13.c++ program to calculate sum of natural numbers

-

//  C++ program to calculate sum of natural numbers

INPUT:

#include<iostream>

using namespace std;

int main()

{

    int x,y=0,i;

    cout<<"Enter a positive integer : ";

    cin>>x;

    for(i=1;i<=x;i++)

        {

            y=y+i;

        }

    cout<<"\n Sum = "<<y<<endl;

    return 0;

}

OUTPUT:





 

Comments

Post a Comment

Popular posts from this blog

8.c++ program to check whether the number is even or odd

-
Image
FIRST METHOD:   // C++ program to check whether the number is even or odd using if else INPUT: #include<iostream> using namespace std; int main() {     int z;     cout<<"\n Enter an integer:";     cin>>z;     if(z%2==0)         cout<<"\n\t"<<z<<" is Even "<<endl;     else         cout<<"\n\t"<<z<<" is Odd "<<endl;     return 0; } SECOND METHOD: // C++ program to check whether the number is even or odd using ternary operators INPUT: #include<iostream> using namespace std; int main() {     int z;     cout<<"Enter an integer : ";     cin>>z;     (z%2==0) ? cout<<"\n\t"<<z<<" is Even "<<endl : cout<<"\n\t"<<z<<" is Odd "<<endl;     return 0; } OUTPUT:
Read more

1.c++ program to find the total marks and average of three subjects

-
Image
 //  C++ program to find the total marks and average of three subjects  INPUT: #include<iostream>  using namespace std;  int main()  {          int a,b,c,sum,avg;          cout<<"\n Enter Mark 1:";         cin>>a;          cout<<"\n Enter Mark 2:";          cin>>b;          cout<<"\n Enter Mark 3:";         cin>>c; sum = a + b + c;         avg = sum / 3;          cout<<"\n The sum = "<<sum;         cout<<"\n The average = "<<avg<<"%"; } OUTPUT:
Read more

4.c++ program to compute quotient and remainder

-
Image
  // C++ program to compute quotient and remainder INPUT: #include<iostream> using namespace std; int main() {     int divisor,dividend,quotient,remainder;     cout<<"Enter Dividend:";     cin>>dividend;     cout<<"Enter Divisor:";     cin>>divisor;     quotient=dividend/divisor;     remainder=dividend%divisor;     cout<<"\n Quotient = "<<quotient<<endl;     cout<<"\n Remainder = "<<remainder<<"\n";     return 0; } OUTPUT:
Read more