답안 #315520

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
315520	2020-10-23T02:59:23 Z	tasfiq4	꿈 (IOI13_dreaming)	C++14	47 / 100	128 ms	17528 KB

dreaming

#include "dreaming.h"
#include <bits/stdc++.h>
using namespace std;
typedef pair<int,int > pii;
typedef long long int lld;
#define pi acos(-1)
#define fr(i,m,n) for(i=m;i<n;i++)
#define fu(i,m,n) for(i=m;i>=n;i--)
#define vec vector<int>
#define pb push_back
#define pp pop_back()
#define ft first
#define sd second
#define all(v) v.begin(),v.end()
#define mom(ara) memset(ara,0,sizeof(ara));
#define m1m(ara) memset(ara,-1,sizeof(ara));
#define endl "\n"
#define eps 1.19209e-07
vector<pii> adj[100010];
int visited[100010];
int mx[100010];
void get_dm(int u,int p)
{
	visited[u]=1;
	mx[u]=0;
	for(auto v:adj[u])
	{
		if(v.ft==p) continue;
		get_dm(v.ft,u);
		mx[u]=max(mx[u],mx[v.ft]+v.sd);
	}
}
pii func(int u,int p,int d)
{
	int m=d,m2=0,n=p,l=0;
	for(auto v:adj[u])
	{
		if(v.ft==p) continue;
		if(mx[v.ft]+v.sd>m)
		{
			m2=m;
			m=mx[v.ft]+v.sd;
			n=v.ft;
			l=v.sd;
		}
		else if(mx[v.ft]+v.sd>m2) m2=mx[v.ft]+v.sd;
	}
	if(m2+l<m && n!=p) return func(n,u,m2+l);
	return {u,m};
}
struct cmp
{
    bool operator()(const pair<int,int> &a,const pair<int,int> &b) const{
    	return a.sd>b.sd;
    }
};
pair<int, int> bfs(int n, int s) {
    vector<int> dis(n+1, -1);
 
    priority_queue<pii,vector<pii>,cmp> q;
    q.push({s,0});
    dis[s] = 0;
    int last = n;
    while (q.size()) {
        int u = q.top().ft;
        q.pop();
 
        for (auto  v: adj[u])
            if (dis[v.ft] == -1) {
                dis[v.ft] = dis[u] + v.sd;
                if(dis[v.ft]>dis[last]) last=v.ft;
                q.push({v.ft,v.sd});
            }
    }
    return {last, dis[last]};
}
int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
    int i,j,a,b,c,x,y,z,n,m,w,k,t;
    priority_queue<pii,vector<pii>,cmp> h;
    n=N;m=M;k=L;
    fr(i,0,m)
    {
    	a=A[i];b=B[i];w=T[i];
    	adj[a].pb({b,w});
    	adj[b].pb({a,w});
    }
    fr(i,0,n)
    {
    	if(visited[i]) continue;
    	get_dm(i,-1);
    	h.push(func(i,-1,0));
    }
    while(h.size()!=1)
    {
        pii u=h.top();
        h.pop();
        pii v=h.top();
        h.pop();
        adj[u.ft].pb({v.ft,k});
        adj[v.ft].pb({u.ft,k});
        h.push({v.ft,max(u.sd+k,v.sd)});
    }
    return bfs(n, bfs(n, 0).first).second;

}

Compilation message

dreaming.cpp: In function 'int travelTime(int, int, int, int*, int*, int*)':
dreaming.cpp:78:11: warning: unused variable 'j' [-Wunused-variable]
   78 |     int i,j,a,b,c,x,y,z,n,m,w,k,t;
      |           ^
dreaming.cpp:78:17: warning: unused variable 'c' [-Wunused-variable]
   78 |     int i,j,a,b,c,x,y,z,n,m,w,k,t;
      |                 ^
dreaming.cpp:78:19: warning: unused variable 'x' [-Wunused-variable]
   78 |     int i,j,a,b,c,x,y,z,n,m,w,k,t;
      |                   ^
dreaming.cpp:78:21: warning: unused variable 'y' [-Wunused-variable]
   78 |     int i,j,a,b,c,x,y,z,n,m,w,k,t;
      |                     ^
dreaming.cpp:78:23: warning: unused variable 'z' [-Wunused-variable]
   78 |     int i,j,a,b,c,x,y,z,n,m,w,k,t;
      |                       ^
dreaming.cpp:78:33: warning: unused variable 't' [-Wunused-variable]
   78 |     int i,j,a,b,c,x,y,z,n,m,w,k,t;
      |                                 ^

