sum range
#include <iostream>
int sumRange(int start, int end) {
int sum = 0;
for (int i = start; i <= end; ++i) {
sum += i;
}
return sum;
}
int main() {
int start, end;
std::cout << "Enter the start and end values: ";
std::cin >> start >> end;
int result = sumRange(start, end);
std::cout << "The sum of the range from " << start << " to " << end << " is: " << result;
return 0;
}