oj.uz

Submission #945173

# Submission time Handle Problem Language Result Execution time Memory
945173 2024-03-13T13:32:08 Z dilanyan Birthday gift (IZhO18_treearray) C++17
100 / 100
 824 ms 75576 KB 
//-------------dilanyan------------\\ 
 
#define _CRT_SECURE_NO_WARNINGS
#include<bits/stdc++.h>
#include<stdio.h>
using namespace std;
 
//------------------KarginDefines--------------------\\ 
 
#define ll long long
#define pb push_back
#define all(u) (u).begin(), (u).end()
#define pqueue priority_queue
#define upper upper_bound
#define lower lower_bound
#define umap unordered_map
#define uset unordered_set
#define Kargin ios_base::sync_with_stdio(false);cin.tie(NULL);
#define Usaco freopen(".in", "r", stdin); freopen(".out", "w", stdout);
 
 
//-------------------KarginConstants------------------\\ 
 
const ll mod = 1000000007;
const ll inf = 1e9 + 15;
 
//-------------------KarginCode------------------------\\ 
 
const int N = 200005;
 
int a[N];
vector<int> g[N];
int tin[N], tout[N], tim = 0;
int up[N][20];
 
void dfs(int u, int p) {
    tin[u] = tim++;
    up[u][0] = p;
    for (int v : g[u]) {
        if (v != p) dfs(v, u);
    }
    tout[u] = tim;
}
 
bool anc(int u, int v) {
    return tin[u] <= tin[v] && tout[u] >= tout[v];
}
 
int lca(int x, int y) {
    if (anc(x, y)) return x;
    if (anc(y, x)) return y;
    for (int i = 19;i >= 0;i--) {
        if (!anc(up[x][i], y)) x = up[x][i];
    }
    return up[x][0];
}
 
multiset<int> st[N];
 
void KarginSolve() {
    int n, m, q;
    cin >> n >> m >> q;
    for (int i = 0;i < n - 1;i++) {
        int u, v;
        cin >> u >> v;
        g[u].pb(v), g[v].pb(u);
    }
    for (int i = 1;i <= m;i++) cin >> a[i];
    dfs(1, 1);
    for (int j = 1;j < 20;j++) {
        for (int i = 1;i <= n;i++) {
            up[i][j] = up[up[i][j - 1]][j - 1];
        }
    }
    for (int i = 1;i < m;i++) {
        st[lca(a[i], a[i + 1])].insert(i);
        st[a[i]].insert(i);
    }
    st[a[m]].insert(m);
    while (q--) {
        int t; cin >> t;
        if (t == 1) {
            int pos, v;
            cin >> pos >> v;
            st[a[pos]].erase(st[a[pos]].find(pos));
            st[v].insert(pos);
            if (pos != 1) {
                st[lca(a[pos - 1], a[pos])].erase(st[lca(a[pos - 1], a[pos])].find(pos - 1));
                st[lca(a[pos - 1], v)].insert(pos - 1);
            }
            if (pos != m) {
                st[lca(a[pos], a[pos + 1])].erase(st[lca(a[pos], a[pos + 1])].find(pos));
                st[lca(v, a[pos + 1])].insert(pos);
            }
            a[pos] = v;
        }
        else {
            int l, r, v;
            cin >> l >> r >> v;
            auto it = st[v].lower(l);
            if (it == st[v].end()) {
                cout << "-1 -1\n";
            }
            else if (*it <= r) {
                if (a[*it] == v) cout << *it << ' ' << *it << '\n';
                else if (*it + 1 <= r) cout << *it << ' ' << *it + 1 << '\n';
                else cout << "-1 -1\n";
            }
            else cout << "-1 -1\n";
        }
    }
}
 
int main() {
    Kargin;
    int test = 1;
    //cin >> test;
    while (test--) {
        KarginSolve();
    }
    return 0;
}

