oj.uz

Submission #793644

# Submission time Handle Problem Language Result Execution time Memory
793644 2023-07-26T05:03:34 Z vjudge1 Tourism (JOI23_tourism) C++17
10 / 100
 92 ms 9520 KB 

// Author : حسن

#include <bits/stdc++.h>



using namespace std;

#define TL ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define rall(s) s.rbegin(),s.rend()
#define all(s) s.begin(),s.end()
#define pb push_back
#define fi first
#define se second
#define ll long long
#define ld long double
#define YES cout<<"YES\n"
#define Yes cout<<"Yes\n"
#define yes cout<<"yes\n"
#define NO cout<<"NO\n"
#define No cout<<"No\n"
#define no cout<<"no\n"


const int N = 2e5 + 9 , mod = 1e9 + 7;
ll c[N] = {} , d[N] = {} , a[N] = {}, b[N] = {}  , us[N] , us1[N] , p[N][20];

vector<int>v[N];

void dfs(int n,int p = 0){
    d[n] = d[p] + 1;
    for(auto to : v[n])
        if(to != p)
            dfs(to , n);
}
ll ans;
void dfs1(int n,int p = 0){
    d[n] = d[p] + 1;
    for(auto to : v[n])
        if(to != p)
            dfs1(to , n);
        ll s = 0;
     for(auto to  : v[n])
            if(b[to] != 0)
                if(to != p)
                s++, b[n] = b[to];
    if(s != 0){
        if(s == 1 && us[n] == 0){

        }else {
        ans++;
        for(auto to  : v[n])
            if(to != p && b[to] != 0){
            ans += d[b[to]] - d[n] - 1;
            }
        b[n] = n;
        }
    }else if(us[n] == 1){
        ans++;
        b[n] = n;
    }
}


void solve(){
    ll q , i , j , m , n , z , s  = 0, f, l , r , k , x , y , mn  = 1e18 , mx = 0;
    cin>>n>>m>>q;
    for(i = 1; i < n; i++){
        cin>>l>>r;
        v[l].pb(r);
        v[r].pb(l);
    }
    for(i = 1; i <= m; i++)
        cin>>a[i];
    dfs(1);
    if(n <= 2000 && m <= 2000 && q <= 2000){
    while(q--){
        cin>>l>>r;
        for(i = 1; i <= n; i++){
            us[i] = b[i] = c[i] = 0;
        }
        for(i = l; i <= r; i++)
            us[a[i]] = 1;
        ans = 0;
        dfs1(1);
        cout<<ans<<"\n";
    }
    }
}

int main(){

     TL;
     /*
     #ifndef ONLINE_JUDGE
     freopen("input.txt", "r", stdin);
     freopen("output.txt", "w", stdout);
     #endif
     */
int t = 1;
//cin>>t;

while(t--)
     {
     solve();
     }

}
// Author : حسن

Compilation message

tourism.cpp: In function 'void solve()':
tourism.cpp:68:16: warning: unused variable 'j' [-Wunused-variable]
   68 |     ll q , i , j , m , n , z , s  = 0, f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                ^
tourism.cpp:68:28: warning: unused variable 'z' [-Wunused-variable]
   68 |     ll q , i , j , m , n , z , s  = 0, f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                            ^
tourism.cpp:68:32: warning: unused variable 's' [-Wunused-variable]
   68 |     ll q , i , j , m , n , z , s  = 0, f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                ^
tourism.cpp:68:40: warning: unused variable 'f' [-Wunused-variable]
   68 |     ll q , i , j , m , n , z , s  = 0, f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                        ^
tourism.cpp:68:51: warning: unused variable 'k' [-Wunused-variable]
   68 |     ll q , i , j , m , n , z , s  = 0, f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                                   ^
tourism.cpp:68:55: warning: unused variable 'x' [-Wunused-variable]
   68 |     ll q , i , j , m , n , z , s  = 0, f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                                       ^
tourism.cpp:68:59: warning: unused variable 'y' [-Wunused-variable]
   68 |     ll q , i , j , m , n , z , s  = 0, f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                                           ^
tourism.cpp:68:63: warning: unused variable 'mn' [-Wunused-variable]
   68 |     ll q , i , j , m , n , z , s  = 0, f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                                               ^~
tourism.cpp:68:76: warning: unused variable 'mx' [-Wunused-variable]
   68 |     ll q , i , j , m , n , z , s  = 0, f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                                                            ^~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5076 KB Output is correct
6 Correct 3 ms 5076 KB Output is correct
7 Correct 3 ms 5076 KB Output is correct
8 Correct 3 ms 5076 KB Output is correct
9 Correct 4 ms 5076 KB Output is correct
10 Correct 4 ms 5048 KB Output is correct
11 Correct 3 ms 5076 KB Output is correct
12 Correct 3 ms 5076 KB Output is correct
13 Correct 3 ms 5076 KB Output is correct
14 Correct 3 ms 5076 KB Output is correct
15 Correct 3 ms 5076 KB Output is correct
16 Correct 3 ms 5076 KB Output is correct
17 Correct 5 ms 5076 KB Output is correct
18 Correct 3 ms 5028 KB Output is correct
19 Correct 3 ms 5076 KB Output is correct
20 Correct 3 ms 5076 KB Output is correct
21 Correct 4 ms 5076 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 3 ms 5076 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 3 ms 5076 KB Output is correct
27 Correct 2 ms 4948 KB Output is correct
28 Correct 3 ms 5076 KB Output is correct
29 Correct 3 ms 5076 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5076 KB Output is correct
6 Correct 3 ms 5076 KB Output is correct
7 Correct 3 ms 5076 KB Output is correct
8 Correct 3 ms 5076 KB Output is correct
9 Correct 4 ms 5076 KB Output is correct
10 Correct 4 ms 5048 KB Output is correct
11 Correct 3 ms 5076 KB Output is correct
12 Correct 3 ms 5076 KB Output is correct
13 Correct 3 ms 5076 KB Output is correct
14 Correct 3 ms 5076 KB Output is correct
15 Correct 3 ms 5076 KB Output is correct
16 Correct 3 ms 5076 KB Output is correct
17 Correct 5 ms 5076 KB Output is correct
18 Correct 3 ms 5028 KB Output is correct
19 Correct 3 ms 5076 KB Output is correct
20 Correct 3 ms 5076 KB Output is correct
21 Correct 4 ms 5076 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 3 ms 5076 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 3 ms 5076 KB Output is correct
27 Correct 2 ms 4948 KB Output is correct
28 Correct 3 ms 5076 KB Output is correct
29 Correct 3 ms 5076 KB Output is correct
30 Correct 45 ms 5156 KB Output is correct
31 Correct 56 ms 5076 KB Output is correct
32 Correct 91 ms 5208 KB Output is correct
33 Correct 92 ms 5204 KB Output is correct
34 Correct 89 ms 5208 KB Output is correct
35 Correct 60 ms 5208 KB Output is correct
36 Correct 58 ms 5208 KB Output is correct
37 Correct 61 ms 5204 KB Output is correct
38 Correct 67 ms 5204 KB Output is correct
39 Correct 70 ms 5304 KB Output is correct
40 Correct 77 ms 5324 KB Output is correct
41 Correct 71 ms 5332 KB Output is correct
42 Correct 72 ms 5332 KB Output is correct
43 Correct 66 ms 5296 KB Output is correct
44 Correct 65 ms 5260 KB Output is correct
45 Correct 67 ms 5224 KB Output is correct
46 Correct 71 ms 5388 KB Output is correct
47 Correct 69 ms 5232 KB Output is correct
48 Correct 67 ms 5204 KB Output is correct
49 Correct 66 ms 5204 KB Output is correct
50 Correct 63 ms 5204 KB Output is correct
51 Correct 64 ms 5204 KB Output is correct
52 Correct 66 ms 5212 KB Output is correct
53 Correct 64 ms 5216 KB Output is correct
54 Correct 63 ms 5204 KB Output is correct
55 Correct 64 ms 5204 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 50 ms 5172 KB Output is correct
58 Correct 49 ms 5204 KB Output is correct

