# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
238032 | marlicu | Savrsen (COCI17_savrsen) | C++14 | 114 ms | 504 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
int a, b;
cin >> a >> b;
long long pozitivni = 0;
long long negativni = 0;
for (int i = 1; i <= b; i++) {
if (i >= a) pozitivni += i;
int k = (b - i) / i;
negativni += (i * k);
/*
cout << i << " " << pozitivni << " ";
cout << negativni << " " << k << " ";
cout << (i * k) << '\n';
*/
}
//cout << ":::\n";
for (int i = 1; i < a; i++) {
int k = (a - 1 - i) / i;
negativni -= (i * k);
/*
cout << i << " " << pozitivni << " ";
cout << negativni << " " << k << " ";
cout << (i * k) << '\n';
*/
}
cout << abs(pozitivni - negativni);
return 0;
}
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---|---|---|---|---|
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