Compilation message

treearray.cpp:1:1: warning: multi-line comment [-Wcomment]
    1 | //-------------dilanyan------------\\
      | ^
treearray.cpp:8:1: warning: multi-line comment [-Wcomment]
    8 | //------------------KarginDefines--------------------\\
      | ^
treearray.cpp:22:1: warning: multi-line comment [-Wcomment]
   22 | //-------------------KarginConstants------------------\\
      | ^
treearray.cpp:27:1: warning: multi-line comment [-Wcomment]
   27 | //-------------------KarginCode------------------------\\
      | ^

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 17240 KB n=5
2 Correct 4 ms 17244 KB n=100
3 Correct 4 ms 17336 KB n=100
4 Correct 4 ms 17240 KB n=100
5 Correct 3 ms 17244 KB n=100
6 Correct 3 ms 17240 KB n=100
7 Correct 4 ms 17244 KB n=100
8 Correct 3 ms 17240 KB n=100
9 Correct 4 ms 17244 KB n=100
10 Correct 3 ms 17240 KB n=100
11 Correct 3 ms 17496 KB n=100
12 Correct 4 ms 17340 KB n=100
13 Correct 4 ms 17240 KB n=100
14 Correct 3 ms 17244 KB n=100
15 Correct 4 ms 17244 KB n=100
16 Correct 3 ms 17244 KB n=100
17 Correct 4 ms 17244 KB n=100
18 Correct 3 ms 17244 KB n=100
19 Correct 3 ms 17244 KB n=100
20 Correct 4 ms 17244 KB n=100
21 Correct 4 ms 17240 KB n=100
22 Correct 4 ms 17496 KB n=100
23 Correct 3 ms 17496 KB n=100
24 Correct 3 ms 17244 KB n=100
25 Correct 3 ms 17240 KB n=100
26 Correct 4 ms 17244 KB n=12
27 Correct 4 ms 17440 KB n=100

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 17240 KB n=5
2 Correct 4 ms 17244 KB n=100
3 Correct 4 ms 17336 KB n=100
4 Correct 4 ms 17240 KB n=100
5 Correct 3 ms 17244 KB n=100
6 Correct 3 ms 17240 KB n=100
7 Correct 4 ms 17244 KB n=100
8 Correct 3 ms 17240 KB n=100
9 Correct 4 ms 17244 KB n=100
10 Correct 3 ms 17240 KB n=100
11 Correct 3 ms 17496 KB n=100
12 Correct 4 ms 17340 KB n=100
13 Correct 4 ms 17240 KB n=100
14 Correct 3 ms 17244 KB n=100
15 Correct 4 ms 17244 KB n=100
16 Correct 3 ms 17244 KB n=100
17 Correct 4 ms 17244 KB n=100
18 Correct 3 ms 17244 KB n=100
19 Correct 3 ms 17244 KB n=100
20 Correct 4 ms 17244 KB n=100
21 Correct 4 ms 17240 KB n=100
22 Correct 4 ms 17496 KB n=100
23 Correct 3 ms 17496 KB n=100
24 Correct 3 ms 17244 KB n=100
25 Correct 3 ms 17240 KB n=100
26 Correct 4 ms 17244 KB n=12
27 Correct 4 ms 17440 KB n=100
28 Correct 4 ms 17240 KB n=500
29 Correct 4 ms 17496 KB n=500
30 Correct 5 ms 17240 KB n=500
31 Correct 4 ms 17500 KB n=500
32 Correct 4 ms 17240 KB n=500
33 Correct 4 ms 17240 KB n=500
34 Correct 4 ms 17500 KB n=500
35 Correct 4 ms 17500 KB n=500
36 Correct 5 ms 17244 KB n=500
37 Correct 4 ms 17244 KB n=500
38 Correct 4 ms 17244 KB n=500
39 Correct 5 ms 17240 KB n=500
40 Correct 4 ms 17496 KB n=500
41 Correct 4 ms 17244 KB n=500
42 Correct 4 ms 17244 KB n=500
43 Correct 4 ms 17240 KB n=500
44 Correct 5 ms 17244 KB n=500
45 Correct 4 ms 17496 KB n=500
46 Correct 4 ms 17500 KB n=500
47 Correct 4 ms 17496 KB n=500
48 Correct 4 ms 17244 KB n=500
49 Correct 4 ms 17256 KB n=500
50 Correct 4 ms 17244 KB n=500
51 Correct 4 ms 17240 KB n=500
52 Correct 4 ms 17500 KB n=500
53 Correct 4 ms 17324 KB n=500
54 Correct 4 ms 17496 KB n=500
55 Correct 4 ms 17244 KB n=278
56 Correct 4 ms 17500 KB n=500
57 Correct 4 ms 17500 KB n=500
58 Correct 4 ms 17244 KB n=500

