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Submission #207429

# Submission time Handle Problem Language Result Execution time Memory
207429 2020-03-07T14:03:41 Z mohamedsobhi777 Birthday gift (IZhO18_treearray) C++17
56 / 100
 68 ms 5240 KB 
#include<bits/stdc++.h> 
 
using namespace std ;

const int N = 1e5 + 7 ; 

int n , t , m, q; 
vector<int> adj[N] ; 
vector<int> path; 
int st[N] , en[N] ; 
int a[N]; 
int col[N] ; 

void dfs(int x , int p)
{   
    st[x] = t++ ; 
    path.push_back(x);
    for(auto u : adj[x])
    {       
        if(u==p)
        continue;
        dfs(u , x) ; 
    }
    en[x] = t++; 
    path.push_back(x) ; 
}

bool inside(int L, int R , int l , int r)
{
    return (l>=L && l<=R && r>=L && r<=R);
}

int main() 
{
   /// freopen("in.in" , "r" , stdin) ; 
    cin>>n>>m>>q; 
    for(int i = 0 ; i < n-1 ; i++)
    {
        int a, b ; 
        cin>>a>>b ; 
        adj[a].push_back(b) ; 
        adj[b].push_back(a) ; 
    }
    dfs(1 , 1) ; 
    for(int i = 0 ; i<m ; i++)
    {
        cin>>a[i] ; 
    }
    while(q--)
    {
        int idx , A , B; 
        cin>>idx>>A>>B ; 

        if(idx==1)
        {
            a[A-1] = B; 
        }
        else
        {
            int C; 
            cin>>C ; 
            int l = st[C] , r = en[C] ;  
            int nodeA = -2 , nodeB = -2;

            int color = 0 ;          
            int ls = 0 , rs = 0 ;    
            memset(col , -1 , sizeof col);
            for(int i = l+1 ; i<= r-1 ; i++)
            {
                if(ls==rs)
                    color++ ;
                col[path[i]] = color ; 
                if( i==st[path[i]] ) 
                    ls++;
                else rs++;
            }
            if(a[A-1]==C)
            {
                nodeA = A-1 ; 
                nodeB = A-1 ; 
            }
            else 
            for(int i = A ; i<= B-1 ; i++)
            {
                if(col[a[i] ] != col[a[i-1]] && col[a[i]]!=-1 && col[a[i-1]]!=-1)
                {
                    nodeA = i-1 ; 
                    nodeB = i ;
                    break;
                }
                if(a[i]==C)
                {
                    nodeA = i ; 
                    nodeB = i ; 
                    break;
                }
            }


            cout<<nodeA+1<<" " <<nodeB+1<<"\n" ; 
        }
        
    }
    return 0 ;  
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 3064 KB n=5
2 Correct 7 ms 3064 KB n=100
3 Correct 8 ms 3064 KB n=100
4 Correct 7 ms 3064 KB n=100
5 Correct 7 ms 3068 KB n=100
6 Correct 8 ms 3064 KB n=100
7 Correct 8 ms 3064 KB n=100
8 Correct 8 ms 3064 KB n=100
9 Correct 8 ms 3064 KB n=100
10 Correct 7 ms 3064 KB n=100
11 Correct 7 ms 3064 KB n=100
12 Correct 7 ms 3064 KB n=100
13 Correct 7 ms 3064 KB n=100
14 Correct 7 ms 3064 KB n=100
15 Correct 7 ms 3064 KB n=100
16 Correct 7 ms 3064 KB n=100
17 Correct 9 ms 3064 KB n=100
18 Correct 7 ms 3064 KB n=100
19 Correct 7 ms 3064 KB n=100
20 Correct 7 ms 3064 KB n=100
21 Correct 7 ms 3064 KB n=100
22 Correct 8 ms 3064 KB n=100
23 Correct 7 ms 3064 KB n=100
24 Correct 7 ms 3064 KB n=100
25 Correct 7 ms 3064 KB n=100
26 Correct 7 ms 3064 KB n=12
27 Correct 8 ms 3064 KB n=100

