Pratik Ghelani: cpp

Showing posts with label cpp. Show all posts

Sunday, January 20, 2019

cpp 4:43 AM

Write a program in C++ to perform following pattern.

Write a program in C++ to perform following pattern:
1
3 5
7 9 11
13 15 17 19

Program:-

#include<iostream>
using namespace std;
int main()
{
int i,j,num=-1;

for(i=1;i<=4;i++)
{
for(j=1;j<=i;j++)
{
num=num+2;
cout<<num;
cout<<" ";
}
cout<<endl;
}

}

Output:-

Pratik Ghelani 0

cpp 4:37 AM

Write a program in C++ to create basic calculator (add, sub, mul, div) using switch case.

Program:-

#include<iostream>
using namespace std;
int main()
{
int a,b,ch,ans;
cout<<"Enter the first number:";
cin>>a;
cout<<"Enter the second number:";
cin>>b;
cout<<"1.Addition \n2.Subtraction \n3.Multiplication \n4.Division \n";
cout<<"Enter your choice:";
cin>>ch;
switch(ch)
{
case 1: ans=a+b;
break;
case 2: ans=a-b;
break;
case 3: ans=a*b;
break;
case 4: ans=a/b;
break;
default: cout<<"Invalid choice!";

}
cout<<"Answer is:"<<ans<<endl;

}

Output:-