oj.uz

Submission #428760

# Submission time Handle Problem Language Result Execution time Memory
428760 2021-06-15T14:16:37 Z FEDIKUS Birthday gift (IZhO18_treearray) C++17
100 / 100
 1720 ms 87120 KB 
#include <bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define pf push_front
#define popb pop_back
#define popf pop_front
#define xx first
#define yy second
#define srt(a) sort(a.begin(),a.end());
#define srtg(a,int) sort(a.begin(),a.end(),greater<int>())
#define lb(a,x) lower_bound(a.begin(),a.end(),x)
#define up(a,x) upper_bound(a.begin(),a.end(),x)
#define fnd(a,x) find(a.begin(),a.end(),x)
#define vstart auto startt=chrono::system_clock::now()
#define vend auto endd=chrono::system_clock::now()
#define vvreme chrono::duration<double> vremee=endd-startt
#define ios ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)

using namespace std;

typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef string str;

const int maxn=2e5+10;
const int logg=21;

int n,m;
int niz[maxn];
vector<int> g[maxn];
pii vreme[maxn];
int vr=0;
int lift[maxn][logg];

set<int> nesto[maxn];
set<int> svi[maxn];


void dfs(int cvor,int prosli){
    vreme[cvor].xx=vr++;
    lift[cvor][0]=prosli;
    for(int i=1;i<logg;i++){
        if(lift[cvor][i-1]==-1) lift[cvor][i]=-1;
        else lift[cvor][i]=lift[lift[cvor][i-1]][i-1];
    }
    for(int i:g[cvor]){
        if(i==prosli) continue;
        dfs(i,cvor);
    }
    vreme[cvor].yy=vr++;
}

bool iznad(int a,int b){
    if(a==-1) return true;
    if(vreme[a].xx<=vreme[b].xx && vreme[b].yy<=vreme[a].yy) return true;
    return false;
}

int lca(int a,int b){
    for(int i=logg-1;i>=0;i--){
        if(!iznad(lift[a][i],b)){
            a=lift[a][i];
        }
    }
    return (iznad(a,b) ? a:lift[a][0]);
}

void skloni(int a){
    if(a<0 || a>=m-1) return;
    nesto[lca(niz[a],niz[a+1])].erase(a);
}

void dodaj(int a){
    if(a<0 || a>=m-1) return;
    nesto[lca(niz[a],niz[a+1])].emplace(a);
}

void solve(){
    int q;
    cin>>n>>m>>q;
    for(int i=0;i<n-1;i++){
        int a,b;
        cin>>a>>b;
        g[a].pb(b);
        g[b].pb(a);
    }
    dfs(1,-1);
    for(int i=0;i<m;i++) cin>>niz[i];
    for(int i=0;i<m;i++){
        dodaj(i);
        svi[niz[i]].emplace(i);
    }
    for(int i=0;i<q;i++){
        int t;
        cin>>t;
        if(t==1){
            int t,v;
            cin>>t>>v;
            t--;
            svi[niz[t]].erase(t);
            svi[v].emplace(t);
            skloni(t-1);
            skloni(t);
            niz[t]=v;
            dodaj(t-1);
            dodaj(t);
        }else{
            int l,r,v;
            cin>>l>>r>>v;
            l--,r--;
            auto it=nesto[v].lower_bound(l);
            auto it2=svi[v].lower_bound(l);
            if((it==nesto[v].end() || *it>=r)&&
               (it2==svi[v].end() || *it2>r)){
                cout<<"-1 -1\n";
            }else{
                if(it!=nesto[v].end() && *it<r)
                    cout<<*it+1<<" "<<*it+2<<"\n";
                else
                    cout<<*it2+1<<" "<<*it2+1<<"\n";
            }
        }
    }
}

int main(){
    ios;
    int t=1;
    //cin>>t;
    while(t--) solve();
    return 0;
}
/*
5 4 4
1 2
3 1
3 4
5 3
4 5 2 3
2 1 3 1
1 3 5
2 3 4 5
2 1 3 1
*/

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 23796 KB n=5
2 Correct 15 ms 23772 KB n=100
3 Correct 14 ms 23756 KB n=100
4 Correct 15 ms 23756 KB n=100
5 Correct 17 ms 23844 KB n=100
6 Correct 14 ms 23816 KB n=100
7 Correct 15 ms 23792 KB n=100
8 Correct 15 ms 23756 KB n=100
9 Correct 16 ms 23756 KB n=100
10 Correct 15 ms 23756 KB n=100
11 Correct 14 ms 23828 KB n=100
12 Correct 15 ms 23724 KB n=100
13 Correct 14 ms 23820 KB n=100
14 Correct 15 ms 23756 KB n=100
15 Correct 14 ms 23820 KB n=100
16 Correct 18 ms 23812 KB n=100
17 Correct 14 ms 23748 KB n=100
18 Correct 16 ms 23852 KB n=100
19 Correct 15 ms 23752 KB n=100
20 Correct 13 ms 23756 KB n=100
21 Correct 17 ms 23836 KB n=100
22 Correct 15 ms 23812 KB n=100
23 Correct 17 ms 23756 KB n=100
24 Correct 18 ms 23756 KB n=100
25 Correct 16 ms 23756 KB n=100
26 Correct 16 ms 23756 KB n=12
27 Correct 14 ms 23828 KB n=100

