답안 #1040253

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1040253	2024-07-31T20:39:38 Z	DeathIsAwe	꿈 (IOI13_dreaming)	C++14	47 / 100	36 ms	15876 KB

dreaming

#include "dreaming.h"
#include <bits/stdc++.h>
using namespace std;
vector<vector<pair<int,int>>> graph;
vector<pair<int,int>> dum;
vector<int> radi, parent, stac, sum;
vector<bool> visited;


void recur(int a) {
    for (pair<int,int> i: graph[a]) {
        if (i.first != parent[a]) {
            recur(i.first);
            sum[a] = max(sum[a], sum[i.first] + i.second);
        }
    }
}


int travelTime(int n, int m, int l, int a[], int b[], int t[]) {
    int node, radius, prevsum, next, radiusprev, temp, temp2, diameter, maxdi;
    bool button;
    for (int i=0;i<n;i++) {
        visited.push_back(false);
        sum.push_back(0);
        graph.push_back(dum);
        parent.push_back(0);
    }
    for (int i=0;i<m;i++) {
        graph[a[i]].push_back(make_pair(b[i], t[i]));
        graph[b[i]].push_back(make_pair(a[i], t[i]));
    }



    for (int i=0;i<n;i++) {
        if (visited[i]) {
            continue;
        }
        if (graph[i].size() == 0) {
            visited[i] = true;
            radi.push_back(0);
            continue;
        }
        if (graph[i].size() != 1) {
            continue;
        }
        stac = {i}; parent[i] = -1;
        while (stac.size() > 0) {
            node = stac.back(); stac.pop_back();
            visited[node] = true;
            for (pair<int,int> j: graph[node]) {
                if (j.first != parent[node]) {
                    parent[j.first] = node;
                    stac.push_back(j.first);
                }
            }
        }
        
        
        
        recur(i);
        radius = sum[i]; prevsum = 0; radiusprev = INT_MAX; node = i; diameter = sum[i];
        while (radiusprev > radius) {
            for (pair<int,int> j: graph[node]) {
                if (j.first == parent[node]) {
                    continue;
                }
                if (sum[j.first] + j.second == sum[node]) {
                    next = j.first;
                    temp2 = j.second;
                }
            }
            temp = 0;
            button = false;
            for (pair<int,int> j: graph[next]) {
                if (j.first == parent[next]) {
                    continue;
                }
                if (!button && sum[j.first] + j.second == sum[next]) {
                    button = true;
                    continue;
                }
                temp = max(temp, sum[j.first] + j.second);
            }
            diameter = max(diameter, temp + sum[next]);
            prevsum = max(prevsum + temp2, temp);
            radiusprev = radius; radius = max(prevsum, sum[next]); node = next;
            //cout << radiusprev << ' ' << radius << ' ' << prevsum << '\n';
        }
        //cout << radiusprev << '\n' << '\n';
        radi.push_back(radiusprev);
        maxdi = max(maxdi, diameter);
    }
    //for (int i: radi) {
    //    cout << i << ' ';
    //}
    //cout << '\n';

    sort(radi.begin(), radi.end(), greater<int>());
    if (radi.size() == 1) {
        return maxdi;
    } else if (radi.size() == 2) {
        return max(radi[0] + radi[1] + l, maxdi);
    }
    return max(max(radi[0] + radi[1], radi[1] + radi[2] + l) + l, maxdi);
}

Compilation message

dreaming.cpp: In function 'int travelTime(int, int, int, int*, int*, int*)':
dreaming.cpp:21:73: warning: 'maxdi' may be used uninitialized in this function [-Wmaybe-uninitialized]
   21 |     int node, radius, prevsum, next, radiusprev, temp, temp2, diameter, maxdi;
      |                                                                         ^~~~~
dreaming.cpp:87:35: warning: 'temp2' may be used uninitialized in this function [-Wmaybe-uninitialized]
   87 |             prevsum = max(prevsum + temp2, temp);
      |                           ~~~~~~~~^~~~~~~
dreaming.cpp:76:45: warning: 'next' may be used uninitialized in this function [-Wmaybe-uninitialized]
   76 |             for (pair<int,int> j: graph[next]) {
      |                                             ^

