답안 #100401

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
100401	2019-03-10T22:43:42 Z	SuperJumbo	경주 (Race) (IOI11_race)	C++14	43 / 100	3000 ms	36088 KB

race

 #include <bits/stdc++.h>
#define NMAX 500001
#define inf (INT_MAX>>2)
#define ll long long
#define add push_back
#define mp make_pair
#include "race.h"
using namespace std;
#define min(a,b) (a > b ? b : a) 
vector<pair<int,int>> g[NMAX];
int tot, k, ans; 
int sz[NMAX], cen[NMAX];
unordered_map<int,int> all,sub;
void dfs(int node,int par){
    sz[node] = 1;
    for(auto e:g[node]){
    	int x = e.first;
        if(x == par || cen[x] )continue;
        dfs(x,node);
        sz[node] += sz[x];
    }
    tot = max(tot,sz[node]);
}
int centroid(int node,int par){
    for(auto e:g[node]){
    	int x = e.first;
        if(x!=par && sz[x]> tot/2 && !cen[x]){
            return centroid(x,node);
        }
    }
    cen[node] = 1;
    return node;
}
void dfs2(int node, int par, int cc, int len){
	if(len == k) ans = min(ans, cc);
	if(len >= k) return;
	if(all[k-len]) ans = min(ans,all[k-len]+cc);
	if(!sub[len])  sub[len] = cc;
	sub[len] = min(sub[len],cc);
	for(auto e:g[node]){
		int x = e.first;
		if(!cen[x] && x != par)
			dfs2(x,node,cc+1,len + e.second);
	}
 
 
}
void dcmp(int node,int par){
    tot = 0;
    dfs(node,par);
    int c = centroid(node,par);
    all.clear();
    for(auto e :g[c]){
    	int x  = e.first;
    	if(cen[x])continue;
    	sub.clear();
    	dfs2(x,c,1,e.second);
    	for(auto u:sub) 
    		all[u.first] = all[u.first] == 0 ? u.second : min(all[u.first],u.second);
    }
    for(auto e:g[c]){
    	int x = e.first;
    	if(!cen[x]) dcmp(x,c);
    }
}
int best_path(int n,int K,int h[][2] ,int L[]) {
	k  = K;
    for(int i = 0 ;i<n-1;i++){
    	int u = h[i][0], v = h[i][1];
        g[u].add(mp(v,L[i]));g[v].add(mp(u,L[i]));
    }
    memset(cen,0,sizeof(cen));
    ans = inf;
    dcmp(0,-1);
  	ans = ans == inf ? -1: ans;
    return ans;
}

Subtask #1
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	14080 KB	Output is correct
2	Correct	13 ms	14080 KB	Output is correct
3	Correct	13 ms	14080 KB	Output is correct
4	Correct	13 ms	14080 KB	Output is correct
5	Correct	13 ms	14048 KB	Output is correct
6	Correct	15 ms	14080 KB	Output is correct
7	Correct	13 ms	14080 KB	Output is correct
8	Correct	13 ms	14080 KB	Output is correct
9	Correct	15 ms	14080 KB	Output is correct
10	Correct	14 ms	14080 KB	Output is correct
11	Correct	13 ms	14080 KB	Output is correct
12	Correct	14 ms	14208 KB	Output is correct
13	Correct	13 ms	14080 KB	Output is correct
14	Correct	13 ms	14080 KB	Output is correct
15	Correct	14 ms	14080 KB	Output is correct
16	Correct	14 ms	14080 KB	Output is correct
17	Correct	14 ms	14080 KB	Output is correct
18	Correct	14 ms	14080 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	14080 KB	Output is correct
2	Correct	13 ms	14080 KB	Output is correct
3	Correct	13 ms	14080 KB	Output is correct
4	Correct	13 ms	14080 KB	Output is correct
5	Correct	13 ms	14048 KB	Output is correct
6	Correct	15 ms	14080 KB	Output is correct
7	Correct	13 ms	14080 KB	Output is correct
8	Correct	13 ms	14080 KB	Output is correct
9	Correct	15 ms	14080 KB	Output is correct
10	Correct	14 ms	14080 KB	Output is correct
11	Correct	13 ms	14080 KB	Output is correct
12	Correct	14 ms	14208 KB	Output is correct
13	Correct	13 ms	14080 KB	Output is correct
14	Correct	13 ms	14080 KB	Output is correct
15	Correct	14 ms	14080 KB	Output is correct
16	Correct	14 ms	14080 KB	Output is correct
17	Correct	14 ms	14080 KB	Output is correct
18	Correct	14 ms	14080 KB	Output is correct
19	Correct	13 ms	14080 KB	Output is correct
20	Correct	14 ms	13996 KB	Output is correct
21	Correct	17 ms	14080 KB	Output is correct
22	Correct	16 ms	14208 KB	Output is correct
23	Correct	14 ms	14052 KB	Output is correct
24	Correct	14 ms	14080 KB	Output is correct
25	Correct	16 ms	14208 KB	Output is correct
26	Correct	17 ms	14080 KB	Output is correct
27	Correct	14 ms	14080 KB	Output is correct
28	Correct	15 ms	14180 KB	Output is correct
29	Correct	16 ms	14208 KB	Output is correct
30	Correct	16 ms	14208 KB	Output is correct
31	Correct	17 ms	14208 KB	Output is correct
32	Correct	16 ms	14208 KB	Output is correct
33	Correct	16 ms	14208 KB	Output is correct
34	Correct	15 ms	14080 KB	Output is correct
35	Correct	16 ms	14080 KB	Output is correct
36	Correct	17 ms	14080 KB	Output is correct
37	Correct	16 ms	14220 KB	Output is correct
38	Correct	15 ms	14208 KB	Output is correct

