답안 #243220

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
243220	2020-06-30T14:57:43 Z	Nightlight	Cheap flights (LMIO18_pigus_skrydziai)	C++14	100 / 100	526 ms	32180 KB

pigus_skrydziai

#include <bits/stdc++.h>
#define pii pair<int, int>
#define piii tuple<int, int, int>
using namespace std;

int N, M;
vector<pii> adj[300005];
int deg[300005];
long long res[300005];
piii edge[300005];
int vis[300005];
long long ada[300005];
long long ans;

bool comp(int a, int b) {
  return deg[a] == deg[b] ? a > b : deg[a] > deg[b]; 
}

int main() {
  scanf("%d %d", &N, &M);
  int u, v, w;
  for(int i = 1; i <= M; i++) {
    scanf("%d %d %d", &u, &v, &w);
    deg[u]++, deg[v]++;
    ada[u] += w, ada[v] += w;
    edge[i] = make_tuple(u, v, w);
  }
  for(int i = 1; i <= M; i++) {
    tie(u, v, w) = edge[i];
    if(comp(u, v)) adj[u].emplace_back(v, w);
    else adj[v].emplace_back(u, w);
  }
  for(int u = 1; u <= N; u++) {
    ans = max(ans, ada[u]);
    for(pii v : adj[u]) {
      vis[v.first] = v.second;
    }
    for(pii v : adj[u]) {
      for(pii w : adj[v.first]) {
        if(vis[w.first]) {
          ans = max(ans, (long long) vis[v.first] + vis[w.first] + w.second);
        }
      }
    }
    for(pii v : adj[u]) {
      vis[v.first] = 0;
    }
  }
  printf("%lld\n", ans);
  cin >> N;
}