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	27 ms	14336 KB	Output is correct
2	Correct	26 ms	14092 KB	Output is correct
3	Correct	18 ms	9384 KB	Output is correct
4	Correct	4 ms	2504 KB	Output is correct
5	Correct	3 ms	1688 KB	Output is correct
6	Correct	7 ms	3332 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	14 ms	5392 KB	Output is correct
9	Correct	18 ms	7304 KB	Output is correct
10	Correct	1 ms	604 KB	Output is correct
11	Correct	24 ms	9996 KB	Output is correct
12	Correct	28 ms	12004 KB	Output is correct
13	Correct	1 ms	504 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	메모리	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	440 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	348 KB	Output is correct
8	Correct	348 KB	Output is correct
9	Correct	348 KB	Output is correct
10	Correct	348 KB	Output is correct
11	Correct	348 KB	Output is correct
12	Correct	348 KB	Output is correct
13	Correct	348 KB	Output is correct
14	Correct	348 KB	Output is correct
15	Correct	348 KB	Output is correct
16	Correct	348 KB	Output is correct
17	Correct	348 KB	Output is correct
18	Correct	348 KB	Output is correct
19	Correct	348 KB	Output is correct
20	Correct	348 KB	Output is correct
21	Correct	444 KB	Output is correct
22	Correct	348 KB	Output is correct
23	Correct	348 KB	Output is correct
24	Correct	348 KB	Output is correct
25	Correct	348 KB	Output is correct

Subtask #3
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	27 ms	14336 KB	Output is correct
2	Correct	26 ms	14092 KB	Output is correct
3	Correct	18 ms	9384 KB	Output is correct
4	Correct	4 ms	2504 KB	Output is correct
5	Correct	3 ms	1688 KB	Output is correct
6	Correct	7 ms	3332 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	14 ms	5392 KB	Output is correct
9	Correct	18 ms	7304 KB	Output is correct
10	Correct	1 ms	604 KB	Output is correct
11	Correct	24 ms	9996 KB	Output is correct
12	Correct	28 ms	12004 KB	Output is correct
13	Correct	1 ms	504 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	440 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	444 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	29 ms	14160 KB	Output is correct
40	Correct	28 ms	14312 KB	Output is correct
41	Correct	19 ms	9464 KB	Output is correct
42	Correct	4 ms	2456 KB	Output is correct
43	Correct	0 ms	348 KB	Output is correct
44	Correct	0 ms	440 KB	Output is correct
45	Correct	0 ms	348 KB	Output is correct
46	Correct	0 ms	348 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Correct	0 ms	348 KB	Output is correct
49	Correct	0 ms	348 KB	Output is correct
50	Correct	0 ms	348 KB	Output is correct
51	Correct	0 ms	604 KB	Output is correct
52	Correct	0 ms	444 KB	Output is correct
53	Correct	0 ms	348 KB	Output is correct
54	Correct	0 ms	348 KB	Output is correct
55	Correct	0 ms	348 KB	Output is correct
56	Correct	0 ms	348 KB	Output is correct
57	Correct	29 ms	10048 KB	Output is correct
58	Correct	33 ms	10200 KB	Output is correct
59	Correct	31 ms	9996 KB	Output is correct
60	Correct	29 ms	10016 KB	Output is correct
61	Correct	30 ms	10096 KB	Output is correct
62	Correct	32 ms	10244 KB	Output is correct
63	Correct	30 ms	9796 KB	Output is correct
64	Correct	29 ms	9732 KB	Output is correct
65	Correct	29 ms	9996 KB	Output is correct
66	Correct	27 ms	10132 KB	Output is correct
67	Correct	30 ms	9992 KB	Output is correct
68	Correct	29 ms	10112 KB	Output is correct
69	Correct	35 ms	10244 KB	Output is correct
70	Correct	31 ms	10244 KB	Output is correct
71	Correct	0 ms	348 KB	Output is correct
72	Correct	1 ms	604 KB	Output is correct
73	Correct	1 ms	604 KB	Output is correct
74	Correct	1 ms	752 KB	Output is correct
75	Correct	1 ms	604 KB	Output is correct
76	Correct	1 ms	604 KB	Output is correct
77	Correct	1 ms	604 KB	Output is correct
78	Correct	1 ms	604 KB	Output is correct
79	Correct	1 ms	604 KB	Output is correct
80	Correct	30 ms	9980 KB	Output is correct
81	Correct	32 ms	10140 KB	Output is correct
82	Correct	28 ms	9988 KB	Output is correct
83	Correct	34 ms	10252 KB	Output is correct
84	Correct	1 ms	604 KB	Output is correct
85	Correct	1 ms	604 KB	Output is correct
86	Correct	1 ms	604 KB	Output is correct
87	Correct	1 ms	604 KB	Output is correct
88	Correct	1 ms	604 KB	Output is correct
89	Correct	1 ms	604 KB	Output is correct
90	Correct	1 ms	604 KB	Output is correct
91	Correct	1 ms	604 KB	Output is correct
92	Correct	1 ms	604 KB	Output is correct
93	Correct	1 ms	604 KB	Output is correct
94	Correct	0 ms	348 KB	Output is correct
95	Correct	0 ms	348 KB	Output is correct
96	Correct	0 ms	348 KB	Output is correct
97	Correct	0 ms	348 KB	Output is correct
98	Correct	0 ms	348 KB	Output is correct
99	Correct	0 ms	348 KB	Output is correct
100	Correct	0 ms	348 KB	Output is correct
101	Correct	0 ms	348 KB	Output is correct
102	Correct	0 ms	348 KB	Output is correct
103	Correct	0 ms	348 KB	Output is correct
104	Correct	3 ms	1688 KB	Output is correct
105	Correct	7 ms	3320 KB	Output is correct
106	Correct	0 ms	348 KB	Output is correct
107	Correct	21 ms	5392 KB	Output is correct
108	Correct	18 ms	7184 KB	Output is correct
109	Correct	1 ms	448 KB	Output is correct
110	Correct	24 ms	10016 KB	Output is correct
111	Correct	30 ms	12036 KB	Output is correct
112	Correct	1 ms	348 KB	Output is correct
113	Correct	36 ms	15876 KB	Output is correct

