# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
889635 |
2023-12-20T04:10:49 Z |
vjudge1 |
Tourism (JOI23_tourism) |
C++17 |
|
5000 ms |
50716 KB |
#include <bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define all(a) a.begin(), a.end()
const int mod = 998244353;
const int N = 1e5;
pair<int, int> chmax(pair<int, int> A, pair<int, int> B){
if(A.ff > B.ff) return A;
return B;
}
pair<int, int> chmin(pair<int, int> A, pair<int, int> B){
if(A.ff > B.ff) return B;
return A;
}
struct sparse{
vector<vector<pair<int, int> > > m_table;
vector<vector<pair<int, int> > > ma_table;
int n;
sparse(int sz){
n = sz;
m_table.resize(18);
ma_table.resize(18);
for(auto &i : m_table){
i.resize(sz);
}
for(auto &i : ma_table) i.resize(sz);
};
void build(vector<pair<int, int>> &a){
for(int lg = 0; lg < 18; lg++){
for(int i = 0;i < n; i++){
if(lg == 0){
m_table[lg][i] = a[i];
ma_table[lg][i] = a[i];
}else{
int k = 1<<(lg-1);
m_table[lg][i] = chmin(m_table[lg-1][i], m_table[lg-1][min(n - 1, i + k)]);
ma_table[lg][i] = chmax(ma_table[lg-1][i], ma_table[lg-1][min(n - 1, i + k)]);
}
}
}
}
pair<int, int> get_max(int l, int r){
int k = __lg(r-l+1);
return chmax(ma_table[k][l], ma_table[k][r-(1<<k) + 1]);
}
pair<int, int> get_min(int l, int r){
int k = __lg(r-l+1);
return chmin(m_table[k][l], m_table[k][r-(1<<k) + 1]);
}
};
vector<int> g[N+1];
int depth[N+1], c[N+1];
int timer=1;
int tin[N+1], tout[N+1];
int up[N+1][18];
int n, m, q;
void dfs(int v, int par){
up[v][0] = par;
tin[v] = timer++;
for(int i = 1;i < 18; i++){
up[v][i] = up[up[v][i-1]][i-1];
}
for(int to : g[v]){
if(to == par) continue;
depth[to] = depth[v] + 1;
dfs(to, v);
}
tout[v] = timer++;
}
int lca(int a, int b){
if(depth[a] > depth[b]) swap(a, b);
int k = depth[b] - depth[a];
for(int i = 0;i < 18; i++){
if(k & (1<<i)){
b = up[b][i];
}
}
if(a == b) return a;
for(int i = 17; i >= 0; i--){
if(up[a][i] != up[b][i]){
a = up[a][i];
b = up[b][i];
}
}
return up[a][0];
}
int vert;
vector<int> vec;
int in_subtree(int v){
int it = lower_bound(all(vec), tin[v]) - vec.begin();
if(it < (int)vec.size() && vec[it] <= tout[v]) return 1;
return 0;
}
void ans(int v, int par){
if(!in_subtree(v)) return;
vert++;
for(int to : g[v]){
if(to == par) continue;
ans(to, v);
}
}
signed main(){
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
cin >> n >> m >> q;
int bambo = 1;
for(int i = 1;i < n; i++){
int a, b; cin >> a >> b;
if(a != i || b != a+1) bambo = 0;
g[a].push_back(b);
g[b].push_back(a);
}
for(int i = 0;i < m; i++){
cin >> c[i];
}
dfs(1, 1);
vector<pair<int, int> > vals;
for(int i = 0;i < m; i++){
vals.push_back(make_pair(tin[c[i]], c[i]));
}
sparse table(m);
table.build(vals);
if(bambo){
while(q--){
int l, r; cin >> l >> r;
l--, r--;
int mn = table.get_min(l, r).ss;
int mx = table.get_max(l, r).ss;
cout << depth[mx] - depth[mn] + 1 << '\n';
}
return 0;
}
while(q--){
int l, r; cin >> l >> r;
l--, r--;
int mn = c[l], mx = c[l];
vec.clear();
for(int i = l;i <= r; i++){
vec.push_back(tin[c[i]]);
if(tin[mn] > tin[c[i]]){
mn = c[i];
}
if(tin[mx] < tin[c[i]]){
mx = c[i];
}
}
mn = table.get_min(l, r).ss;
mx = table.get_max(l, r).ss;
sort(all(vec));
vec.erase(unique(all(vec)), vec.end());
vert = 0;
int lc = lca(mn, mx);
ans(lc, up[lc][0]);
cout << vert << '\n';
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4956 KB |
Output is correct |
2 |
Correct |
1 ms |
4956 KB |
Output is correct |
3 |
Correct |
