Submission #240878

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
240878	2020-06-21 10:58:39	zoomswk	Split the Attractions (IOI19_split)	C++17	40 / 100	137 ms	15476 KiB

split

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#include "split.h"
#include <vector>
#include <algorithm>
using namespace std;
vector<int> way[100005];
int par[100005];
int sz[100005];
int dfs(int node, int p=-1){
  if(sz[node] > 0) return 0;
  par[node] = p;
  sz[node] = 1;
  for(int x : way[node]) sz[node] += dfs(x, node);
  return sz[node];
}
int is_in[100005];
vector<int> whats_in;
vector<int> whats_in2;
void go(int node){
  is_in[node] = 1;
  whats_in.push_back(node);
  for(int x : way[node]) if(par[x] == node) go(x);
  return;
}
void go2(int node){
  if(is_in[node]) return;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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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:50:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j=0; j<whats_in.size(); j++){
                 ~^~~~~~~~~~~~~~~~
split.cpp:54:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j=0; j<whats_in2.size(); j++){
                 ~^~~~~~~~~~~~~~~~~
split.cpp:62:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j=0; j<whats_in.size(); j++){
                 ~^~~~~~~~~~~~~~~~
split.cpp:66:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j=0; j<whats_in2.size(); j++){
                 ~^~~~~~~~~~~~~~~~~

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