oj.uz

Submission #478259

# Submission time Handle Problem Language Result Execution time Memory
478259 2021-10-06T18:03:11 Z Vladth11 Birthday gift (IZhO18_treearray) C++14
100 / 100
 1288 ms 87852 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define debug(x) cerr << #x << " " << x << "\n"
#define debugs(x) cerr << #x << " " << x << " "
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef pair <ll, ll> pii;
typedef pair <long double, pii> muchie;
 
const ll NMAX = 200001;
const ll VMAX = 21;
const ll INF = (1LL << 59);
const ll MOD = 998244353;
const ll BLOCK = 318;
const ll base = 31;
const ll nr_of_bits = 21;
 
vector <int> v[NMAX];
int dp[NMAX][nr_of_bits + 1];
set <pii> st[NMAX];
int a[NMAX], m;
 
 
pii timp[NMAX];
int stamp;
 
bool isParent(int a, int b){
    return timp[a].first <= timp[b].first && timp[b].second <= timp[a].second;
}
 
int LCA(int a, int b){
    if(isParent(a, b))
        return a;
    if(isParent(b, a))
        return b;
    int r = b, pas = nr_of_bits;
    while(pas >= 0){
        int nxt = dp[r][pas];
        if(nxt != 0 && !isParent(nxt, a))
            r = nxt;
        pas--;
    }
    if(!isParent(r, a))
        r = dp[r][0];
    return r;
}
 
void sterge(int stt, int dr){
    if(stt < 1)
        return;
    if(dr > m)
        return;
    int lca = LCA(a[stt], a[dr]);
    st[lca].erase({stt, dr});
}
 
void pune(int stt, int dr){
    if(stt < 1)
        return;
    if(dr > m)
        return;
    int lca = LCA(a[stt], a[dr]);
    st[lca].insert({stt, dr});
}
 
void DFS(int node, int p){
    dp[node][0] = p;
    timp[node].first = ++stamp;
    for(auto x : v[node]){
        if(x == p)
            continue;
        DFS(x, node);
    }
    timp[node].second = stamp;
}
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n, q, i, j;
    cin >> n >> m >> q;
    for(i = 1; i < n; i++){
        int x, y;
        cin >> x >> y;
        v[x].push_back(y);
        v[y].push_back(x);
    }
    DFS(1, 0);
    for(j = 1; j <= nr_of_bits; j++){
        for(i = 1; i <= n; i++){
            dp[i][j] = dp[dp[i][j - 1]][j - 1];
        }
    }
    for(i = 1; i <= m; i++){
        cin >> a[i];
        st[a[i]].insert({i, i});
    }
    for(i = 2; i <= m; i++){
        pune(i - 1, i);
    }
    while(q--){
        int c, l, r;
        cin >> c >> l >> r;
        if(c == 1){
            st[a[l]].erase({l, l});
            sterge(l - 1, l);
            sterge(l, l + 1);
            a[l] = r;
            pune(l - 1, l);
            pune(l, l + 1);
            st[a[l]].insert({l, l});
        }else{
            int x;
            cin >> x;
          
            pii it = *st[x].lower_bound({l, 0});	
         	if(st[x].lower_bound({l, 0}) == st[x].end()){
              	cout << "-1 -1\n";
				continue;
            }
            if(it.first >= l && it.second <= r){
                cout << it.first << " " << it.second << "\n";
            }else{
                cout << "-1 -1\n";
            }
        }
    }
    return 0;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 14412 KB n=5
2 Correct 8 ms 14412 KB n=100
3 Correct 8 ms 14412 KB n=100
4 Correct 8 ms 14444 KB n=100
5 Correct 8 ms 14412 KB n=100
6 Correct 8 ms 14412 KB n=100
7 Correct 10 ms 14412 KB n=100
8 Correct 8 ms 14444 KB n=100
9 Correct 8 ms 14412 KB n=100
10 Correct 8 ms 14412 KB n=100
11 Correct 8 ms 14412 KB n=100
12 Correct 11 ms 14404 KB n=100
13 Correct 8 ms 14412 KB n=100
14 Correct 9 ms 14448 KB n=100
15 Correct 8 ms 14448 KB n=100
16 Correct 8 ms 14412 KB n=100
17 Correct 8 ms 14412 KB n=100
18 Correct 9 ms 14448 KB n=100
19 Correct 8 ms 14412 KB n=100
20 Correct 9 ms 14448 KB n=100
21 Correct 9 ms 14416 KB n=100
22 Correct 8 ms 14412 KB n=100
23 Correct 9 ms 14412 KB n=100
24 Correct 9 ms 14412 KB n=100
25 Correct 8 ms 14412 KB n=100
26 Correct 9 ms 14412 KB n=12
27 Correct 7 ms 14412 KB n=100

