Submission #113989

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
113989	2019-05-29T12:49:36 Z	shayan_p	Construction of Highway (JOI18_construction)	C++14	16 / 100	2000 ms	3320 KB

construction

// High above the clouds there is a rainbow...

#include<bits/stdc++.h>

#define F first
#define S second
#define PB push_back
#define sz(s) int((s).size())
#define bit(n,k) (((n)>>(k))&1)

using namespace std;

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

const int maxn=1e5+10,mod=1e9+7;
const ll inf=1e18;

int a[maxn],fn[maxn],val[maxn],par[maxn];
vector<int>v[maxn];

void add(int pos,int x){
    for(pos=pos+3;pos<maxn;pos+=(pos & -pos))
	fn[pos]+=x;
}
int ask(int pos){
    int ans=0;
    for(pos=pos+3;pos>0;pos-=(pos & -pos))
	ans+=fn[pos];
    return ans;
}

void dfs(int u){
    add(a[u],1);
    for(int y:v[u]){
	val[y]=val[u]+ask(maxn-7)-ask(a[y]);
	dfs(y);
    }
    add(a[u],-1);
}

int arr[maxn],C;

int main(){
    ios_base::sync_with_stdio(false);cin.tie(0);
    int n;cin>>n;
    for(int i=0;i<n;i++){
	cin>>a[i];
	arr[i]=a[i];
    }
    sort(arr,arr+n);
    C=unique(arr,arr+n)-arr;
    for(int i=0;i<n;i++){
	a[i]=lower_bound(arr,arr+C,a[i])-arr;
    }
	
    par[0]=-1;
    for(int i=0;i<n-1;i++){
	int A,B;cin>>A>>B;
	par[--B]=--A;
	v[A].PB(B);
	dfs(0);
	int x=B;
	while(x>=0){
	    a[x]=a[B];
	    x=par[x];
	}
	cout<<val[A]<<"\n";
    }
    return 0;
}
// Deathly mistakes:
//  * Read the problem curfully.
//  * Check maxn.
//  * Overflows.

Subtask #1
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	2688 KB	Output is correct
2	Correct	4 ms	2688 KB	Output is correct
3	Correct	4 ms	2816 KB	Output is correct
4	Correct	7 ms	2816 KB	Output is correct
5	Correct	11 ms	2816 KB	Output is correct
6	Correct	11 ms	2816 KB	Output is correct
7	Correct	11 ms	2688 KB	Output is correct
8	Correct	11 ms	2816 KB	Output is correct
9	Correct	10 ms	2816 KB	Output is correct
10	Correct	10 ms	2816 KB	Output is correct
11	Correct	11 ms	2816 KB	Output is correct
12	Correct	11 ms	2816 KB	Output is correct
13	Correct	10 ms	2688 KB	Output is correct
14	Correct	10 ms	2816 KB	Output is correct
15	Correct	10 ms	2816 KB	Output is correct
16	Correct	10 ms	2688 KB	Output is correct
17	Correct	11 ms	2816 KB	Output is correct
18	Correct	11 ms	2816 KB	Output is correct
19	Correct	10 ms	2816 KB	Output is correct
20	Correct	11 ms	2816 KB	Output is correct
21	Correct	10 ms	2816 KB	Output is correct
22	Correct	11 ms	2816 KB	Output is correct
23	Correct	13 ms	2944 KB	Output is correct
24	Correct	11 ms	2688 KB	Output is correct
25	Correct	11 ms	2816 KB	Output is correct
26	Correct	12 ms	2816 KB	Output is correct
27	Correct	10 ms	2816 KB	Output is correct
28	Correct	11 ms	2688 KB	Output is correct
29	Correct	12 ms	2816 KB	Output is correct
30	Correct	10 ms	2816 KB	Output is correct
31	Correct	12 ms	2816 KB	Output is correct
32	Correct	12 ms	2816 KB	Output is correct
33	Correct	10 ms	2816 KB	Output is correct
34	Correct	10 ms	2816 KB	Output is correct
35	Correct	11 ms	2816 KB	Output is correct
36	Correct	10 ms	2688 KB	Output is correct
37	Correct	11 ms	2688 KB	Output is correct
38	Correct	12 ms	2816 KB	Output is correct
39	Correct	12 ms	2816 KB	Output is correct
40	Correct	10 ms	2688 KB	Output is correct
41	Correct	10 ms	2688 KB	Output is correct
42	Correct	12 ms	2688 KB	Output is correct
43	Correct	11 ms	2688 KB	Output is correct
44	Correct	11 ms	2688 KB	Output is correct

