/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 vote177 views1 answer
Flutter websocket auto reconnect
C++
1 vote213 views1 answer
How to iterate throguh a string in c++
C++
0 vote197 views1 answer
Lru cache gfg
C++
0 vote159 views1 answer
C++ enter name and surname one string
C++
0 vote171 views1 answer
Hash Sort in C++
C++
11 votes155 views1 answer
Inserting at start in vector c++
C++
0 vote166 views1 answer
Uint8_t in c++
C++
9 votes167 views1 answer
C++ code to print hello world
C++
2 votes172 views1 answer
2-Dimensional array in c++
C++
0 vote160 views1 answer
Yearly interest calculator c++ using for loop
C++