oj.uz

Submission #492381

# Submission time Handle Problem Language Result Execution time Memory
492381 2021-12-07T03:56:31 Z Mike4235 Birthday gift (IZhO18_treearray) C++17
100 / 100
 1119 ms 93636 KB 
/*#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,fma")*/
 
#include <bits/stdc++.h>
  
#define for1(i,a,b) for (int i = a; i <= b; i++)
#define for2(i,a,b) for (int i = a; i >= b; i--)
#define int long long

#define sz(a) (int)a.size()
#define pii pair<int,int>
#define pb push_back
 
/*
__builtin_popcountll(x) : Number of 1-bit
__builtin_ctzll(x) : Number of trailing 0
*/
 
const long double PI = 3.1415926535897932384626433832795;
const int INF = 1000000000000000000;
const int MOD = 1000000007;
const int MOD2 = 1000000009;
const long double EPS = 1e-6;

using namespace std;

int n, m, q;
int a[200005], d[200005], up[200005][18];
pii res;
set<int> id[200005], se[200005];
vector<int> g[200005];

void dfs(int u, int p) {
    for1(i,1,17) up[u][i] = up[up[u][i - 1]][i - 1];
    for (auto v : g[u]) if (v != p) {
        d[v] = d[u] + 1;
        up[v][0] = u;
        dfs(v, u);
    }
}

int lca(int u, int v) {
    if (d[u] < d[v]) swap(u, v);

    for1(i,0,17) if ((d[u] - d[v]) & (1 << i)) u = up[u][i];
    if (u == v) return u;
    
    for2(i,17,0) if (up[u][i] != up[v][i]) {
        u = up[u][i];
        v = up[v][i];
    }

    return up[u][0];
}

signed main() {
    
    ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);

    // freopen("cf.inp", "r", stdin);
    // freopen("cf.out", "w", stdout);

    cin >> n >> m >> q;
    for1(i,1,n - 1) {
        int a, b;
        cin >> a >> b;
        g[a].push_back(b);
        g[b].push_back(a);
    }

    dfs(1, 0);
    for1(i,1,m) {
        cin >> a[i];
        id[a[i]].insert(i);
    }

    for1(i,1,m - 1) se[lca(a[i], a[i + 1])].insert(i);

    while (q--) {
        int op;
        cin >> op;

        if (op == 1) {
            int i, u;
            cin >> i >> u;
            id[a[i]].erase(i);
            if (i > 1) se[lca(a[i - 1], a[i])].erase(i - 1);
            if (i < m) se[lca(a[i], a[i + 1])].erase(i);
            a[i] = u;
            id[a[i]].insert(i);
            if (i > 1) se[lca(a[i - 1], a[i])].insert(i - 1);
            if (i < m) se[lca(a[i], a[i + 1])].insert(i);
        }
        else {
            int l, r, u;
            cin >> l >> r >> u;

            auto it = id[u].lower_bound(l);
            if (it != id[u].end() && *it <= r) {
                cout << *it << " " << *it << "\n";
                continue;
            }

            auto it2 = se[u].lower_bound(l);
            if (it2 != se[u].end() && *it2 < r) {
                cout << *it2 << " " << *it2 + 1 << "\n";
                continue;
            }

            cout << "-1 -1\n";
        }
    }
    
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23816 KB n=5
2 Correct 13 ms 23772 KB n=100
3 Correct 12 ms 23736 KB n=100
4 Correct 14 ms 23844 KB n=100
5 Correct 11 ms 23724 KB n=100
6 Correct 11 ms 23756 KB n=100
7 Correct 12 ms 23756 KB n=100
8 Correct 11 ms 23740 KB n=100
9 Correct 11 ms 23804 KB n=100
10 Correct 11 ms 23772 KB n=100
11 Correct 11 ms 23756 KB n=100
12 Correct 12 ms 23844 KB n=100
13 Correct 11 ms 23784 KB n=100
14 Correct 12 ms 23756 KB n=100
15 Correct 13 ms 23840 KB n=100
16 Correct 13 ms 23820 KB n=100
17 Correct 12 ms 23784 KB n=100
18 Correct 11 ms 23884 KB n=100
19 Correct 12 ms 23768 KB n=100
20 Correct 11 ms 23756 KB n=100
21 Correct 12 ms 23788 KB n=100
22 Correct 14 ms 23840 KB n=100
23 Correct 11 ms 23756 KB n=100
24 Correct 12 ms 23756 KB n=100
25 Correct 12 ms 23756 KB n=100
26 Correct 11 ms 23756 KB n=12
27 Correct 11 ms 23756 KB n=100

