Submission #149492

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
149492	2019-09-01 06:36:00	お前はもう死んでいる (#200)	Trip to the Galapagos Islands (FXCUP4_island)	C++17	100 / 100	3085 ms	20600 KiB

island

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#include "island.h"
#include <vector>
#include <algorithm>
#include <map>
#include <iostream>
const int ms = 100100;
int par[ms], when[ms];
std::vector<int> freq[ms];
std::vector< std::pair<int, int> > times[ms];
int getPar(int x) { return par[x] == x ? x : getPar(par[x]); }
int wtf;
void Init(int K, std::vector<int> F, std::vector<int> S, std::vector<int> E){
  int N = F.size(), M = S.size();
  for(int i = 0; i < N; i++) {
    par[i] = i;
    when[i] = 1e9;
    freq[F[i]].push_back(i);
    times[i].emplace_back(F[i], 0);
  }
  wtf = M;
  for(int i = 0; i < M; i++) {
    int u = getPar(S[M-i-1]), v = getPar(E[M-i-1]);
    if(u == v) continue;
    if(times[u].size() > times[v].size()) {
      std::swap(u, v);
    }
    for(int j = 0; j < times[u].size(); j++) {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

island.cpp: In function 'void Init(int, std::vector<int>, std::vector<int>, std::vector<int>)':
island.cpp:30:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j = 0; j < times[u].size(); j++) {
                  ~~^~~~~~~~~~~~~~~~~
island.cpp: In function 'int Separate(int, int)':
island.cpp:50:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < freq[A].size(); i++) {
                 ~~^~~~~~~~~~~~~~~~
island.cpp:55:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if(id < times[u].size() && times[u][id].first == B) {
       ~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 31 / 31
• Subtask 2: 39 / 39
• Subtask 3: 30 / 30