Submission #365109

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
365109	2021-02-10 22:02:42	crackersamdjam	Regions (IOI09_regions)	C++17	55 / 100	7560 ms	111340 KiB

regions

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#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
using namespace std;
const int MM = 2e5+5, NN = 25000, SQ = 500;
int n, m, q;
int val[MM];
vector<int> adj[MM];
int in[MM], out[MM], t;
map<int, int> cnt[MM], parcnt;
vector<int> nodes[MM];
int bit[MM], bid[MM];
vector<int> big;
int ans1[SQ][NN];
int ans2[NN][SQ]; //swap order if still not fast enough
void update(int i, int v){
  for(; i < MM; i += i&-i)
    bit[i] += v;
}
int query(int i){
  int v = 0;
  for(; i; i -= i&-i)
    v += bit[i];
  return v;
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

regions.cpp: In function 'void dfs(int, int)':
regions.cpp:35:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |   for(int i = 0; i < size(big); i++)
      |                  ~~^~~~~~~~~~~
regions.cpp:60:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   60 |  for(int i = 0; i < size(big); i++)
      |                 ~~^~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 40 / 85