1 ms |
4956 KB |
Output is correct |
4 |
Correct |
3 ms |
4956 KB |
Output is correct |
5 |
Correct |
3 ms |
4956 KB |
Output is correct |
6 |
Correct |
2 ms |
4956 KB |
Output is correct |
7 |
Correct |
3 ms |
5084 KB |
Output is correct |
8 |
Correct |
3 ms |
4956 KB |
Output is correct |
9 |
Correct |
5 ms |
4952 KB |
Output is correct |
10 |
Correct |
4 ms |
5212 KB |
Output is correct |
11 |
Correct |
5 ms |
5212 KB |
Output is correct |
12 |
Correct |
6 ms |
5212 KB |
Output is correct |
13 |
Correct |
6 ms |
5208 KB |
Output is correct |
14 |
Correct |
6 ms |
5212 KB |
Output is correct |
15 |
Correct |
4 ms |
5212 KB |
Output is correct |
16 |
Correct |
4 ms |
5212 KB |
Output is correct |
17 |
Correct |
4 ms |
5212 KB |
Output is correct |
18 |
Correct |
5 ms |
5464 KB |
Output is correct |
19 |
Correct |
4 ms |
5212 KB |
Output is correct |
20 |
Correct |
4 ms |
5224 KB |
Output is correct |
21 |
Correct |
4 ms |
5212 KB |
Output is correct |
22 |
Correct |
4 ms |
5212 KB |
Output is correct |
23 |
Correct |
4 ms |
5224 KB |
Output is correct |
24 |
Correct |
4 ms |
5212 KB |
Output is correct |
25 |
Correct |
4 ms |
5220 KB |
Output is correct |
26 |
Correct |
4 ms |
5208 KB |
Output is correct |
27 |
Correct |
1 ms |
4956 KB |
Output is correct |
28 |
Correct |
1 ms |
4956 KB |
Output is correct |
29 |
Correct |
1 ms |
5212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4956 KB |
Output is correct |
2 |
Correct |
1 ms |
4956 KB |
Output is correct |
3 |
Correct |
1 ms |
4956 KB |
Output is correct |
4 |
Correct |
3 ms |
4956 KB |
Output is correct |
5 |
Correct |
3 ms |
4956 KB |
Output is correct |
6 |
Correct |
2 ms |
4956 KB |
Output is correct |
7 |
Correct |
3 ms |
5084 KB |
Output is correct |
8 |
Correct |
3 ms |
4956 KB |
Output is correct |
9 |
Correct |
5 ms |
4952 KB |
Output is correct |
10 |
Correct |
4 ms |
5212 KB |
Output is correct |
11 |
Correct |
5 ms |
5212 KB |
Output is correct |
12 |
Correct |
6 ms |
5212 KB |
Output is correct |
13 |
Correct |
6 ms |
5208 KB |
Output is correct |
14 |
Correct |
6 ms |
5212 KB |
Output is correct |
15 |
Correct |
4 ms |
5212 KB |
Output is correct |
16 |
Correct |
4 ms |
5212 KB |
Output is correct |
17 |
Correct |
4 ms |
5212 KB |
Output is correct |
18 |
Correct |
5 ms |
5464 KB |
Output is correct |
19 |
Correct |
4 ms |
5212 KB |
Output is correct |
20 |
Correct |
4 ms |
5224 KB |
Output is correct |
21 |
Correct |
4 ms |
5212 KB |
Output is correct |
22 |
Correct |
4 ms |
5212 KB |
Output is correct |
23 |
Correct |
4 ms |
5224 KB |
Output is correct |
24 |
Correct |
4 ms |
5212 KB |
Output is correct |
25 |
Correct |
4 ms |
5220 KB |
Output is correct |
26 |
Correct |
4 ms |
5208 KB |
Output is correct |
27 |
Correct |
1 ms |
4956 KB |
Output is correct |
28 |
Correct |
1 ms |
4956 KB |
Output is correct |
29 |
Correct |
1 ms |
5212 KB |
Output is correct |
30 |
Correct |
89 ms |
5464 KB |
Output is correct |
31 |
Correct |
124 ms |
5724 KB |
Output is correct |
32 |
Correct |
185 ms |
5720 KB |
Output is correct |
33 |
Correct |
184 ms |
5880 KB |
Output is correct |
34 |
Correct |
194 ms |
5984 KB |
Output is correct |
35 |
Correct |
366 ms |
5880 KB |
Output is correct |
36 |
Correct |
372 ms |
5904 KB |
Output is correct |
37 |
Correct |
365 ms |
5724 KB |
Output is correct |
38 |
Correct |
174 ms |
5724 KB |
Output is correct |
39 |
Correct |
181 ms |
