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Submission #167683

# Submission time Handle Problem Language Result Execution time Memory
167683 2019-12-09T14:50:15 Z muhammad_hokimiyon Birthday gift (IZhO18_treearray) C++14
100 / 100
 1442 ms 161988 KB 
#include <bits/stdc++.h>

#pragma GCC optimize("Ofast")

#define fi first
#define se second
#define ll long long

using namespace std;

const int N = 1e6 + 7;
const int mod = 1e9 + 7;

int n,m,q;
int l=1;
int cnt;
int a[N];
int tin[N];
int tout[N];
set < pair < int , int > > s[N];
vector < int > v[N];
vector < int > up[N];

void dfs( int x , int p )
{
    tin[x] = ++cnt;
    up[x][0] = p;
    for( int i = 1; i <= l; i++ ){
        up[x][i] = up[up[x][i - 1]][i - 1];
    }
    for( auto y : v[x] ){
        if( y != p ){
            dfs(y , x);
        }
    }
    tout[x] = cnt;
}
bool upper( int x , int y )
{
    return (tin[x] <= tin[y] && tout[x] >= tout[y]);
}

int lca( int x , int y )
{
    if( upper(x , y) )return x;
    if( upper(y , x) )return y;
    for( int i = l; i >= 0; i-- ){
        if( !upper(up[x][i] , y) ){
            x = up[x][i];
        }
    }
    return up[x][0];
}

void solve()
{
    cin >> n >> m >> q;
    while( (1 << l) <= n )l++;
    for( int i = 0; i <= n; i++ ){
        up[i].resize(l + 10);
    }
    for( int i = 1; i < n; i++ ){
        int x,y;
        cin >> x >> y;
        v[x].push_back(y);
        v[y].push_back(x);
    }
    dfs(1 , 1);
    for( int i = 1; i <= m; i++ ){
        cin >> a[i];
        s[a[i]].insert({i , i});
        if( i > 1 )s[lca(a[i - 1] , a[i])].insert({i - 1, i});
    }
    for( int i = 1; i <= q; i++ ){
        int gh;
        cin >> gh;
        if( gh == 1 ){
            int p , vv;
            cin >> p >> vv;
            s[a[p]].erase({p , p});
            if( p > 1 )s[lca(a[p - 1] , a[p])].erase({p - 1 , p});
            if( p < m )s[lca(a[p] , a[p + 1])].erase({p , p + 1});
            a[p] = vv;
            s[a[p]].insert({p , p});
            if( p > 1 )s[lca(a[p - 1] , a[p])].insert({p - 1 , p});
            if( p < m )s[lca(a[p] , a[p + 1])].insert({p , p + 1});
        }
        else{
            int l , r , vv;
            int lg = -1 , rg = -1;
            cin >> l >> r >> vv;
            auto it = s[vv].lower_bound({l , 0});
            if( it != s[vv].end() ){
                if( it->se <= r ){
                    lg = it->fi;
                    rg = it->se;
                }
            }
            cout << lg << " " << rg << "\n";
        }
    }
}

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    //freopen( "input.txt" , "r" , stdin );
    //freopen( "output.txt" , "w" , stdout );

    int t = 1;//cin >> t;
    while( t-- ){
        solve();
    }
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 94328 KB n=5
2 Correct 87 ms 94300 KB n=100
3 Correct 86 ms 94328 KB n=100
4 Correct 87 ms 94328 KB n=100
5 Correct 87 ms 94456 KB n=100
6 Correct 87 ms 94436 KB n=100
7 Correct 87 ms 94328 KB n=100
8 Correct 88 ms 94328 KB n=100
9 Correct 87 ms 94328 KB n=100
10 Correct 88 ms 94328 KB n=100
11 Correct 87 ms 94328 KB n=100
12 Correct 87 ms 94328 KB n=100
13 Correct 87 ms 94456 KB n=100
14 Correct 86 ms 94328 KB n=100
15 Correct 86 ms 94288 KB n=100
16 Correct 87 ms 94328 KB n=100
17 Correct 86 ms 94320 KB n=100
18 Correct 87 ms 94328 KB n=100
19 Correct 86 ms 94328 KB n=100
20 Correct 87 ms 94328 KB n=100
21 Correct 87 ms 94328 KB n=100
22 Correct 87 ms 94392 KB n=100
23 Correct 87 ms 94328 KB n=100
24 Correct 87 ms 94328 KB n=100
25 Correct 87 ms 94328 KB n=100
26 Correct 87 ms 94236 KB n=12
27 Correct 86 ms 94328 KB n=100

