Submission #212445

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
212445	2020-03-23 04:05:23	zscoder	Ruins 3 (JOI20_ruins3)	C++17	100 / 100	850 ms	504 KiB

ruins3

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#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
 
#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define fbo find_by_order
#define ook order_of_key
 
typedef long long ll;
typedef pair<int,int> ii;
typedef vector<int> vi;
typedef long double ld; 
typedef tree<ll, null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update> pbds;
vector<int> fact;
vector<int> ifact;
vector<int> inv;
vector<int> pow2;
const int MOD = (1e9 + 7);
int add(int a, int b)
{
  a+=b;
  while(a>=MOD) a-=MOD;
  return a;
 
 
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• Subtask 1: 6 / 6
• Subtask 2: 52 / 52
• Subtask 3: 42 / 42