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답안 #969950

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
969950 2024-04-26T01:39:04 Z vjudge1 Evacuation plan (IZhO18_plan) C++17
100 / 100
 700 ms 59796 KB 
#include <bits/stdc++.h>
#define pi pair<int, int>
#define ti tuple<int, int, int>
using namespace std;

int n, m, dis[100010], rt[100010], ans[100010], u, v, w, q, cu, cv, cw, s, t;
vector<pi> g[100010];
vector<int> st, en;
set<int> pa[100010];
priority_queue<pi, vector<pi>, greater<pi>> pq;
priority_queue<ti> ed;

int fr(int no) {
    if(rt[no] == no) return no;
    else return rt[no] = fr(rt[no]);
}

int main() {
    cin.tie(0)->sync_with_stdio(0);
    cin >> n >> m;
    while(m--) {
        cin >> u >> v >> w;
        g[u].push_back({w, v});
        g[v].push_back({w, u});
        st.push_back(u);
        en.push_back(v);

    }
    fill(dis, dis+100010, 1e9);
    cin >> q;
    while(q--) {
        cin >> u;
        pq.push({0, u});
    }
    cin >> q;
    for(int i=1; i<=q; i++) {
        cin >> s >> t;
        pa[s].insert(i);
        pa[t].insert(i);
    }
    while(!pq.empty()) {
        cu = pq.top().second;
        cw = pq.top().first;
        pq.pop();
        if(dis[cu] <= cw) {
            continue;
        }
        dis[cu] = cw;
        for(auto i: g[cu]) {
            pq.push({i.first+cw, i.second});
        }
    }
    
    for(int i=0; i<st.size(); i++) {
        ed.push({min(dis[st[i]], dis[en[i]]), st[i], en[i]}); 
    }
    for(int i=0; i<=n; i++) {
        rt[i] = i;
    }
    while(!ed.empty()) {
        cw = get<0>(ed.top());
        cu = fr(get<1>(ed.top()));
        cv = fr(get<2>(ed.top()));
        ed.pop();
        if(rt[cu] == rt[cv]) continue;
        if(pa[cu].size() < pa[cv].size()) {
            swap(cu, cv);
        }
        for(auto i: pa[cv]) {
            if(pa[cu].count(i)) {
                ans[i] = cw;
                pa[cu].erase(i);
            } else {
                pa[cu].insert(i);
            }
        }
        rt[cv] = cu;
    }
    for(int i=1; i<=q; i++) {
        cout << ans[i] << "\n";
    }
    return 0;
}

Compilation message

plan.cpp: In function 'int main()':
plan.cpp:54:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |     for(int i=0; i<st.size(); i++) {
      |                  ~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 7768 KB Output is correct
2 Correct 3 ms 8028 KB Output is correct
3 Correct 4 ms 8028 KB Output is correct
4 Correct 2 ms 7772 KB Output is correct
5 Correct 4 ms 8028 KB Output is correct
6 Correct 4 ms 8024 KB Output is correct
7 Correct 2 ms 7772 KB Output is correct
8 Correct 2 ms 7772 KB Output is correct
9 Correct 3 ms 8024 KB Output is correct
10 Correct 3 ms 8028 KB Output is correct
11 Correct 3 ms 8104 KB Output is correct
12 Correct 3 ms 8028 KB Output is correct
13 Correct 3 ms 8028 KB Output is correct
14 Correct 3 ms 8028 KB Output is correct
15 Correct 3 ms 8028 KB Output is correct

Subtask #2
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 7768 KB Output is correct
2 Correct 3 ms 8028 KB Output is correct
3 Correct 4 ms 8028 KB Output is correct
4 Correct 2 ms 7772 KB Output is correct
5 Correct 4 ms 8028 KB Output is correct
6 Correct 4 ms 8024 KB Output is correct
7 Correct 2 ms 7772 KB Output is correct
8 Correct 2 ms 7772 KB Output is correct
9 Correct 3 ms 8024 KB Output is correct
10 Correct 3 ms 8028 KB Output is correct
11 Correct 3 ms 8104 KB Output is correct
12 Correct 3 ms 8028 KB Output is correct
13 Correct 3 ms 8028 KB Output is correct
14 Correct 3 ms 8028 KB Output is correct
15 Correct 3 ms 8028 KB Output is correct
16 Correct 185 ms 26420 KB Output is correct
17 Correct 620 ms 59040 KB Output is correct
18 Correct 38 ms 12136 KB Output is correct
19 Correct 180 ms 27972 KB Output is correct
20 Correct 683 ms 58816 KB Output is correct
21 Correct 323 ms 36568 KB Output is correct
22 Correct 97 ms 26184 KB Output is correct
23 Correct 668 ms 59124 KB Output is correct
24 Correct 615 ms 57792 KB Output is correct
25 Correct 636 ms 58400 KB Output is correct
26 Correct 175 ms 27472 KB Output is correct
27 Correct 168 ms 27472 KB Output is correct
28 Correct 200 ms 27292 KB Output is correct
29 Correct 164 ms 27412 KB Output is correct
30 Correct 175 ms 27552 KB Output is correct