Subtask #2
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	2688 KB	Output is correct
2	Correct	4 ms	2688 KB	Output is correct
3	Correct	4 ms	2816 KB	Output is correct
4	Correct	7 ms	2816 KB	Output is correct
5	Correct	11 ms	2816 KB	Output is correct
6	Correct	11 ms	2816 KB	Output is correct
7	Correct	11 ms	2688 KB	Output is correct
8	Correct	11 ms	2816 KB	Output is correct
9	Correct	10 ms	2816 KB	Output is correct
10	Correct	10 ms	2816 KB	Output is correct
11	Correct	11 ms	2816 KB	Output is correct
12	Correct	11 ms	2816 KB	Output is correct
13	Correct	10 ms	2688 KB	Output is correct
14	Correct	10 ms	2816 KB	Output is correct
15	Correct	10 ms	2816 KB	Output is correct
16	Correct	10 ms	2688 KB	Output is correct
17	Correct	11 ms	2816 KB	Output is correct
18	Correct	11 ms	2816 KB	Output is correct
19	Correct	10 ms	2816 KB	Output is correct
20	Correct	11 ms	2816 KB	Output is correct
21	Correct	10 ms	2816 KB	Output is correct
22	Correct	11 ms	2816 KB	Output is correct
23	Correct	13 ms	2944 KB	Output is correct
24	Correct	11 ms	2688 KB	Output is correct
25	Correct	11 ms	2816 KB	Output is correct
26	Correct	12 ms	2816 KB	Output is correct
27	Correct	10 ms	2816 KB	Output is correct
28	Correct	11 ms	2688 KB	Output is correct
29	Correct	12 ms	2816 KB	Output is correct
30	Correct	10 ms	2816 KB	Output is correct
31	Correct	12 ms	2816 KB	Output is correct
32	Correct	12 ms	2816 KB	Output is correct
33	Correct	10 ms	2816 KB	Output is correct
34	Correct	10 ms	2816 KB	Output is correct
35	Correct	11 ms	2816 KB	Output is correct
36	Correct	10 ms	2688 KB	Output is correct
37	Correct	11 ms	2688 KB	Output is correct
38	Correct	12 ms	2816 KB	Output is correct
39	Correct	12 ms	2816 KB	Output is correct
40	Correct	10 ms	2688 KB	Output is correct
41	Correct	10 ms	2688 KB	Output is correct
42	Correct	12 ms	2688 KB	Output is correct
43	Correct	11 ms	2688 KB	Output is correct
44	Correct	11 ms	2688 KB	Output is correct
45	Correct	31 ms	2816 KB	Output is correct
46	Correct	479 ms	3148 KB	Output is correct
47	Correct	484 ms	2944 KB	Output is correct
48	Correct	496 ms	3064 KB	Output is correct
49	Correct	395 ms	3132 KB	Output is correct
50	Correct	395 ms	3224 KB	Output is correct
51	Correct	401 ms	3320 KB	Output is correct
52	Correct	381 ms	2972 KB	Output is correct
53	Correct	419 ms	3064 KB	Output is correct
54	Correct	420 ms	3064 KB	Output is correct
55	Correct	416 ms	3036 KB	Output is correct
56	Correct	406 ms	3064 KB	Output is correct
57	Correct	392 ms	2936 KB	Output is correct
58	Correct	485 ms	2956 KB	Output is correct
59	Correct	487 ms	2940 KB	Output is correct
60	Correct	473 ms	2936 KB	Output is correct
61	Correct	419 ms	3064 KB	Output is correct
62	Correct	417 ms	2936 KB	Output is correct
63	Correct	418 ms	3108 KB	Output is correct
64	Correct	512 ms	2936 KB	Output is correct
65	Correct	539 ms	3068 KB	Output is correct
66	Correct	489 ms	2936 KB	Output is correct
67	Correct	484 ms	2936 KB	Output is correct
68	Correct	473 ms	3164 KB	Output is correct
69	Correct	373 ms	3080 KB	Output is correct
70	Correct	481 ms	2936 KB	Output is correct
71	Correct	473 ms	3064 KB	Output is correct
72	Correct	384 ms	2936 KB	Output is correct
73	Correct	498 ms	2940 KB	Output is correct
74	Correct	477 ms	3064 KB	Output is correct
75	Correct	392 ms	2936 KB	Output is correct
76	Correct	372 ms	2936 KB	Output is correct
77	Correct	378 ms	2936 KB	Output is correct
78	Correct	454 ms	2944 KB	Output is correct
79	Correct	449 ms	2936 KB	Output is correct
80	Correct	460 ms	3052 KB	Output is correct
81	Correct	414 ms	2944 KB	Output is correct
82	Correct	447 ms	3064 KB	Output is correct
83	Correct	412 ms	3064 KB	Output is correct
84	Correct	471 ms	2936 KB	Output is correct
85	Correct	470 ms	2936 KB	Output is correct
86	Correct	462 ms	3076 KB	Output is correct

