oj.uz

Submission #897676

# Submission time Handle Problem Language Result Execution time Memory
897676 2024-01-03T14:30:33 Z cadmiumsky Security Guard (JOI23_guard) C++17
50 / 100
 310 ms 50676 KB 
#include <bits/stdc++.h>
#define all(x) (x).begin(),(x).end()
using namespace std;

using ll = long long;
using ld = long double;

#define int ll
#define sz(x) ((int)(x).size())

using pii = pair<int,int>;
using tii = tuple<int,int,int>;

const int nmax = 2e5 + 5;

vector<int> S;

vector<int> g[nmax];

int occ[nmax];

namespace DSU {
  vector<pii> ntedg;
  int dsu[nmax];
  
  void init(int n) {
    for(int i = 0; i < n; i++)
      dsu[i] = i;
  }
  
  int f(int x) { return dsu[x] == x? x : dsu[x] = f(dsu[x]); }
  
  void unite(int x, int y) {
    pii F = pii{x, y};
    x = f(x);
    y = f(y);
    if(x == y) return;
    ntedg.emplace_back(F);
    
    dsu[x] = y;
  }
  
}

signed main() {
  cin.tie(0) -> sync_with_stdio(0);
  int n, m, q;
  cin >> n >> m >> q;
  
  S.resize(n);
  
  for(auto &x : S) cin >> x;
  
  vector<int> dir_ord(n), reidx(n + 1);
  
  iota(all(dir_ord), 0);
  sort(all(dir_ord), [&](int a, int b) { return S[a] < S[b]; });
  sort(all(S));
  
  for(int i = 0; i < n; i++)
    reidx[dir_ord[i] + 1] = i;

  //for(auto x : reidx) cerr << x << ' '; cerr << '\n';

  vector<tii> edg;
  for(int i = 0; i < m; i++) {
    int a, b;
    cin >> a >> b;
    g[reidx[a]].emplace_back(reidx[b]);
    g[reidx[b]].emplace_back(reidx[a]);
  
    edg.emplace_back(S[reidx[a]] + S[reidx[b]], reidx[a], reidx[b]);
  }
  
  sort(all(edg));
  
  DSU::init(n);
  for(auto [C, x, y] : edg)
    DSU::unite(x, y);
  
  vector<pii> ntedg = move(DSU::ntedg);
  
  ll sum = 0;
  for(auto [a, b] : ntedg)
    sum += S[a] + S[b];
  
  cout << sum - accumulate(all(S), 0LL) + (*max_element(all(S))) << '\n';
  