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 17240 KB n=5
2 Correct 4 ms 17244 KB n=100
3 Correct 4 ms 17336 KB n=100
4 Correct 4 ms 17240 KB n=100
5 Correct 3 ms 17244 KB n=100
6 Correct 3 ms 17240 KB n=100
7 Correct 4 ms 17244 KB n=100
8 Correct 3 ms 17240 KB n=100
9 Correct 4 ms 17244 KB n=100
10 Correct 3 ms 17240 KB n=100
11 Correct 3 ms 17496 KB n=100
12 Correct 4 ms 17340 KB n=100
13 Correct 4 ms 17240 KB n=100
14 Correct 3 ms 17244 KB n=100
15 Correct 4 ms 17244 KB n=100
16 Correct 3 ms 17244 KB n=100
17 Correct 4 ms 17244 KB n=100
18 Correct 3 ms 17244 KB n=100
19 Correct 3 ms 17244 KB n=100
20 Correct 4 ms 17244 KB n=100
21 Correct 4 ms 17240 KB n=100
22 Correct 4 ms 17496 KB n=100
23 Correct 3 ms 17496 KB n=100
24 Correct 3 ms 17244 KB n=100
25 Correct 3 ms 17240 KB n=100
26 Correct 4 ms 17244 KB n=12
27 Correct 4 ms 17440 KB n=100
28 Correct 4 ms 17240 KB n=500
29 Correct 4 ms 17496 KB n=500
30 Correct 5 ms 17240 KB n=500
31 Correct 4 ms 17500 KB n=500
32 Correct 4 ms 17240 KB n=500
33 Correct 4 ms 17240 KB n=500
34 Correct 4 ms 17500 KB n=500
35 Correct 4 ms 17500 KB n=500
36 Correct 5 ms 17244 KB n=500
37 Correct 4 ms 17244 KB n=500
38 Correct 4 ms 17244 KB n=500
39 Correct 5 ms 17240 KB n=500
40 Correct 4 ms 17496 KB n=500
41 Correct 4 ms 17244 KB n=500
42 Correct 4 ms 17244 KB n=500
43 Correct 4 ms 17240 KB n=500
44 Correct 5 ms 17244 KB n=500
45 Correct 4 ms 17496 KB n=500
46 Correct 4 ms 17500 KB n=500
47 Correct 4 ms 17496 KB n=500
48 Correct 4 ms 17244 KB n=500
49 Correct 4 ms 17256 KB n=500
50 Correct 4 ms 17244 KB n=500
51 Correct 4 ms 17240 KB n=500
52 Correct 4 ms 17500 KB n=500
53 Correct 4 ms 17324 KB n=500
54 Correct 4 ms 17496 KB n=500
55 Correct 4 ms 17244 KB n=278
56 Correct 4 ms 17500 KB n=500
57 Correct 4 ms 17500 KB n=500
58 Correct 4 ms 17244 KB n=500
59 Correct 6 ms 17496 KB n=2000
60 Correct 5 ms 17756 KB n=2000
61 Correct 6 ms 17756 KB n=2000
62 Correct 6 ms 17756 KB n=2000
63 Correct 6 ms 17500 KB n=2000
64 Correct 6 ms 17756 KB n=2000
65 Correct 6 ms 17500 KB n=2000
66 Correct 6 ms 17756 KB n=2000
67 Correct 6 ms 17500 KB n=2000
68 Correct 6 ms 17596 KB n=2000
69 Correct 5 ms 17500 KB n=2000
70 Correct 5 ms 17500 KB n=2000
71 Correct 5 ms 17496 KB n=2000
72 Correct 5 ms 17500 KB n=2000
73 Correct 6 ms 17756 KB n=2000
74 Correct 6 ms 17500 KB n=1844
75 Correct 5 ms 17676 KB n=2000
76 Correct 6 ms 17500 KB n=2000
77 Correct 6 ms 17500 KB n=2000
78 Correct 6 ms 17500 KB n=2000
79 Correct 6 ms 17500 KB n=2000
80 Correct 7 ms 17756 KB n=2000
81 Correct 6 ms 17752 KB n=2000
82 Correct 6 ms 17752 KB n=2000
83 Correct 5 ms 17752 KB n=2000
84 Correct 6 ms 17500 KB n=2000
85 Correct 5 ms 17756 KB n=2000
86 Correct 6 ms 17628 KB n=2000
87 Correct 6 ms 17500 KB n=2000
88 Correct 5 ms 17756 KB n=2000
89 Correct 5 ms 17756 KB n=2000
90 Correct 5 ms 17756 KB n=2000
91 Correct 5 ms 17500 KB n=2000