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	67 ms	12944 KB	Output is correct
2	Correct	66 ms	12568 KB	Output is correct
3	Correct	47 ms	11008 KB	Output is correct
4	Correct	10 ms	4224 KB	Output is correct
5	Correct	8 ms	3584 KB	Output is correct
6	Correct	17 ms	4984 KB	Output is correct
7	Correct	2 ms	2688 KB	Output is correct
8	Correct	32 ms	6904 KB	Output is correct
9	Correct	48 ms	9208 KB	Output is correct
10	Correct	2 ms	2816 KB	Output is correct
11	Correct	65 ms	10232 KB	Output is correct
12	Correct	82 ms	11612 KB	Output is correct
13	Correct	3 ms	2816 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	67 ms	12944 KB	Output is correct
2	Correct	66 ms	12568 KB	Output is correct
3	Correct	47 ms	11008 KB	Output is correct
4	Correct	10 ms	4224 KB	Output is correct
5	Correct	8 ms	3584 KB	Output is correct
6	Correct	17 ms	4984 KB	Output is correct
7	Correct	2 ms	2688 KB	Output is correct
8	Correct	32 ms	6904 KB	Output is correct
9	Correct	48 ms	9208 KB	Output is correct
10	Correct	2 ms	2816 KB	Output is correct
11	Correct	65 ms	10232 KB	Output is correct
12	Correct	82 ms	11612 KB	Output is correct
13	Correct	3 ms	2816 KB	Output is correct
14	Correct	2 ms	2688 KB	Output is correct
15	Correct	2 ms	2688 KB	Output is correct
16	Correct	2 ms	2688 KB	Output is correct
17	Correct	2 ms	2688 KB	Output is correct
18	Correct	2 ms	2688 KB	Output is correct
19	Correct	2 ms	2688 KB	Output is correct
20	Correct	2 ms	2688 KB	Output is correct
21	Correct	2 ms	2688 KB	Output is correct
22	Correct	2 ms	2720 KB	Output is correct
23	Correct	2 ms	2688 KB	Output is correct
24	Correct	2 ms	2688 KB	Output is correct
25	Correct	2 ms	2688 KB	Output is correct
26	Correct	2 ms	2688 KB	Output is correct
27	Correct	2 ms	2688 KB	Output is correct
28	Correct	2 ms	2688 KB	Output is correct
29	Correct	2 ms	2720 KB	Output is correct
30	Correct	2 ms	2688 KB	Output is correct
31	Correct	2 ms	2688 KB	Output is correct
32	Correct	2 ms	2688 KB	Output is correct
33	Correct	2 ms	2688 KB	Output is correct
34	Correct	2 ms	2688 KB	Output is correct
35	Correct	2 ms	2688 KB	Output is correct
36	Correct	2 ms	2688 KB	Output is correct
37	Correct	2 ms	2816 KB	Output is correct
38	Correct	2 ms	2688 KB	Output is correct