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23816 KB n=5
2 Correct 13 ms 23772 KB n=100
3 Correct 12 ms 23736 KB n=100
4 Correct 14 ms 23844 KB n=100
5 Correct 11 ms 23724 KB n=100
6 Correct 11 ms 23756 KB n=100
7 Correct 12 ms 23756 KB n=100
8 Correct 11 ms 23740 KB n=100
9 Correct 11 ms 23804 KB n=100
10 Correct 11 ms 23772 KB n=100
11 Correct 11 ms 23756 KB n=100
12 Correct 12 ms 23844 KB n=100
13 Correct 11 ms 23784 KB n=100
14 Correct 12 ms 23756 KB n=100
15 Correct 13 ms 23840 KB n=100
16 Correct 13 ms 23820 KB n=100
17 Correct 12 ms 23784 KB n=100
18 Correct 11 ms 23884 KB n=100
19 Correct 12 ms 23768 KB n=100
20 Correct 11 ms 23756 KB n=100
21 Correct 12 ms 23788 KB n=100
22 Correct 14 ms 23840 KB n=100
23 Correct 11 ms 23756 KB n=100
24 Correct 12 ms 23756 KB n=100
25 Correct 12 ms 23756 KB n=100
26 Correct 11 ms 23756 KB n=12
27 Correct 11 ms 23756 KB n=100
28 Correct 16 ms 23972 KB n=500
29 Correct 13 ms 23984 KB n=500
30 Correct 15 ms 23884 KB n=500
31 Correct 16 ms 23956 KB n=500
32 Correct 13 ms 23924 KB n=500
33 Correct 14 ms 23884 KB n=500
34 Correct 12 ms 23884 KB n=500
35 Correct 13 ms 23904 KB n=500
36 Correct 11 ms 23884 KB n=500
37 Correct 12 ms 23908 KB n=500
38 Correct 14 ms 23904 KB n=500
39 Correct 13 ms 23884 KB n=500
40 Correct 12 ms 23872 KB n=500
41 Correct 12 ms 23896 KB n=500
42 Correct 13 ms 23888 KB n=500
43 Correct 15 ms 23884 KB n=500
44 Correct 13 ms 23884 KB n=500
45 Correct 13 ms 23884 KB n=500
46 Correct 14 ms 23956 KB n=500
47 Correct 17 ms 23884 KB n=500
48 Correct 12 ms 23884 KB n=500
49 Correct 13 ms 23972 KB n=500
50 Correct 14 ms 23884 KB n=500
51 Correct 14 ms 23868 KB n=500
52 Correct 14 ms 23884 KB n=500
53 Correct 15 ms 23928 KB n=500
54 Correct 15 ms 23884 KB n=500
55 Correct 12 ms 23884 KB n=278
56 Correct 12 ms 23884 KB n=500
57 Correct 12 ms 23884 KB n=500
58 Correct 11 ms 23884 KB n=500