}

/**
  Anul asta nu se da centroid
  -- Rugaciunile mele
*/

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8024 KB Output is correct
2 Correct 71 ms 34044 KB Output is correct
3 Correct 72 ms 36200 KB Output is correct
4 Correct 81 ms 34300 KB Output is correct
5 Correct 85 ms 34040 KB Output is correct
6 Correct 80 ms 34044 KB Output is correct
7 Correct 81 ms 33916 KB Output is correct
8 Correct 2 ms 8024 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8024 KB Output is correct
2 Correct 71 ms 34044 KB Output is correct
3 Correct 72 ms 36200 KB Output is correct
4 Correct 81 ms 34300 KB Output is correct
5 Correct 85 ms 34040 KB Output is correct
6 Correct 80 ms 34044 KB Output is correct
7 Correct 81 ms 33916 KB Output is correct
8 Correct 2 ms 8024 KB Output is correct
9 Correct 2 ms 8028 KB Output is correct
10 Correct 122 ms 35616 KB Output is correct
11 Correct 79 ms 35768 KB Output is correct
12 Correct 72 ms 35832 KB Output is correct
13 Correct 75 ms 37116 KB Output is correct
14 Correct 137 ms 36632 KB Output is correct
15 Correct 120 ms 36856 KB Output is correct
16 Correct 132 ms 35588 KB Output is correct
17 Correct 126 ms 35576 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8024 KB Output is correct
2 Correct 71 ms 34044 KB Output is correct
3 Correct 72 ms 36200 KB Output is correct
4 Correct 81 ms 34300 KB Output is correct
5 Correct 85 ms 34040 KB Output is correct
6 Correct 80 ms 34044 KB Output is correct
7 Correct 81 ms 33916 KB Output is correct
8 Correct 2 ms 8024 KB Output is correct
9 Correct 2 ms 8028 KB Output is correct
10 Correct 122 ms 35616 KB Output is correct
11 Correct 79 ms 35768 KB Output is correct
12 Correct 72 ms 35832 KB Output is correct
13 Correct 75 ms 37116 KB Output is correct
14 Correct 137 ms 36632 KB Output is correct
15 Correct 120 ms 36856 KB Output is correct
16 Correct 132 ms 35588 KB Output is correct
17 Correct 126 ms 35576 KB Output is correct
18 Correct 2 ms 8028 KB Output is correct
19 Correct 171 ms 37916 KB Output is correct
20 Correct 149 ms 36636 KB Output is correct
21 Correct 171 ms 38424 KB Output is correct
22 Correct 151 ms 38904 KB Output is correct
23 Correct 148 ms 38648 KB Output is correct
24 Correct 134 ms 38992 KB Output is correct
25 Correct 130 ms 37136 KB Output is correct
26 Correct 129 ms 37624 KB Output is correct
27 Correct 148 ms 37776 KB Output is correct
28 Correct 149 ms 37912 KB Output is correct
29 Correct 156 ms 36344 KB Output is correct
30 Correct 137 ms 37008 KB Output is correct
31 Correct 126 ms 38376 KB Output is correct
32 Correct 162 ms 39020 KB Output is correct
33 Correct 135 ms 37112 KB Output is correct
34 Correct 132 ms 37112 KB Output is correct
35 Correct 153 ms 37824 KB Output is correct
36 Correct 120 ms 38700 KB Output is correct
37 Correct 126 ms 39416 KB Output is correct
38 Correct 159 ms 37112 KB Output is correct
39 Correct 126 ms 38148 KB Output is correct
40 Correct 144 ms 37976 KB Output is correct
41 Correct 154 ms 34804 KB Output is correct
42 Correct 146 ms 36852 KB Output is correct
43 Correct 147 ms 36712 KB Output is correct
44 Correct 165 ms 36852 KB Output is correct
45 Correct 165 ms 36784 KB Output is correct
46 Correct 150 ms 37364 KB Output is correct
47 Correct 172 ms 37112 KB Output is correct
48 Correct 159 ms 37624 KB Output is correct
49 Correct 150 ms 36632 KB Output is correct
50 Correct 174 ms 38104 KB Output is correct
51 Correct 125 ms 36860 KB Output is correct
52 Correct 120 ms 35364 KB Output is correct

