Submission #793845

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
793845	2023-07-26 07:23:51	vjudge1	Tourism (JOI23_tourism)	C++14	35 / 100	230 ms	47332 KiB

tourism

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<bits/stdc++.h>
#define fi first
#define se second
#define ll long long
using namespace std ;
const int N = (1 << 17) ;
bool flag1, flag2, us[N + 1] ;
int n, m, q, c[N + 1], l[N + 1], r[N + 1], p[N + 1], dist[N + 1], ind[N + 1], pw[2 * N + 1] ;
vector<int> v[N + 1] ;
vector<pair<int, int>> tree ;
int mx[N + 1][20], mn1[N + 1][20] ;
pair<int, int> mn[2 * N + 1][20] ;
//ниже всё для hld
vector<int> hld ;
int kol[N + 1], index1[N + 1], tp[N + 1], bst[N + 1], sum[2 * N + 1], psh[2 * N + 1] ;
void first_dfs(int city, int last)
{
    int now = 0 ;
    kol[city]++ ;
    for(int i : v[city])
    {
        if(i == last)
            continue ;
        first_dfs(i, city) ;
        kol[city] += kol[i] ;
        if(now < kol[i])
        {
            now = kol[i] ;
            bst[city] = i ;
        }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

tourism.cpp: In function 'void build_lca()':
tourism.cpp:97:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   97 |     for(int i = 2 ; i <= tree.size() ; i++)
      |                     ~~^~~~~~~~~~~~~~
tourism.cpp:99:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   99 |     for(int i = 0 ; i < tree.size() ; i++)
      |                     ~~^~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 7 / 7
• Subtask 4: 18 / 18
• Subtask 5: 0 / 24
• Subtask 6: 0 / 41