Subtask #4
0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	12 ms	6668 KB	Output is correct
2	Correct	12 ms	6808 KB	Output is correct
3	Correct	12 ms	6668 KB	Output is correct
4	Correct	18 ms	6700 KB	Output is correct
5	Correct	12 ms	6680 KB	Output is correct
6	Correct	13 ms	7180 KB	Output is correct
7	Correct	14 ms	7044 KB	Output is correct
8	Correct	12 ms	6704 KB	Output is correct
9	Correct	14 ms	6664 KB	Output is correct
10	Correct	12 ms	6924 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	4 ms	4624 KB	Output is correct
13	Correct	5 ms	4624 KB	Output is correct
14	Correct	4 ms	4620 KB	Output is correct
15	Correct	4 ms	4624 KB	Output is correct
16	Correct	4 ms	4624 KB	Output is correct
17	Correct	4 ms	4648 KB	Output is correct
18	Correct	5 ms	4624 KB	Output is correct
19	Correct	4 ms	4624 KB	Output is correct
20	Incorrect	0 ms	348 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #5
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	440 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	444 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	1 ms	344 KB	Output is correct
27	Correct	1 ms	604 KB	Output is correct
28	Correct	1 ms	604 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	1 ms	604 KB	Output is correct
31	Correct	1 ms	604 KB	Output is correct
32	Correct	0 ms	344 KB	Output is correct
33	Correct	1 ms	604 KB	Output is correct
34	Correct	1 ms	604 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct
41	Correct	0 ms	348 KB	Output is correct
42	Correct	0 ms	348 KB	Output is correct
43	Correct	0 ms	348 KB	Output is correct
44	Correct	0 ms	348 KB	Output is correct
45	Correct	0 ms	348 KB	Output is correct
46	Correct	0 ms	348 KB	Output is correct
47	Correct	1 ms	348 KB	Output is correct
48	Correct	0 ms	348 KB	Output is correct
49	Correct	0 ms	348 KB	Output is correct
50	Correct	0 ms	348 KB	Output is correct
51	Correct	0 ms	348 KB	Output is correct
52	Incorrect	0 ms	348 KB	Output isn't correct
53	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	27 ms	14336 KB	Output is correct
2	Correct	26 ms	14092 KB	Output is correct
3	Correct	18 ms	9384 KB	Output is correct
4	Correct	4 ms	2504 KB	Output is correct
5	Correct	3 ms	1688 KB	Output is correct
6	Correct	7 ms	3332 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	14 ms	5392 KB	Output is correct
9	Correct	18 ms	7304 KB	Output is correct
10	Correct	1 ms	604 KB	Output is correct
11	Correct	24 ms	9996 KB	Output is correct
12	Correct	28 ms	12004 KB	Output is correct
13	Correct	1 ms	504 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	440 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	444 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	29 ms	14160 KB	Output is correct
40	Correct	28 ms	14312 KB	Output is correct
41	Correct	19 ms	9464 KB	Output is correct
42	Correct	4 ms	2456 KB	Output is correct
43	Correct	0 ms	348 KB	Output is correct
44	Correct	0 ms	440 KB	Output is correct
45	Correct	0 ms	348 KB	Output is correct
46	Correct	0 ms	348 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Correct	0 ms	348 KB	Output is correct
49	Correct	0 ms	348 KB	Output is correct
50	Correct	0 ms	348 KB	Output is correct
51	Correct	0 ms	604 KB	Output is correct
52	Correct	0 ms	444 KB	Output is correct
53	Correct	0 ms	348 KB	Output is correct
54	Correct	0 ms	348 KB	Output is correct
55	Correct	0 ms	348 KB	Output is correct
56	Correct	0 ms	348 KB	Output is correct
