답안 #940035

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
940035	2024-03-07T04:25:45 Z	browntoad	Airplane (NOI23_airplane)	C++14	100 / 100	376 ms	40028 KB

Main

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define int ll
#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define REP(i, n) FOR(i, 0, n)
#define REP1(i, n) FOR(i, 1, n+1)
#define RREP(i, n) for (int i = (n)-1; i >= 0; i--)
#define RREP1(i, n) for(int i = (n); i >= 1; i--)
#define pii pair<int, int>
#define ppp pair<pii, pii>
#define ppi pair<pii, int>
#define pip pair<int, pii>
#define f first
#define s second
#define pb push_back
#define ALL(x) (x).begin(), (x).end()
#define SZ(x) (int)((x).size())
#define endl '\n'
#define IOS() ios::sync_with_stdio(false), cin.tie(0), cout.tie(0)


const ll maxn = 2e5+5;
const ll maxm = 1e4+5;
const ll mod = 1e9+7;
const ll inf = 1ll<<60;

vector<int> g[maxn];
vector<int> h(maxn);

int n, m;

int dis[maxn][2];

vector<bool> occ(maxn);
void dij(int st, bool typ){
    // source st, typ = 0: it is n
    fill(ALL(occ), 0);
    REP1(i, n) dis[i][typ] = inf;
    priority_queue<pii, vector<pii>, greater<pii> > pq;

    dis[st][typ] = 0;
    pq.push({0, st});
    while(SZ(pq)){
        pii tp = pq.top(); pq.pop();
        int u = tp.s;
        if (occ[u]) continue;
        occ[u] = 1;
        for(auto v:g[u]){
            if (dis[v][typ] > max(h[v], dis[u][typ]+1)){
                dis[v][typ] = max(h[v], dis[u][typ]+1);
                pq.push({dis[v][typ], v});
            }
        }
    }
}
signed main(){
    IOS();
    cin>>n>>m;
    REP1(i, n) cin>>h[i];
    vector<pii> ee;
    REP(i, m){
        int u, v; cin>>u>>v;
        g[u].pb(v);
        g[v].pb(u);
        ee.pb({u, v});
    }

    dij(1, 0); dij(n, 1);
    int ans = inf;
    REP1(i, n){
        ans = min(ans, max(dis[i][0], dis[i][1])*2);
    }
    for (auto e:ee){
        int u = e.f, v = e.s;
        ans = min({ans, max(dis[u][0], dis[v][1])*2+1, max(dis[v][0], dis[u][1])*2+1});
    }
    cout<<ans<<endl;
}

Subtask #1
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	7512 KB	Output is correct
2	Correct	63 ms	22288 KB	Output is correct
3	Correct	63 ms	22720 KB	Output is correct
4	Correct	63 ms	23484 KB	Output is correct
5	Correct	64 ms	24124 KB	Output is correct
6	Correct	65 ms	23624 KB	Output is correct
7	Correct	67 ms	23492 KB	Output is correct
8	Correct	3 ms	7516 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	7528 KB	Output is correct
2	Correct	3 ms	7516 KB	Output is correct
3	Correct	3 ms	7512 KB	Output is correct
4	Correct	3 ms	7512 KB	Output is correct
5	Correct	3 ms	7512 KB	Output is correct
6	Correct	3 ms	7768 KB	Output is correct
7	Correct	3 ms	7772 KB	Output is correct
8	Correct	3 ms	7772 KB	Output is correct
9	Correct	3 ms	7772 KB	Output is correct
10	Correct	3 ms	7772 KB	Output is correct
11	Correct	4 ms	7768 KB	Output is correct
12	Correct	4 ms	7772 KB	Output is correct
13	Correct	3 ms	7772 KB	Output is correct
14	Correct	4 ms	7772 KB	Output is correct
15	Correct	4 ms	7768 KB	Output is correct
16	Correct	4 ms	7964 KB	Output is correct
17	Correct	4 ms	7772 KB	Output is correct
18	Correct	3 ms	7516 KB	Output is correct

Subtask #3
31.0 / 31.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	7528 KB	Output is correct
2	Correct	3 ms	7516 KB	Output is correct
3	Correct	3 ms	7512 KB	Output is correct
4	Correct	3 ms	7512 KB	Output is correct
5	Correct	3 ms	7512 KB	Output is correct
6	Correct	3 ms	7768 KB	Output is correct
7	Correct	3 ms	7772 KB	Output is correct
8	Correct	3 ms	7772 KB	Output is correct
9	Correct	3 ms	7772 KB	Output is correct
10	Correct	3 ms	7772 KB	Output is correct
11	Correct	4 ms	7768 KB	Output is correct
12	Correct	4 ms	7772 KB	Output is correct
13	Correct	3 ms	7772 KB	Output is correct
14	Correct	4 ms	7772 KB	Output is correct
15	Correct	4 ms	7768 KB	Output is correct
16	Correct	4 ms	7964 KB	Output is correct
17	Correct	4 ms	7772 KB	Output is correct
18	Correct	3 ms	7516 KB	Output is correct
19	Correct	4 ms	7768 KB	Output is correct
20	Correct	3 ms	7772 KB	Output is correct
21	Correct	4 ms	7772 KB	Output is correct
22	Correct	4 ms	7772 KB	Output is correct
23	Correct	4 ms	7772 KB	Output is correct
24	Correct	4 ms	7776 KB	Output is correct
25	Correct	4 ms	7768 KB	Output is correct
26	Correct	4 ms	7768 KB	Output is correct
27	Correct	4 ms	7772 KB	Output is correct
28	Correct	4 ms	7772 KB	Output is correct
29	Correct	3 ms	7772 KB	Output is correct
30	Correct	4 ms	7772 KB	Output is correct

