oj.uz

답안 #434890

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
434890 2021-06-22T05:12:51 Z kevinxiehk 꿈 (IOI13_dreaming) C++17
47 / 100
 104 ms 16992 KB 
#include "dreaming.h"
#include <bits/stdc++.h>
#define pb emplace_back
#define fi first
#define se second
#define mp make_pair
#define ll long long
using namespace std;

vector<pair<ll, ll>> conn[100005];
bool vi[100005];
bool vi2[100005];
ll par2[100005];
ll dk2[100005];
vector<ll> dia, hf;
ll md, mdx;
void dfs(ll now, ll di) {
    if(vi[now]) return;
    vi[now] = true;
    if(di > md) {
        md = di;
        mdx = now;
    }
    for(auto x: conn[now]) dfs(x.fi, di + x.se);
}
void dfs2(ll now, ll di) {
    if(vi2[now]) return;
    vi2[now] = true;
    if(di > md) {
        md = di;
        mdx = now;
    }
    for(auto x: conn[now]) {
        if(!vi2[x.fi]){
            par2[x.fi] = now;
            dk2[x.fi] = x.se;
            dfs2(x.fi, di + x.se);
        }
    }
}
void once(ll a) {
    md = 0, mdx = a;
    dfs(a, 0);
    //cerr << a << ' ' << md << '\n';
    md = 0;
    par2[mdx] = -1;
    dfs2(mdx, 0);
    dia.pb(md);
   // cerr << a << ' ' << md << '\n';
    ll an = md;
    ll tt = md;

    while(mdx != -1) {
        an = min(an, max(md, tt - md));
        md -= dk2[mdx];
        mdx = par2[mdx];
    }
    //cerr << a << ' ' << an << '\n';

    hf.pb(an);
}
int travelTime(int n, int m, int l, int a[], int b[], int t[]) {
    
    for(ll i = 0; i < m; i++) {
        conn[a[i]].pb(mp(b[i], t[i]));
        conn[b[i]].pb(mp(a[i], t[i]));
    }
    for(int i = 0; i < n; i++) {
        if(vi[i]) continue;
        else once(i);
    }

    sort(dia.begin(), dia.end()); reverse(dia.begin(), dia.end());
    sort(hf.begin(), hf.end()); reverse(hf.begin(), hf.end());
    if(dia.size() == 1) return dia[0];
    else return max(dia[0], hf[0] + hf[1] + l);
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 61 ms 15320 KB Output is correct
2 Correct 60 ms 15224 KB Output is correct
3 Correct 36 ms 10876 KB Output is correct
4 Correct 9 ms 4428 KB Output is correct
5 Correct 8 ms 3916 KB Output is correct
6 Correct 18 ms 5520 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 31 ms 7408 KB Output is correct
9 Correct 39 ms 9240 KB Output is correct
10 Correct 2 ms 2764 KB Output is correct
11 Correct 60 ms 11280 KB Output is correct
12 Correct 74 ms 13392 KB Output is correct
13 Correct 3 ms 2764 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2636 KB Output is correct
2 Correct 2 ms 2636 KB Output is correct
3 Correct 2 ms 2576 KB Output is correct
4 Correct 2 ms 2636 KB Output is correct
5 Correct 2 ms 2636 KB Output is correct
6 Correct 2 ms 2636 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 2 ms 2636 KB Output is correct
9 Correct 3 ms 2636 KB Output is correct
10 Correct 2 ms 2636 KB Output is correct
11 Correct 2 ms 2620 KB Output is correct
12 Correct 3 ms 2636 KB Output is correct
13 Correct 2 ms 2636 KB Output is correct
14 Correct 2 ms 2636 KB Output is correct
15 Correct 2 ms 2636 KB Output is correct
16 Correct 3 ms 2636 KB Output is correct
17 Correct 2 ms 2636 KB Output is correct
18 Correct 2 ms 2636 KB Output is correct
19 Correct 3 ms 2636 KB Output is correct
20 Correct 2 ms 2620 KB Output is correct
21 Correct 2 ms 2636 KB Output is correct
22 Correct 2 ms 2636 KB Output is correct
23 Correct 2 ms 2636 KB Output is correct
24 Correct 2 ms 2636 KB Output is correct
25 Correct 2 ms 2636 KB Output is correct