Subtask #3
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 7772 KB Output is correct
2 Correct 2 ms 7912 KB Output is correct
3 Correct 2 ms 7772 KB Output is correct
4 Correct 2 ms 7772 KB Output is correct
5 Correct 2 ms 7768 KB Output is correct
6 Correct 2 ms 7768 KB Output is correct
7 Correct 2 ms 7772 KB Output is correct
8 Correct 3 ms 7772 KB Output is correct
9 Correct 2 ms 7772 KB Output is correct
10 Correct 2 ms 7772 KB Output is correct

Subtask #4
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 195 ms 23464 KB Output is correct
2 Correct 460 ms 48284 KB Output is correct
3 Correct 469 ms 48832 KB Output is correct
4 Correct 43 ms 14780 KB Output is correct
5 Correct 465 ms 48128 KB Output is correct
6 Correct 451 ms 49056 KB Output is correct
7 Correct 472 ms 48532 KB Output is correct
8 Correct 462 ms 48024 KB Output is correct
9 Correct 477 ms 48840 KB Output is correct
10 Correct 464 ms 48504 KB Output is correct
11 Correct 474 ms 49596 KB Output is correct
12 Correct 451 ms 49588 KB Output is correct
13 Correct 442 ms 49316 KB Output is correct
14 Correct 457 ms 48792 KB Output is correct
15 Correct 459 ms 48200 KB Output is correct
16 Correct 434 ms 49344 KB Output is correct
17 Correct 473 ms 48596 KB Output is correct
18 Correct 452 ms 47928 KB Output is correct
19 Correct 47 ms 14780 KB Output is correct
20 Correct 455 ms 49672 KB Output is correct
21 Correct 504 ms 49500 KB Output is correct
22 Correct 86 ms 16604 KB Output is correct
23 Correct 62 ms 15292 KB Output is correct
24 Correct 69 ms 16704 KB Output is correct
25 Correct 77 ms 16576 KB Output is correct
26 Correct 71 ms 15372 KB Output is correct
27 Correct 44 ms 14776 KB Output is correct
28 Correct 77 ms 16600 KB Output is correct
29 Correct 46 ms 14776 KB Output is correct
30 Correct 78 ms 16744 KB Output is correct
31 Correct 47 ms 14840 KB Output is correct

