Submission #442705

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
442705	2021-07-08 17:09:24	Dormi	Split the Attractions (IOI19_split)	C++14	40 / 100	143 ms	22808 KiB

split

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#include <bits/stdc++.h>
#include "split.h"
using namespace std;
typedef long long int lli;
typedef pair<int,int> pii;
typedef pair<lli,lli> pll;
const int MAXN=100000;
int ind[MAXN];
int low[MAXN];
int curind=1;
int subtreesize[MAXN];
vector<int> matrix[MAXN];
vector<int> dfsmatrix[MAXN];
pii need[3];
int purpletree;
vector<pii> redtrees;
int which[MAXN];
int needed;
bool bad=false;
void dfstarjan(int loc, int parent){
  ind[loc]=curind;
  low[loc]=curind++;
  if(parent!=-1) {
    dfsmatrix[loc].push_back(parent);
    dfsmatrix[parent].push_back(loc);
  }
  for(int x:matrix[loc]){
    if(!ind[x]){
      dfstarjan(x,loc);
      low[loc]=min(low[loc],low[x]);
 
 
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Compilation message (stderr)

split.cpp: In function 'std::vector<int> find_split(int, int, int, int, std::vector<int>, std::vector<int>)':
split.cpp:118:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  118 |  for(int i=0;i<p.size();i++){
      |              ~^~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 11 / 11
• Subtask 3: 22 / 22
• Subtask 4: 0 / 24
• Subtask 5: 0 / 36