oj.uz

Submission #172747

# Submission time Handle Problem Language Result Execution time Memory
172747 2020-01-02T14:12:26 Z mosiashvililuka Birthday gift (IZhO18_treearray) C++14
56 / 100
 198 ms 860 KB 
#include<bits/stdc++.h>
using namespace std;
int a,b,c,d,e,tes,t,f[2009],i,j,tp,k[2009],lf[2009],rg[2009],tim,l,r,lc,msh[2009][11];
vector <int> v[2009];
int bo;
void dfs(int q, int w){
    msh[q][0]=w;
    for(int h=1; h<=10; h++) msh[q][h]=msh[msh[q][h-1]][h-1];
    tim++;
    lf[q]=rg[q]=tim;
    for(vector <int>::iterator it=v[q].begin(); it!=v[q].end(); it++){
        if((*it)==w) continue;
        dfs((*it),q);
        if(rg[q]<rg[(*it)]) rg[q]=rg[(*it)];
    }
}
bool anc(long long q, long long w){
    if(lf[q]<=lf[w]&&rg[q]>=rg[w]) return 1; else return 0;
}
int main(){
    ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
    cin>>a>>b>>tes;
    for(i=1; i<a; i++){
        cin>>c>>d;
        v[c].push_back(d);
        v[d].push_back(c);
    }
    dfs(1,0);
    for(i=1; i<=b; i++) cin>>f[i];
    for(t=1; t<=tes; t++){
        cin>>tp;
        if(tp==1){
            cin>>c>>d;
            f[c]=d;
            continue;
        }
        cin>>l>>r>>lc;
        bo=0;
        for(i=l; i<=r; i++){
            if(f[i]==lc){
                bo=i;
                break;
            }
            if(anc(lc,f[i])==0){
                k[i]=0;
            }else{
                int ff=f[i];
                for(j=10; j>=0; j--){
                    if(msh[ff][j]!=0&&anc(msh[ff][j],lc)==0) ff=msh[ff][j];
                }
                k[i]=ff;
            }
        }
        if(bo!=0){
            cout<<bo<<" "<<bo<<endl;
            continue;
        }
        j=r+1;
        pair <pair <int, int> , pair <int, int> > p;
        bo=0;
        for(i=r; i>=l; i--){
            if(k[i]==0){
                j=i;
                continue;
            }
            c=0;
            if(p.first.second!=k[i]) c=p.first.first; else c=p.second.first;
            if(c!=0){
                if(j>c){
                    cout<<i<<" "<<c<<endl;
                    bo=1;
                    break;
                }
            }
            //
            if(p.first.second!=k[i]){
                p.second=p.first;
                p.first.first=i;
                p.first.second=k[i];
            }else{
                p.first.first=i;
            }
        }
        if(bo==0){
            cout<<"-1 -1"<<endl;
        }
    }
    return 0;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB n=5
2 Correct 2 ms 376 KB n=100
3 Correct 2 ms 376 KB n=100
4 Correct 2 ms 376 KB n=100
5 Correct 2 ms 376 KB n=100