Subtask #4
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8024 KB Output is correct
2 Correct 71 ms 34044 KB Output is correct
3 Correct 72 ms 36200 KB Output is correct
4 Correct 81 ms 34300 KB Output is correct
5 Correct 85 ms 34040 KB Output is correct
6 Correct 80 ms 34044 KB Output is correct
7 Correct 81 ms 33916 KB Output is correct
8 Correct 2 ms 8024 KB Output is correct
9 Correct 2 ms 8028 KB Output is correct
10 Correct 122 ms 35616 KB Output is correct
11 Correct 79 ms 35768 KB Output is correct
12 Correct 72 ms 35832 KB Output is correct
13 Correct 75 ms 37116 KB Output is correct
14 Correct 137 ms 36632 KB Output is correct
15 Correct 120 ms 36856 KB Output is correct
16 Correct 132 ms 35588 KB Output is correct
17 Correct 126 ms 35576 KB Output is correct
18 Correct 2 ms 8028 KB Output is correct
19 Correct 171 ms 37916 KB Output is correct
20 Correct 149 ms 36636 KB Output is correct
21 Correct 171 ms 38424 KB Output is correct
22 Correct 151 ms 38904 KB Output is correct
23 Correct 148 ms 38648 KB Output is correct
24 Correct 134 ms 38992 KB Output is correct
25 Correct 130 ms 37136 KB Output is correct
26 Correct 129 ms 37624 KB Output is correct
27 Correct 148 ms 37776 KB Output is correct
28 Correct 149 ms 37912 KB Output is correct
29 Correct 156 ms 36344 KB Output is correct
30 Correct 137 ms 37008 KB Output is correct
31 Correct 126 ms 38376 KB Output is correct
32 Correct 162 ms 39020 KB Output is correct
33 Correct 135 ms 37112 KB Output is correct
34 Correct 132 ms 37112 KB Output is correct
35 Correct 153 ms 37824 KB Output is correct
36 Correct 120 ms 38700 KB Output is correct
37 Correct 126 ms 39416 KB Output is correct
38 Correct 159 ms 37112 KB Output is correct
39 Correct 126 ms 38148 KB Output is correct
40 Correct 144 ms 37976 KB Output is correct
41 Correct 154 ms 34804 KB Output is correct
42 Correct 146 ms 36852 KB Output is correct
43 Correct 147 ms 36712 KB Output is correct
44 Correct 165 ms 36852 KB Output is correct
45 Correct 165 ms 36784 KB Output is correct
46 Correct 150 ms 37364 KB Output is correct
47 Correct 172 ms 37112 KB Output is correct
48 Correct 159 ms 37624 KB Output is correct
49 Correct 150 ms 36632 KB Output is correct
50 Correct 174 ms 38104 KB Output is correct
51 Correct 125 ms 36860 KB Output is correct
52 Correct 120 ms 35364 KB Output is correct
53 Correct 2 ms 8028 KB Output is correct
54 Correct 229 ms 38676 KB Output is correct
55 Correct 181 ms 37156 KB Output is correct
56 Correct 234 ms 42988 KB Output is correct
57 Correct 268 ms 50440 KB Output is correct
58 Correct 235 ms 50432 KB Output is correct
59 Correct 271 ms 49808 KB Output is correct
60 Correct 195 ms 42772 KB Output is correct
61 Correct 256 ms 49652 KB Output is correct
62 Correct 233 ms 49648 KB Output is correct
63 Correct 162 ms 36644 KB Output is correct
64 Correct 270 ms 42060 KB Output is correct
65 Correct 255 ms 48620 KB Output is correct
66 Correct 245 ms 49136 KB Output is correct
67 Correct 251 ms 49388 KB Output is correct
68 Correct 162 ms 39160 KB Output is correct
69 Correct 269 ms 46580 KB Output is correct
70 Correct 150 ms 38904 KB Output is correct
71 Correct 124 ms 40044 KB Output is correct
72 Correct 116 ms 37884 KB Output is correct
73 Correct 148 ms 38464 KB Output is correct
74 Correct 128 ms 38648 KB Output is correct
75 Correct 131 ms 36860 KB Output is correct
76 Correct 188 ms 34812 KB Output is correct
77 Correct 143 ms 36600 KB Output is correct
78 Correct 137 ms 37628 KB Output is correct
79 Correct 295 ms 50676 KB Output is correct
80 Correct 161 ms 40028 KB Output is correct
81 Correct 251 ms 47088 KB Output is correct
82 Correct 234 ms 49644 KB Output is correct
83 Correct 265 ms 50648 KB Output is correct
84 Correct 310 ms 50172 KB Output is correct
85 Correct 173 ms 38752 KB Output is correct
86 Correct 130 ms 36860 KB Output is correct
87 Correct 126 ms 36852 KB Output is correct
88 Correct 293 ms 50472 KB Output is correct