Subtask #4
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 17240 KB n=5
2 Correct 4 ms 17244 KB n=100
3 Correct 4 ms 17336 KB n=100
4 Correct 4 ms 17240 KB n=100
5 Correct 3 ms 17244 KB n=100
6 Correct 3 ms 17240 KB n=100
7 Correct 4 ms 17244 KB n=100
8 Correct 3 ms 17240 KB n=100
9 Correct 4 ms 17244 KB n=100
10 Correct 3 ms 17240 KB n=100
11 Correct 3 ms 17496 KB n=100
12 Correct 4 ms 17340 KB n=100
13 Correct 4 ms 17240 KB n=100
14 Correct 3 ms 17244 KB n=100
15 Correct 4 ms 17244 KB n=100
16 Correct 3 ms 17244 KB n=100
17 Correct 4 ms 17244 KB n=100
18 Correct 3 ms 17244 KB n=100
19 Correct 3 ms 17244 KB n=100
20 Correct 4 ms 17244 KB n=100
21 Correct 4 ms 17240 KB n=100
22 Correct 4 ms 17496 KB n=100
23 Correct 3 ms 17496 KB n=100
24 Correct 3 ms 17244 KB n=100
25 Correct 3 ms 17240 KB n=100
26 Correct 4 ms 17244 KB n=12
27 Correct 4 ms 17440 KB n=100
28 Correct 4 ms 17240 KB n=500
29 Correct 4 ms 17496 KB n=500
30 Correct 5 ms 17240 KB n=500
31 Correct 4 ms 17500 KB n=500
32 Correct 4 ms 17240 KB n=500
33 Correct 4 ms 17240 KB n=500
34 Correct 4 ms 17500 KB n=500
35 Correct 4 ms 17500 KB n=500
36 Correct 5 ms 17244 KB n=500
37 Correct 4 ms 17244 KB n=500
38 Correct 4 ms 17244 KB n=500
39 Correct 5 ms 17240 KB n=500
40 Correct 4 ms 17496 KB n=500
41 Correct 4 ms 17244 KB n=500
42 Correct 4 ms 17244 KB n=500
43 Correct 4 ms 17240 KB n=500
44 Correct 5 ms 17244 KB n=500
45 Correct 4 ms 17496 KB n=500
46 Correct 4 ms 17500 KB n=500
47 Correct 4 ms 17496 KB n=500
48 Correct 4 ms 17244 KB n=500
49 Correct 4 ms 17256 KB n=500
50 Correct 4 ms 17244 KB n=500
51 Correct 4 ms 17240 KB n=500
52 Correct 4 ms 17500 KB n=500
53 Correct 4 ms 17324 KB n=500
54 Correct 4 ms 17496 KB n=500
55 Correct 4 ms 17244 KB n=278
56 Correct 4 ms 17500 KB n=500
57 Correct 4 ms 17500 KB n=500
58 Correct 4 ms 17244 KB n=500
59 Correct 6 ms 17496 KB n=2000
60 Correct 5 ms 17756 KB n=2000
61 Correct 6 ms 17756 KB n=2000
62 Correct 6 ms 17756 KB n=2000
63 Correct 6 ms 17500 KB n=2000
64 Correct 6 ms 17756 KB n=2000
65 Correct 6 ms 17500 KB n=2000