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 3064 KB n=5
2 Correct 7 ms 3064 KB n=100
3 Correct 8 ms 3064 KB n=100
4 Correct 7 ms 3064 KB n=100
5 Correct 7 ms 3068 KB n=100
6 Correct 8 ms 3064 KB n=100
7 Correct 8 ms 3064 KB n=100
8 Correct 8 ms 3064 KB n=100
9 Correct 8 ms 3064 KB n=100
10 Correct 7 ms 3064 KB n=100
11 Correct 7 ms 3064 KB n=100
12 Correct 7 ms 3064 KB n=100
13 Correct 7 ms 3064 KB n=100
14 Correct 7 ms 3064 KB n=100
15 Correct 7 ms 3064 KB n=100
16 Correct 7 ms 3064 KB n=100
17 Correct 9 ms 3064 KB n=100
18 Correct 7 ms 3064 KB n=100
19 Correct 7 ms 3064 KB n=100
20 Correct 7 ms 3064 KB n=100
21 Correct 7 ms 3064 KB n=100
22 Correct 8 ms 3064 KB n=100
23 Correct 7 ms 3064 KB n=100
24 Correct 7 ms 3064 KB n=100
25 Correct 7 ms 3064 KB n=100
26 Correct 7 ms 3064 KB n=12
27 Correct 8 ms 3064 KB n=100
28 Correct 11 ms 3064 KB n=500
29 Correct 12 ms 3192 KB n=500
30 Correct 12 ms 3064 KB n=500
31 Correct 11 ms 3064 KB n=500
32 Correct 12 ms 3064 KB n=500
33 Correct 12 ms 3064 KB n=500
34 Correct 11 ms 3064 KB n=500
35 Correct 12 ms 3064 KB n=500
36 Correct 15 ms 3064 KB n=500
37 Correct 20 ms 3064 KB n=500
38 Correct 16 ms 3064 KB n=500
39 Correct 16 ms 3064 KB n=500
40 Correct 16 ms 3064 KB n=500
41 Correct 15 ms 3064 KB n=500
42 Correct 11 ms 3064 KB n=500
43 Correct 11 ms 3064 KB n=500
44 Correct 11 ms 3064 KB n=500
45 Correct 12 ms 3064 KB n=500
46 Correct 12 ms 3064 KB n=500
47 Correct 12 ms 3064 KB n=500
48 Correct 12 ms 3064 KB n=500
49 Correct 11 ms 3064 KB n=500
50 Correct 12 ms 3064 KB n=500
51 Correct 11 ms 3064 KB n=500
52 Correct 12 ms 3064 KB n=500
53 Correct 12 ms 3064 KB n=500
54 Correct 12 ms 3064 KB n=500
55 Correct 8 ms 3064 KB n=278
56 Correct 12 ms 3064 KB n=500
57 Correct 12 ms 3192 KB n=500
58 Correct 15 ms 3064 KB n=500