57	Correct	29 ms	10048 KB	Output is correct
58	Correct	33 ms	10200 KB	Output is correct
59	Correct	31 ms	9996 KB	Output is correct
60	Correct	29 ms	10016 KB	Output is correct
61	Correct	30 ms	10096 KB	Output is correct
62	Correct	32 ms	10244 KB	Output is correct
63	Correct	30 ms	9796 KB	Output is correct
64	Correct	29 ms	9732 KB	Output is correct
65	Correct	29 ms	9996 KB	Output is correct
66	Correct	27 ms	10132 KB	Output is correct
67	Correct	30 ms	9992 KB	Output is correct
68	Correct	29 ms	10112 KB	Output is correct
69	Correct	35 ms	10244 KB	Output is correct
70	Correct	31 ms	10244 KB	Output is correct
71	Correct	0 ms	348 KB	Output is correct
72	Correct	1 ms	604 KB	Output is correct
73	Correct	1 ms	604 KB	Output is correct
74	Correct	1 ms	752 KB	Output is correct
75	Correct	1 ms	604 KB	Output is correct
76	Correct	1 ms	604 KB	Output is correct
77	Correct	1 ms	604 KB	Output is correct
78	Correct	1 ms	604 KB	Output is correct
79	Correct	1 ms	604 KB	Output is correct
80	Correct	30 ms	9980 KB	Output is correct
81	Correct	32 ms	10140 KB	Output is correct
82	Correct	28 ms	9988 KB	Output is correct
83	Correct	34 ms	10252 KB	Output is correct
84	Correct	1 ms	604 KB	Output is correct
85	Correct	1 ms	604 KB	Output is correct
86	Correct	1 ms	604 KB	Output is correct
87	Correct	1 ms	604 KB	Output is correct
88	Correct	1 ms	604 KB	Output is correct
89	Correct	1 ms	604 KB	Output is correct
90	Correct	1 ms	604 KB	Output is correct
91	Correct	1 ms	604 KB	Output is correct
92	Correct	1 ms	604 KB	Output is correct
93	Correct	1 ms	604 KB	Output is correct
94	Correct	0 ms	348 KB	Output is correct
95	Correct	0 ms	348 KB	Output is correct
96	Correct	0 ms	348 KB	Output is correct
97	Correct	0 ms	348 KB	Output is correct
98	Correct	0 ms	348 KB	Output is correct
99	Correct	0 ms	348 KB	Output is correct
100	Correct	0 ms	348 KB	Output is correct
101	Correct	0 ms	348 KB	Output is correct
102	Correct	0 ms	348 KB	Output is correct
103	Correct	0 ms	348 KB	Output is correct
104	Correct	3 ms	1688 KB	Output is correct
105	Correct	7 ms	3320 KB	Output is correct
106	Correct	0 ms	348 KB	Output is correct
107	Correct	21 ms	5392 KB	Output is correct
108	Correct	18 ms	7184 KB	Output is correct
109	Correct	1 ms	448 KB	Output is correct
110	Correct	24 ms	10016 KB	Output is correct
111	Correct	30 ms	12036 KB	Output is correct
112	Correct	1 ms	348 KB	Output is correct
113	Correct	36 ms	15876 KB	Output is correct
114	Correct	12 ms	6668 KB	Output is correct
115	Correct	12 ms	6808 KB	Output is correct
116	Correct	12 ms	6668 KB	Output is correct
117	Correct	18 ms	6700 KB	Output is correct
118	Correct	12 ms	6680 KB	Output is correct
119	Correct	13 ms	7180 KB	Output is correct
120	Correct	14 ms	7044 KB	Output is correct
121	Correct	12 ms	6704 KB	Output is correct
122	Correct	14 ms	6664 KB	Output is correct
123	Correct	12 ms	6924 KB	Output is correct
124	Correct	0 ms	348 KB	Output is correct
125	Correct	4 ms	4624 KB	Output is correct
126	Correct	5 ms	4624 KB	Output is correct
127	Correct	4 ms	4620 KB	Output is correct
128	Correct	4 ms	4624 KB	Output is correct
129	Correct	4 ms	4624 KB	Output is correct
130	Correct	4 ms	4648 KB	Output is correct
131	Correct	5 ms	4624 KB	Output is correct
132	Correct	4 ms	4624 KB	Output is correct
133	Incorrect	0 ms	348 KB	Output isn't correct
134	Halted	0 ms	0 KB	-

답안 #1040253

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