1) Hello Program in C Language.

→This is my first code in this blog, it is a simple program to print hello.

#include<stdio.h>
int main()
{
printf("Hello this is my first program");
return 0;
}

Output: Hello this is my first program

Comments

Say Hello to user . Program in C

#include<stdio.h> #include<cs50.h> int main() { string name = get_string("What is your name?\n"); //To take user name printf("Hello %s\n", name); //To print name }

A simple calculator program.

→ A simple calculator using C language. In this, you can add, multiply, divide and subtract any two number. #include<stdio.h> int main() { float a,b,c; char d; printf("Enter:"); scanf("%f %c %f",&a,&d,&b); if(d=='+') { c=a+b; printf("%.2f",c); } else if(d=='-') { c=a-b; printf("%.2f",c); } else if(d=='*') { c=a*b; printf("%.2f",c); } else if(d=='/') { c=a/b; printf("%.2f",c); } } Output: Enter: 9/4 2.25

A Program to find day by entering date, month and year.

→ A C++ program by me in which you can get the day of any given date. I have written this code by using some mathematical formulas of finding day using a given date, if you find any error or if you want to give me any suggestion then please let me know. #include<iostream> using namespace std; int main() { int date,month,year; int yc,mc,cc,dn,lyc; cout<<"Enter Date, Month and Year to know the Day:"; cin>>date>>month>>year; if(month>12 || date>31) { cout<<"Wrong input"; } else{ //for year int h=year%100; yc=(h+(h/4))%7; //for leap year if(year%4 ==0) { if(year%100 ==0) { if(year%400 == 0) { lyc=1; } } else { lyc=1; } } if(lyc==1) { if(month>2) { lyc=0; } else { lyc=1; } } //for month if(month==01 || month ==10) { mc=0; } else if(month==05) { mc=1; } else if(month==8) { mc=2; } else if(...

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