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 23796 KB n=5
2 Correct 15 ms 23772 KB n=100
3 Correct 14 ms 23756 KB n=100
4 Correct 15 ms 23756 KB n=100
5 Correct 17 ms 23844 KB n=100
6 Correct 14 ms 23816 KB n=100
7 Correct 15 ms 23792 KB n=100
8 Correct 15 ms 23756 KB n=100
9 Correct 16 ms 23756 KB n=100
10 Correct 15 ms 23756 KB n=100
11 Correct 14 ms 23828 KB n=100
12 Correct 15 ms 23724 KB n=100
13 Correct 14 ms 23820 KB n=100
14 Correct 15 ms 23756 KB n=100
15 Correct 14 ms 23820 KB n=100
16 Correct 18 ms 23812 KB n=100
17 Correct 14 ms 23748 KB n=100
18 Correct 16 ms 23852 KB n=100
19 Correct 15 ms 23752 KB n=100
20 Correct 13 ms 23756 KB n=100
21 Correct 17 ms 23836 KB n=100
22 Correct 15 ms 23812 KB n=100
23 Correct 17 ms 23756 KB n=100
24 Correct 18 ms 23756 KB n=100
25 Correct 16 ms 23756 KB n=100
26 Correct 16 ms 23756 KB n=12
27 Correct 14 ms 23828 KB n=100
28 Correct 17 ms 23896 KB n=500
29 Correct 18 ms 23884 KB n=500
30 Correct 15 ms 23904 KB n=500
31 Correct 17 ms 23884 KB n=500
32 Correct 16 ms 23880 KB n=500
33 Correct 18 ms 23884 KB n=500
34 Correct 15 ms 23884 KB n=500
35 Correct 17 ms 23972 KB n=500
36 Correct 16 ms 23888 KB n=500
37 Correct 14 ms 23888 KB n=500
38 Correct 16 ms 23944 KB n=500
39 Correct 16 ms 23884 KB n=500
40 Correct 15 ms 23828 KB n=500
41 Correct 15 ms 23916 KB n=500
42 Correct 22 ms 23912 KB n=500
43 Correct 16 ms 23884 KB n=500
44 Correct 17 ms 23936 KB n=500
45 Correct 18 ms 23912 KB n=500
46 Correct 16 ms 23960 KB n=500
47 Correct 18 ms 23936 KB n=500
48 Correct 16 ms 23832 KB n=500
49 Correct 17 ms 23952 KB n=500
50 Correct 17 ms 23920 KB n=500
51 Correct 17 ms 24016 KB n=500
52 Correct 16 ms 23976 KB n=500
53 Correct 17 ms 23884 KB n=500
54 Correct 21 ms 23944 KB n=500
55 Correct 22 ms 23884 KB n=278
56 Correct 14 ms 23928 KB n=500
57 Correct 20 ms 23956 KB n=500
58 Correct 17 ms 23828 KB n=500

