
break;

}
return 0;
}

IO22

TO BE CONTINUED.......