Submission #82757

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
82757	2018-11-01T15:00:58 Z	heon	Savrsen (COCI17_savrsen)	C++11	120 / 120	1590 ms	39728 KB

savrsen

#include<bits/stdc++.h>

using namespace std;

const int MAXN = 1e7 + 5;

int v[MAXN];

int main(){
	
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	
	int a,b;
	cin >> a >> b;
	for(int i = 1; i <= b; i++){
		for(int j = i + i; j <= b; j += i){
			v[j] += i;
		}
	}
	long long sum = 0;
	for(int i = a; i <= b; i++){
		sum += abs(i - v[i]); 
		//cout << abs(i - v[i]) << " ";
	}
	cout << sum;
}

Subtask #1

120.0 / 120.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	5 ms	972 KB	Output is correct
4	Correct	1590 ms	39684 KB	Output is correct
5	Correct	1495 ms	39712 KB	Output is correct
6	Correct	1416 ms	39728 KB	Output is correct
7	Correct	1195 ms	39728 KB	Output is correct
8	Correct	150 ms	39728 KB	Output is correct