Subtask #3
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	67 ms	12944 KB	Output is correct
2	Correct	66 ms	12568 KB	Output is correct
3	Correct	47 ms	11008 KB	Output is correct
4	Correct	10 ms	4224 KB	Output is correct
5	Correct	8 ms	3584 KB	Output is correct
6	Correct	17 ms	4984 KB	Output is correct
7	Correct	2 ms	2688 KB	Output is correct
8	Correct	32 ms	6904 KB	Output is correct
9	Correct	48 ms	9208 KB	Output is correct
10	Correct	2 ms	2816 KB	Output is correct
11	Correct	65 ms	10232 KB	Output is correct
12	Correct	82 ms	11612 KB	Output is correct
13	Correct	3 ms	2816 KB	Output is correct
14	Correct	2 ms	2688 KB	Output is correct
15	Correct	2 ms	2688 KB	Output is correct
16	Correct	2 ms	2688 KB	Output is correct
17	Correct	2 ms	2688 KB	Output is correct
18	Correct	2 ms	2688 KB	Output is correct
19	Correct	2 ms	2688 KB	Output is correct
20	Correct	2 ms	2688 KB	Output is correct
21	Correct	2 ms	2688 KB	Output is correct
22	Correct	2 ms	2720 KB	Output is correct
23	Correct	2 ms	2688 KB	Output is correct
24	Correct	2 ms	2688 KB	Output is correct
25	Correct	2 ms	2688 KB	Output is correct
26	Correct	2 ms	2688 KB	Output is correct
27	Correct	2 ms	2688 KB	Output is correct
28	Correct	2 ms	2688 KB	Output is correct
29	Correct	2 ms	2720 KB	Output is correct
30	Correct	2 ms	2688 KB	Output is correct
31	Correct	2 ms	2688 KB	Output is correct
32	Correct	2 ms	2688 KB	Output is correct
33	Correct	2 ms	2688 KB	Output is correct
34	Correct	2 ms	2688 KB	Output is correct
35	Correct	2 ms	2688 KB	Output is correct
36	Correct	2 ms	2688 KB	Output is correct
37	Correct	2 ms	2816 KB	Output is correct
38	Correct	2 ms	2688 KB	Output is correct
39	Correct	66 ms	12920 KB	Output is correct
40	Correct	65 ms	12564 KB	Output is correct
41	Correct	44 ms	11000 KB	Output is correct
42	Correct	13 ms	4256 KB	Output is correct
43	Correct	2 ms	2688 KB	Output is correct
44	Correct	2 ms	2688 KB	Output is correct
45	Correct	2 ms	2688 KB	Output is correct
46	Correct	2 ms	2688 KB	Output is correct
47	Correct	2 ms	2688 KB	Output is correct
48	Correct	2 ms	2688 KB	Output is correct
49	Correct	2 ms	2688 KB	Output is correct
50	Correct	3 ms	2688 KB	Output is correct
51	Correct	2 ms	2688 KB	Output is correct
52	Correct	2 ms	2688 KB	Output is correct
53	Correct	2 ms	2688 KB	Output is correct
54	Correct	2 ms	2688 KB	Output is correct
55	Correct	2 ms	2688 KB	Output is correct
56	Correct	2 ms	2688 KB	Output is correct
57	Correct	116 ms	10360 KB	Output is correct
58	Correct	121 ms	10360 KB	Output is correct
59	Correct	119 ms	10360 KB	Output is correct
60	Correct	112 ms	10292 KB	Output is correct
61	Correct	120 ms	10496 KB	Output is correct
62	Correct	119 ms	10360 KB	Output is correct
63	Correct	111 ms	10104 KB	Output is correct
64	Correct	120 ms	10104 KB	Output is correct
65	Correct	126 ms	10480 KB	Output is correct
66	Correct	117 ms	10488 KB	Output is correct
67	Correct	124 ms	10360 KB	Output is correct
68	Correct	113 ms	10360 KB	Output is correct
69	Correct	118 ms	10616 KB	Output is correct
70	Correct	120 ms	10616 KB	Output is correct
71	Correct	2 ms	2688 KB	Output is correct
72	Correct	4 ms	2944 KB	Output is correct
73	Correct	4 ms	2944 KB	Output is correct
74	Correct	4 ms	2944 KB	Output is correct
75	Correct	4 ms	2944 KB	Output is correct
76	Correct	4 ms	2944 KB	Output is correct
77	Correct	4 ms	2944 KB	Output is correct
78	Correct	4 ms	2944 KB	Output is correct
79	Correct	4 ms	2944 KB	Output is correct
80	Correct	117 ms	10236 KB	Output is correct
81	Correct	125 ms	10352 KB	Output is correct
82	Correct	114 ms	10488 KB	Output is correct
83	Correct	117 ms	10360 KB	Output is correct
84	Correct	4 ms	2816 KB	Output is correct
85	Correct	3 ms	2816 KB	Output is correct
86	Correct	4 ms	2816 KB	Output is correct
87	Correct	4 ms	2816 KB	Output is correct
88	Correct	4 ms	2944 KB	Output is correct
89	Correct	4 ms	2816 KB	Output is correct
90	Correct	4 ms	2816 KB	Output is correct
91	Correct	4 ms	2944 KB	Output is correct
92	Correct	4 ms	2944 KB	Output is correct
93	Correct	4 ms	2816 KB	Output is correct
94	Correct	2 ms	2688 KB	Output is correct
95	Correct	2 ms	2688 KB	Output is correct
96	Correct	2 ms	2816 KB	Output is correct
97	Correct	2 ms	2688 KB	Output is correct
98	Correct	2 ms	2688 KB	Output is correct
99	Correct	2 ms	2688 KB	Output is correct
100	Correct	2 ms	2688 KB	Output is correct
101	Correct	2 ms	2688 KB	Output is correct
102	Correct	2 ms	2688 KB	Output is correct
103	Correct	2 ms	2688 KB	Output is correct
104	Correct	8 ms	3584 KB	Output is correct
105	Correct	16 ms	4992 KB	Output is correct
106	Correct	2 ms	2688 KB	Output is correct
107	Correct	33 ms	7008 KB	Output is correct
108	Correct	44 ms	9212 KB	Output is correct
109	Correct	2 ms	2816 KB	Output is correct
110	Correct	74 ms	10232 KB	Output is correct
111	Correct	83 ms	11452 KB	Output is correct
112	Correct	3 ms	2816 KB	Output is correct
113	Correct	128 ms	17528 KB	Output is correct