6 Correct 3 ms 376 KB n=100
7 Correct 3 ms 504 KB n=100
8 Correct 2 ms 376 KB n=100
9 Correct 2 ms 376 KB n=100
10 Correct 2 ms 376 KB n=100
11 Correct 2 ms 376 KB n=100
12 Correct 2 ms 376 KB n=100
13 Correct 2 ms 376 KB n=100
14 Correct 2 ms 376 KB n=100
15 Correct 3 ms 376 KB n=100
16 Correct 2 ms 376 KB n=100
17 Correct 3 ms 376 KB n=100
18 Correct 3 ms 376 KB n=100
19 Correct 2 ms 376 KB n=100
20 Correct 2 ms 376 KB n=100
21 Correct 2 ms 376 KB n=100
22 Correct 2 ms 376 KB n=100
23 Correct 2 ms 376 KB n=100
24 Correct 2 ms 376 KB n=100
25 Correct 2 ms 376 KB n=100
26 Correct 2 ms 376 KB n=12
27 Correct 3 ms 376 KB n=100

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB n=5
2 Correct 2 ms 376 KB n=100
3 Correct 2 ms 376 KB n=100
4 Correct 2 ms 376 KB n=100
5 Correct 2 ms 376 KB n=100
6 Correct 3 ms 376 KB n=100
7 Correct 3 ms 504 KB n=100
8 Correct 2 ms 376 KB n=100
9 Correct 2 ms 376 KB n=100
10 Correct 2 ms 376 KB n=100
11 Correct 2 ms 376 KB n=100
12 Correct 2 ms 376 KB n=100
13 Correct 2 ms 376 KB n=100
14 Correct 2 ms 376 KB n=100
15 Correct 3 ms 376 KB n=100
16 Correct 2 ms 376 KB n=100
17 Correct 3 ms 376 KB n=100
18 Correct 3 ms 376 KB n=100
19 Correct 2 ms 376 KB n=100
20 Correct 2 ms 376 KB n=100
21 Correct 2 ms 376 KB n=100
22 Correct 2 ms 376 KB n=100
23 Correct 2 ms 376 KB n=100
24 Correct 2 ms 376 KB n=100
25 Correct 2 ms 376 KB n=100
26 Correct 2 ms 376 KB n=12
27 Correct 3 ms 376 KB n=100
28 Correct 4 ms 376 KB n=500
29 Correct 5 ms 508 KB n=500
30 Correct 5 ms 376 KB n=500
31 Correct 5 ms 504 KB n=500
32 Correct 4 ms 504 KB n=500
33 Correct 5 ms 504 KB n=500
34 Correct 4 ms 376 KB n=500
35 Correct 5 ms 504 KB n=500
36 Correct 7 ms 504 KB n=500
37 Correct 7 ms 504 KB n=500
38 Correct 7 ms 504 KB n=500
39 Correct 5 ms 504 KB n=500
40 Correct 5 ms 504 KB n=500
41 Correct 5 ms 380 KB n=500
42 Correct 5 ms 376 KB n=500
43 Correct 5 ms 376 KB n=500
44 Correct 5 ms 504 KB n=500
45 Correct 3 ms 504 KB n=500
46 Correct 5 ms 504 KB n=500
47 Correct 5 ms 504 KB n=500
48 Correct 3 ms 508 KB n=500
49 Correct 4 ms 504 KB n=500
50 Correct 3 ms 376 KB n=500
51 Correct 4 ms 504 KB n=500
52 Correct 6 ms 504 KB n=500
53 Correct 4 ms 504 KB n=500
54 Correct 8 ms 504 KB n=500
55 Correct 3 ms 376 KB n=278
56 Correct 8 ms 504 KB n=500
57 Correct 8 ms 504 KB n=500
58 Correct 4 ms 376 KB n=500

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB n=5
2 Correct 2 ms 376 KB n=100
3 Correct 2 ms 376 KB n=100
4 Correct 2 ms 376 KB n=100
5 Correct 2 ms 376 KB n=100
6 Correct 3 ms 376 KB n=100
7 Correct 3 ms 504 KB n=100
8 Correct 2 ms 376 KB n=100
9 Correct 2 ms 376 KB n=100
