/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

26 votes173 views2 answers
Remove from vector by value c++
C++
0 vote165 views1 answer
C++ unordered_map check if key exists
C++
0 vote172 views1 answer
C++ vector allocator example
C++
0 vote173 views10 answers
Online compiler c++ with big O calculator
C++
0 vote177 views1 answer
Check whether kth bit is 1
C++
0 vote172 views1 answer
Cicli informatica c++
C++
0 vote173 views1 answer
Glew32.dll was not found
C++
0 vote168 views1 answer
Sweetalert2 email and password
C++
0 vote174 views1 answer
Rgb(100,100,100,0.5) validation c++
C++
0 vote182 views1 answer
What is stdoutread in c++
C++