Submission #732441

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
732441	2023-04-29 04:25:25	SanguineChameleon	무지개나라 (APIO17_rainbow)	C++17	23 / 100	3066 ms	225820 KiB

rainbow

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#include "rainbow.h"
#include <bits/stdc++.h>
using namespace std;
struct BIT {
  set<pair<int, int>> S;
  vector<map<int, int>> bit;
  int R, C;
  void init(int _R, int _C) {
    R = _R;
    C = _C;
    bit.resize(R + 1);
  }
  void add(int x, int y) {
    if (x < 1 || x > R || y < 1 || y > C || S.find({x, y}) != S.end()) {
      return;
    }
    S.insert({x, y});
  }
  void update(int x, int y) {
    for (int i = x; i <= R; i += i & (-i)) {
      for (int j = y; j <= C; j += j & (-j)) {
        bit[i][j]++;
      }
    }
  }
 
 
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• Subtask 2: 12 / 12
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• Subtask 5: 0 / 26