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답안 #414896

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
414896 2021-05-31T10:22:49 Z snasibov05 꿈 (IOI13_dreaming) C++14
40 / 100
 1000 ms 9664 KB 
#include "dreaming.h"
#include <vector>
#include <algorithm>

using namespace std;

#define pb push_back
#define pii pair<int, int>
#define oo 1000000000

vector<vector<pii>> ed;
vector<bool> visited;
vector<int> best;
vector<int> mx;
vector<int> cur;

void dfs(int v){
    cur.pb(v);
    visited[v] = true;
    for (auto [x, t] : ed[v]){
        if (!visited[x]) dfs(x);
    }
}

int mxdist(int v, int pr){
    int res = 0;
    for (auto [x, t] : ed[v]){
        if (x != pr){
            res = max(res, mxdist(x, v) + t);
        }
    }

    return res;
}

void findmn(int v){

    cur.clear();
    dfs(v);
    int Min = oo, Max = 0;
    for (auto x : cur){
        int k = mxdist(x, -1);
        Min = min(Min, k);
        Max = max(Max, k);
    }
    best.pb(Min);
    mx.pb(Max);

}

int travelTime(int n, int m, int l, int a[], int b[], int t[]) {

    ed.resize(n);
    visited.resize(n);

    for (int i = 0; i < m; ++i) {
        ed[a[i]].pb({b[i], t[i]});
        ed[b[i]].pb({a[i], t[i]});
    }

    for (int i = 0; i < n; ++i) {
        if (!visited[i]) findmn(i);
    }

    sort(best.rbegin(), best.rend());
    sort(mx.rbegin(), mx.rend());

    if (mx.size() == 1) return mx[0];
    if (mx.size() == 2) return max(best[0] + best[1] + l, mx[0]);

    return max(max(best[0]+best[1]+l, best[1]+best[2]+2*l), mx[0]);

}

Compilation message

dreaming.cpp: In function 'void dfs(int)':
dreaming.cpp:20:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   20 |     for (auto [x, t] : ed[v]){
      |               ^
dreaming.cpp: In function 'int mxdist(int, int)':
dreaming.cpp:27:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   27 |     for (auto [x, t] : ed[v]){
      |               ^

Subtask #1
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1060 ms 9664 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 300 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 284 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 284 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 288 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 268 KB Output is correct
25 Correct 1 ms 204 KB Output is correct

Subtask #3
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1060 ms 9664 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 5852 KB Output is correct
2 Correct 26 ms 5928 KB Output is correct
3 Correct 37 ms 5820 KB Output is correct
4 Correct 28 ms 5952 KB Output is correct
5 Correct 33 ms 5824 KB Output is correct
6 Correct 33 ms 6444 KB Output is correct
7 Correct 25 ms 6216 KB Output is correct
8 Correct 24 ms 5776 KB Output is correct
9 Correct 23 ms 5788 KB Output is correct
10 Correct 25 ms 6048 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 8 ms 3624 KB Output is correct
13 Correct 8 ms 3700 KB Output is correct
14 Correct 8 ms 3608 KB Output is correct
15 Correct 8 ms 3616 KB Output is correct
16 Correct 8 ms 3580 KB Output is correct
17 Correct 9 ms 3532 KB Output is correct
18 Correct 10 ms 3656 KB Output is correct
19 Correct 8 ms 3576 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 208 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 8 ms 3576 KB Output is correct