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 23796 KB n=5
2 Correct 15 ms 23772 KB n=100
3 Correct 14 ms 23756 KB n=100
4 Correct 15 ms 23756 KB n=100
5 Correct 17 ms 23844 KB n=100
6 Correct 14 ms 23816 KB n=100
7 Correct 15 ms 23792 KB n=100
8 Correct 15 ms 23756 KB n=100
9 Correct 16 ms 23756 KB n=100
10 Correct 15 ms 23756 KB n=100
11 Correct 14 ms 23828 KB n=100
12 Correct 15 ms 23724 KB n=100
13 Correct 14 ms 23820 KB n=100
14 Correct 15 ms 23756 KB n=100
15 Correct 14 ms 23820 KB n=100
16 Correct 18 ms 23812 KB n=100
17 Correct 14 ms 23748 KB n=100
18 Correct 16 ms 23852 KB n=100
19 Correct 15 ms 23752 KB n=100
20 Correct 13 ms 23756 KB n=100
21 Correct 17 ms 23836 KB n=100
22 Correct 15 ms 23812 KB n=100
23 Correct 17 ms 23756 KB n=100
24 Correct 18 ms 23756 KB n=100
25 Correct 16 ms 23756 KB n=100
26 Correct 16 ms 23756 KB n=12
27 Correct 14 ms 23828 KB n=100
28 Correct 17 ms 23896 KB n=500
29 Correct 18 ms 23884 KB n=500
30 Correct 15 ms 23904 KB n=500
31 Correct 17 ms 23884 KB n=500
32 Correct 16 ms 23880 KB n=500
33 Correct 18 ms 23884 KB n=500
34 Correct 15 ms 23884 KB n=500
35 Correct 17 ms 23972 KB n=500
36 Correct 16 ms 23888 KB n=500
37 Correct 14 ms 23888 KB n=500
38 Correct 16 ms 23944 KB n=500
39 Correct 16 ms 23884 KB n=500
40 Correct 15 ms 23828 KB n=500
41 Correct 15 ms 23916 KB n=500
42 Correct 22 ms 23912 KB n=500
43 Correct 16 ms 23884 KB n=500
44 Correct 17 ms 23936 KB n=500
45 Correct 18 ms 23912 KB n=500
46 Correct 16 ms 23960 KB n=500
47 Correct 18 ms 23936 KB n=500
48 Correct 16 ms 23832 KB n=500
49 Correct 17 ms 23952 KB n=500
50 Correct 17 ms 23920 KB n=500
51 Correct 17 ms 24016 KB n=500
52 Correct 16 ms 23976 KB n=500
53 Correct 17 ms 23884 KB n=500
54 Correct 21 ms 23944 KB n=500
55 Correct 22 ms 23884 KB n=278
56 Correct 14 ms 23928 KB n=500
57 Correct 20 ms 23956 KB n=500
58 Correct 17 ms 23828 KB n=500
59 Correct 21 ms 24268 KB n=2000
60 Correct 21 ms 24364 KB n=2000
61 Correct 19 ms 24396 KB n=2000
62 Correct 19 ms 24268 KB n=2000
63 Correct 20 ms 24308 KB n=2000
64 Correct 20 ms 24332 KB n=2000
65 Correct 18 ms 24268 KB n=2000
66 Correct 20 ms 24344 KB n=2000
67 Correct 17 ms 24268 KB n=2000
68 Correct 19 ms 24300 KB n=2000
69 Correct 18 ms 24268 KB n=2000
70 Correct 18 ms 24336 KB n=2000
71 Correct 20 ms 24268 KB n=2000
72 Correct 16 ms 24268 KB n=2000
73 Correct 18 ms 24276 KB n=2000
74 Correct 17 ms 24268 KB n=1844
75 Correct 16 ms 24272 KB n=2000
76 Correct 27 ms 24308 KB n=2000
77 Correct 22 ms 24288 KB n=2000
78 Correct 21 ms 24224 KB n=2000
79 Correct 18 ms 24320 KB n=2000
80 Correct 26 ms 24396 KB n=2000
81 Correct 22 ms 24316 KB n=2000
82 Correct 18 ms 24328 KB n=2000
83 Correct 27 ms 24336 KB n=2000
84 Correct 25 ms 24268 KB n=2000
85 Correct 22 ms 24268 KB n=2000
86 Correct 19 ms 24340 KB n=2000
87 Correct 26 ms 24276 KB n=2000
88 Correct 18 ms 24344 KB n=2000
89 Correct 20 ms 24340 KB n=2000
90 Correct 18 ms 24336 KB n=2000
91 Correct 25 ms 24216 KB n=2000

