Submission #1091891

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1091891	2024-09-22T13:22:51 Z	plagia	Savrsen (COCI17_savrsen)	C++14	120 / 120	449 ms	39768 KB

savrsen

#include <cstdlib>
#include <iostream>

const int MM = 1e7 + 10;
int tab[MM]{};

void fill_tab() {
	for (int i = 1; i < MM; i++) {
		for (int j = i * 2; j < MM; j += i) {
			tab[j] += i;	
		}
	}
}

int calculate_imperfection(const int &n) {
	return std::abs(n - tab[n]);
}

int main() {
	std::ios_base::sync_with_stdio(0);

	fill_tab();

	int a, b;
	std::cin >> a >> b;
	
	unsigned long long sum = 0;
	for (int i = a; i <= b; i++) {
		sum += calculate_imperfection(i);
	}

	std::cout << sum << std::endl;

	return 0;
}

Subtask #1

120.0 / 120.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	427 ms	39512 KB	Output is correct
2	Correct	435 ms	39512 KB	Output is correct
3	Correct	420 ms	39572 KB	Output is correct
4	Correct	435 ms	39516 KB	Output is correct
5	Correct	440 ms	39768 KB	Output is correct
6	Correct	429 ms	39768 KB	Output is correct
7	Correct	449 ms	39516 KB	Output is correct
8	Correct	440 ms	39568 KB	Output is correct