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 3064 KB n=5
2 Correct 7 ms 3064 KB n=100
3 Correct 8 ms 3064 KB n=100
4 Correct 7 ms 3064 KB n=100
5 Correct 7 ms 3068 KB n=100
6 Correct 8 ms 3064 KB n=100
7 Correct 8 ms 3064 KB n=100
8 Correct 8 ms 3064 KB n=100
9 Correct 8 ms 3064 KB n=100
10 Correct 7 ms 3064 KB n=100
11 Correct 7 ms 3064 KB n=100
12 Correct 7 ms 3064 KB n=100
13 Correct 7 ms 3064 KB n=100
14 Correct 7 ms 3064 KB n=100
15 Correct 7 ms 3064 KB n=100
16 Correct 7 ms 3064 KB n=100
17 Correct 9 ms 3064 KB n=100
18 Correct 7 ms 3064 KB n=100
19 Correct 7 ms 3064 KB n=100
20 Correct 7 ms 3064 KB n=100
21 Correct 7 ms 3064 KB n=100
22 Correct 8 ms 3064 KB n=100
23 Correct 7 ms 3064 KB n=100
24 Correct 7 ms 3064 KB n=100
25 Correct 7 ms 3064 KB n=100
26 Correct 7 ms 3064 KB n=12
27 Correct 8 ms 3064 KB n=100
28 Correct 11 ms 3064 KB n=500
29 Correct 12 ms 3192 KB n=500
30 Correct 12 ms 3064 KB n=500
31 Correct 11 ms 3064 KB n=500
32 Correct 12 ms 3064 KB n=500
33 Correct 12 ms 3064 KB n=500
34 Correct 11 ms 3064 KB n=500
35 Correct 12 ms 3064 KB n=500
36 Correct 15 ms 3064 KB n=500
37 Correct 20 ms 3064 KB n=500
38 Correct 16 ms 3064 KB n=500
39 Correct 16 ms 3064 KB n=500
40 Correct 16 ms 3064 KB n=500
41 Correct 15 ms 3064 KB n=500
42 Correct 11 ms 3064 KB n=500
43 Correct 11 ms 3064 KB n=500
44 Correct 11 ms 3064 KB n=500
45 Correct 12 ms 3064 KB n=500
46 Correct 12 ms 3064 KB n=500
47 Correct 12 ms 3064 KB n=500
48 Correct 12 ms 3064 KB n=500
49 Correct 11 ms 3064 KB n=500
50 Correct 12 ms 3064 KB n=500
51 Correct 11 ms 3064 KB n=500
52 Correct 12 ms 3064 KB n=500
53 Correct 12 ms 3064 KB n=500
54 Correct 12 ms 3064 KB n=500
55 Correct 8 ms 3064 KB n=278
56 Correct 12 ms 3064 KB n=500
57 Correct 12 ms 3192 KB n=500
58 Correct 15 ms 3064 KB n=500
59 Correct 39 ms 3192 KB n=2000
60 Correct 35 ms 3320 KB n=2000
61 Correct 42 ms 3320 KB n=2000
62 Correct 42 ms 3320 KB n=2000
63 Correct 39 ms 3320 KB n=2000
64 Correct 53 ms 3324 KB n=2000
65 Correct 40 ms 3192 KB n=2000
66 Correct 42 ms 3320 KB n=2000
67 Correct 45 ms 3320 KB n=2000
68 Correct 43 ms 3320 KB n=2000
69 Correct 66 ms 3320 KB n=2000
70 Correct 68 ms 3320 KB n=2000
71 Correct 64 ms 3320 KB n=2000
72 Correct 67 ms 3192 KB n=2000
73 Correct 68 ms 3320 KB n=2000
74 Correct 32 ms 3192 KB n=1844
75 Correct 63 ms 3288 KB n=2000
76 Correct 42 ms 3320 KB n=2000
77 Correct 40 ms 3192 KB n=2000
78 Correct 40 ms 3192 KB n=2000
79 Correct 39 ms 3192 KB n=2000
80 Correct 39 ms 3320 KB n=2000
81 Correct 42 ms 3320 KB n=2000
82 Correct 39 ms 3236 KB n=2000
83 Correct 42 ms 3320 KB n=2000
84 Correct 26 ms 3304 KB n=2000
85 Correct 33 ms 3320 KB n=2000
86 Correct 31 ms 3320 KB n=2000
87 Correct 30 ms 3320 KB n=2000
88 Correct 43 ms 3320 KB n=2000
89 Correct 42 ms 3320 KB n=2000
90 Correct 41 ms 3320 KB n=2000
91 Correct 42 ms 3320 KB n=2000