Subtask #4
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 23796 KB n=5
2 Correct 15 ms 23772 KB n=100
3 Correct 14 ms 23756 KB n=100
4 Correct 15 ms 23756 KB n=100
5 Correct 17 ms 23844 KB n=100
6 Correct 14 ms 23816 KB n=100
7 Correct 15 ms 23792 KB n=100
8 Correct 15 ms 23756 KB n=100
9 Correct 16 ms 23756 KB n=100
10 Correct 15 ms 23756 KB n=100
11 Correct 14 ms 23828 KB n=100
12 Correct 15 ms 23724 KB n=100
13 Correct 14 ms 23820 KB n=100
14 Correct 15 ms 23756 KB n=100
15 Correct 14 ms 23820 KB n=100
16 Correct 18 ms 23812 KB n=100
17 Correct 14 ms 23748 KB n=100
18 Correct 16 ms 23852 KB n=100
19 Correct 15 ms 23752 KB n=100
20 Correct 13 ms 23756 KB n=100
21 Correct 17 ms 23836 KB n=100
22 Correct 15 ms 23812 KB n=100
23 Correct 17 ms 23756 KB n=100
24 Correct 18 ms 23756 KB n=100
25 Correct 16 ms 23756 KB n=100
26 Correct 16 ms 23756 KB n=12
27 Correct 14 ms 23828 KB n=100
28 Correct 17 ms 23896 KB n=500
29 Correct 18 ms 23884 KB n=500
30 Correct 15 ms 23904 KB n=500
31 Correct 17 ms 23884 KB n=500
32 Correct 16 ms 23880 KB n=500
33 Correct 18 ms 23884 KB n=500
34 Correct 15 ms 23884 KB n=500
35 Correct 17 ms 23972 KB n=500
36 Correct 16 ms 23888 KB n=500
37 Correct 14 ms 23888 KB n=500
38 Correct 16 ms 23944 KB n=500
39 Correct 16 ms 23884 KB n=500
40 Correct 15 ms 23828 KB n=500
41 Correct 15 ms 23916 KB n=500
42 Correct 22 ms 23912 KB n=500
43 Correct 16 ms 23884 KB n=500
44 Correct 17 ms 23936 KB n=500
45 Correct 18 ms 23912 KB n=500
46 Correct 16 ms 23960 KB n=500
47 Correct 18 ms 23936 KB n=500
48 Correct 16 ms 23832 KB n=500
49 Correct 17 ms 23952 KB n=500
50 Correct 17 ms 23920 KB n=500
51 Correct 17 ms 24016 KB n=500
52 Correct 16 ms 23976 KB n=500
53 Correct 17 ms 23884 KB n=500
54 Correct 21 ms 23944 KB n=500
55 Correct 22 ms 23884 KB n=278
56 Correct 14 ms 23928 KB n=500
57 Correct 20 ms 23956 KB n=500
58 Correct 17 ms 23828 KB n=500
59 Correct 21 ms 24268 KB n=2000
60 Correct 21 ms 24364 KB n=2000
61 Correct 19 ms 24396 KB n=2000
62 Correct 19 ms 24268 KB n=2000
63 Correct 20 ms 24308 KB n=2000
64 Correct 20 ms 24332 KB n=2000
65 Correct 18 ms 24268 KB n=2000
66 Correct 20 ms 24344 KB n=2000
67 Correct 17 ms 24268 KB n=2000
68 Correct 19 ms 24300 KB n=2000
69 Correct 18 ms 24268 KB n=2000
70 Correct 18 ms 24336 KB n=2000
71 Correct 20 ms 24268 KB n=2000
72 Correct 16 ms 24268 KB n=2000
73 Correct 18 ms 24276 KB n=2000
74 Correct 17 ms 24268 KB n=1844
75 Correct 16 ms 24272 KB n=2000
76 Correct 27 ms 24308 KB n=2000
77 Correct 22 ms 24288 KB n=2000
78 Correct 21 ms 24224 KB n=2000
79 Correct 18 ms 24320 KB n=2000
80 Correct 26 ms 24396 KB n=2000
81 Correct 22 ms 24316 KB n=2000
82 Correct 18 ms 24328 KB n=2000
83 Correct 27 ms 24336 KB n=2000
84 Correct 25 ms 24268 KB n=2000
85 Correct 22 ms 24268 KB n=2000
86 Correct 19 ms 24340 KB n=2000
87 Correct 26 ms 24276 KB n=2000
88 Correct 18 ms 24344 KB n=2000
89 Correct 20 ms 24340 KB n=2000
90 Correct 18 ms 24336 KB n=2000
91 Correct 25 ms 24216 KB n=2000
92 Correct 968 ms 75508 KB n=200000
93 Correct 1466 ms 80680 KB n=200000
94 Correct 1456 ms 85176 KB n=200000
95 Correct 892 ms 75372 KB n=200000
96 Correct 928 ms 75324 KB n=200000
97 Correct 1720 ms 79432 KB n=200000
98 Correct 924 ms 75320 KB n=200000
99 Correct 1070 ms 74816 KB n=200000
100 Correct 918 ms 75416 KB n=200000
101 Correct 1300 ms 86732 KB n=200000
102 Correct 584 ms 76444 KB n=200000
103 Correct 526 ms 76360 KB n=200000
104 Correct 562 ms 76356 KB n=200000
105 Correct 554 ms 76132 KB n=200000
106 Correct 557 ms 76084 KB n=200000
107 Correct 581 ms 76084 KB n=200000
108 Correct 996 ms 75008 KB n=200000
109 Correct 938 ms 75100 KB n=200000
110 Correct 995 ms 75064 KB n=200000
111 Correct 1008 ms 75256 KB n=200000
112 Correct 1464 ms 85424 KB n=200000
113 Correct 1536 ms 79408 KB n=200000
114 Correct 896 ms 75316 KB n=200000
115 Correct 1635 ms 76660 KB n=200000
116 Correct 859 ms 75144 KB n=200000
117 Correct 1300 ms 86032 KB n=200000
118 Correct 1533 ms 77960 KB n=200000
119 Correct 816 ms 75272 KB n=200000
120 Correct 1221 ms 86556 KB n=200000
121 Correct 1237 ms 86808 KB n=200000
122 Correct 1287 ms 87120 KB n=200000
123 Correct 537 ms 75708 KB n=200000
124 Correct 283 ms 39360 KB n=25264