5980 KB |
Output is correct |
40 |
Correct |
168 ms |
5976 KB |
Output is correct |
41 |
Correct |
337 ms |
5984 KB |
Output is correct |
42 |
Correct |
340 ms |
5980 KB |
Output is correct |
43 |
Correct |
340 ms |
5724 KB |
Output is correct |
44 |
Correct |
171 ms |
5724 KB |
Output is correct |
45 |
Correct |
168 ms |
5908 KB |
Output is correct |
46 |
Correct |
174 ms |
5724 KB |
Output is correct |
47 |
Correct |
354 ms |
5972 KB |
Output is correct |
48 |
Correct |
336 ms |
5720 KB |
Output is correct |
49 |
Correct |
336 ms |
5912 KB |
Output is correct |
50 |
Correct |
173 ms |
5724 KB |
Output is correct |
51 |
Correct |
181 ms |
5892 KB |
Output is correct |
52 |
Correct |
187 ms |
5968 KB |
Output is correct |
53 |
Correct |
178 ms |
5884 KB |
Output is correct |
54 |
Correct |
179 ms |
5884 KB |
Output is correct |
55 |
Correct |
176 ms |
5908 KB |
Output is correct |
56 |
Correct |
2 ms |
5468 KB |
Output is correct |
57 |
Correct |
2 ms |
5212 KB |
Output is correct |
58 |
Correct |
2 ms |
5724 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4956 KB |
Output is correct |
2 |
Correct |
1 ms |
4956 KB |
Output is correct |
3 |
Correct |
2 ms |
5468 KB |
Output is correct |
4 |
Correct |
60 ms |
40868 KB |
Output is correct |
5 |
Correct |
51 ms |
35792 KB |
Output is correct |
6 |
Correct |
58 ms |
44300 KB |
Output is correct |
7 |
Correct |
82 ms |
50560 KB |
Output is correct |
8 |
Correct |
76 ms |
50388 KB |
Output is correct |
9 |
Correct |
96 ms |
50376 KB |
Output is correct |
10 |
Correct |
77 ms |
50716 KB |
Output is correct |
11 |
Correct |
81 ms |
50384 KB |
Output is correct |
12 |
Correct |
83 ms |
50580 KB |
Output is correct |
13 |
Correct |
72 ms |
50380 KB |
Output is correct |
14 |
Correct |
73 ms |
50372 KB |
Output is correct |
15 |
Correct |
41 ms |
20820 KB |
Output is correct |
16 |
Correct |
93 ms |
49984 KB |
Output is correct |
17 |
Correct |
45 ms |
34264 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4952 KB |
Output is correct |
2 |
Correct |
98 ms |
27132 KB |
Output is correct |
3 |
Correct |
119 ms |
37180 KB |
Output is correct |
4 |
Correct |
93 ms |
33124 KB |
Output is correct |
5 |
Correct |
106 ms |
44484 KB |
Output is correct |
6 |
Correct |
113 ms |
43980 KB |
Output is correct |
7 |
Correct |
114 ms |
43720 KB |
Output is correct |
8 |
Correct |
133 ms |
43680 KB |
Output is correct |
9 |
Correct |
189 ms |
43844 KB |
Output is correct |
10 |
Correct |
159 ms |
43844 KB |
Output is correct |
11 |
Correct |
171 ms |
43720 KB |
Output is correct |
12 |
Correct |
166 ms |
43792 KB |
Output is correct |
13 |
Correct |
167 ms |
43684 KB |
Output is correct |
14 |
Correct |
166 ms |
43772 KB |
Output is correct |
15 |
Correct |
100 ms |
43964 KB |
Output is correct |
16 |
Correct |
128 ms |
44164 KB |
Output is correct |
17 |
Correct |
149 ms |
44148 KB |
Output is correct |
18 |
Correct |
154 ms |
44088 KB |
Output is correct |
19 |
Correct |
75 ms |
44488 KB |
Output is correct |
20 |
Correct |
75 ms |
44188 KB |
Output is correct |
21 |
Correct |
106 ms |
43720 KB |
Output is correct |
22 |
Correct |
92 ms |
43716 KB |
Output is correct |
23 |
Correct |
115 ms |
43652 KB |
Output is correct |
24 |
Correct |
180 ms |
43836 KB |
Output is correct |
25 |
Correct |
232 ms |
43832 KB |
Output is correct |
26 |
Correct |
267 ms |
43872 KB |
Output is correct |
27 |
Correct |
