oj.uz

Submission #315520

# Submission time Handle Problem Language Result Execution time Memory
315520 2020-10-23T02:59:23 Z tasfiq4 Dreaming (IOI13_dreaming) C++14
47 / 100
 128 ms 17528 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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 -