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 94328 KB n=5
2 Correct 87 ms 94300 KB n=100
3 Correct 86 ms 94328 KB n=100
4 Correct 87 ms 94328 KB n=100
5 Correct 87 ms 94456 KB n=100
6 Correct 87 ms 94436 KB n=100
7 Correct 87 ms 94328 KB n=100
8 Correct 88 ms 94328 KB n=100
9 Correct 87 ms 94328 KB n=100
10 Correct 88 ms 94328 KB n=100
11 Correct 87 ms 94328 KB n=100
12 Correct 87 ms 94328 KB n=100
13 Correct 87 ms 94456 KB n=100
14 Correct 86 ms 94328 KB n=100
15 Correct 86 ms 94288 KB n=100
16 Correct 87 ms 94328 KB n=100
17 Correct 86 ms 94320 KB n=100
18 Correct 87 ms 94328 KB n=100
19 Correct 86 ms 94328 KB n=100
20 Correct 87 ms 94328 KB n=100
21 Correct 87 ms 94328 KB n=100
22 Correct 87 ms 94392 KB n=100
23 Correct 87 ms 94328 KB n=100
24 Correct 87 ms 94328 KB n=100
25 Correct 87 ms 94328 KB n=100
26 Correct 87 ms 94236 KB n=12
27 Correct 86 ms 94328 KB n=100
28 Correct 87 ms 94456 KB n=500
29 Correct 87 ms 94388 KB n=500
30 Correct 88 ms 94456 KB n=500
31 Correct 89 ms 94476 KB n=500
32 Correct 88 ms 94444 KB n=500
33 Correct 87 ms 94456 KB n=500
34 Correct 88 ms 94456 KB n=500
35 Correct 88 ms 94456 KB n=500
36 Correct 89 ms 94456 KB n=500
37 Correct 87 ms 94456 KB n=500
38 Correct 88 ms 94456 KB n=500
39 Correct 87 ms 94456 KB n=500
40 Correct 88 ms 94456 KB n=500
41 Correct 86 ms 94456 KB n=500
42 Correct 87 ms 94456 KB n=500
43 Correct 88 ms 94516 KB n=500
44 Correct 88 ms 94456 KB n=500
45 Correct 88 ms 94456 KB n=500
46 Correct 89 ms 94456 KB n=500
47 Correct 87 ms 94456 KB n=500
48 Correct 88 ms 94456 KB n=500
49 Correct 86 ms 94584 KB n=500
50 Correct 90 ms 94456 KB n=500
51 Correct 87 ms 94456 KB n=500
52 Correct 88 ms 94456 KB n=500
53 Correct 87 ms 94456 KB n=500
54 Correct 89 ms 94456 KB n=500
55 Correct 87 ms 94456 KB n=278
56 Correct 89 ms 94456 KB n=500
57 Correct 87 ms 94456 KB n=500
58 Correct 88 ms 94456 KB n=500