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23816 KB n=5
2 Correct 13 ms 23772 KB n=100
3 Correct 12 ms 23736 KB n=100
4 Correct 14 ms 23844 KB n=100
5 Correct 11 ms 23724 KB n=100
6 Correct 11 ms 23756 KB n=100
7 Correct 12 ms 23756 KB n=100
8 Correct 11 ms 23740 KB n=100
9 Correct 11 ms 23804 KB n=100
10 Correct 11 ms 23772 KB n=100
11 Correct 11 ms 23756 KB n=100
12 Correct 12 ms 23844 KB n=100
13 Correct 11 ms 23784 KB n=100
14 Correct 12 ms 23756 KB n=100
15 Correct 13 ms 23840 KB n=100
16 Correct 13 ms 23820 KB n=100
17 Correct 12 ms 23784 KB n=100
18 Correct 11 ms 23884 KB n=100
19 Correct 12 ms 23768 KB n=100
20 Correct 11 ms 23756 KB n=100
21 Correct 12 ms 23788 KB n=100
22 Correct 14 ms 23840 KB n=100
23 Correct 11 ms 23756 KB n=100
24 Correct 12 ms 23756 KB n=100
25 Correct 12 ms 23756 KB n=100
26 Correct 11 ms 23756 KB n=12
27 Correct 11 ms 23756 KB n=100
28 Correct 16 ms 23972 KB n=500
29 Correct 13 ms 23984 KB n=500
30 Correct 15 ms 23884 KB n=500
31 Correct 16 ms 23956 KB n=500
32 Correct 13 ms 23924 KB n=500
33 Correct 14 ms 23884 KB n=500
34 Correct 12 ms 23884 KB n=500
35 Correct 13 ms 23904 KB n=500
36 Correct 11 ms 23884 KB n=500
37 Correct 12 ms 23908 KB n=500
38 Correct 14 ms 23904 KB n=500
39 Correct 13 ms 23884 KB n=500
40 Correct 12 ms 23872 KB n=500
41 Correct 12 ms 23896 KB n=500
42 Correct 13 ms 23888 KB n=500
43 Correct 15 ms 23884 KB n=500
44 Correct 13 ms 23884 KB n=500
45 Correct 13 ms 23884 KB n=500
46 Correct 14 ms 23956 KB n=500
47 Correct 17 ms 23884 KB n=500
48 Correct 12 ms 23884 KB n=500
49 Correct 13 ms 23972 KB n=500
50 Correct 14 ms 23884 KB n=500
51 Correct 14 ms 23868 KB n=500
52 Correct 14 ms 23884 KB n=500
53 Correct 15 ms 23928 KB n=500
54 Correct 15 ms 23884 KB n=500
55 Correct 12 ms 23884 KB n=278
56 Correct 12 ms 23884 KB n=500
57 Correct 12 ms 23884 KB n=500
58 Correct 11 ms 23884 KB n=500
59 Correct 16 ms 24384 KB n=2000
60 Correct 14 ms 24452 KB n=2000
61 Correct 17 ms 24384 KB n=2000
62 Correct 16 ms 24432 KB n=2000
63 Correct 15 ms 24408 KB n=2000
64 Correct 15 ms 24396 KB n=2000
65 Correct 15 ms 24388 KB n=2000
66 Correct 16 ms 24476 KB n=2000
67 Correct 17 ms 24372 KB n=2000
68 Correct 16 ms 24512 KB n=2000
69 Correct 14 ms 24344 KB n=2000
70 Correct 14 ms 24332 KB n=2000
71 Correct 14 ms 24300 KB n=2000
72 Correct 13 ms 24360 KB n=2000
73 Correct 15 ms 24396 KB n=2000
74 Correct 15 ms 24368 KB n=1844
75 Correct 14 ms 24396 KB n=2000
76 Correct 15 ms 24344 KB n=2000
77 Correct 19 ms 24364 KB n=2000
78 Correct 16 ms 24396 KB n=2000
79 Correct 15 ms 24324 KB n=2000
80 Correct 16 ms 24468 KB n=2000
81 Correct 15 ms 24392 KB n=2000
82 Correct 15 ms 24396 KB n=2000
83 Correct 15 ms 24428 KB n=2000
84 Correct 16 ms 24400 KB n=2000
85 Correct 15 ms 24376 KB n=2000
86 Correct 17 ms 24396 KB n=2000
87 Correct 15 ms 24412 KB n=2000
88 Correct 14 ms 24396 KB n=2000
89 Correct 14 ms 24396 KB n=2000
90 Correct 15 ms 24504 KB n=2000
91 Correct 14 ms 24396 KB n=2000

