Submission #675031

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
675031	2022-12-26 19:48:21	QwertyPi	I want to be the very best too! (NOI17_pokemonmaster)	C++14	47 / 100	5072 ms	8504 KiB

pokemonmaster

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#include <bits/stdc++.h>
#define fi first
#define se second
using namespace std;
const int MAXN = 5e4 + 11, MAXQ = 1e5 + 11;
const int SQ = 200;
int l[MAXN], p[MAXN], tp[MAXN];
int ans[MAXQ];
struct DSU{
  int dsu[MAXN], ans[MAXN];
  map<int, int> info[MAXN];
  void init(int n){
    for(int i = 0; i < n; i++) dsu[i] = i;
    for(int i = 0; i < n; i++) info[i].clear(), info[i][p[i]]++, ans[i] = 1;
  }
  int f(int x){
    return dsu[x] == x ? x : dsu[x] = f(dsu[x]);
  }
  void g(int x, int y){
    x = f(x), y = f(y);
    if(x == y) return;
    if(info[x].size() < info[y].size()) swap(x, y);
    for(auto i : info[y]) ans[x] += info[x][i.fi] == 0 && i.se != 0, info[x][i.fi] += i.se;
    info[y].clear();
    dsu[y] = x;
  }
} dsu;
 
 
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Compilation message (stderr)

pokemonmaster.cpp: In function 'void solve(std::vector<qry>)':
pokemonmaster.cpp:62:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |  for(int j = 0; j < Q2.size(); j++){
      |                 ~~^~~~~~~~~~~
pokemonmaster.cpp:63:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   63 |   while(eid < E.size() && E[eid].w <= Q2[j].fi) dsu.g(E[eid].u, E[eid].v), eid++;
      |         ~~~~^~~~~~~~~~

• Subtask 1: 11 / 11
• Subtask 2: 16 / 16
• Subtask 3: 20 / 20
• Subtask 4: 0 / 24
• Subtask 5: 0 / 29