| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 93998 |
2019-01-14T13:32:14 Z |
fjzzq2002 |
Race (IOI11_race) |
C++14 |
|
1066 ms |
52856 KB |
#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;
}
| # |
Verdict |
Execution time |
Memory |
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 |
| # |
Verdict |
Execution time |
Memory |
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 |
| # |
Verdict |
Execution time |
Memory |
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 |
| # |
Verdict |
Execution time |
Memory |
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 |