Subtask #4
0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	87 ms	9588 KB	Output is correct
2	Incorrect	89 ms	9644 KB	Output isn't correct
3	Halted	0 ms	0 KB	-

Subtask #5
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	67 ms	12944 KB	Output is correct
2	Correct	66 ms	12568 KB	Output is correct
3	Correct	47 ms	11008 KB	Output is correct
4	Correct	10 ms	4224 KB	Output is correct
5	Correct	8 ms	3584 KB	Output is correct
6	Correct	17 ms	4984 KB	Output is correct
7	Correct	2 ms	2688 KB	Output is correct
8	Correct	32 ms	6904 KB	Output is correct
9	Correct	48 ms	9208 KB	Output is correct
10	Correct	2 ms	2816 KB	Output is correct
11	Correct	65 ms	10232 KB	Output is correct
12	Correct	82 ms	11612 KB	Output is correct
13	Correct	3 ms	2816 KB	Output is correct
14	Correct	3 ms	2688 KB	Output is correct
15	Correct	3 ms	2816 KB	Output is correct
16	Correct	4 ms	2944 KB	Output is correct
17	Incorrect	3 ms	2688 KB	Output isn't correct
18	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	67 ms	12944 KB	Output is correct
2	Correct	66 ms	12568 KB	Output is correct
3	Correct	47 ms	11008 KB	Output is correct
4	Correct	10 ms	4224 KB	Output is correct
5	Correct	8 ms	3584 KB	Output is correct
6	Correct	17 ms	4984 KB	Output is correct
7	Correct	2 ms	2688 KB	Output is correct
8	Correct	32 ms	6904 KB	Output is correct
9	Correct	48 ms	9208 KB	Output is correct
10	Correct	2 ms	2816 KB	Output is correct
11	Correct	65 ms	10232 KB	Output is correct
12	Correct	82 ms	11612 KB	Output is correct
13	Correct	3 ms	2816 KB	Output is correct
14	Correct	2 ms	2688 KB	Output is correct
15	Correct	2 ms	2688 KB	Output is correct
16	Correct	2 ms	2688 KB	Output is correct
17	Correct	2 ms	2688 KB	Output is correct
18	Correct	2 ms	2688 KB	Output is correct
19	Correct	2 ms	2688 KB	Output is correct
20	Correct	2 ms	2688 KB	Output is correct
21	Correct	2 ms	2688 KB	Output is correct
22	Correct	2 ms	2720 KB	Output is correct
23	Correct	2 ms	2688 KB	Output is correct
24	Correct	2 ms	2688 KB	Output is correct
25	Correct	2 ms	2688 KB	Output is correct
26	Correct	2 ms	2688 KB	Output is correct
27	Correct	2 ms	2688 KB	Output is correct
28	Correct	2 ms	2688 KB	Output is correct
29	Correct	2 ms	2720 KB	Output is correct
30	Correct	2 ms	2688 KB	Output is correct
31	Correct	2 ms	2688 KB	Output is correct
32	Correct	2 ms	2688 KB	Output is correct
33	Correct	2 ms	2688 KB	Output is correct
34	Correct	2 ms	2688 KB	Output is correct
35	Correct	2 ms	2688 KB	Output is correct
36	Correct	2 ms	2688 KB	Output is correct
37	Correct	2 ms	2816 KB	Output is correct
38	Correct	2 ms	2688 KB	Output is correct
39	Correct	66 ms	12920 KB	Output is correct
40	Correct	65 ms	12564 KB	Output is correct
41	Correct	44 ms	11000 KB	Output is correct
42	Correct	13 ms	4256 KB	Output is correct
43	Correct	2 ms	2688 KB	Output is correct
44	Correct	2 ms	2688 KB	Output is correct
45	Correct	2 ms	2688 KB	Output is correct
46	Correct	2 ms	2688 KB	Output is correct
47	Correct	2 ms	2688 KB	Output is correct
48	Correct	2 ms	2688 KB	Output is correct
49	Correct	2 ms	2688 KB	Output is correct
50	Correct	3 ms	2688 KB	Output is correct