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 94328 KB n=5
2 Correct 87 ms 94300 KB n=100
3 Correct 86 ms 94328 KB n=100
4 Correct 87 ms 94328 KB n=100
5 Correct 87 ms 94456 KB n=100
6 Correct 87 ms 94436 KB n=100
7 Correct 87 ms 94328 KB n=100
8 Correct 88 ms 94328 KB n=100
9 Correct 87 ms 94328 KB n=100
10 Correct 88 ms 94328 KB n=100
11 Correct 87 ms 94328 KB n=100
12 Correct 87 ms 94328 KB n=100
13 Correct 87 ms 94456 KB n=100
14 Correct 86 ms 94328 KB n=100
15 Correct 86 ms 94288 KB n=100
16 Correct 87 ms 94328 KB n=100
17 Correct 86 ms 94320 KB n=100
18 Correct 87 ms 94328 KB n=100
19 Correct 86 ms 94328 KB n=100
20 Correct 87 ms 94328 KB n=100
21 Correct 87 ms 94328 KB n=100
22 Correct 87 ms 94392 KB n=100
23 Correct 87 ms 94328 KB n=100
24 Correct 87 ms 94328 KB n=100
25 Correct 87 ms 94328 KB n=100
26 Correct 87 ms 94236 KB n=12
27 Correct 86 ms 94328 KB n=100
28 Correct 87 ms 94456 KB n=500
29 Correct 87 ms 94388 KB n=500
30 Correct 88 ms 94456 KB n=500
31 Correct 89 ms 94476 KB n=500
32 Correct 88 ms 94444 KB n=500
33 Correct 87 ms 94456 KB n=500
34 Correct 88 ms 94456 KB n=500
35 Correct 88 ms 94456 KB n=500
36 Correct 89 ms 94456 KB n=500
37 Correct 87 ms 94456 KB n=500
38 Correct 88 ms 94456 KB n=500
39 Correct 87 ms 94456 KB n=500
40 Correct 88 ms 94456 KB n=500
41 Correct 86 ms 94456 KB n=500
42 Correct 87 ms 94456 KB n=500
43 Correct 88 ms 94516 KB n=500
44 Correct 88 ms 94456 KB n=500
45 Correct 88 ms 94456 KB n=500
46 Correct 89 ms 94456 KB n=500
47 Correct 87 ms 94456 KB n=500
48 Correct 88 ms 94456 KB n=500
49 Correct 86 ms 94584 KB n=500
50 Correct 90 ms 94456 KB n=500
51 Correct 87 ms 94456 KB n=500
52 Correct 88 ms 94456 KB n=500
53 Correct 87 ms 94456 KB n=500
54 Correct 89 ms 94456 KB n=500
55 Correct 87 ms 94456 KB n=278
56 Correct 89 ms 94456 KB n=500
57 Correct 87 ms 94456 KB n=500
58 Correct 88 ms 94456 KB n=500
59 Correct 90 ms 94852 KB n=2000
60 Correct 91 ms 94912 KB n=2000
61 Correct 91 ms 94892 KB n=2000
62 Correct 91 ms 94876 KB n=2000
63 Correct 90 ms 94840 KB n=2000
64 Correct 91 ms 94968 KB n=2000
65 Correct 91 ms 94840 KB n=2000
66 Correct 90 ms 94844 KB n=2000
67 Correct 92 ms 94840 KB n=2000
68 Correct 92 ms 94840 KB n=2000
69 Correct 90 ms 94940 KB n=2000
70 Correct 91 ms 94832 KB n=2000
71 Correct 90 ms 94852 KB n=2000
72 Correct 89 ms 94840 KB n=2000
73 Correct 90 ms 94840 KB n=2000
74 Correct 90 ms 94712 KB n=1844
75 Correct 91 ms 94840 KB n=2000
76 Correct 91 ms 94840 KB n=2000
77 Correct 92 ms 94776 KB n=2000
78 Correct 91 ms 94804 KB n=2000
79 Correct 90 ms 94840 KB n=2000
80 Correct 92 ms 94812 KB n=2000
81 Correct 92 ms 94912 KB n=2000
82 Correct 91 ms 94840 KB n=2000
83 Correct 91 ms 94840 KB n=2000
84 Correct 91 ms 94840 KB n=2000
85 Correct 90 ms 94840 KB n=2000
86 Correct 90 ms 94844 KB n=2000
87 Correct 91 ms 94840 KB n=2000
88 Correct 89 ms 94840 KB n=2000
89 Correct 90 ms 94840 KB n=2000
90 Correct 89 ms 94968 KB n=2000
91 Correct 92 ms 94972 KB n=2000