402 ms |
43860 KB |
Output is correct |
28 |
Correct |
533 ms |
43720 KB |
Output is correct |
29 |
Correct |
639 ms |
43652 KB |
Output is correct |
30 |
Correct |
838 ms |
43920 KB |
Output is correct |
31 |
Correct |
854 ms |
43896 KB |
Output is correct |
32 |
Correct |
911 ms |
43900 KB |
Output is correct |
33 |
Correct |
698 ms |
44112 KB |
Output is correct |
34 |
Correct |
92 ms |
43972 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4956 KB |
Output is correct |
2 |
Correct |
1 ms |
4956 KB |
Output is correct |
3 |
Correct |
3 ms |
5464 KB |
Output is correct |
4 |
Execution timed out |
5076 ms |
38280 KB |
Time limit exceeded |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4956 KB |
Output is correct |
2 |
Correct |
1 ms |
4956 KB |
Output is correct |
3 |
Correct |
1 ms |
4956 KB |
Output is correct |
4 |
Correct |
3 ms |
4956 KB |
Output is correct |
5 |
Correct |
3 ms |
4956 KB |
Output is correct |
6 |
Correct |
2 ms |
4956 KB |
Output is correct |
7 |
Correct |
3 ms |
5084 KB |
Output is correct |
8 |
Correct |
3 ms |
4956 KB |
Output is correct |
9 |
Correct |
5 ms |
4952 KB |
Output is correct |
10 |
Correct |
4 ms |
5212 KB |
Output is correct |
11 |
Correct |
5 ms |
5212 KB |
Output is correct |
12 |
Correct |
6 ms |
5212 KB |
Output is correct |
13 |
Correct |
6 ms |
5208 KB |
Output is correct |
14 |
Correct |
6 ms |
5212 KB |
Output is correct |
15 |
Correct |
4 ms |
5212 KB |
Output is correct |
16 |
Correct |
4 ms |
5212 KB |
Output is correct |
17 |
Correct |
4 ms |
5212 KB |
Output is correct |
18 |
Correct |
5 ms |
5464 KB |
Output is correct |
19 |
Correct |
4 ms |
5212 KB |
Output is correct |
20 |
Correct |
4 ms |
5224 KB |
Output is correct |
21 |
Correct |
4 ms |
5212 KB |
Output is correct |
22 |
Correct |
4 ms |
5212 KB |
Output is correct |
23 |
Correct |
4 ms |
5224 KB |
Output is correct |
24 |
Correct |
4 ms |
5212 KB |
Output is correct |
25 |
Correct |
4 ms |
5220 KB |
Output is correct |
26 |
Correct |
4 ms |
5208 KB |
Output is correct |
27 |
Correct |
1 ms |
4956 KB |
Output is correct |
28 |
Correct |
1 ms |
4956 KB |
Output is correct |
29 |
Correct |
1 ms |
5212 KB |
Output is correct |
30 |
Correct |
89 ms |
5464 KB |
Output is correct |
31 |
Correct |
124 ms |
5724 KB |
Output is correct |
32 |
Correct |
185 ms |
5720 KB |
Output is correct |
33 |
Correct |
184 ms |
5880 KB |
Output is correct |
34 |
Correct |
194 ms |
5984 KB |
Output is correct |
35 |
Correct |
366 ms |
5880 KB |
Output is correct |
36 |
Correct |
372 ms |
5904 KB |
Output is correct |
37 |
Correct |
365 ms |
5724 KB |
Output is correct |
38 |
Correct |
174 ms |
5724 KB |
Output is correct |
39 |
Correct |
181 ms |
5980 KB |
Output is correct |
40 |
Correct |
168 ms |
5976 KB |
Output is correct |
41 |
Correct |
337 ms |
5984 KB |
Output is correct |
42 |
Correct |
340 ms |
5980 KB |
Output is correct |
43 |
Correct |
340 ms |
5724 KB |
Output is correct |
44 |
Correct |
171 ms |
5724 KB |
Output is correct |
45 |
Correct |
168 ms |
5908 KB |
Output is correct |
46 |
Correct |
174 ms |
5724 KB |
Output is correct |
47 |
Correct |
354 ms |
5972 KB |
Output is correct |
48 |
Correct |
336 ms |
5720 KB |
Output is correct |
49 |
Correct |
336 ms |
5912 KB |
Output is correct |
50 |
Correct |
173 ms |
5724 KB |
Output is correct |
51 |
Correct |
181 ms |
5892 KB |
Output is correct |
52 |
Correct |
187 ms |