51	Correct	2 ms	2688 KB	Output is correct
52	Correct	2 ms	2688 KB	Output is correct
53	Correct	2 ms	2688 KB	Output is correct
54	Correct	2 ms	2688 KB	Output is correct
55	Correct	2 ms	2688 KB	Output is correct
56	Correct	2 ms	2688 KB	Output is correct
57	Correct	116 ms	10360 KB	Output is correct
58	Correct	121 ms	10360 KB	Output is correct
59	Correct	119 ms	10360 KB	Output is correct
60	Correct	112 ms	10292 KB	Output is correct
61	Correct	120 ms	10496 KB	Output is correct
62	Correct	119 ms	10360 KB	Output is correct
63	Correct	111 ms	10104 KB	Output is correct
64	Correct	120 ms	10104 KB	Output is correct
65	Correct	126 ms	10480 KB	Output is correct
66	Correct	117 ms	10488 KB	Output is correct
67	Correct	124 ms	10360 KB	Output is correct
68	Correct	113 ms	10360 KB	Output is correct
69	Correct	118 ms	10616 KB	Output is correct
70	Correct	120 ms	10616 KB	Output is correct
71	Correct	2 ms	2688 KB	Output is correct
72	Correct	4 ms	2944 KB	Output is correct
73	Correct	4 ms	2944 KB	Output is correct
74	Correct	4 ms	2944 KB	Output is correct
75	Correct	4 ms	2944 KB	Output is correct
76	Correct	4 ms	2944 KB	Output is correct
77	Correct	4 ms	2944 KB	Output is correct
78	Correct	4 ms	2944 KB	Output is correct
79	Correct	4 ms	2944 KB	Output is correct
80	Correct	117 ms	10236 KB	Output is correct
81	Correct	125 ms	10352 KB	Output is correct
82	Correct	114 ms	10488 KB	Output is correct
83	Correct	117 ms	10360 KB	Output is correct
84	Correct	4 ms	2816 KB	Output is correct
85	Correct	3 ms	2816 KB	Output is correct
86	Correct	4 ms	2816 KB	Output is correct
87	Correct	4 ms	2816 KB	Output is correct
88	Correct	4 ms	2944 KB	Output is correct
89	Correct	4 ms	2816 KB	Output is correct
90	Correct	4 ms	2816 KB	Output is correct
91	Correct	4 ms	2944 KB	Output is correct
92	Correct	4 ms	2944 KB	Output is correct
93	Correct	4 ms	2816 KB	Output is correct
94	Correct	2 ms	2688 KB	Output is correct
95	Correct	2 ms	2688 KB	Output is correct
96	Correct	2 ms	2816 KB	Output is correct
97	Correct	2 ms	2688 KB	Output is correct
98	Correct	2 ms	2688 KB	Output is correct
99	Correct	2 ms	2688 KB	Output is correct
100	Correct	2 ms	2688 KB	Output is correct
101	Correct	2 ms	2688 KB	Output is correct
102	Correct	2 ms	2688 KB	Output is correct
103	Correct	2 ms	2688 KB	Output is correct
104	Correct	8 ms	3584 KB	Output is correct
105	Correct	16 ms	4992 KB	Output is correct
106	Correct	2 ms	2688 KB	Output is correct
107	Correct	33 ms	7008 KB	Output is correct
108	Correct	44 ms	9212 KB	Output is correct
109	Correct	2 ms	2816 KB	Output is correct
110	Correct	74 ms	10232 KB	Output is correct
111	Correct	83 ms	11452 KB	Output is correct
112	Correct	3 ms	2816 KB	Output is correct
113	Correct	128 ms	17528 KB	Output is correct
114	Correct	87 ms	9588 KB	Output is correct
115	Incorrect	89 ms	9644 KB	Output isn't correct
116	Halted	0 ms	0 KB	-

답안 #315520

Compilation message

Subtask #1 14.0 / 14.0

Subtask #2 10.0 / 10.0

Subtask #3 23.0 / 23.0

Subtask #4 0 / 18.0

Subtask #5 0 / 12.0

Subtask #6 0 / 23.0

Subtask #1
14.0 / 14.0

Subtask #2
10.0 / 10.0

Subtask #3
23.0 / 23.0

Subtask #4
0 / 18.0

Subtask #5
0 / 12.0

Subtask #6
0 / 23.0