oj.uz

Submission #599501

# Submission time Handle Problem Language Result Execution time Memory
599501 2022-07-19T14:41:24 Z SlavicG Stranded Far From Home (BOI22_island) C++17
100 / 100
 456 ms 60664 KB 
#include "bits/stdc++.h"
using namespace std;
using ll = long long;

const int N = 2e5 + 10;
ll cnt[N], p[N], c[N];
set<ll> s[N];
vector<ll> adj[N], g[N];
ll get(ll a) {return p[a] = (p[a] == a ? a : get(p[a]));}
ll val[N];
void uni(ll a, ll b, ll vb) {
    a = get(a), b = get(b);
    if(a == b) return;
    if(cnt[a] < vb) {
        val[a] = 0;
    }
    p[a] = b;
    cnt[b] += cnt[a];
    g[b].push_back(a);
}
int ans[N];
void dfs(int u, int cur) {
    cur &= val[u];
    ans[u] = cur;
    for(int v: g[u]) {
        dfs(v, cur);
    }
}
int main() {
    int n, m; cin >> n >> m;
    vector<pair<ll, ll>> paiu;
    for(int i = 0; i < n; ++i) {
        cin >> c[i];
        paiu.push_back({c[i], i});
    }
    for(int i = 0; i < n; ++i) {
        val[i] = 1;
        p[i] = i;
        cnt[i] = c[i];
        s[i].insert(i);
    }
    sort(paiu.begin(), paiu.end());
    vector<bool> vis(n, false);
    for(int i = 0; i < m; ++i) {
        int u, v; cin >> u >> v; --u, --v;
        adj[u].push_back(v);
        adj[v].push_back(u);
    }

    for(int i = 0; i < n; ++i) {
        ll u = paiu[i].second;
        for(int v: adj[u]) {
            if(!vis[v]) continue;
            uni(v, u, c[u]);
        }
        vis[u] = true;
    }
    dfs(paiu[n - 1].second, 1);
    for(int i = 0; i < n; ++i) cout << ans[i];
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 19028 KB Output is correct
2 Correct 13 ms 19028 KB Output is correct
3 Correct 10 ms 19028 KB Output is correct
4 Correct 13 ms 19284 KB Output is correct
5 Correct 12 ms 19408 KB Output is correct
6 Correct 12 ms 19292 KB Output is correct
7 Correct 13 ms 19348 KB Output is correct
8 Correct 12 ms 19284 KB Output is correct
9 Correct 12 ms 19412 KB Output is correct
10 Correct 13 ms 19412 KB Output is correct
11 Correct 13 ms 19424 KB Output is correct
12 Correct 13 ms 19412 KB Output is correct
13 Correct 12 ms 19488 KB Output is correct
14 Correct 15 ms 19344 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 19028 KB Output is correct
2 Correct 16 ms 19076 KB Output is correct
3 Correct 319 ms 52144 KB Output is correct
4 Correct 296 ms 56236 KB Output is correct
5 Correct 335 ms 50852 KB Output is correct
6 Correct 456 ms 52120 KB Output is correct
7 Correct 372 ms 52996 KB Output is correct
8 Correct 363 ms 59500 KB Output is correct
9 Correct 301 ms 52276 KB Output is correct
10 Correct 271 ms 53404 KB Output is correct
11 Correct 284 ms 60272 KB Output is correct
12 Correct 311 ms 54224 KB Output is correct
13 Correct 256 ms 57132 KB Output is correct
14 Correct 252 ms 57896 KB Output is correct
15 Correct 295 ms 59444 KB Output is correct
16 Correct 222 ms 58188 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 19028 KB Output is correct
2 Correct 371 ms 49048 KB Output is correct
3 Correct 360 ms 49200 KB Output is correct
4 Correct 320 ms 55904 KB Output is correct
5 Correct 276 ms 57132 KB Output is correct
6 Correct 363 ms 52536 KB Output is correct
7 Correct 323 ms 59244 KB Output is correct
8 Correct 354 ms 59164 KB Output is correct
9 Correct 240 ms 58036 KB Output is correct
10 Correct 293 ms 52200 KB Output is correct
11 Correct 268 ms 53040 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 19028 KB Output is correct
2 Correct 374 ms 50388 KB Output is correct
3 Correct 373 ms 53384 KB Output is correct
4 Correct 366 ms 51660 KB Output is correct
5 Correct 367 ms 54696 KB Output is correct
6 Correct 337 ms 52528 KB Output is correct
7 Correct 267 ms 55012 KB Output is correct
8 Correct 240 ms 60664 KB Output is correct
9 Correct 207 ms 39048 KB Output is correct
10 Correct 318 ms 51732 KB Output is correct
11 Correct 286 ms 51600 KB Output is correct