Compilation message

pigus_skrydziai.cpp: In function 'int main()':
pigus_skrydziai.cpp:20:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &N, &M);
   ~~~~~^~~~~~~~~~~~~~~~~
pigus_skrydziai.cpp:23:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d", &u, &v, &w);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	7424 KB	Output is correct
2	Correct	11 ms	7424 KB	Output is correct
3	Correct	10 ms	7424 KB	Output is correct
4	Correct	9 ms	7424 KB	Output is correct
5	Correct	12 ms	7424 KB	Output is correct
6	Correct	20 ms	8064 KB	Output is correct
7	Correct	10 ms	7424 KB	Output is correct
8	Correct	9 ms	7424 KB	Output is correct
9	Correct	9 ms	7424 KB	Output is correct
10	Correct	9 ms	7424 KB	Output is correct
11	Correct	10 ms	7424 KB	Output is correct
12	Correct	9 ms	7424 KB	Output is correct
13	Correct	9 ms	7424 KB	Output is correct
14	Correct	9 ms	7424 KB	Output is correct
15	Correct	9 ms	7424 KB	Output is correct
16	Correct	9 ms	7424 KB	Output is correct
17	Correct	9 ms	7328 KB	Output is correct
18	Correct	11 ms	7424 KB	Output is correct
19	Correct	10 ms	7424 KB	Output is correct
20	Correct	10 ms	7424 KB	Output is correct
21	Correct	11 ms	7432 KB	Output is correct

Subtask #2
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	7424 KB	Output is correct
2	Correct	11 ms	7424 KB	Output is correct
3	Correct	10 ms	7424 KB	Output is correct
4	Correct	9 ms	7424 KB	Output is correct
5	Correct	12 ms	7424 KB	Output is correct
6	Correct	20 ms	8064 KB	Output is correct
7	Correct	10 ms	7424 KB	Output is correct
8	Correct	9 ms	7424 KB	Output is correct
9	Correct	9 ms	7424 KB	Output is correct
10	Correct	9 ms	7424 KB	Output is correct
11	Correct	10 ms	7424 KB	Output is correct
12	Correct	9 ms	7424 KB	Output is correct
13	Correct	9 ms	7424 KB	Output is correct
14	Correct	9 ms	7424 KB	Output is correct
15	Correct	9 ms	7424 KB	Output is correct
16	Correct	9 ms	7424 KB	Output is correct
17	Correct	9 ms	7328 KB	Output is correct
18	Correct	11 ms	7424 KB	Output is correct
19	Correct	10 ms	7424 KB	Output is correct
20	Correct	10 ms	7424 KB	Output is correct
21	Correct	11 ms	7432 KB	Output is correct
22	Correct	318 ms	28112 KB	Output is correct
23	Correct	526 ms	27360 KB	Output is correct
24	Correct	18 ms	8192 KB	Output is correct
25	Correct	12 ms	7680 KB	Output is correct
26	Correct	12 ms	7680 KB	Output is correct
27	Correct	11 ms	7552 KB	Output is correct
28	Correct	121 ms	15352 KB	Output is correct
29	Correct	60 ms	10616 KB	Output is correct
30	Correct	101 ms	12408 KB	Output is correct
31	Correct	10 ms	7424 KB	Output is correct
32	Correct	11 ms	7424 KB	Output is correct
33	Correct	194 ms	26744 KB	Output is correct
34	Correct	158 ms	23508 KB	Output is correct

Subtask #3
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	104 ms	20728 KB	Output is correct
2	Correct	267 ms	27564 KB	Output is correct
3	Correct	59 ms	13944 KB	Output is correct
4	Correct	151 ms	21496 KB	Output is correct
5	Correct	219 ms	23672 KB	Output is correct
6	Correct	83 ms	11388 KB	Output is correct
7	Correct	113 ms	25336 KB	Output is correct
8	Correct	130 ms	26360 KB	Output is correct
9	Correct	13 ms	11904 KB	Output is correct
10	Correct	84 ms	11384 KB	Output is correct
11	Correct	105 ms	19948 KB	Output is correct
12	Correct	92 ms	14712 KB	Output is correct
13	Correct	9 ms	7424 KB	Output is correct
14	Correct	55 ms	10872 KB	Output is correct

Subtask #4
47.0 / 47.0

#	결과	실행 시간	메모리	Grader output
1	Correct	104 ms	20728 KB	Output is correct
2	Correct	267 ms	27564 KB	Output is correct
3	Correct	59 ms	13944 KB	Output is correct
4	Correct	151 ms	21496 KB	Output is correct
5	Correct	219 ms	23672 KB	Output is correct
6	Correct	83 ms	11388 KB	Output is correct
7	Correct	113 ms	25336 KB	Output is correct
8	Correct	130 ms	26360 KB	Output is correct
9	Correct	13 ms	11904 KB	Output is correct
10	Correct	84 ms	11384 KB	Output is correct
11	Correct	105 ms	19948 KB	Output is correct
12	Correct	92 ms	14712 KB	Output is correct
13	Correct	9 ms	7424 KB	Output is correct
14	Correct	55 ms	10872 KB	Output is correct
15	Correct	86 ms	15468 KB	Output is correct
16	Correct	92 ms	15484 KB	Output is correct
17	Correct	154 ms	17900 KB	Output is correct
18	Correct	174 ms	19032 KB	Output is correct
19	Correct	56 ms	12908 KB	Output is correct
20	Correct	146 ms	18680 KB	Output is correct
21	Correct	279 ms	32180 KB	Output is correct
22	Correct	154 ms	23672 KB	Output is correct
23	Correct	125 ms	21608 KB	Output is correct
24	Correct	63 ms	12776 KB	Output is correct
25	Correct	159 ms	20576 KB	Output is correct
26	Correct	118 ms	17176 KB	Output is correct
27	Correct	127 ms	17400 KB	Output is correct
28	Correct	11 ms	7424 KB	Output is correct
29	Correct	11 ms	7424 KB	Output is correct
30	Correct	10 ms	7424 KB	Output is correct
31	Correct	9 ms	7424 KB	Output is correct
32	Correct	12 ms	7424 KB	Output is correct
33	Correct	20 ms	8064 KB	Output is correct
34	Correct	10 ms	7424 KB	Output is correct
35	Correct	9 ms	7424 KB	Output is correct
36	Correct	9 ms	7424 KB	Output is correct
37	Correct	9 ms	7424 KB	Output is correct
38	Correct	10 ms	7424 KB	Output is correct
39	Correct	9 ms	7424 KB	Output is correct
40	Correct	9 ms	7424 KB	Output is correct
41	Correct	9 ms	7424 KB	Output is correct
42	Correct	9 ms	7424 KB	Output is correct
43	Correct	9 ms	7424 KB	Output is correct
44	Correct	9 ms	7328 KB	Output is correct
45	Correct	11 ms	7424 KB	Output is correct
46	Correct	10 ms	7424 KB	Output is correct
47	Correct	10 ms	7424 KB	Output is correct
48	Correct	11 ms	7432 KB	Output is correct
49	Correct	318 ms	28112 KB	Output is correct
50	Correct	526 ms	27360 KB	Output is correct
51	Correct	18 ms	8192 KB	Output is correct
52	Correct	12 ms	7680 KB	Output is correct
53	Correct	12 ms	7680 KB	Output is correct
54	Correct	11 ms	7552 KB	Output is correct
55	Correct	121 ms	15352 KB	Output is correct
56	Correct	60 ms	10616 KB	Output is correct
57	Correct	101 ms	12408 KB	Output is correct
58	Correct	10 ms	7424 KB	Output is correct
59	Correct	11 ms	7424 KB	Output is correct
60	Correct	194 ms	26744 KB	Output is correct
61	Correct	158 ms	23508 KB	Output is correct

답안 #243220

Compilation message

Subtask #1 12.0 / 12.0

Subtask #2 25.0 / 25.0

Subtask #3 16.0 / 16.0

Subtask #4 47.0 / 47.0

Subtask #1
12.0 / 12.0

Subtask #2
25.0 / 25.0

Subtask #3
16.0 / 16.0

Subtask #4
47.0 / 47.0