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 5052 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 4 ms 5076 KB Output is correct
4 Incorrect 18 ms 9520 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Incorrect 17 ms 7612 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 3 ms 5080 KB Output is correct
4 Incorrect 18 ms 7856 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #6
0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5076 KB Output is correct
6 Correct 3 ms 5076 KB Output is correct
7 Correct 3 ms 5076 KB Output is correct
8 Correct 3 ms 5076 KB Output is correct
9 Correct 4 ms 5076 KB Output is correct
10 Correct 4 ms 5048 KB Output is correct
11 Correct 3 ms 5076 KB Output is correct
12 Correct 3 ms 5076 KB Output is correct
13 Correct 3 ms 5076 KB Output is correct
14 Correct 3 ms 5076 KB Output is correct
15 Correct 3 ms 5076 KB Output is correct
16 Correct 3 ms 5076 KB Output is correct
17 Correct 5 ms 5076 KB Output is correct
18 Correct 3 ms 5028 KB Output is correct
19 Correct 3 ms 5076 KB Output is correct
20 Correct 3 ms 5076 KB Output is correct
21 Correct 4 ms 5076 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 3 ms 5076 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 3 ms 5076 KB Output is correct
27 Correct 2 ms 4948 KB Output is correct
28 Correct 3 ms 5076 KB Output is correct
29 Correct 3 ms 5076 KB Output is correct
30 Correct 45 ms 5156 KB Output is correct
31 Correct 56 ms 5076 KB Output is correct
32 Correct 91 ms 5208 KB Output is correct
33 Correct 92 ms 5204 KB Output is correct
34 Correct 89 ms 5208 KB Output is correct
35 Correct 60 ms 5208 KB Output is correct
36 Correct 58 ms 5208 KB Output is correct
37 Correct 61 ms 5204 KB Output is correct
38 Correct 67 ms 5204 KB Output is correct
39 Correct 70 ms 5304 KB Output is correct
40 Correct 77 ms 5324 KB Output is correct
41 Correct 71 ms 5332 KB Output is correct
42 Correct 72 ms 5332 KB Output is correct
43 Correct 66 ms 5296 KB Output is correct
44 Correct 65 ms 5260 KB Output is correct
45 Correct 67 ms 5224 KB Output is correct
46 Correct 71 ms 5388 KB Output is correct
47 Correct 69 ms 5232 KB Output is correct
48 Correct 67 ms 5204 KB Output is correct
49 Correct 66 ms 5204 KB Output is correct
50 Correct 63 ms 5204 KB Output is correct
51 Correct 64 ms 5204 KB Output is correct
52 Correct 66 ms 5212 KB Output is correct
53 Correct 64 ms 5216 KB Output is correct
54 Correct 63 ms 5204 KB Output is correct
55 Correct 64 ms 5204 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 50 ms 5172 KB Output is correct
58 Correct 49 ms 5204 KB Output is correct
59 Correct 2 ms 5052 KB Output is correct
60 Correct 2 ms 4948 KB Output is correct
61 Correct 4 ms 5076 KB Output is correct
62 Incorrect 18 ms 9520 KB Output isn't correct
63 Halted 0 ms 0 KB -