답안 #93998 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
93998	2019-01-14T13:32:14 Z	fjzzq2002	경주 (Race) (IOI11_race)	C++14	100 / 100	1066 ms	52856 KB

race

#include "race.h"
#include <bits/stdc++.h>
using namespace std;
namespace Wrap
{
#define Edg int M=0,fst[SZ],vb[SZ],nxt[SZ];void ad_de(int a,int b){++M;nxt[M]=fst[a];fst[a]=M;vb[M]=b;}void adde(int a,int b){ad_de(a,b);ad_de(b,a);}
#define Edgc int M=0,fst[SZ],vb[SZ],nxt[SZ],vc[SZ];void ad_de(int a,int b,int c){++M;nxt[M]=fst[a];fst[a]=M;vb[M]=b;vc[M]=c;}void adde(int a,int b,int c){ad_de(a,b,c);ad_de(b,a,c);}
#define es(x,e) (int e=fst[x];e;e=nxt[e])
#define esb(x,e,b) (int e=fst[x],b=vb[e];e;e=nxt[e],b=vb[e])
#define SZ 666666
typedef long long ll;
Edgc
int n,K,mi=2e9;
int sz[SZ],son[SZ],dep[SZ];
ll d1[SZ];
void dfs(int x,int f=SZ-1)
{
	dep[x]=dep[f]+1;
	sz[x]=1; son[x]=SZ-1;
	for esb(x,e,b) if(b!=f)
	{
		d1[b]=d1[x]+vc[e]; dfs(b,x); sz[x]+=sz[b];
		if(sz[b]>sz[son[x]]) son[x]=b;
	}
}
map<ll,int> ms;
int&gp(ll x)
{
	if(!ms.count(x))
		return ms[x]=2e9;
	return ms[x];
}
ll L; int ca;
void qry_pnt(int g)
{
	//d1[g]+d1[?]-L=K
	ca=min(ca,gp(K+L-d1[g])+dep[g]);
}
void add_pnt(int g)
{
	auto&t=gp(d1[g]);
	t=min(t,dep[g]);
}
template<class T>
void go(int x,int f,T*fun)
{
	fun(x);
	for esb(x,e,b) if(b!=f) go(b,x,fun);
}
void dfs2(int x,int t,bool k=1,int f=SZ-1)
{
	for esb(x,e,b) if(b!=f&&b!=son[x]) dfs2(b,b,0,x);
	if(son[x]<=n) dfs2(son[x],t,1,x);
	L=d1[x]*2; ca=2e9;
	for esb(x,e,b) if(b!=f&&b!=son[x])
		go(b,x,qry_pnt),go(b,x,add_pnt);
	qry_pnt(x); add_pnt(x);
	mi=min(mi,ca-dep[x]*2);
	if(!k) ms.clear();
}
}
int best_path(int N, int K_, int H[][2], int L[])
{
	using namespace Wrap;
	K=K_; n=N; mi=2e9;
	for(int i=0;i<N-1;++i)
		adde(H[i][0],H[i][1],L[i]);
	dfs(0); dfs2(0,0);
	return (mi>1e9)?(-1):mi;
}

Subtask #1
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	504 KB	Output is correct
2	Correct	2 ms	380 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	380 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	504 KB	Output is correct
2	Correct	2 ms	380 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	380 KB	Output is correct
19	Correct	2 ms	380 KB	Output is correct
20	Correct	2 ms	372 KB	Output is correct
21	Correct	3 ms	508 KB	Output is correct
22	Correct	3 ms	632 KB	Output is correct
23	Correct	3 ms	632 KB	Output is correct
24	Correct	3 ms	632 KB	Output is correct
25	Correct	3 ms	504 KB	Output is correct
26	Correct	3 ms	632 KB	Output is correct
27	Correct	3 ms	500 KB	Output is correct
28	Correct	3 ms	504 KB	Output is correct
29	Correct	3 ms	632 KB	Output is correct
30	Correct	3 ms	632 KB	Output is correct
31	Correct	3 ms	632 KB	Output is correct
32	Correct	3 ms	632 KB	Output is correct
33	Correct	4 ms	632 KB	Output is correct
34	Correct	3 ms	632 KB	Output is correct
35	Correct	3 ms	632 KB	Output is correct
36	Correct	3 ms	632 KB	Output is correct
37	Correct	3 ms	504 KB	Output is correct
38	Correct	3 ms	632 KB	Output is correct

