7-8打卡

pta第八题

#include <iostream>
#include <iomanip>

int main() {
    int A, B;
    std::cin >> A >> B;

    int sum = 0;
    int count = 0;

    for (int i = A; i <= B; i++) {
        std::cout << std::setw(5) << i;
        sum += i;
        count++;

        if (count % 5 == 0) {
            std::cout << std::endl;
        }
    }

    if (count % 5 != 0) {
        std::cout << std::endl;
    }

    std::cout << "Sum = " << sum << std::endl;

    return 0;
}