/C++/Summation of Natural Number Sequence with c and c++.

Summation of Natural Number Sequence with c and c++.

#include<bits/stdc++.h>
using namespace std;
int main()
{    
  unsigned int a, b;    
  long long int sum = 0, n;    
  double s1;    
  cin >> a >> b;    
  n = (b-a) + 1;    
  sum = n * ((double)(a+b) / 2);    
  cout << sum << endl;        
  return 0;
}

Source: urionlinejudge.com.br

Similar codes

0 vote130 views1 answer
Assignment operator with pointers c++
C++
0 vote111 views1 answer
Patrick and Shopping codeforces in c++
C++
0 vote123 views1 answer
Days in a year c++
C++
0 vote95 views1 answer
Take single digit integer input in c++
C++
0 vote149 views5 answers
Palindrome String
C++
0 vote169 views1 answer
Esp8266 wifi.localip() to string
C++
0 vote107 views2 answers
Use c++17 g++
C++
0 vote120 views1 answer
C++ insertion in astack
C++
0 vote106 views1 answer
Make random nuber between two number in c++
C++
0 vote113 views1 answer
+++++++++
C++