Submission #497688

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
497688	2021-12-23 15:04:24	amoo_safar	Ruins 3 (JOI20_ruins3)	C++17	100 / 100	586 ms	336 KiB

ruins3

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#include <bits/stdc++.h>
#define pb push_back
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define debug(x) cerr << #x << " : " << x << '\n'
using namespace std;
const int N = 6e2 + 10;
namespace ModularInt {
  template<typename T>
  T inverse(T a, T pr){
    T u = 1, v = 0;
    while(a != 0){
      T dv = pr / a;
      pr -= dv * a; v -= dv * u;
      swap(a, pr); swap(u, v);
    }
    assert(pr == 1); // gcd(a, pr) != 1;
    return v;
  }
  template<typename ModT>
  class Mint {
  public:
    using T = typename decay<decltype(ModT::value)>::type;
 
 
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• Subtask 1: 6 / 6
• Subtask 2: 52 / 52
• Subtask 3: 42 / 42