Submission #1866134


Source Code Expand

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

ll n, x;

ll rec(ll a, ll b) {
  if (a == 0 || b == 0) return 0;
  return a + (a / b * 2 - 1) * b + rec(b, a % b);
}

int main(void) {
  cin >> n >> x;
  cout << x + rec(n - x, x) << endl;

  return 0;
}

Submission Info

Submission Time
Task B - Mysterious Light
User legosuke
Language C++14 (GCC 5.4.1)
Score 500
Code Size 290 Byte
Status AC
Exec Time 1 ms
Memory 256 KB

Judge Result

Set Name Sample Subtask All
Score / Max Score 0 / 0 300 / 300 200 / 200
Status
AC × 1
AC × 10
AC × 20
Set Name Test Cases
Sample sample-01.txt
Subtask sample-01.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt
All sample-01.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 02-01.txt, 02-02.txt, 02-03.txt, 02-04.txt, 02-05.txt, 02-06.txt, 02-07.txt, 02-08.txt, 02-09.txt, sample-01.txt
Case Name Status Exec Time Memory
01-01.txt AC 1 ms 256 KB
01-02.txt AC 1 ms 256 KB
01-03.txt AC 1 ms 256 KB
01-04.txt AC 1 ms 256 KB
01-05.txt AC 1 ms 256 KB
01-06.txt AC 1 ms 256 KB
01-07.txt AC 1 ms 256 KB
01-08.txt AC 1 ms 256 KB
01-09.txt AC 1 ms 256 KB
02-01.txt AC 1 ms 256 KB
02-02.txt AC 1 ms 256 KB
02-03.txt AC 1 ms 256 KB
02-04.txt AC 1 ms 256 KB
02-05.txt AC 1 ms 256 KB
02-06.txt AC 1 ms 256 KB
02-07.txt AC 1 ms 256 KB
02-08.txt AC 1 ms 256 KB
02-09.txt AC 1 ms 256 KB
sample-01.txt AC 1 ms 256 KB