10 Correct 2 ms 376 KB n=100
11 Correct 2 ms 376 KB n=100
12 Correct 2 ms 376 KB n=100
13 Correct 2 ms 376 KB n=100
14 Correct 2 ms 376 KB n=100
15 Correct 3 ms 376 KB n=100
16 Correct 2 ms 376 KB n=100
17 Correct 3 ms 376 KB n=100
18 Correct 3 ms 376 KB n=100
19 Correct 2 ms 376 KB n=100
20 Correct 2 ms 376 KB n=100
21 Correct 2 ms 376 KB n=100
22 Correct 2 ms 376 KB n=100
23 Correct 2 ms 376 KB n=100
24 Correct 2 ms 376 KB n=100
25 Correct 2 ms 376 KB n=100
26 Correct 2 ms 376 KB n=12
27 Correct 3 ms 376 KB n=100
28 Correct 4 ms 376 KB n=500
29 Correct 5 ms 508 KB n=500
30 Correct 5 ms 376 KB n=500
31 Correct 5 ms 504 KB n=500
32 Correct 4 ms 504 KB n=500
33 Correct 5 ms 504 KB n=500
34 Correct 4 ms 376 KB n=500
35 Correct 5 ms 504 KB n=500
36 Correct 7 ms 504 KB n=500
37 Correct 7 ms 504 KB n=500
38 Correct 7 ms 504 KB n=500
39 Correct 5 ms 504 KB n=500
40 Correct 5 ms 504 KB n=500
41 Correct 5 ms 380 KB n=500
42 Correct 5 ms 376 KB n=500
43 Correct 5 ms 376 KB n=500
44 Correct 5 ms 504 KB n=500
45 Correct 3 ms 504 KB n=500
46 Correct 5 ms 504 KB n=500
47 Correct 5 ms 504 KB n=500
48 Correct 3 ms 508 KB n=500
49 Correct 4 ms 504 KB n=500
50 Correct 3 ms 376 KB n=500
51 Correct 4 ms 504 KB n=500
52 Correct 6 ms 504 KB n=500
53 Correct 4 ms 504 KB n=500
54 Correct 8 ms 504 KB n=500
55 Correct 3 ms 376 KB n=278
56 Correct 8 ms 504 KB n=500
57 Correct 8 ms 504 KB n=500
58 Correct 4 ms 376 KB n=500
59 Correct 15 ms 632 KB n=2000
60 Correct 39 ms 760 KB n=2000
61 Correct 41 ms 632 KB n=2000
62 Correct 42 ms 632 KB n=2000
63 Correct 22 ms 632 KB n=2000
64 Correct 44 ms 760 KB n=2000
65 Correct 23 ms 760 KB n=2000
66 Correct 42 ms 760 KB n=2000
67 Correct 27 ms 760 KB n=2000
68 Correct 41 ms 632 KB n=2000
69 Correct 79 ms 760 KB n=2000
70 Correct 77 ms 692 KB n=2000
71 Correct 75 ms 760 KB n=2000
72 Correct 25 ms 632 KB n=2000
73 Correct 23 ms 632 KB n=2000
74 Correct 11 ms 632 KB n=1844
75 Correct 25 ms 632 KB n=2000
76 Correct 37 ms 632 KB n=2000
77 Correct 42 ms 632 KB n=2000
78 Correct 43 ms 680 KB n=2000
79 Correct 7 ms 604 KB n=2000
80 Correct 35 ms 760 KB n=2000
81 Correct 37 ms 632 KB n=2000
82 Correct 7 ms 636 KB n=2000
83 Correct 37 ms 632 KB n=2000
84 Correct 10 ms 632 KB n=2000
85 Correct 27 ms 632 KB n=2000
86 Correct 22 ms 632 KB n=2000
87 Correct 10 ms 632 KB n=2000
88 Correct 198 ms 760 KB n=2000
89 Correct 198 ms 760 KB n=2000
90 Correct 164 ms 860 KB n=2000
91 Correct 14 ms 632 KB n=2000

Subtask #4
0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB n=5
2 Correct 2 ms 376 KB n=100
3 Correct 2 ms 376 KB n=100
4 Correct 2 ms 376 KB n=100
5 Correct 2 ms 376 KB n=100