Subtask #5
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8024 KB Output is correct
2 Incorrect 2 ms 8028 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8024 KB Output is correct
2 Incorrect 2 ms 8028 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8024 KB Output is correct
2 Correct 71 ms 34044 KB Output is correct
3 Correct 72 ms 36200 KB Output is correct
4 Correct 81 ms 34300 KB Output is correct
5 Correct 85 ms 34040 KB Output is correct
6 Correct 80 ms 34044 KB Output is correct
7 Correct 81 ms 33916 KB Output is correct
8 Correct 2 ms 8024 KB Output is correct
9 Correct 2 ms 8028 KB Output is correct
10 Correct 122 ms 35616 KB Output is correct
11 Correct 79 ms 35768 KB Output is correct
12 Correct 72 ms 35832 KB Output is correct
13 Correct 75 ms 37116 KB Output is correct
14 Correct 137 ms 36632 KB Output is correct
15 Correct 120 ms 36856 KB Output is correct
16 Correct 132 ms 35588 KB Output is correct
17 Correct 126 ms 35576 KB Output is correct
18 Correct 2 ms 8028 KB Output is correct
19 Correct 171 ms 37916 KB Output is correct
20 Correct 149 ms 36636 KB Output is correct
21 Correct 171 ms 38424 KB Output is correct
22 Correct 151 ms 38904 KB Output is correct
23 Correct 148 ms 38648 KB Output is correct
24 Correct 134 ms 38992 KB Output is correct
25 Correct 130 ms 37136 KB Output is correct
26 Correct 129 ms 37624 KB Output is correct
27 Correct 148 ms 37776 KB Output is correct
28 Correct 149 ms 37912 KB Output is correct
29 Correct 156 ms 36344 KB Output is correct
30 Correct 137 ms 37008 KB Output is correct
31 Correct 126 ms 38376 KB Output is correct
32 Correct 162 ms 39020 KB Output is correct
33 Correct 135 ms 37112 KB Output is correct
34 Correct 132 ms 37112 KB Output is correct
35 Correct 153 ms 37824 KB Output is correct
36 Correct 120 ms 38700 KB Output is correct
37 Correct 126 ms 39416 KB Output is correct
38 Correct 159 ms 37112 KB Output is correct
39 Correct 126 ms 38148 KB Output is correct
40 Correct 144 ms 37976 KB Output is correct
41 Correct 154 ms 34804 KB Output is correct
42 Correct 146 ms 36852 KB Output is correct
43 Correct 147 ms 36712 KB Output is correct
44 Correct 165 ms 36852 KB Output is correct
45 Correct 165 ms 36784 KB Output is correct
46 Correct 150 ms 37364 KB Output is correct
47 Correct 172 ms 37112 KB Output is correct
48 Correct 159 ms 37624 KB Output is correct
49 Correct 150 ms 36632 KB Output is correct
50 Correct 174 ms 38104 KB Output is correct
51 Correct 125 ms 36860 KB Output is correct
52 Correct 120 ms 35364 KB Output is correct
53 Correct 2 ms 8028 KB Output is correct
54 Correct 229 ms 38676 KB Output is correct
55 Correct 181 ms 37156 KB Output is correct
56 Correct 234 ms 42988 KB Output is correct
57 Correct 268 ms 50440 KB Output is correct
58 Correct 235 ms 50432 KB Output is correct
59 Correct 271 ms 49808 KB Output is correct
60 Correct 195 ms 42772 KB Output is correct
61 Correct 256 ms 49652 KB Output is correct
62 Correct 233 ms 49648 KB Output is correct
63 Correct 162 ms 36644 KB Output is correct
64 Correct 270 ms 42060 KB Output is correct
65 Correct 255 ms 48620 KB Output is correct
66 Correct 245 ms 49136 KB Output is correct
67 Correct 251 ms 49388 KB Output is correct
68 Correct 162 ms 39160 KB Output is correct
69 Correct 269 ms 46580 KB Output is correct
70 Correct 150 ms 38904 KB Output is correct
71 Correct 124 ms 40044 KB Output is correct
72 Correct 116 ms 37884 KB Output is correct
73 Correct 148 ms 38464 KB Output is correct
74 Correct 128 ms 38648 KB Output is correct
75 Correct 131 ms 36860 KB Output is correct
76 Correct 188 ms 34812 KB Output is correct
77 Correct 143 ms 36600 KB Output is correct
78 Correct 137 ms 37628 KB Output is correct
79 Correct 295 ms 50676 KB Output is correct
80 Correct 161 ms 40028 KB Output is correct
81 Correct 251 ms 47088 KB Output is correct
82 Correct 234 ms 49644 KB Output is correct
83 Correct 265 ms 50648 KB Output is correct
84 Correct 310 ms 50172 KB Output is correct
85 Correct 173 ms 38752 KB Output is correct
86 Correct 130 ms 36860 KB Output is correct
87 Correct 126 ms 36852 KB Output is correct
88 Correct 293 ms 50472 KB Output is correct
89 Correct 2 ms 8024 KB Output is correct
90 Incorrect 2 ms 8028 KB Output isn't correct
91 Halted 0 ms 0 KB -