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 19028 KB Output is correct
2 Correct 13 ms 19028 KB Output is correct
3 Correct 10 ms 19028 KB Output is correct
4 Correct 13 ms 19284 KB Output is correct
5 Correct 12 ms 19408 KB Output is correct
6 Correct 12 ms 19292 KB Output is correct
7 Correct 13 ms 19348 KB Output is correct
8 Correct 12 ms 19284 KB Output is correct
9 Correct 12 ms 19412 KB Output is correct
10 Correct 13 ms 19412 KB Output is correct
11 Correct 13 ms 19424 KB Output is correct
12 Correct 13 ms 19412 KB Output is correct
13 Correct 12 ms 19488 KB Output is correct
14 Correct 15 ms 19344 KB Output is correct
15 Correct 10 ms 19028 KB Output is correct
16 Correct 16 ms 19076 KB Output is correct
17 Correct 319 ms 52144 KB Output is correct
18 Correct 296 ms 56236 KB Output is correct
19 Correct 335 ms 50852 KB Output is correct
20 Correct 456 ms 52120 KB Output is correct
21 Correct 372 ms 52996 KB Output is correct
22 Correct 363 ms 59500 KB Output is correct
23 Correct 301 ms 52276 KB Output is correct
24 Correct 271 ms 53404 KB Output is correct
25 Correct 284 ms 60272 KB Output is correct
26 Correct 311 ms 54224 KB Output is correct
27 Correct 256 ms 57132 KB Output is correct
28 Correct 252 ms 57896 KB Output is correct
29 Correct 295 ms 59444 KB Output is correct
30 Correct 222 ms 58188 KB Output is correct
31 Correct 11 ms 19028 KB Output is correct
32 Correct 371 ms 49048 KB Output is correct
33 Correct 360 ms 49200 KB Output is correct
34 Correct 320 ms 55904 KB Output is correct
35 Correct 276 ms 57132 KB Output is correct
36 Correct 363 ms 52536 KB Output is correct
37 Correct 323 ms 59244 KB Output is correct
38 Correct 354 ms 59164 KB Output is correct
39 Correct 240 ms 58036 KB Output is correct
40 Correct 293 ms 52200 KB Output is correct
41 Correct 268 ms 53040 KB Output is correct
42 Correct 10 ms 19028 KB Output is correct
43 Correct 374 ms 50388 KB Output is correct
44 Correct 373 ms 53384 KB Output is correct
45 Correct 366 ms 51660 KB Output is correct
46 Correct 367 ms 54696 KB Output is correct
47 Correct 337 ms 52528 KB Output is correct
48 Correct 267 ms 55012 KB Output is correct
49 Correct 240 ms 60664 KB Output is correct
50 Correct 207 ms 39048 KB Output is correct
51 Correct 318 ms 51732 KB Output is correct
52 Correct 286 ms 51600 KB Output is correct
53 Correct 10 ms 19028 KB Output is correct
54 Correct 11 ms 19012 KB Output is correct
55 Correct 10 ms 19108 KB Output is correct
56 Correct 13 ms 19404 KB Output is correct
57 Correct 13 ms 19412 KB Output is correct
58 Correct 12 ms 19300 KB Output is correct
59 Correct 12 ms 19328 KB Output is correct
60 Correct 12 ms 19284 KB Output is correct
61 Correct 13 ms 19436 KB Output is correct
62 Correct 14 ms 19412 KB Output is correct
63 Correct 13 ms 19360 KB Output is correct
64 Correct 15 ms 19432 KB Output is correct
65 Correct 12 ms 19412 KB Output is correct
66 Correct 12 ms 19364 KB Output is correct
67 Correct 317 ms 55016 KB Output is correct
68 Correct 304 ms 58380 KB Output is correct
69 Correct 331 ms 50184 KB Output is correct
70 Correct 370 ms 52300 KB Output is correct
71 Correct 337 ms 51652 KB Output is correct
72 Correct 350 ms 59188 KB Output is correct
73 Correct 291 ms 52344 KB Output is correct
74 Correct 250 ms 51564 KB Output is correct
75 Correct 271 ms 58924 KB Output is correct
76 Correct 313 ms 53824 KB Output is correct
77 Correct 259 ms 57072 KB Output is correct
78 Correct 247 ms 56696 KB Output is correct
79 Correct 315 ms 58240 KB Output is correct
80 Correct 219 ms 59052 KB Output is correct
81 Correct 355 ms 51432 KB Output is correct
82 Correct 378 ms 52232 KB Output is correct
83 Correct 330 ms 55996 KB Output is correct
84 Correct 292 ms 56904 KB Output is correct
85 Correct 374 ms 53724 KB Output is correct
86 Correct 300 ms 60264 KB Output is correct
87 Correct 347 ms 60136 KB Output is correct
88 Correct 346 ms 51436 KB Output is correct
89 Correct 326 ms 50348 KB Output is correct
90 Correct 393 ms 52876 KB Output is correct
91 Correct 442 ms 54568 KB Output is correct
92 Correct 377 ms 54788 KB Output is correct
93 Correct 434 ms 53792 KB Output is correct
94 Correct 346 ms 52680 KB Output is correct
95 Correct 342 ms 56804 KB Output is correct
96 Correct 253 ms 60268 KB Output is correct
97 Correct 218 ms 39300 KB Output is correct
98 Correct 318 ms 53232 KB Output is correct
99 Correct 286 ms 52956 KB Output is correct
100 Correct 118 ms 25856 KB Output is correct
101 Correct 396 ms 54632 KB Output is correct
102 Correct 404 ms 48416 KB Output is correct
103 Correct 427 ms 47104 KB Output is correct
104 Correct 388 ms 50800 KB Output is correct