Subtask #3
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 61 ms 15320 KB Output is correct
2 Correct 60 ms 15224 KB Output is correct
3 Correct 36 ms 10876 KB Output is correct
4 Correct 9 ms 4428 KB Output is correct
5 Correct 8 ms 3916 KB Output is correct
6 Correct 18 ms 5520 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 31 ms 7408 KB Output is correct
9 Correct 39 ms 9240 KB Output is correct
10 Correct 2 ms 2764 KB Output is correct
11 Correct 60 ms 11280 KB Output is correct
12 Correct 74 ms 13392 KB Output is correct
13 Correct 3 ms 2764 KB Output is correct
14 Correct 2 ms 2636 KB Output is correct
15 Correct 2 ms 2636 KB Output is correct
16 Correct 2 ms 2576 KB Output is correct
17 Correct 2 ms 2636 KB Output is correct
18 Correct 2 ms 2636 KB Output is correct
19 Correct 2 ms 2636 KB Output is correct
20 Correct 2 ms 2636 KB Output is correct
21 Correct 2 ms 2636 KB Output is correct
22 Correct 3 ms 2636 KB Output is correct
23 Correct 2 ms 2636 KB Output is correct
24 Correct 2 ms 2620 KB Output is correct
25 Correct 3 ms 2636 KB Output is correct
26 Correct 2 ms 2636 KB Output is correct
27 Correct 2 ms 2636 KB Output is correct
28 Correct 2 ms 2636 KB Output is correct
29 Correct 3 ms 2636 KB Output is correct
30 Correct 2 ms 2636 KB Output is correct
31 Correct 2 ms 2636 KB Output is correct
32 Correct 3 ms 2636 KB Output is correct
33 Correct 2 ms 2620 KB Output is correct
34 Correct 2 ms 2636 KB Output is correct
35 Correct 2 ms 2636 KB Output is correct
36 Correct 2 ms 2636 KB Output is correct
37 Correct 2 ms 2636 KB Output is correct
38 Correct 2 ms 2636 KB Output is correct
39 Correct 57 ms 15252 KB Output is correct
40 Correct 65 ms 15300 KB Output is correct
41 Correct 38 ms 10948 KB Output is correct
42 Correct 9 ms 4428 KB Output is correct
43 Correct 2 ms 2636 KB Output is correct
44 Correct 2 ms 2680 KB Output is correct
45 Correct 2 ms 2636 KB Output is correct
46 Correct 2 ms 2636 KB Output is correct
47 Correct 2 ms 2636 KB Output is correct
48 Correct 2 ms 2636 KB Output is correct
49 Correct 2 ms 2636 KB Output is correct
50 Correct 2 ms 2636 KB Output is correct
51 Correct 2 ms 2636 KB Output is correct
52 Correct 2 ms 2636 KB Output is correct
53 Correct 2 ms 2636 KB Output is correct
54 Correct 2 ms 2636 KB Output is correct
55 Correct 2 ms 2636 KB Output is correct
56 Correct 2 ms 2636 KB Output is correct
57 Correct 83 ms 11456 KB Output is correct
58 Correct 99 ms 11408 KB Output is correct
59 Correct 104 ms 11076 KB Output is correct
60 Correct 88 ms 11164 KB Output is correct
61 Correct 76 ms 10948 KB Output is correct
62 Correct 81 ms 10948 KB Output is correct
63 Correct 73 ms 10616 KB Output is correct
64 Correct 75 ms 10648 KB Output is correct
65 Correct 103 ms 10692 KB Output is correct
66 Correct 71 ms 10692 KB Output is correct
67 Correct 82 ms 11140 KB Output is correct
68 Correct 94 ms 11148 KB Output is correct
69 Correct 86 ms 11152 KB Output is correct
70 Correct 91 ms 11076 KB Output is correct
71 Correct 2 ms 2636 KB Output is correct
72 Correct 5 ms 2892 KB Output is correct
73 Correct 3 ms 2892 KB Output is correct
74 Correct 4 ms 2892 KB Output is correct
75 Correct 4 ms 2892 KB Output is correct
76 Correct 4 ms 2892 KB Output is correct
77 Correct 3 ms 2892 KB Output is correct
78 Correct 4 ms 2892 KB Output is correct
79 Correct 3 ms 2892 KB Output is correct
80 Correct 81 ms 11272 KB Output is correct
81 Correct 82 ms 11076 KB Output is correct
82 Correct 75 ms 10900 KB Output is correct
83 Correct 75 ms 10992 KB Output is correct
84 Correct 3 ms 2764 KB Output is correct
85 Correct 3 ms 2764 KB Output is correct
86 Correct 3 ms 2764 KB Output is correct
87 Correct 4 ms 2796 KB Output is correct
88 Correct 4 ms 2892 KB Output is correct
89 Correct 4 ms 2820 KB Output is correct
90 Correct 3 ms 2764 KB Output is correct
91 Correct 3 ms 2892 KB Output is correct
92 Correct 3 ms 2892 KB Output is correct
93 Correct 3 ms 2764 KB Output is correct
94 Correct 2 ms 2636 KB Output is correct
95 Correct 2 ms 2636 KB Output is correct
96 Correct 2 ms 2636 KB Output is correct
97 Correct 2 ms 2636 KB Output is correct
98 Correct 2 ms 2636 KB Output is correct
99 Correct 2 ms 2636 KB Output is correct
100 Correct 2 ms 2636 KB Output is correct
101 Correct 2 ms 2636 KB Output is correct
102 Correct 2 ms 2636 KB Output is correct
103 Correct 2 ms 2636 KB Output is correct
104 Correct 7 ms 3788 KB Output is correct
105 Correct 16 ms 5480 KB Output is correct
106 Correct 2 ms 2636 KB Output is correct
107 Correct 29 ms 7476 KB Output is correct
108 Correct 38 ms 9152 KB Output is correct
109 Correct 2 ms 2636 KB Output is correct
110 Correct 57 ms 11296 KB Output is correct
111 Correct 74 ms 13436 KB Output is correct
112 Correct 2 ms 2764 KB Output is correct
113 Correct 98 ms 16992 KB Output is correct

