Submission #231914

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
231914	2020-05-15 09:47:47	AlexLuchianov	Parachute rings (IOI12_rings)	C++14	52 / 100	137 ms	17792 KiB

rings

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#include <iostream>
#include <vector>
#include <algorithm>
int const nmax = 100000;
struct Dsu{
  std::vector<int> mult;
  std::vector<int> sz;
  Dsu(int n = 0){
    mult.resize(1 + n);
    sz.resize(1 + n);
    for(int i = 1;i <= n; i++) {
      mult[i] = i;
      sz[i] = 1;
    }
  }
  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);
    if(gala == galb)
      return ;
 
 
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Compilation message (stderr)

rings.cpp: In function 'void Link(int, int)':
rings.cpp:112:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int h = 0; h < g[a].size(); h++)
                    ~~^~~~~~~~~~~~~
rings.cpp:114:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int h = 0; h < g[b].size(); h++)
                    ~~^~~~~~~~~~~~~
rings.cpp:119:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i < temp.size(); i++){
                    ~~^~~~~~~~~~~~~
rings.cpp:121:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       for(int j = 0; j < edges.size(); j++)
                      ~~^~~~~~~~~~~~~~
rings.cpp:126:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i < cand.size(); i++)
                    ~~^~~~~~~~~~~~~
rings.cpp: In function 'int CountCritical()':
rings.cpp:141:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i < cand.size(); i++)
                    ~~^~~~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 0 / 17
• Subtask 3: 18 / 18
• Subtask 4: 14 / 14
• Subtask 5: 0 / 31