Submission #933821

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
933821	2024-02-26 11:17:40	kim	Highway Tolls (IOI18_highway)	C++17	5 / 100	150 ms	13576 KiB

highway

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include "highway.h"
#include<bits/stdc++.h>
using namespace std;
#define eb emplace_back
using pii=pair<int,int>;
#define f first
#define s second
using ti3=tuple<int,int,int>;
vector<int> adj1[90005],adj2[90005];
bitset<90005> vis;
int pre[90005];
vector<int> ans,tmp;
int dist;
int play(int n,vector<int> &U,vector<int> &V,int u0){
  for(int i=0;i<n;++i) adj2[i].clear();
  vis=0;
  int m=U.size();
  {
    queue<int> q;
    q.emplace(u0);
    vis[u0]=1;
    while(q.size()){
      int u=q.front(); q.pop();
      for(auto &v:adj1[u]){
        if(vis[v]) continue;
        vis[v]=1;
        q.emplace(v);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

highway.cpp: In function 'int play(int, std::vector<int>&, std::vector<int>&, int)':
highway.cpp:50:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   50 |   int mid=l+r>>1;
      |           ~^~
highway.cpp: In function 'void find_pair(int, std::vector<int>, std::vector<int>, int, int)':
highway.cpp:68:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |  for(int i=0;i<U.size();++i){
      |              ~^~~~~~~~~
highway.cpp: In function 'int play(int, std::vector<int>&, std::vector<int>&, int)':
highway.cpp:65:1: warning: control reaches end of non-void function [-Wreturn-type]
   65 | }
      | ^

• Subtask 1: 5 / 5
• Subtask 2: 0 / 7
• Subtask 3: 0 / 6
• Subtask 4: 0 / 33
• Subtask 5: 0 / 18
• Subtask 6: 0 / 31