Subtask #4
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23816 KB n=5
2 Correct 13 ms 23772 KB n=100
3 Correct 12 ms 23736 KB n=100
4 Correct 14 ms 23844 KB n=100
5 Correct 11 ms 23724 KB n=100
6 Correct 11 ms 23756 KB n=100
7 Correct 12 ms 23756 KB n=100
8 Correct 11 ms 23740 KB n=100
9 Correct 11 ms 23804 KB n=100
10 Correct 11 ms 23772 KB n=100
11 Correct 11 ms 23756 KB n=100
12 Correct 12 ms 23844 KB n=100
13 Correct 11 ms 23784 KB n=100
14 Correct 12 ms 23756 KB n=100
15 Correct 13 ms 23840 KB n=100
16 Correct 13 ms 23820 KB n=100
17 Correct 12 ms 23784 KB n=100
18 Correct 11 ms 23884 KB n=100
19 Correct 12 ms 23768 KB n=100
20 Correct 11 ms 23756 KB n=100
21 Correct 12 ms 23788 KB n=100
22 Correct 14 ms 23840 KB n=100
23 Correct 11 ms 23756 KB n=100
24 Correct 12 ms 23756 KB n=100
25 Correct 12 ms 23756 KB n=100
26 Correct 11 ms 23756 KB n=12
27 Correct 11 ms 23756 KB n=100
28 Correct 16 ms 23972 KB n=500
29 Correct 13 ms 23984 KB n=500
30 Correct 15 ms 23884 KB n=500
31 Correct 16 ms 23956 KB n=500
32 Correct 13 ms 23924 KB n=500
33 Correct 14 ms 23884 KB n=500
34 Correct 12 ms 23884 KB n=500
35 Correct 13 ms 23904 KB n=500
36 Correct 11 ms 23884 KB n=500
37 Correct 12 ms 23908 KB n=500
38 Correct 14 ms 23904 KB n=500
39 Correct 13 ms 23884 KB n=500
40 Correct 12 ms 23872 KB n=500
41 Correct 12 ms 23896 KB n=500
42 Correct 13 ms 23888 KB n=500
43 Correct 15 ms 23884 KB n=500
44 Correct 13 ms 23884 KB n=500
45 Correct 13 ms 23884 KB n=500
46 Correct 14 ms 23956 KB n=500
47 Correct 17 ms 23884 KB n=500
48 Correct 12 ms 23884 KB n=500
49 Correct 13 ms 23972 KB n=500
50 Correct 14 ms 23884 KB n=500
51 Correct 14 ms 23868 KB n=500
52 Correct 14 ms 23884 KB n=500
53 Correct 15 ms 23928 KB n=500
54 Correct 15 ms 23884 KB n=500
55 Correct 12 ms 23884 KB n=278
56 Correct 12 ms 23884 KB n=500
57 Correct 12 ms 23884 KB n=500
58 Correct 11 ms 23884 KB n=500
59 Correct 16 ms 24384 KB n=2000
60 Correct 14 ms 24452 KB n=2000
61 Correct 17 ms 24384 KB n=2000
62 Correct 16 ms 24432 KB n=2000
63 Correct 15 ms 24408 KB n=2000
64 Correct 15 ms 24396 KB n=2000
65 Correct 15 ms 24388 KB n=2000
66 Correct 16 ms 24476 KB n=2000
67 Correct 17 ms 24372 KB n=2000
68 Correct 16 ms 24512 KB n=2000
69 Correct 14 ms 24344 KB n=2000
70 Correct 14 ms 24332 KB n=2000
71 Correct 14 ms 24300 KB n=2000
72 Correct 13 ms 24360 KB n=2000
73 Correct 15 ms 24396 KB n=2000
74 Correct 15 ms 24368 KB n=1844
75 Correct 14 ms 24396 KB n=2000
76 Correct 15 ms 24344 KB n=2000
77 Correct 19 ms 24364 KB n=2000
78 Correct 16 ms 24396 KB n=2000
79 Correct 15 ms 24324 KB n=2000
80 Correct 16 ms 24468 KB n=2000
81 Correct 15 ms 24392 KB n=2000
82 Correct 15 ms 24396 KB n=2000
83 Correct 15 ms 24428 KB n=2000
84 Correct 16 ms 24400 KB n=2000
85 Correct 15 ms 24376 KB n=2000
86 Correct 17 ms 24396 KB n=2000
87 Correct 15 ms 24412 KB n=2000
88 Correct 14 ms 24396 KB n=2000
89 Correct 14 ms 24396 KB n=2000
90 Correct 15 ms 24504 KB n=2000
91 Correct 14 ms 24396 KB n=2000
92 Correct 693 ms 82924 KB n=200000
93 Correct 1119 ms 88256 KB n=200000
94 Correct 1074 ms 92212 KB n=200000
95 Correct 684 ms 82788 KB n=200000
96 Correct 673 ms 82920 KB n=200000
97 Correct 1094 ms 87220 KB n=200000
98 Correct 663 ms 82904 KB n=200000
99 Correct 927 ms 82484 KB n=200000
100 Correct 644 ms 82984 KB n=200000
101 Correct 979 ms 93588 KB n=200000
102 Correct 440 ms 83908 KB n=200000
103 Correct 417 ms 83992 KB n=200000
104 Correct 476 ms 84052 KB n=200000
105 Correct 437 ms 83592 KB n=200000
106 Correct 411 ms 83672 KB n=200000
107 Correct 428 ms 83696 KB n=200000
108 Correct 788 ms 82692 KB n=200000
109 Correct 798 ms 82904 KB n=200000
110 Correct 790 ms 82772 KB n=200000
111 Correct 646 ms 82712 KB n=200000
112 Correct 964 ms 92872 KB n=200000
113 Correct 1004 ms 87100 KB n=200000
114 Correct 609 ms 82692 KB n=200000
115 Correct 1100 ms 84360 KB n=200000
116 Correct 636 ms 82576 KB n=200000
117 Correct 980 ms 92908 KB n=200000
118 Correct 1056 ms 85544 KB n=200000
119 Correct 606 ms 82468 KB n=200000
120 Correct 948 ms 93144 KB n=200000
121 Correct 909 ms 93324 KB n=200000
122 Correct 917 ms 93636 KB n=200000
123 Correct 414 ms 83324 KB n=200000
124 Correct 243 ms 39156 KB n=25264