Subtask #5
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 300 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 284 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 284 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 288 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 268 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 2 ms 464 KB Output is correct
28 Correct 3 ms 460 KB Output is correct
29 Correct 1 ms 336 KB Output is correct
30 Correct 3 ms 460 KB Output is correct
31 Correct 5 ms 464 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 2 ms 464 KB Output is correct
34 Correct 4 ms 460 KB Output is correct
35 Correct 1 ms 288 KB Output is correct
36 Correct 1 ms 204 KB Output is correct
37 Correct 1 ms 204 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Correct 1 ms 288 KB Output is correct
41 Correct 1 ms 204 KB Output is correct
42 Correct 1 ms 204 KB Output is correct
43 Correct 1 ms 204 KB Output is correct
44 Correct 1 ms 204 KB Output is correct
45 Correct 1 ms 204 KB Output is correct
46 Correct 1 ms 204 KB Output is correct
47 Correct 1 ms 204 KB Output is correct
48 Correct 1 ms 204 KB Output is correct
49 Correct 1 ms 208 KB Output is correct
50 Correct 1 ms 204 KB Output is correct
51 Correct 1 ms 208 KB Output is correct
52 Correct 1 ms 204 KB Output is correct
53 Correct 1 ms 204 KB Output is correct
54 Correct 173 ms 632 KB Output is correct
55 Correct 173 ms 668 KB Output is correct
56 Correct 3 ms 460 KB Output is correct
57 Correct 1 ms 460 KB Output is correct
58 Correct 71 ms 556 KB Output is correct
59 Correct 110 ms 460 KB Output is correct
60 Correct 2 ms 460 KB Output is correct
61 Correct 2 ms 460 KB Output is correct
62 Correct 54 ms 552 KB Output is correct
63 Correct 99 ms 560 KB Output is correct
64 Correct 1 ms 332 KB Output is correct
65 Correct 3 ms 460 KB Output is correct
66 Correct 127 ms 460 KB Output is correct
67 Correct 60 ms 460 KB Output is correct
68 Correct 2 ms 460 KB Output is correct
69 Correct 2 ms 460 KB Output is correct
70 Correct 1 ms 460 KB Output is correct
71 Correct 2 ms 460 KB Output is correct
72 Correct 94 ms 564 KB Output is correct
73 Correct 100 ms 556 KB Output is correct
74 Correct 3 ms 556 KB Output is correct
75 Correct 4 ms 464 KB Output is correct
76 Correct 70 ms 552 KB Output is correct
77 Correct 97 ms 588 KB Output is correct
78 Correct 2 ms 424 KB Output is correct
79 Correct 2 ms 428 KB Output is correct
80 Correct 3 ms 332 KB Output is correct
81 Correct 1 ms 332 KB Output is correct
82 Correct 3 ms 460 KB Output is correct
83 Correct 3 ms 432 KB Output is correct
84 Correct 10 ms 440 KB Output is correct
85 Correct 1 ms 416 KB Output is correct
86 Correct 36 ms 464 KB Output is correct
87 Correct 92 ms 560 KB Output is correct
88 Correct 2 ms 460 KB Output is correct
89 Correct 2 ms 460 KB Output is correct
90 Correct 2 ms 460 KB Output is correct
91 Correct 1 ms 460 KB Output is correct
92 Correct 33 ms 460 KB Output is correct
93 Correct 30 ms 408 KB Output is correct
94 Correct 33 ms 496 KB Output is correct
95 Correct 48 ms 504 KB Output is correct
96 Correct 40 ms 460 KB Output is correct
97 Correct 40 ms 524 KB Output is correct
98 Correct 48 ms 532 KB Output is correct
99 Correct 94 ms 560 KB Output is correct
100 Correct 60 ms 520 KB Output is correct
101 Correct 57 ms 460 KB Output is correct
102 Correct 1 ms 204 KB Output is correct
103 Correct 1 ms 204 KB Output is correct
104 Correct 1 ms 204 KB Output is correct
105 Correct 1 ms 204 KB Output is correct
106 Correct 1 ms 204 KB Output is correct
107 Correct 1 ms 204 KB Output is correct
108 Correct 1 ms 204 KB Output is correct
109 Correct 1 ms 204 KB Output is correct
110 Correct 1 ms 204 KB Output is correct
111 Correct 1 ms 204 KB Output is correct
112 Correct 2 ms 204 KB Output is correct
113 Correct 7 ms 332 KB Output is correct
114 Correct 11 ms 332 KB Output is correct

Subtask #6
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1060 ms 9664 KB Time limit exceeded
2 Halted 0 ms 0 KB -