Submission #294040

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
294040	2020-09-08 14:38:38	Mlxa	Furniture (JOI20_furniture)	C++14	100 / 100	397 ms	9336 KiB

furniture

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#ifdef LC
#include "pch.h"
#else
#include <bits/stdc++.h>
#endif
using namespace std;
#define all(x) x.begin(), x.end()
#define x first
#define y second
#define mp make_pair
#define mt make_tuple
const int N = 1010;
int n, m, q;
bool lu[N][N];
bool rd[N][N];
bool dp[N][N];
int fen[N][N];
int pref(int x, int y) {
  int s = 0;
  for (int i = x; i >= 0; i = (i & (i + 1)) - 1) {
    for (int j = y; j >= 0; j = (j & (j + 1)) - 1) {
      s += fen[i][j];
    }
  }
  return s;
}
bool rec(int a, int b, int c, int d) {
  --a;
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 95 / 95