Subtask #4
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 94328 KB n=5
2 Correct 87 ms 94300 KB n=100
3 Correct 86 ms 94328 KB n=100
4 Correct 87 ms 94328 KB n=100
5 Correct 87 ms 94456 KB n=100
6 Correct 87 ms 94436 KB n=100
7 Correct 87 ms 94328 KB n=100
8 Correct 88 ms 94328 KB n=100
9 Correct 87 ms 94328 KB n=100
10 Correct 88 ms 94328 KB n=100
11 Correct 87 ms 94328 KB n=100
12 Correct 87 ms 94328 KB n=100
13 Correct 87 ms 94456 KB n=100
14 Correct 86 ms 94328 KB n=100
15 Correct 86 ms 94288 KB n=100
16 Correct 87 ms 94328 KB n=100
17 Correct 86 ms 94320 KB n=100
18 Correct 87 ms 94328 KB n=100
19 Correct 86 ms 94328 KB n=100
20 Correct 87 ms 94328 KB n=100
21 Correct 87 ms 94328 KB n=100
22 Correct 87 ms 94392 KB n=100
23 Correct 87 ms 94328 KB n=100
24 Correct 87 ms 94328 KB n=100
25 Correct 87 ms 94328 KB n=100
26 Correct 87 ms 94236 KB n=12
27 Correct 86 ms 94328 KB n=100
28 Correct 87 ms 94456 KB n=500
29 Correct 87 ms 94388 KB n=500
30 Correct 88 ms 94456 KB n=500
31 Correct 89 ms 94476 KB n=500
32 Correct 88 ms 94444 KB n=500
33 Correct 87 ms 94456 KB n=500
34 Correct 88 ms 94456 KB n=500
35 Correct 88 ms 94456 KB n=500
36 Correct 89 ms 94456 KB n=500
37 Correct 87 ms 94456 KB n=500
38 Correct 88 ms 94456 KB n=500
39 Correct 87 ms 94456 KB n=500
40 Correct 88 ms 94456 KB n=500
41 Correct 86 ms 94456 KB n=500
42 Correct 87 ms 94456 KB n=500
43 Correct 88 ms 94516 KB n=500
44 Correct 88 ms 94456 KB n=500
45 Correct 88 ms 94456 KB n=500
46 Correct 89 ms 94456 KB n=500
47 Correct 87 ms 94456 KB n=500
48 Correct 88 ms 94456 KB n=500
49 Correct 86 ms 94584 KB n=500
50 Correct 90 ms 94456 KB n=500
51 Correct 87 ms 94456 KB n=500
52 Correct 88 ms 94456 KB n=500
53 Correct 87 ms 94456 KB n=500
54 Correct 89 ms 94456 KB n=500
55 Correct 87 ms 94456 KB n=278
56 Correct 89 ms 94456 KB n=500
57 Correct 87 ms 94456 KB n=500
58 Correct 88 ms 94456 KB n=500
59 Correct 90 ms 94852 KB n=2000
60 Correct 91 ms 94912 KB n=2000
61 Correct 91 ms 94892 KB n=2000
62 Correct 91 ms 94876 KB n=2000
63 Correct 90 ms 94840 KB n=2000
64 Correct 91 ms 94968 KB n=2000
65 Correct 91 ms 94840 KB n=2000
66 Correct 90 ms 94844 KB n=2000
67 Correct 92 ms 94840 KB n=2000
68 Correct 92 ms 94840 KB n=2000
69 Correct 90 ms 94940 KB n=2000
70 Correct 91 ms 94832 KB n=2000
71 Correct 90 ms 94852 KB n=2000
72 Correct 89 ms 94840 KB n=2000
73 Correct 90 ms 94840 KB n=2000
74 Correct 90 ms 94712 KB n=1844
75 Correct 91 ms 94840 KB n=2000
76 Correct 91 ms 94840 KB n=2000
77 Correct 92 ms 94776 KB n=2000
78 Correct 91 ms 94804 KB n=2000
79 Correct 90 ms 94840 KB n=2000
80 Correct 92 ms 94812 KB n=2000
81 Correct 92 ms 94912 KB n=2000
82 Correct 91 ms 94840 KB n=2000
83 Correct 91 ms 94840 KB n=2000
84 Correct 91 ms 94840 KB n=2000
85 Correct 90 ms 94840 KB n=2000
86 Correct 90 ms 94844 KB n=2000
87 Correct 91 ms 94840 KB n=2000
88 Correct 89 ms 94840 KB n=2000
89 Correct 90 ms 94840 KB n=2000
90 Correct 89 ms 94968 KB n=2000
91 Correct 92 ms 94972 KB n=2000
92 Correct 988 ms 151456 KB n=200000
93 Correct 1131 ms 158256 KB n=200000
94 Correct 855 ms 160556 KB n=200000
95 Correct 947 ms 149776 KB n=200000
96 Correct 947 ms 149672 KB n=200000
97 Correct 1181 ms 157560 KB n=200000
98 Correct 985 ms 151988 KB n=200000
99 Correct 1141 ms 155224 KB n=200000
100 Correct 978 ms 153740 KB n=200000
101 Correct 738 ms 161988 KB n=200000
102 Correct 648 ms 156044 KB n=200000
103 Correct 643 ms 156084 KB n=200000
104 Correct 640 ms 156024 KB n=200000
105 Correct 695 ms 156632 KB n=200000
106 Correct 657 ms 155936 KB n=200000
107 Correct 660 ms 156288 KB n=200000
108 Correct 1070 ms 155000 KB n=200000
109 Correct 1038 ms 154872 KB n=200000
110 Correct 1048 ms 154848 KB n=200000
111 Correct 970 ms 154120 KB n=200000
112 Correct 812 ms 161132 KB n=200000
113 Correct 1141 ms 156048 KB n=200000
114 Correct 972 ms 151808 KB n=200000
115 Correct 1442 ms 156396 KB n=200000
116 Correct 918 ms 151420 KB n=200000
117 Correct 787 ms 161168 KB n=200000
118 Correct 1216 ms 157236 KB n=200000
119 Correct 918 ms 154836 KB n=200000
120 Correct 727 ms 160768 KB n=200000
121 Correct 705 ms 160636 KB n=200000
122 Correct 688 ms 161404 KB n=200000
123 Correct 659 ms 156080 KB n=200000
124 Correct 300 ms 109660 KB n=25264