Submission #292092

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
292092	2020-09-06 10:07:16	AlexLuchianov	Werewolf (IOI18_werewolf)	C++14	100 / 100	1867 ms	153080 KiB

werewolf

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#include "werewolf.h"
#include <vector>
#include <cassert>
#include <cmath>
#include <algorithm>
#include <iostream>
using ll = long long;
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#define MAX(a, b) (((a) < (b)) ? (b) : (a))
int const lgmax = 20;
class Dsu{
public:
  std::vector<int> mult;
  Dsu(int n) {
    mult.resize(n);
    for(int i = 0; i < n; i++)
      mult[i] = i;
  }
  int jump(int gala) {
    if(mult[gala] != gala)
      mult[gala] = jump(mult[gala]);
    return mult[gala];
  }
  void unite(int gala, int galb) {
    gala = jump(gala);
    galb = jump(galb);
    mult[galb] = gala;
 
 
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Compilation message (stderr)

werewolf.cpp: In function 'void dfs(int, std::vector<std::vector<int> >&, std::vector<std::vector<int> >&, std::vector<int>&, std::vector<int>&, std::vector<int>&, int&)':
werewolf.cpp:81:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   81 |   for(int h = 0; h < g[node].size();h++) {
      |                  ~~^~~~~~~~~~~~~~~~
werewolf.cpp: In function 'void computefar(std::vector<std::vector<int> >&, int)':
werewolf.cpp:91:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   91 |   for(int i = 1;i < far.size(); i++) {
      |                 ~~^~~~~~~~~~~~
werewolf.cpp: In function 'std::vector<int> check_validity(int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
werewolf.cpp:113:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  113 |   for(int i = 0; i < X.size(); i++) {
      |                  ~~^~~~~~~~~~
werewolf.cpp:122:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  122 |     for(int h = 0; h < g[i].size(); h++) {
      |                    ~~^~~~~~~~~~~~~
werewolf.cpp:132:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  132 |     for(int h = 0; h < g[i].size(); h++) {
      |                    ~~^~~~~~~~~~~~~
werewolf.cpp:163:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  163 |   for(int h = 0; h < S.size(); h++) {
      |                  ~~^~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 8 / 8
• Subtask 3: 34 / 34
• Subtask 4: 51 / 51