Subtask #4
0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 29 ms 7736 KB Output is correct
2 Incorrect 30 ms 7736 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2636 KB Output is correct
2 Correct 2 ms 2636 KB Output is correct
3 Correct 2 ms 2576 KB Output is correct
4 Correct 2 ms 2636 KB Output is correct
5 Correct 2 ms 2636 KB Output is correct
6 Correct 2 ms 2636 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 2 ms 2636 KB Output is correct
9 Correct 3 ms 2636 KB Output is correct
10 Correct 2 ms 2636 KB Output is correct
11 Correct 2 ms 2620 KB Output is correct
12 Correct 3 ms 2636 KB Output is correct
13 Correct 2 ms 2636 KB Output is correct
14 Correct 2 ms 2636 KB Output is correct
15 Correct 2 ms 2636 KB Output is correct
16 Correct 3 ms 2636 KB Output is correct
17 Correct 2 ms 2636 KB Output is correct
18 Correct 2 ms 2636 KB Output is correct
19 Correct 3 ms 2636 KB Output is correct
20 Correct 2 ms 2620 KB Output is correct
21 Correct 2 ms 2636 KB Output is correct
22 Correct 2 ms 2636 KB Output is correct
23 Correct 2 ms 2636 KB Output is correct
24 Correct 2 ms 2636 KB Output is correct
25 Correct 2 ms 2636 KB Output is correct
26 Correct 3 ms 2636 KB Output is correct
27 Correct 3 ms 2764 KB Output is correct
28 Correct 3 ms 2904 KB Output is correct
29 Correct 2 ms 2636 KB Output is correct
30 Correct 3 ms 2764 KB Output is correct
31 Correct 3 ms 2808 KB Output is correct
32 Incorrect 2 ms 2636 KB Output isn't correct
33 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 61 ms 15320 KB Output is correct
2 Correct 60 ms 15224 KB Output is correct
3 Correct 36 ms 10876 KB Output is correct
4 Correct 9 ms 4428 KB Output is correct
5 Correct 8 ms 3916 KB Output is correct
6 Correct 18 ms 5520 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 31 ms 7408 KB Output is correct
9 Correct 39 ms 9240 KB Output is correct
10 Correct 2 ms 2764 KB Output is correct
11 Correct 60 ms 11280 KB Output is correct
12 Correct 74 ms 13392 KB Output is correct
13 Correct 3 ms 2764 KB Output is correct
14 Correct 2 ms 2636 KB Output is correct
15 Correct 2 ms 2636 KB Output is correct
16 Correct 2 ms 2576 KB Output is correct
17 Correct 2 ms 2636 KB Output is correct
18 Correct 2 ms 2636 KB Output is correct
19 Correct 2 ms 2636 KB Output is correct
20 Correct 2 ms 2636 KB Output is correct
21 Correct 2 ms 2636 KB Output is correct
22 Correct 3 ms 2636 KB Output is correct
23 Correct 2 ms 2636 KB Output is correct
24 Correct 2 ms 2620 KB Output is correct
25 Correct 3 ms 2636 KB Output is correct
26 Correct 2 ms 2636 KB Output is correct
27 Correct 2 ms 2636 KB Output is correct
28 Correct 2 ms 2636 KB Output is correct
29 Correct 3 ms 2636 KB Output is correct
30 Correct 2 ms 2636 KB Output is correct
31 Correct 2 ms 2636 KB Output is correct
32 Correct 3 ms 2636 KB Output is correct
33 Correct 2 ms 2620 KB Output is correct
34 Correct 2 ms 2636 KB Output is correct
35 Correct 2 ms 2636 KB Output is correct
36 Correct 2 ms 2636 KB Output is correct
37 Correct 2 ms 2636 KB Output is correct
38 Correct 2 ms 2636 KB Output is correct
39 Correct 57 ms 15252 KB Output is correct
40 Correct 65 ms 15300 KB Output is correct
41 Correct 38 ms 10948 KB Output is correct