6 Correct 3 ms 376 KB n=100
7 Correct 3 ms 504 KB n=100
8 Correct 2 ms 376 KB n=100
9 Correct 2 ms 376 KB n=100
10 Correct 2 ms 376 KB n=100
11 Correct 2 ms 376 KB n=100
12 Correct 2 ms 376 KB n=100
13 Correct 2 ms 376 KB n=100
14 Correct 2 ms 376 KB n=100
15 Correct 3 ms 376 KB n=100
16 Correct 2 ms 376 KB n=100
17 Correct 3 ms 376 KB n=100
18 Correct 3 ms 376 KB n=100
19 Correct 2 ms 376 KB n=100
20 Correct 2 ms 376 KB n=100
21 Correct 2 ms 376 KB n=100
22 Correct 2 ms 376 KB n=100
23 Correct 2 ms 376 KB n=100
24 Correct 2 ms 376 KB n=100
25 Correct 2 ms 376 KB n=100
26 Correct 2 ms 376 KB n=12
27 Correct 3 ms 376 KB n=100
28 Correct 4 ms 376 KB n=500
29 Correct 5 ms 508 KB n=500
30 Correct 5 ms 376 KB n=500
31 Correct 5 ms 504 KB n=500
32 Correct 4 ms 504 KB n=500
33 Correct 5 ms 504 KB n=500
34 Correct 4 ms 376 KB n=500
35 Correct 5 ms 504 KB n=500
36 Correct 7 ms 504 KB n=500
37 Correct 7 ms 504 KB n=500
38 Correct 7 ms 504 KB n=500
39 Correct 5 ms 504 KB n=500
40 Correct 5 ms 504 KB n=500
41 Correct 5 ms 380 KB n=500
42 Correct 5 ms 376 KB n=500
43 Correct 5 ms 376 KB n=500
44 Correct 5 ms 504 KB n=500
45 Correct 3 ms 504 KB n=500
46 Correct 5 ms 504 KB n=500
47 Correct 5 ms 504 KB n=500
48 Correct 3 ms 508 KB n=500
49 Correct 4 ms 504 KB n=500
50 Correct 3 ms 376 KB n=500
51 Correct 4 ms 504 KB n=500
52 Correct 6 ms 504 KB n=500
53 Correct 4 ms 504 KB n=500
54 Correct 8 ms 504 KB n=500
55 Correct 3 ms 376 KB n=278
56 Correct 8 ms 504 KB n=500
57 Correct 8 ms 504 KB n=500
58 Correct 4 ms 376 KB n=500
59 Correct 15 ms 632 KB n=2000
60 Correct 39 ms 760 KB n=2000
61 Correct 41 ms 632 KB n=2000
62 Correct 42 ms 632 KB n=2000
63 Correct 22 ms 632 KB n=2000
64 Correct 44 ms 760 KB n=2000
65 Correct 23 ms 760 KB n=2000
66 Correct 42 ms 760 KB n=2000
67 Correct 27 ms 760 KB n=2000
68 Correct 41 ms 632 KB n=2000
69 Correct 79 ms 760 KB n=2000
70 Correct 77 ms 692 KB n=2000
71 Correct 75 ms 760 KB n=2000
72 Correct 25 ms 632 KB n=2000
73 Correct 23 ms 632 KB n=2000
74 Correct 11 ms 632 KB n=1844
75 Correct 25 ms 632 KB n=2000
76 Correct 37 ms 632 KB n=2000
77 Correct 42 ms 632 KB n=2000
78 Correct 43 ms 680 KB n=2000
79 Correct 7 ms 604 KB n=2000
80 Correct 35 ms 760 KB n=2000
81 Correct 37 ms 632 KB n=2000
82 Correct 7 ms 636 KB n=2000
83 Correct 37 ms 632 KB n=2000
84 Correct 10 ms 632 KB n=2000
85 Correct 27 ms 632 KB n=2000
86 Correct 22 ms 632 KB n=2000
87 Correct 10 ms 632 KB n=2000
88 Correct 198 ms 760 KB n=2000
89 Correct 198 ms 760 KB n=2000
90 Correct 164 ms 860 KB n=2000
91 Correct 14 ms 632 KB n=2000
92 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
93 Halted 0 ms 0 KB -