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 14412 KB n=5
2 Correct 8 ms 14412 KB n=100
3 Correct 8 ms 14412 KB n=100
4 Correct 8 ms 14444 KB n=100
5 Correct 8 ms 14412 KB n=100
6 Correct 8 ms 14412 KB n=100
7 Correct 10 ms 14412 KB n=100
8 Correct 8 ms 14444 KB n=100
9 Correct 8 ms 14412 KB n=100
10 Correct 8 ms 14412 KB n=100
11 Correct 8 ms 14412 KB n=100
12 Correct 11 ms 14404 KB n=100
13 Correct 8 ms 14412 KB n=100
14 Correct 9 ms 14448 KB n=100
15 Correct 8 ms 14448 KB n=100
16 Correct 8 ms 14412 KB n=100
17 Correct 8 ms 14412 KB n=100
18 Correct 9 ms 14448 KB n=100
19 Correct 8 ms 14412 KB n=100
20 Correct 9 ms 14448 KB n=100
21 Correct 9 ms 14416 KB n=100
22 Correct 8 ms 14412 KB n=100
23 Correct 9 ms 14412 KB n=100
24 Correct 9 ms 14412 KB n=100
25 Correct 8 ms 14412 KB n=100
26 Correct 9 ms 14412 KB n=12
27 Correct 7 ms 14412 KB n=100
28 Correct 10 ms 14532 KB n=500
29 Correct 8 ms 14560 KB n=500
30 Correct 8 ms 14540 KB n=500
31 Correct 8 ms 14540 KB n=500
32 Correct 8 ms 14540 KB n=500
33 Correct 9 ms 14572 KB n=500
34 Correct 9 ms 14504 KB n=500
35 Correct 10 ms 14540 KB n=500
36 Correct 8 ms 14540 KB n=500
37 Correct 8 ms 14540 KB n=500
38 Correct 8 ms 14540 KB n=500
39 Correct 9 ms 14568 KB n=500
40 Correct 9 ms 14540 KB n=500
41 Correct 9 ms 14460 KB n=500
42 Correct 9 ms 14568 KB n=500
43 Correct 8 ms 14540 KB n=500
44 Correct 8 ms 14540 KB n=500
45 Correct 9 ms 14512 KB n=500
46 Correct 9 ms 14592 KB n=500
47 Correct 9 ms 14540 KB n=500
48 Correct 10 ms 14516 KB n=500
49 Correct 8 ms 14600 KB n=500
50 Correct 8 ms 14584 KB n=500
51 Correct 10 ms 14544 KB n=500
52 Correct 9 ms 14560 KB n=500
53 Correct 12 ms 14568 KB n=500
54 Correct 9 ms 14544 KB n=500
55 Correct 9 ms 14544 KB n=278
56 Correct 8 ms 14544 KB n=500
57 Correct 8 ms 14508 KB n=500
58 Correct 9 ms 14592 KB n=500