42 Correct 9 ms 4428 KB Output is correct
43 Correct 2 ms 2636 KB Output is correct
44 Correct 2 ms 2680 KB Output is correct
45 Correct 2 ms 2636 KB Output is correct
46 Correct 2 ms 2636 KB Output is correct
47 Correct 2 ms 2636 KB Output is correct
48 Correct 2 ms 2636 KB Output is correct
49 Correct 2 ms 2636 KB Output is correct
50 Correct 2 ms 2636 KB Output is correct
51 Correct 2 ms 2636 KB Output is correct
52 Correct 2 ms 2636 KB Output is correct
53 Correct 2 ms 2636 KB Output is correct
54 Correct 2 ms 2636 KB Output is correct
55 Correct 2 ms 2636 KB Output is correct
56 Correct 2 ms 2636 KB Output is correct
57 Correct 83 ms 11456 KB Output is correct
58 Correct 99 ms 11408 KB Output is correct
59 Correct 104 ms 11076 KB Output is correct
60 Correct 88 ms 11164 KB Output is correct
61 Correct 76 ms 10948 KB Output is correct
62 Correct 81 ms 10948 KB Output is correct
63 Correct 73 ms 10616 KB Output is correct
64 Correct 75 ms 10648 KB Output is correct
65 Correct 103 ms 10692 KB Output is correct
66 Correct 71 ms 10692 KB Output is correct
67 Correct 82 ms 11140 KB Output is correct
68 Correct 94 ms 11148 KB Output is correct
69 Correct 86 ms 11152 KB Output is correct
70 Correct 91 ms 11076 KB Output is correct
71 Correct 2 ms 2636 KB Output is correct
72 Correct 5 ms 2892 KB Output is correct
73 Correct 3 ms 2892 KB Output is correct
74 Correct 4 ms 2892 KB Output is correct
75 Correct 4 ms 2892 KB Output is correct
76 Correct 4 ms 2892 KB Output is correct
77 Correct 3 ms 2892 KB Output is correct
78 Correct 4 ms 2892 KB Output is correct
79 Correct 3 ms 2892 KB Output is correct
80 Correct 81 ms 11272 KB Output is correct
81 Correct 82 ms 11076 KB Output is correct
82 Correct 75 ms 10900 KB Output is correct
83 Correct 75 ms 10992 KB Output is correct
84 Correct 3 ms 2764 KB Output is correct
85 Correct 3 ms 2764 KB Output is correct
86 Correct 3 ms 2764 KB Output is correct
87 Correct 4 ms 2796 KB Output is correct
88 Correct 4 ms 2892 KB Output is correct
89 Correct 4 ms 2820 KB Output is correct
90 Correct 3 ms 2764 KB Output is correct
91 Correct 3 ms 2892 KB Output is correct
92 Correct 3 ms 2892 KB Output is correct
93 Correct 3 ms 2764 KB Output is correct
94 Correct 2 ms 2636 KB Output is correct
95 Correct 2 ms 2636 KB Output is correct
96 Correct 2 ms 2636 KB Output is correct
97 Correct 2 ms 2636 KB Output is correct
98 Correct 2 ms 2636 KB Output is correct
99 Correct 2 ms 2636 KB Output is correct
100 Correct 2 ms 2636 KB Output is correct
101 Correct 2 ms 2636 KB Output is correct
102 Correct 2 ms 2636 KB Output is correct
103 Correct 2 ms 2636 KB Output is correct
104 Correct 7 ms 3788 KB Output is correct
105 Correct 16 ms 5480 KB Output is correct
106 Correct 2 ms 2636 KB Output is correct
107 Correct 29 ms 7476 KB Output is correct
108 Correct 38 ms 9152 KB Output is correct
109 Correct 2 ms 2636 KB Output is correct
110 Correct 57 ms 11296 KB Output is correct
111 Correct 74 ms 13436 KB Output is correct
112 Correct 2 ms 2764 KB Output is correct
113 Correct 98 ms 16992 KB Output is correct
114 Correct 29 ms 7736 KB Output is correct
115 Incorrect 30 ms 7736 KB Output isn't correct
116 Halted 0 ms 0 KB -