Submission #288747

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
288747	2020-09-01 20:46:08	Saboon	Land of the Rainbow Gold (APIO17_rainbow)	C++17	100 / 100	1806 ms	96520 KiB

rainbow

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#include "rainbow.h"
#include <bits/stdc++.h>
using namespace std;
const int maxn = 2e5 + 10;
map<char,int> adjr = {{'N', -1}, {'S', 1}};
map<char,int> adjc = {{'E', 1}, {'W', -1}};
set<pair<int,int>> Snake;
int R, C;
pair<int,int> Snakex, Snakey;
struct Segment2D{
  vector<int> fen[maxn], fex[maxn];
  vector<pair<int,int>> Q;
  int get(int X, int Y){
    int ret = 0;
    for (int x = X; x; x -= x & -x){
      int y = upper_bound(fex[x].begin(),fex[x].end(),Y)-fex[x].begin();
      for (; y; y -= y & -y)
        ret += fen[x][y-1];
    }
    return ret;
  }
  int get(int x1, int x2, int y1, int y2){
    if (x2 < x1 or y2 < y1)
      return 0;
    return get(x2, y2) - get(x2, y1-1) - get(x1-1, y2) + get(x1-1,y1-1);
  }
  void addreal(int X, int Y){
    for (int x = X; x < maxn; x += x & -x){
      int y = lower_bound(fex[x].begin(),fex[x].end(),Y)-fex[x].begin()+1;
 
 
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Compilation message (stderr)

rainbow.cpp: In member function 'void Segment2D::addreal(int, int)':
rainbow.cpp:31:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |    for (; y <= fen[x].size(); y += y & -y)
      |           ~~^~~~~~~~~~~~~~~~

• Subtask 1: 11 / 11
• Subtask 2: 12 / 12
• Subtask 3: 24 / 24
• Subtask 4: 27 / 27
• Subtask 5: 26 / 26