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 14412 KB n=5
2 Correct 8 ms 14412 KB n=100
3 Correct 8 ms 14412 KB n=100
4 Correct 8 ms 14444 KB n=100
5 Correct 8 ms 14412 KB n=100
6 Correct 8 ms 14412 KB n=100
7 Correct 10 ms 14412 KB n=100
8 Correct 8 ms 14444 KB n=100
9 Correct 8 ms 14412 KB n=100
10 Correct 8 ms 14412 KB n=100
11 Correct 8 ms 14412 KB n=100
12 Correct 11 ms 14404 KB n=100
13 Correct 8 ms 14412 KB n=100
14 Correct 9 ms 14448 KB n=100
15 Correct 8 ms 14448 KB n=100
16 Correct 8 ms 14412 KB n=100
17 Correct 8 ms 14412 KB n=100
18 Correct 9 ms 14448 KB n=100
19 Correct 8 ms 14412 KB n=100
20 Correct 9 ms 14448 KB n=100
21 Correct 9 ms 14416 KB n=100
22 Correct 8 ms 14412 KB n=100
23 Correct 9 ms 14412 KB n=100
24 Correct 9 ms 14412 KB n=100
25 Correct 8 ms 14412 KB n=100
26 Correct 9 ms 14412 KB n=12
27 Correct 7 ms 14412 KB n=100
28 Correct 10 ms 14532 KB n=500
29 Correct 8 ms 14560 KB n=500
30 Correct 8 ms 14540 KB n=500
31 Correct 8 ms 14540 KB n=500
32 Correct 8 ms 14540 KB n=500
33 Correct 9 ms 14572 KB n=500
34 Correct 9 ms 14504 KB n=500
35 Correct 10 ms 14540 KB n=500
36 Correct 8 ms 14540 KB n=500
37 Correct 8 ms 14540 KB n=500
38 Correct 8 ms 14540 KB n=500
39 Correct 9 ms 14568 KB n=500
40 Correct 9 ms 14540 KB n=500
41 Correct 9 ms 14460 KB n=500
42 Correct 9 ms 14568 KB n=500
43 Correct 8 ms 14540 KB n=500
44 Correct 8 ms 14540 KB n=500
45 Correct 9 ms 14512 KB n=500
46 Correct 9 ms 14592 KB n=500
47 Correct 9 ms 14540 KB n=500
48 Correct 10 ms 14516 KB n=500
49 Correct 8 ms 14600 KB n=500
50 Correct 8 ms 14584 KB n=500
51 Correct 10 ms 14544 KB n=500
52 Correct 9 ms 14560 KB n=500
53 Correct 12 ms 14568 KB n=500
54 Correct 9 ms 14544 KB n=500
55 Correct 9 ms 14544 KB n=278
56 Correct 8 ms 14544 KB n=500
57 Correct 8 ms 14508 KB n=500
58 Correct 9 ms 14592 KB n=500
59 Correct 13 ms 14928 KB n=2000
60 Correct 13 ms 15056 KB n=2000
61 Correct 11 ms 15056 KB n=2000
62 Correct 12 ms 14952 KB n=2000
63 Correct 12 ms 14928 KB n=2000
64 Correct 11 ms 15056 KB n=2000
65 Correct 12 ms 14928 KB n=2000
66 Correct 12 ms 15084 KB n=2000
67 Correct 12 ms 14928 KB n=2000
68 Correct 13 ms 14964 KB n=2000
69 Correct 11 ms 14928 KB n=2000
70 Correct 11 ms 14928 KB n=2000
71 Correct 11 ms 14928 KB n=2000
72 Correct 10 ms 14928 KB n=2000
73 Correct 10 ms 14928 KB n=2000
74 Correct 12 ms 14992 KB n=1844
75 Correct 12 ms 15020 KB n=2000
76 Correct 12 ms 14928 KB n=2000
77 Correct 11 ms 14928 KB n=2000
78 Correct 15 ms 14912 KB n=2000
79 Correct 12 ms 14992 KB n=2000
80 Correct 15 ms 15056 KB n=2000
81 Correct 12 ms 15064 KB n=2000
82 Correct 11 ms 14988 KB n=2000
83 Correct 11 ms 15056 KB n=2000
84 Correct 11 ms 14952 KB n=2000
85 Correct 11 ms 14952 KB n=2000
86 Correct 13 ms 14980 KB n=2000
87 Correct 12 ms 14928 KB n=2000
88 Correct 12 ms 15056 KB n=2000
89 Correct 11 ms 15096 KB n=2000
90 Correct 11 ms 15056 KB n=2000
91 Correct 10 ms 14956 KB n=2000