Subtask #4
0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 3064 KB n=5
2 Correct 7 ms 3064 KB n=100
3 Correct 8 ms 3064 KB n=100
4 Correct 7 ms 3064 KB n=100
5 Correct 7 ms 3068 KB n=100
6 Correct 8 ms 3064 KB n=100
7 Correct 8 ms 3064 KB n=100
8 Correct 8 ms 3064 KB n=100
9 Correct 8 ms 3064 KB n=100
10 Correct 7 ms 3064 KB n=100
11 Correct 7 ms 3064 KB n=100
12 Correct 7 ms 3064 KB n=100
13 Correct 7 ms 3064 KB n=100
14 Correct 7 ms 3064 KB n=100
15 Correct 7 ms 3064 KB n=100
16 Correct 7 ms 3064 KB n=100
17 Correct 9 ms 3064 KB n=100
18 Correct 7 ms 3064 KB n=100
19 Correct 7 ms 3064 KB n=100
20 Correct 7 ms 3064 KB n=100
21 Correct 7 ms 3064 KB n=100
22 Correct 8 ms 3064 KB n=100
23 Correct 7 ms 3064 KB n=100
24 Correct 7 ms 3064 KB n=100
25 Correct 7 ms 3064 KB n=100
26 Correct 7 ms 3064 KB n=12
27 Correct 8 ms 3064 KB n=100
28 Correct 11 ms 3064 KB n=500
29 Correct 12 ms 3192 KB n=500
30 Correct 12 ms 3064 KB n=500
31 Correct 11 ms 3064 KB n=500
32 Correct 12 ms 3064 KB n=500
33 Correct 12 ms 3064 KB n=500
34 Correct 11 ms 3064 KB n=500
35 Correct 12 ms 3064 KB n=500
36 Correct 15 ms 3064 KB n=500
37 Correct 20 ms 3064 KB n=500
38 Correct 16 ms 3064 KB n=500
39 Correct 16 ms 3064 KB n=500
40 Correct 16 ms 3064 KB n=500
41 Correct 15 ms 3064 KB n=500
42 Correct 11 ms 3064 KB n=500
43 Correct 11 ms 3064 KB n=500
44 Correct 11 ms 3064 KB n=500
45 Correct 12 ms 3064 KB n=500
46 Correct 12 ms 3064 KB n=500
47 Correct 12 ms 3064 KB n=500
48 Correct 12 ms 3064 KB n=500
49 Correct 11 ms 3064 KB n=500
50 Correct 12 ms 3064 KB n=500
51 Correct 11 ms 3064 KB n=500
52 Correct 12 ms 3064 KB n=500
53 Correct 12 ms 3064 KB n=500
54 Correct 12 ms 3064 KB n=500
55 Correct 8 ms 3064 KB n=278
56 Correct 12 ms 3064 KB n=500
57 Correct 12 ms 3192 KB n=500
58 Correct 15 ms 3064 KB n=500
59 Correct 39 ms 3192 KB n=2000
60 Correct 35 ms 3320 KB n=2000
61 Correct 42 ms 3320 KB n=2000
62 Correct 42 ms 3320 KB n=2000
63 Correct 39 ms 3320 KB n=2000
64 Correct 53 ms 3324 KB n=2000
65 Correct 40 ms 3192 KB n=2000
66 Correct 42 ms 3320 KB n=2000
67 Correct 45 ms 3320 KB n=2000
68 Correct 43 ms 3320 KB n=2000
69 Correct 66 ms 3320 KB n=2000
70 Correct 68 ms 3320 KB n=2000
71 Correct 64 ms 3320 KB n=2000
72 Correct 67 ms 3192 KB n=2000
73 Correct 68 ms 3320 KB n=2000
74 Correct 32 ms 3192 KB n=1844
75 Correct 63 ms 3288 KB n=2000
76 Correct 42 ms 3320 KB n=2000
77 Correct 40 ms 3192 KB n=2000
78 Correct 40 ms 3192 KB n=2000
79 Correct 39 ms 3192 KB n=2000
80 Correct 39 ms 3320 KB n=2000
81 Correct 42 ms 3320 KB n=2000
82 Correct 39 ms 3236 KB n=2000
83 Correct 42 ms 3320 KB n=2000
84 Correct 26 ms 3304 KB n=2000
85 Correct 33 ms 3320 KB n=2000
86 Correct 31 ms 3320 KB n=2000
87 Correct 30 ms 3320 KB n=2000
88 Correct 43 ms 3320 KB n=2000
89 Correct 42 ms 3320 KB n=2000
90 Correct 41 ms 3320 KB n=2000
91 Correct 42 ms 3320 KB n=2000
92 Runtime error 9 ms 5240 KB Execution killed with signal 11 (could be triggered by violating memory limits)
93 Halted 0 ms 0 KB -