66 Correct 6 ms 17756 KB n=2000
67 Correct 6 ms 17500 KB n=2000
68 Correct 6 ms 17596 KB n=2000
69 Correct 5 ms 17500 KB n=2000
70 Correct 5 ms 17500 KB n=2000
71 Correct 5 ms 17496 KB n=2000
72 Correct 5 ms 17500 KB n=2000
73 Correct 6 ms 17756 KB n=2000
74 Correct 6 ms 17500 KB n=1844
75 Correct 5 ms 17676 KB n=2000
76 Correct 6 ms 17500 KB n=2000
77 Correct 6 ms 17500 KB n=2000
78 Correct 6 ms 17500 KB n=2000
79 Correct 6 ms 17500 KB n=2000
80 Correct 7 ms 17756 KB n=2000
81 Correct 6 ms 17752 KB n=2000
82 Correct 6 ms 17752 KB n=2000
83 Correct 5 ms 17752 KB n=2000
84 Correct 6 ms 17500 KB n=2000
85 Correct 5 ms 17756 KB n=2000
86 Correct 6 ms 17628 KB n=2000
87 Correct 6 ms 17500 KB n=2000
88 Correct 5 ms 17756 KB n=2000
89 Correct 5 ms 17756 KB n=2000
90 Correct 5 ms 17756 KB n=2000
91 Correct 5 ms 17500 KB n=2000
92 Correct 553 ms 65856 KB n=200000
93 Correct 543 ms 70924 KB n=200000
94 Correct 381 ms 74068 KB n=200000
95 Correct 595 ms 65680 KB n=200000
96 Correct 542 ms 65628 KB n=200000
97 Correct 637 ms 70120 KB n=200000
98 Correct 538 ms 65828 KB n=200000
99 Correct 617 ms 66288 KB n=200000
100 Correct 576 ms 65976 KB n=200000
101 Correct 343 ms 75576 KB n=200000
102 Correct 291 ms 66940 KB n=200000
103 Correct 297 ms 66900 KB n=200000
104 Correct 281 ms 66860 KB n=200000
105 Correct 335 ms 67360 KB n=200000
106 Correct 298 ms 67396 KB n=200000
107 Correct 350 ms 67520 KB n=200000
108 Correct 599 ms 65952 KB n=200000
109 Correct 568 ms 65872 KB n=200000
110 Correct 553 ms 65768 KB n=200000
111 Correct 542 ms 65352 KB n=200000
112 Correct 465 ms 74392 KB n=200000
113 Correct 655 ms 70032 KB n=200000
114 Correct 635 ms 65432 KB n=200000
115 Correct 824 ms 67700 KB n=200000
116 Correct 601 ms 66076 KB n=200000
117 Correct 390 ms 74676 KB n=200000
118 Correct 824 ms 68736 KB n=200000
119 Correct 588 ms 66288 KB n=200000
120 Correct 333 ms 74552 KB n=200000
121 Correct 378 ms 74368 KB n=200000
122 Correct 332 ms 74836 KB n=200000
123 Correct 334 ms 67140 KB n=200000
124 Correct 116 ms 32056 KB n=25264