Subtask #4
37.0 / 37.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	7512 KB	Output is correct
2	Correct	63 ms	22288 KB	Output is correct
3	Correct	63 ms	22720 KB	Output is correct
4	Correct	63 ms	23484 KB	Output is correct
5	Correct	64 ms	24124 KB	Output is correct
6	Correct	65 ms	23624 KB	Output is correct
7	Correct	67 ms	23492 KB	Output is correct
8	Correct	3 ms	7516 KB	Output is correct
9	Correct	3 ms	7528 KB	Output is correct
10	Correct	3 ms	7516 KB	Output is correct
11	Correct	3 ms	7512 KB	Output is correct
12	Correct	3 ms	7512 KB	Output is correct
13	Correct	3 ms	7512 KB	Output is correct
14	Correct	3 ms	7768 KB	Output is correct
15	Correct	3 ms	7772 KB	Output is correct
16	Correct	3 ms	7772 KB	Output is correct
17	Correct	3 ms	7772 KB	Output is correct
18	Correct	3 ms	7772 KB	Output is correct
19	Correct	4 ms	7768 KB	Output is correct
20	Correct	4 ms	7772 KB	Output is correct
21	Correct	3 ms	7772 KB	Output is correct
22	Correct	4 ms	7772 KB	Output is correct
23	Correct	4 ms	7768 KB	Output is correct
24	Correct	4 ms	7964 KB	Output is correct
25	Correct	4 ms	7772 KB	Output is correct
26	Correct	3 ms	7516 KB	Output is correct
27	Correct	4 ms	7768 KB	Output is correct
28	Correct	3 ms	7772 KB	Output is correct
29	Correct	4 ms	7772 KB	Output is correct
30	Correct	4 ms	7772 KB	Output is correct
31	Correct	4 ms	7772 KB	Output is correct
32	Correct	4 ms	7776 KB	Output is correct
33	Correct	4 ms	7768 KB	Output is correct
34	Correct	4 ms	7768 KB	Output is correct
35	Correct	4 ms	7772 KB	Output is correct
36	Correct	4 ms	7772 KB	Output is correct
37	Correct	3 ms	7772 KB	Output is correct
38	Correct	4 ms	7772 KB	Output is correct
39	Correct	165 ms	24512 KB	Output is correct
40	Correct	108 ms	23740 KB	Output is correct
41	Correct	118 ms	24000 KB	Output is correct
42	Correct	120 ms	24000 KB	Output is correct
43	Correct	101 ms	23740 KB	Output is correct
44	Correct	104 ms	23996 KB	Output is correct
45	Correct	115 ms	23740 KB	Output is correct
46	Correct	128 ms	24756 KB	Output is correct
47	Correct	109 ms	23996 KB	Output is correct
48	Correct	113 ms	24364 KB	Output is correct
49	Correct	205 ms	24512 KB	Output is correct
50	Correct	186 ms	25020 KB	Output is correct
51	Correct	136 ms	25008 KB	Output is correct
52	Correct	219 ms	33200 KB	Output is correct
53	Correct	194 ms	31156 KB	Output is correct
54	Correct	215 ms	32016 KB	Output is correct
55	Correct	236 ms	32580 KB	Output is correct
56	Correct	269 ms	37552 KB	Output is correct
57	Correct	281 ms	39536 KB	Output is correct
58	Correct	376 ms	40028 KB	Output is correct
59	Correct	311 ms	39936 KB	Output is correct
60	Correct	275 ms	38908 KB	Output is correct
61	Correct	290 ms	38320 KB	Output is correct
62	Correct	241 ms	38948 KB	Output is correct
63	Correct	250 ms	39792 KB	Output is correct
64	Correct	254 ms	37860 KB	Output is correct
65	Correct	287 ms	38172 KB	Output is correct
66	Correct	274 ms	39116 KB	Output is correct
67	Correct	320 ms	39256 KB	Output is correct

답안 #940035

Compilation message

Subtask #1 22.0 / 22.0

Subtask #2 10.0 / 10.0

Subtask #3 31.0 / 31.0

Subtask #4 37.0 / 37.0

Subtask #1
22.0 / 22.0

Subtask #2
10.0 / 10.0

Subtask #3
31.0 / 31.0

Subtask #4
37.0 / 37.0