Subtask #3
0 / 84.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	2688 KB	Output is correct
2	Correct	4 ms	2688 KB	Output is correct
3	Correct	4 ms	2816 KB	Output is correct
4	Correct	7 ms	2816 KB	Output is correct
5	Correct	11 ms	2816 KB	Output is correct
6	Correct	11 ms	2816 KB	Output is correct
7	Correct	11 ms	2688 KB	Output is correct
8	Correct	11 ms	2816 KB	Output is correct
9	Correct	10 ms	2816 KB	Output is correct
10	Correct	10 ms	2816 KB	Output is correct
11	Correct	11 ms	2816 KB	Output is correct
12	Correct	11 ms	2816 KB	Output is correct
13	Correct	10 ms	2688 KB	Output is correct
14	Correct	10 ms	2816 KB	Output is correct
15	Correct	10 ms	2816 KB	Output is correct
16	Correct	10 ms	2688 KB	Output is correct
17	Correct	11 ms	2816 KB	Output is correct
18	Correct	11 ms	2816 KB	Output is correct
19	Correct	10 ms	2816 KB	Output is correct
20	Correct	11 ms	2816 KB	Output is correct
21	Correct	10 ms	2816 KB	Output is correct
22	Correct	11 ms	2816 KB	Output is correct
23	Correct	13 ms	2944 KB	Output is correct
24	Correct	11 ms	2688 KB	Output is correct
25	Correct	11 ms	2816 KB	Output is correct
26	Correct	12 ms	2816 KB	Output is correct
27	Correct	10 ms	2816 KB	Output is correct
28	Correct	11 ms	2688 KB	Output is correct
29	Correct	12 ms	2816 KB	Output is correct
30	Correct	10 ms	2816 KB	Output is correct
31	Correct	12 ms	2816 KB	Output is correct
32	Correct	12 ms	2816 KB	Output is correct
33	Correct	10 ms	2816 KB	Output is correct
34	Correct	10 ms	2816 KB	Output is correct
35	Correct	11 ms	2816 KB	Output is correct
36	Correct	10 ms	2688 KB	Output is correct
37	Correct	11 ms	2688 KB	Output is correct
38	Correct	12 ms	2816 KB	Output is correct
39	Correct	12 ms	2816 KB	Output is correct
40	Correct	10 ms	2688 KB	Output is correct
41	Correct	10 ms	2688 KB	Output is correct
42	Correct	12 ms	2688 KB	Output is correct
43	Correct	11 ms	2688 KB	Output is correct
44	Correct	11 ms	2688 KB	Output is correct
45	Correct	31 ms	2816 KB	Output is correct
46	Correct	479 ms	3148 KB	Output is correct
47	Correct	484 ms	2944 KB	Output is correct
48	Correct	496 ms	3064 KB	Output is correct
49	Correct	395 ms	3132 KB	Output is correct
50	Correct	395 ms	3224 KB	Output is correct
51	Correct	401 ms	3320 KB	Output is correct
52	Correct	381 ms	2972 KB	Output is correct
53	Correct	419 ms	3064 KB	Output is correct
54	Correct	420 ms	3064 KB	Output is correct
55	Correct	416 ms	3036 KB	Output is correct
56	Correct	406 ms	3064 KB	Output is correct
57	Correct	392 ms	2936 KB	Output is correct
58	Correct	485 ms	2956 KB	Output is correct
59	Correct	487 ms	2940 KB	Output is correct
60	Correct	473 ms	2936 KB	Output is correct
61	Correct	419 ms	3064 KB	Output is correct
62	Correct	417 ms	2936 KB	Output is correct
63	Correct	418 ms	3108 KB	Output is correct
64	Correct	512 ms	2936 KB	Output is correct
65	Correct	539 ms	3068 KB	Output is correct
66	Correct	489 ms	2936 KB	Output is correct
67	Correct	484 ms	2936 KB	Output is correct
68	Correct	473 ms	3164 KB	Output is correct
69	Correct	373 ms	3080 KB	Output is correct
70	Correct	481 ms	2936 KB	Output is correct
71	Correct	473 ms	3064 KB	Output is correct
72	Correct	384 ms	2936 KB	Output is correct
73	Correct	498 ms	2940 KB	Output is correct
74	Correct	477 ms	3064 KB	Output is correct
75	Correct	392 ms	2936 KB	Output is correct
76	Correct	372 ms	2936 KB	Output is correct
77	Correct	378 ms	2936 KB	Output is correct
78	Correct	454 ms	2944 KB	Output is correct
79	Correct	449 ms	2936 KB	Output is correct
80	Correct	460 ms	3052 KB	Output is correct
81	Correct	414 ms	2944 KB	Output is correct
82	Correct	447 ms	3064 KB	Output is correct
83	Correct	412 ms	3064 KB	Output is correct
84	Correct	471 ms	2936 KB	Output is correct
85	Correct	470 ms	2936 KB	Output is correct
86	Correct	462 ms	3076 KB	Output is correct
87	Execution timed out	2056 ms	3320 KB	Time limit exceeded
88	Halted	0 ms	0 KB	-

Submission #113989

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 9.0 / 9.0

Subtask #3 0 / 84.0

Subtask #1
7.0 / 7.0

Subtask #2
9.0 / 9.0

Subtask #3
0 / 84.0