Subtask #3
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	14080 KB	Output is correct
2	Correct	13 ms	14080 KB	Output is correct
3	Correct	13 ms	14080 KB	Output is correct
4	Correct	13 ms	14080 KB	Output is correct
5	Correct	13 ms	14048 KB	Output is correct
6	Correct	15 ms	14080 KB	Output is correct
7	Correct	13 ms	14080 KB	Output is correct
8	Correct	13 ms	14080 KB	Output is correct
9	Correct	15 ms	14080 KB	Output is correct
10	Correct	14 ms	14080 KB	Output is correct
11	Correct	13 ms	14080 KB	Output is correct
12	Correct	14 ms	14208 KB	Output is correct
13	Correct	13 ms	14080 KB	Output is correct
14	Correct	13 ms	14080 KB	Output is correct
15	Correct	14 ms	14080 KB	Output is correct
16	Correct	14 ms	14080 KB	Output is correct
17	Correct	14 ms	14080 KB	Output is correct
18	Correct	14 ms	14080 KB	Output is correct
19	Correct	311 ms	19316 KB	Output is correct
20	Correct	272 ms	19344 KB	Output is correct
21	Correct	298 ms	19320 KB	Output is correct
22	Correct	275 ms	19448 KB	Output is correct
23	Correct	152 ms	19576 KB	Output is correct
24	Correct	147 ms	19656 KB	Output is correct
25	Correct	286 ms	22076 KB	Output is correct
26	Correct	211 ms	25132 KB	Output is correct
27	Correct	328 ms	24824 KB	Output is correct
28	Correct	534 ms	36088 KB	Output is correct
29	Correct	539 ms	35316 KB	Output is correct
30	Correct	327 ms	24824 KB	Output is correct
31	Correct	328 ms	24696 KB	Output is correct
32	Correct	331 ms	24696 KB	Output is correct
33	Correct	593 ms	23800 KB	Output is correct
34	Correct	341 ms	23544 KB	Output is correct

Subtask #4
0 / 57.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	14080 KB	Output is correct
2	Correct	13 ms	14080 KB	Output is correct
3	Correct	13 ms	14080 KB	Output is correct
4	Correct	13 ms	14080 KB	Output is correct
5	Correct	13 ms	14048 KB	Output is correct
6	Correct	15 ms	14080 KB	Output is correct
7	Correct	13 ms	14080 KB	Output is correct
8	Correct	13 ms	14080 KB	Output is correct
9	Correct	15 ms	14080 KB	Output is correct
10	Correct	14 ms	14080 KB	Output is correct
11	Correct	13 ms	14080 KB	Output is correct
12	Correct	14 ms	14208 KB	Output is correct
13	Correct	13 ms	14080 KB	Output is correct
14	Correct	13 ms	14080 KB	Output is correct
15	Correct	14 ms	14080 KB	Output is correct
16	Correct	14 ms	14080 KB	Output is correct
17	Correct	14 ms	14080 KB	Output is correct
18	Correct	14 ms	14080 KB	Output is correct
19	Correct	13 ms	14080 KB	Output is correct
20	Correct	14 ms	13996 KB	Output is correct
21	Correct	17 ms	14080 KB	Output is correct
22	Correct	16 ms	14208 KB	Output is correct
23	Correct	14 ms	14052 KB	Output is correct
24	Correct	14 ms	14080 KB	Output is correct
25	Correct	16 ms	14208 KB	Output is correct
26	Correct	17 ms	14080 KB	Output is correct
27	Correct	14 ms	14080 KB	Output is correct
28	Correct	15 ms	14180 KB	Output is correct
29	Correct	16 ms	14208 KB	Output is correct
30	Correct	16 ms	14208 KB	Output is correct
31	Correct	17 ms	14208 KB	Output is correct
32	Correct	16 ms	14208 KB	Output is correct
33	Correct	16 ms	14208 KB	Output is correct
34	Correct	15 ms	14080 KB	Output is correct
35	Correct	16 ms	14080 KB	Output is correct
36	Correct	17 ms	14080 KB	Output is correct
37	Correct	16 ms	14220 KB	Output is correct
38	Correct	15 ms	14208 KB	Output is correct
39	Correct	311 ms	19316 KB	Output is correct
40	Correct	272 ms	19344 KB	Output is correct
41	Correct	298 ms	19320 KB	Output is correct
42	Correct	275 ms	19448 KB	Output is correct
43	Correct	152 ms	19576 KB	Output is correct
44	Correct	147 ms	19656 KB	Output is correct
45	Correct	286 ms	22076 KB	Output is correct
46	Correct	211 ms	25132 KB	Output is correct
47	Correct	328 ms	24824 KB	Output is correct
48	Correct	534 ms	36088 KB	Output is correct
49	Correct	539 ms	35316 KB	Output is correct
50	Correct	327 ms	24824 KB	Output is correct
51	Correct	328 ms	24696 KB	Output is correct
52	Correct	331 ms	24696 KB	Output is correct
53	Correct	593 ms	23800 KB	Output is correct
54	Correct	341 ms	23544 KB	Output is correct
55	Correct	71 ms	14848 KB	Output is correct
56	Correct	36 ms	14564 KB	Output is correct
57	Correct	214 ms	19704 KB	Output is correct
58	Correct	67 ms	19512 KB	Output is correct
59	Execution timed out	3015 ms	33132 KB	Time limit exceeded
60	Halted	0 ms	0 KB	-

답안 #100401

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 12.0 / 12.0

Subtask #3 22.0 / 22.0

Subtask #4 0 / 57.0

Subtask #1
9.0 / 9.0

Subtask #2
12.0 / 12.0

Subtask #3
22.0 / 22.0

Subtask #4
0 / 57.0