Subtask #5
46.0 / 46.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 7768 KB Output is correct
2 Correct 3 ms 8028 KB Output is correct
3 Correct 4 ms 8028 KB Output is correct
4 Correct 2 ms 7772 KB Output is correct
5 Correct 4 ms 8028 KB Output is correct
6 Correct 4 ms 8024 KB Output is correct
7 Correct 2 ms 7772 KB Output is correct
8 Correct 2 ms 7772 KB Output is correct
9 Correct 3 ms 8024 KB Output is correct
10 Correct 3 ms 8028 KB Output is correct
11 Correct 3 ms 8104 KB Output is correct
12 Correct 3 ms 8028 KB Output is correct
13 Correct 3 ms 8028 KB Output is correct
14 Correct 3 ms 8028 KB Output is correct
15 Correct 3 ms 8028 KB Output is correct
16 Correct 185 ms 26420 KB Output is correct
17 Correct 620 ms 59040 KB Output is correct
18 Correct 38 ms 12136 KB Output is correct
19 Correct 180 ms 27972 KB Output is correct
20 Correct 683 ms 58816 KB Output is correct
21 Correct 323 ms 36568 KB Output is correct
22 Correct 97 ms 26184 KB Output is correct
23 Correct 668 ms 59124 KB Output is correct
24 Correct 615 ms 57792 KB Output is correct
25 Correct 636 ms 58400 KB Output is correct
26 Correct 175 ms 27472 KB Output is correct
27 Correct 168 ms 27472 KB Output is correct
28 Correct 200 ms 27292 KB Output is correct
29 Correct 164 ms 27412 KB Output is correct
30 Correct 175 ms 27552 KB Output is correct
31 Correct 2 ms 7772 KB Output is correct
32 Correct 2 ms 7912 KB Output is correct
33 Correct 2 ms 7772 KB Output is correct
34 Correct 2 ms 7772 KB Output is correct
35 Correct 2 ms 7768 KB Output is correct
36 Correct 2 ms 7768 KB Output is correct
37 Correct 2 ms 7772 KB Output is correct
38 Correct 3 ms 7772 KB Output is correct
39 Correct 2 ms 7772 KB Output is correct
40 Correct 2 ms 7772 KB Output is correct
41 Correct 195 ms 23464 KB Output is correct
42 Correct 460 ms 48284 KB Output is correct
43 Correct 469 ms 48832 KB Output is correct
44 Correct 43 ms 14780 KB Output is correct
45 Correct 465 ms 48128 KB Output is correct
46 Correct 451 ms 49056 KB Output is correct
47 Correct 472 ms 48532 KB Output is correct
48 Correct 462 ms 48024 KB Output is correct
49 Correct 477 ms 48840 KB Output is correct
50 Correct 464 ms 48504 KB Output is correct
51 Correct 474 ms 49596 KB Output is correct
52 Correct 451 ms 49588 KB Output is correct
53 Correct 442 ms 49316 KB Output is correct
54 Correct 457 ms 48792 KB Output is correct
55 Correct 459 ms 48200 KB Output is correct
56 Correct 434 ms 49344 KB Output is correct
57 Correct 473 ms 48596 KB Output is correct
58 Correct 452 ms 47928 KB Output is correct
59 Correct 47 ms 14780 KB Output is correct
60 Correct 455 ms 49672 KB Output is correct
61 Correct 504 ms 49500 KB Output is correct
62 Correct 86 ms 16604 KB Output is correct
63 Correct 62 ms 15292 KB Output is correct
64 Correct 69 ms 16704 KB Output is correct
65 Correct 77 ms 16576 KB Output is correct
66 Correct 71 ms 15372 KB Output is correct
67 Correct 44 ms 14776 KB Output is correct
68 Correct 77 ms 16600 KB Output is correct
69 Correct 46 ms 14776 KB Output is correct
70 Correct 78 ms 16744 KB Output is correct
71 Correct 47 ms 14840 KB Output is correct
72 Correct 333 ms 37968 KB Output is correct
73 Correct 660 ms 58756 KB Output is correct
74 Correct 700 ms 59564 KB Output is correct
75 Correct 620 ms 58900 KB Output is correct
76 Correct 591 ms 57752 KB Output is correct
77 Correct 606 ms 59476 KB Output is correct
78 Correct 671 ms 58712 KB Output is correct
79 Correct 649 ms 59404 KB Output is correct
80 Correct 632 ms 59796 KB Output is correct
81 Correct 647 ms 58252 KB Output is correct
82 Correct 611 ms 57764 KB Output is correct
83 Correct 630 ms 59296 KB Output is correct
84 Correct 639 ms 58688 KB Output is correct
85 Correct 639 ms 58680 KB Output is correct
86 Correct 636 ms 54088 KB Output is correct
87 Correct 648 ms 54356 KB Output is correct
88 Correct 665 ms 52724 KB Output is correct
89 Correct 199 ms 26260 KB Output is correct
90 Correct 605 ms 52612 KB Output is correct
91 Correct 589 ms 53852 KB Output is correct
92 Correct 206 ms 27456 KB Output is correct
93 Correct 286 ms 52148 KB Output is correct
94 Correct 217 ms 27144 KB Output is correct
95 Correct 199 ms 27208 KB Output is correct
96 Correct 339 ms 56508 KB Output is correct
97 Correct 208 ms 28656 KB Output is correct
98 Correct 195 ms 27228 KB Output is correct
99 Correct 190 ms 28348 KB Output is correct
100 Correct 216 ms 27616 KB Output is correct