#include<stdio.h>
int main(void)
{
printf("Hello World");
return 0;
}
#include<stdio.h>
int main(void)
{
printf("Programming is fun.\n");
printf("And programming in C is even more fun!\n");
return 0;
}
#include<stdio.h>
int main(void)
{
int celsius,fahr;
fahr=100;
celsius=5*(fahr-32)/9;
printf("fahr=%d,celsius=%d\n",fahr,celsius);
return 0;
}
#include<stdio.h>
int main(void)
{
double x, y;
printf("Enter x(x>=0):\n");
scanf("%lf",&x);
if(x<=15){
y = 4 * x / 3;
}
else{
y = 2.5 * x- 10.5;
}
printf("y=f(%f)=%.2f\n",x, y);
return 0;
}
#include<stdio.h>
#include<math.h>
int main(void)
{
int money,year;
double rate,sum;
printf("Enter money:");
scanf("%d",&money);
printf("Enter year:");
scanf("%d",&year);
printf("Enter rate;");
scanf("%lf",&rate);
sum=money *pow(1+rate,year);
printf("sum=%.2f\n",sum);
return 0;
}
#include<stdio.h>
int main(void)
{
int fahr,lower,upper;
double celsius;
printf("Enter lower:");
scanf("%d",&lower);
printf("Enter upper:");
scanf("%d",&upper);
printf("fahr celsius\n");
for(fahr=lower;fahr<=upper;fahr++){
celsius=(5.0/9.0)*(fahr-32);
printf("%d%6.1f\n",fahr,celsius);
}
return 0;
}
#include<stdio.h>
int main(void)
{
int i,n,sum;
printf("Enter n:");
scanf("%d",&n);
sum=0;
for(i=1;i<=n;i++){
sum=sum+i;
}
printf("Sum of numbers from 1 to %d is %d\n",n,sum);
return 0;
}
#include<stdio.h>
int main(void)
{
int denominator,flag,i,n;
double item,sum;
printf("Enter n:");
scanf("%d",&n);
flag=1;
denominator=1;
sum=0;
for(i=1;i<=n;i++){
item=flag*1.0/denominator;
sum=sum+item;
flag=-flag;
denominator=denominator+2;
}
printf("sum=%f\n",sum);
return 0;
}
#include<stdio.h>
int main(void)
{
int i,n;
double product;
printf("Enter n:");
scanf("%d",&n);
product=1;
for(i=1;i<=n;i++){
product=product*i;
}
printf("product=%.0f\n",product);
return 0;
}
#include<stdio.h>
#include<math.h>
int main(void)
{
int i,n;
double power;
printf("Enter n:");
scanf("%d",&n);
for(i=0;i<=n;i++){
power=pow(2,i);
printf("pow(2,%d)=%.0f\n",i,power);
}
return 0;
}
#include<stdio.h>
double fact(int n);
int main(void)
{
int i,n;
double result;
printf("Enter n:");
scanf("%d",&n);
for(i=0;i<=n;i++){
result=fact(i);
printf("%d!=%.0f\n",i,result);
}
return 0;
}
double fact(int n)
{
int i;
double product;
product=1;
for(i=1;i<=n;i++){
product=product*i;
}
return product;
}