Subtask #3
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	504 KB	Output is correct
2	Correct	2 ms	380 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	380 KB	Output is correct
19	Correct	195 ms	7696 KB	Output is correct
20	Correct	183 ms	7696 KB	Output is correct
21	Correct	183 ms	7728 KB	Output is correct
22	Correct	168 ms	7808 KB	Output is correct
23	Correct	298 ms	8028 KB	Output is correct
24	Correct	187 ms	7900 KB	Output is correct
25	Correct	75 ms	11640 KB	Output is correct
26	Correct	42 ms	13944 KB	Output is correct
27	Correct	239 ms	15444 KB	Output is correct
28	Correct	260 ms	52856 KB	Output is correct
29	Correct	214 ms	51832 KB	Output is correct
30	Correct	201 ms	15480 KB	Output is correct
31	Correct	219 ms	15596 KB	Output is correct
32	Correct	331 ms	15736 KB	Output is correct
33	Correct	304 ms	15480 KB	Output is correct
34	Correct	801 ms	41072 KB	Output is correct

Subtask #4
57.0 / 57.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	504 KB	Output is correct
2	Correct	2 ms	380 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	380 KB	Output is correct
19	Correct	2 ms	380 KB	Output is correct
20	Correct	2 ms	372 KB	Output is correct
21	Correct	3 ms	508 KB	Output is correct
22	Correct	3 ms	632 KB	Output is correct
23	Correct	3 ms	632 KB	Output is correct
24	Correct	3 ms	632 KB	Output is correct
25	Correct	3 ms	504 KB	Output is correct
26	Correct	3 ms	632 KB	Output is correct
27	Correct	3 ms	500 KB	Output is correct
28	Correct	3 ms	504 KB	Output is correct
29	Correct	3 ms	632 KB	Output is correct
30	Correct	3 ms	632 KB	Output is correct
31	Correct	3 ms	632 KB	Output is correct
32	Correct	3 ms	632 KB	Output is correct
33	Correct	4 ms	632 KB	Output is correct
34	Correct	3 ms	632 KB	Output is correct
35	Correct	3 ms	632 KB	Output is correct
36	Correct	3 ms	632 KB	Output is correct
37	Correct	3 ms	504 KB	Output is correct
38	Correct	3 ms	632 KB	Output is correct
39	Correct	195 ms	7696 KB	Output is correct
40	Correct	183 ms	7696 KB	Output is correct
41	Correct	183 ms	7728 KB	Output is correct
42	Correct	168 ms	7808 KB	Output is correct
43	Correct	298 ms	8028 KB	Output is correct
44	Correct	187 ms	7900 KB	Output is correct
45	Correct	75 ms	11640 KB	Output is correct
46	Correct	42 ms	13944 KB	Output is correct
47	Correct	239 ms	15444 KB	Output is correct
48	Correct	260 ms	52856 KB	Output is correct
49	Correct	214 ms	51832 KB	Output is correct
50	Correct	201 ms	15480 KB	Output is correct
51	Correct	219 ms	15596 KB	Output is correct
52	Correct	331 ms	15736 KB	Output is correct
53	Correct	304 ms	15480 KB	Output is correct
54	Correct	801 ms	41072 KB	Output is correct
55	Correct	21 ms	1660 KB	Output is correct
56	Correct	13 ms	1272 KB	Output is correct
57	Correct	123 ms	7668 KB	Output is correct
58	Correct	48 ms	7348 KB	Output is correct
59	Correct	140 ms	26204 KB	Output is correct
60	Correct	330 ms	51788 KB	Output is correct
61	Correct	345 ms	18652 KB	Output is correct
62	Correct	213 ms	15716 KB	Output is correct
63	Correct	270 ms	15736 KB	Output is correct
64	Correct	1012 ms	29276 KB	Output is correct
65	Correct	1066 ms	40824 KB	Output is correct
66	Correct	326 ms	49860 KB	Output is correct
67	Correct	162 ms	15736 KB	Output is correct
68	Correct	540 ms	36180 KB	Output is correct
69	Correct	557 ms	36636 KB	Output is correct
70	Correct	521 ms	34652 KB	Output is correct

답안 #93998

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 12.0 / 12.0

Subtask #3 22.0 / 22.0

Subtask #4 57.0 / 57.0

Subtask #1
9.0 / 9.0

Subtask #2
12.0 / 12.0

Subtask #3
22.0 / 22.0

Subtask #4
57.0 / 57.0