5968 KB |
Output is correct |
53 |
Correct |
178 ms |
5884 KB |
Output is correct |
54 |
Correct |
179 ms |
5884 KB |
Output is correct |
55 |
Correct |
176 ms |
5908 KB |
Output is correct |
56 |
Correct |
2 ms |
5468 KB |
Output is correct |
57 |
Correct |
2 ms |
5212 KB |
Output is correct |
58 |
Correct |
2 ms |
5724 KB |
Output is correct |
59 |
Correct |
1 ms |
4956 KB |
Output is correct |
60 |
Correct |
1 ms |
4956 KB |
Output is correct |
61 |
Correct |
2 ms |
5468 KB |
Output is correct |
62 |
Correct |
60 ms |
40868 KB |
Output is correct |
63 |
Correct |
51 ms |
35792 KB |
Output is correct |
64 |
Correct |
58 ms |
44300 KB |
Output is correct |
65 |
Correct |
82 ms |
50560 KB |
Output is correct |
66 |
Correct |
76 ms |
50388 KB |
Output is correct |
67 |
Correct |
96 ms |
50376 KB |
Output is correct |
68 |
Correct |
77 ms |
50716 KB |
Output is correct |
69 |
Correct |
81 ms |
50384 KB |
Output is correct |
70 |
Correct |
83 ms |
50580 KB |
Output is correct |
71 |
Correct |
72 ms |
50380 KB |
Output is correct |
72 |
Correct |
73 ms |
50372 KB |
Output is correct |
73 |
Correct |
41 ms |
20820 KB |
Output is correct |
74 |
Correct |
93 ms |
49984 KB |
Output is correct |
75 |
Correct |
45 ms |
34264 KB |
Output is correct |
76 |
Correct |
1 ms |
4952 KB |
Output is correct |
77 |
Correct |
98 ms |
27132 KB |
Output is correct |
78 |
Correct |
119 ms |
37180 KB |
Output is correct |
79 |
Correct |
93 ms |
33124 KB |
Output is correct |
80 |
Correct |
106 ms |
44484 KB |
Output is correct |
81 |
Correct |
113 ms |
43980 KB |
Output is correct |
82 |
Correct |
114 ms |
43720 KB |
Output is correct |
83 |
Correct |
133 ms |
43680 KB |
Output is correct |
84 |
Correct |
189 ms |
43844 KB |
Output is correct |
85 |
Correct |
159 ms |
43844 KB |
Output is correct |
86 |
Correct |
171 ms |
43720 KB |
Output is correct |
87 |
Correct |
166 ms |
43792 KB |
Output is correct |
88 |
Correct |
167 ms |
43684 KB |
Output is correct |
89 |
Correct |
166 ms |
43772 KB |
Output is correct |
90 |
Correct |
100 ms |
43964 KB |
Output is correct |
91 |
Correct |
128 ms |
44164 KB |
Output is correct |
92 |
Correct |
149 ms |
44148 KB |
Output is correct |
93 |
Correct |
154 ms |
44088 KB |
Output is correct |
94 |
Correct |
75 ms |
44488 KB |
Output is correct |
95 |
Correct |
75 ms |
44188 KB |
Output is correct |
96 |
Correct |
106 ms |
43720 KB |
Output is correct |
97 |
Correct |
92 ms |
43716 KB |
Output is correct |
98 |
Correct |
115 ms |
43652 KB |
Output is correct |
99 |
Correct |
180 ms |
43836 KB |
Output is correct |
100 |
Correct |
232 ms |
43832 KB |
Output is correct |
101 |
Correct |
267 ms |
43872 KB |
Output is correct |
102 |
Correct |
402 ms |
43860 KB |
Output is correct |
103 |
Correct |
533 ms |
43720 KB |
Output is correct |
104 |
Correct |
639 ms |
43652 KB |
Output is correct |
105 |
Correct |
838 ms |
43920 KB |
Output is correct |
106 |
Correct |
854 ms |
43896 KB |
Output is correct |
107 |
Correct |
911 ms |
43900 KB |
Output is correct |
108 |
Correct |
698 ms |
44112 KB |
Output is correct |
109 |
Correct |
92 ms |
43972 KB |
Output is correct |
110 |
Correct |
1 ms |
4956 KB |
Output is correct |
111 |
Correct |
1 ms |
4956 KB |
Output is correct |
112 |
Correct |
3 ms |
5464 KB |
Output is correct |
113 |
Execution timed out |
5076 ms |
38280 KB |
Time limit exceeded |
114 |
Halted |
0 ms |
0 KB |
- |