Subtask #4
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 14412 KB n=5
2 Correct 8 ms 14412 KB n=100
3 Correct 8 ms 14412 KB n=100
4 Correct 8 ms 14444 KB n=100
5 Correct 8 ms 14412 KB n=100
6 Correct 8 ms 14412 KB n=100
7 Correct 10 ms 14412 KB n=100
8 Correct 8 ms 14444 KB n=100
9 Correct 8 ms 14412 KB n=100
10 Correct 8 ms 14412 KB n=100
11 Correct 8 ms 14412 KB n=100
12 Correct 11 ms 14404 KB n=100
13 Correct 8 ms 14412 KB n=100
14 Correct 9 ms 14448 KB n=100
15 Correct 8 ms 14448 KB n=100
16 Correct 8 ms 14412 KB n=100
17 Correct 8 ms 14412 KB n=100
18 Correct 9 ms 14448 KB n=100
19 Correct 8 ms 14412 KB n=100
20 Correct 9 ms 14448 KB n=100
21 Correct 9 ms 14416 KB n=100
22 Correct 8 ms 14412 KB n=100
23 Correct 9 ms 14412 KB n=100
24 Correct 9 ms 14412 KB n=100
25 Correct 8 ms 14412 KB n=100
26 Correct 9 ms 14412 KB n=12
27 Correct 7 ms 14412 KB n=100
28 Correct 10 ms 14532 KB n=500
29 Correct 8 ms 14560 KB n=500
30 Correct 8 ms 14540 KB n=500
31 Correct 8 ms 14540 KB n=500
32 Correct 8 ms 14540 KB n=500
33 Correct 9 ms 14572 KB n=500
34 Correct 9 ms 14504 KB n=500
35 Correct 10 ms 14540 KB n=500
36 Correct 8 ms 14540 KB n=500
37 Correct 8 ms 14540 KB n=500
38 Correct 8 ms 14540 KB n=500
39 Correct 9 ms 14568 KB n=500
40 Correct 9 ms 14540 KB n=500
41 Correct 9 ms 14460 KB n=500
42 Correct 9 ms 14568 KB n=500
43 Correct 8 ms 14540 KB n=500
44 Correct 8 ms 14540 KB n=500
45 Correct 9 ms 14512 KB n=500
46 Correct 9 ms 14592 KB n=500
47 Correct 9 ms 14540 KB n=500
48 Correct 10 ms 14516 KB n=500
49 Correct 8 ms 14600 KB n=500
50 Correct 8 ms 14584 KB n=500
51 Correct 10 ms 14544 KB n=500
52 Correct 9 ms 14560 KB n=500
53 Correct 12 ms 14568 KB n=500
54 Correct 9 ms 14544 KB n=500
55 Correct 9 ms 14544 KB n=278
56 Correct 8 ms 14544 KB n=500
57 Correct 8 ms 14508 KB n=500
58 Correct 9 ms 14592 KB n=500
59 Correct 13 ms 14928 KB n=2000
60 Correct 13 ms 15056 KB n=2000
61 Correct 11 ms 15056 KB n=2000
62 Correct 12 ms 14952 KB n=2000
63 Correct 12 ms 14928 KB n=2000
64 Correct 11 ms 15056 KB n=2000
65 Correct 12 ms 14928 KB n=2000
66 Correct 12 ms 15084 KB n=2000
67 Correct 12 ms 14928 KB n=2000
68 Correct 13 ms 14964 KB n=2000
69 Correct 11 ms 14928 KB n=2000
70 Correct 11 ms 14928 KB n=2000
71 Correct 11 ms 14928 KB n=2000
72 Correct 10 ms 14928 KB n=2000
73 Correct 10 ms 14928 KB n=2000
74 Correct 12 ms 14992 KB n=1844
75 Correct 12 ms 15020 KB n=2000
76 Correct 12 ms 14928 KB n=2000
77 Correct 11 ms 14928 KB n=2000
78 Correct 15 ms 14912 KB n=2000
79 Correct 12 ms 14992 KB n=2000
80 Correct 15 ms 15056 KB n=2000
81 Correct 12 ms 15064 KB n=2000
82 Correct 11 ms 14988 KB n=2000
83 Correct 11 ms 15056 KB n=2000
84 Correct 11 ms 14952 KB n=2000
85 Correct 11 ms 14952 KB n=2000
86 Correct 13 ms 14980 KB n=2000
87 Correct 12 ms 14928 KB n=2000
88 Correct 12 ms 15056 KB n=2000
89 Correct 11 ms 15096 KB n=2000
90 Correct 11 ms 15056 KB n=2000
91 Correct 10 ms 14956 KB n=2000
92 Correct 777 ms 75324 KB n=200000
93 Correct 988 ms 81808 KB n=200000
94 Correct 700 ms 86240 KB n=200000
95 Correct 807 ms 75072 KB n=200000
96 Correct 776 ms 75060 KB n=200000
97 Correct 1074 ms 80628 KB n=200000
98 Correct 757 ms 75084 KB n=200000
99 Correct 829 ms 75332 KB n=200000
100 Correct 806 ms 75172 KB n=200000
101 Correct 595 ms 87852 KB n=200000
102 Correct 426 ms 76360 KB n=200000
103 Correct 436 ms 76280 KB n=200000
104 Correct 431 ms 76340 KB n=200000
105 Correct 501 ms 76744 KB n=200000
106 Correct 446 ms 76764 KB n=200000
107 Correct 441 ms 76660 KB n=200000
108 Correct 787 ms 75188 KB n=200000
109 Correct 774 ms 75336 KB n=200000
110 Correct 830 ms 75208 KB n=200000
111 Correct 737 ms 74576 KB n=200000
112 Correct 652 ms 86612 KB n=200000
113 Correct 1014 ms 80660 KB n=200000
114 Correct 740 ms 74836 KB n=200000
115 Correct 1288 ms 77728 KB n=200000
116 Correct 703 ms 75360 KB n=200000
117 Correct 628 ms 87116 KB n=200000
118 Correct 1095 ms 79048 KB n=200000
119 Correct 674 ms 75224 KB n=200000
120 Correct 605 ms 87012 KB n=200000
121 Correct 620 ms 86892 KB n=200000
122 Correct 629 ms 87280 KB n=200000
123 Correct 422 ms 76436 KB n=200000
124 Correct 184 ms 32968 KB n=25264