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답안 #213326

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
213326 2020-03-25T14:47:50 Z IOrtroiii 별자리 3 (JOI20_constellation3) C++14
100 / 100
 361 ms 72952 KB 
#include <bits/stdc++.h>

using namespace std;

const int MAXN = 200200;
const int LG = 18;
using ll = long long;

int N, M;
int A[MAXN];
int rmq[LG][MAXN];

int best(int x, int y) {
   if (A[x] > A[y]) return x;
   else return y;
}

ll ans[MAXN], offset[MAXN];
multiset<pair<int, ll>> vals[MAXN];

int get(int l, int r) {
   int lg = __lg(r - l + 1);
   return best(rmq[lg][l], rmq[lg][r - (1 << lg) + 1]);
}

int solve(int l, int r, int lim) {
   int v;
   if (l == r) {
      v = l;
   } else {
      int md = get(l, r);
      v = solve(md, md, A[md]);
      if (l < md) {
         int u = solve(l, md - 1, A[md]);
         if (vals[v].size() < vals[u].size()) {
            swap(v, u);
         }
         for (auto z : vals[u]) {
            vals[v].emplace(z.first, z.second + ans[v] - ans[u]);
         }
         offset[v] += offset[u] + ans[u];
      }
      if (md < r) {
         int u = solve(md + 1, r, A[md]);
         if (vals[v].size() < vals[u].size()) {
            swap(v, u);
         }
         for (auto z : vals[u]) {
            vals[v].emplace(z.first, z.second + ans[v] - ans[u]);
         }
         offset[v] += offset[u] + ans[u];
      }
   }
   while (!vals[v].empty() && vals[v].begin()->first <= lim) {
      ans[v] = max(ans[v], vals[v].begin()->second);
      vals[v].erase(vals[v].begin());
   }
   return v;
}

int main() {
   ios_base::sync_with_stdio(false); cin.tie(nullptr);
   cin >> N;
   for (int i = 0; i < N; ++i) {
      cin >> A[i];
      rmq[0][i] = i;
   }
   for (int i = 1; i < LG; ++i) {
      for (int j = 0; j + (1 << i) <= N; ++j) {
         rmq[i][j] = best(rmq[i - 1][j], rmq[i - 1][j + (1 << (i - 1))]);
      }
   }
   cin >> M;
   ll sum = 0;
   while (M--) {
      int x, y; ll c;
      cin >> x >> y >> c;
      vals[--x].emplace(y, c);
      sum += c;
   }
   int v = solve(0, N - 1, N + 1);
   cout << sum - (ans[v] + offset[v]) << "\n";
   return 0;
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 9856 KB Output is correct
2 Correct 10 ms 9728 KB Output is correct
3 Correct 10 ms 9856 KB Output is correct
4 Correct 11 ms 9728 KB Output is correct
5 Correct 10 ms 9856 KB Output is correct
6 Correct 10 ms 9856 KB Output is correct
7 Correct 10 ms 9856 KB Output is correct
8 Correct 10 ms 9856 KB Output is correct
9 Correct 10 ms 9856 KB Output is correct
10 Correct 11 ms 9984 KB Output is correct
11 Correct 10 ms 9856 KB Output is correct
12 Correct 10 ms 9984 KB Output is correct
13 Correct 10 ms 9856 KB Output is correct
14 Correct 10 ms 9856 KB Output is correct
15 Correct 10 ms 9856 KB Output is correct
16 Correct 10 ms 9984 KB Output is correct
17 Correct 10 ms 9856 KB Output is correct
18 Correct 11 ms 9984 KB Output is correct
19 Correct 10 ms 9856 KB Output is correct
20 Correct 10 ms 9856 KB Output is correct
21 Correct 10 ms 10112 KB Output is correct
22 Correct 11 ms 9856 KB Output is correct

Subtask #2
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 9856 KB Output is correct
2 Correct 10 ms 9728 KB Output is correct
3 Correct 10 ms 9856 KB Output is correct
4 Correct 11 ms 9728 KB Output is correct
5 Correct 10 ms 9856 KB Output is correct
6 Correct 10 ms 9856 KB Output is correct
7 Correct 10 ms 9856 KB Output is correct
8 Correct 10 ms 9856 KB Output is correct
9 Correct 10 ms 9856 KB Output is correct
10 Correct 11 ms 9984 KB Output is correct
11 Correct 10 ms 9856 KB Output is correct
12 Correct 10 ms 9984 KB Output is correct
13 Correct 10 ms 9856 KB Output is correct
14 Correct 10 ms 9856 KB Output is correct
15 Correct 10 ms 9856 KB Output is correct
16 Correct 10 ms 9984 KB Output is correct
17 Correct 10 ms 9856 KB Output is correct
18 Correct 11 ms 9984 KB Output is correct
19 Correct 10 ms 9856 KB Output is correct
20 Correct 10 ms 9856 KB Output is correct
21 Correct 10 ms 10112 KB Output is correct
22 Correct 11 ms 9856 KB Output is correct
23 Correct 11 ms 10112 KB Output is correct
24 Correct 11 ms 10112 KB Output is correct
25 Correct 11 ms 10112 KB Output is correct
26 Correct 11 ms 10112 KB Output is correct
27 Correct 11 ms 10112 KB Output is correct
28 Correct 11 ms 10112 KB Output is correct
29 Correct 11 ms 10112 KB Output is correct
30 Correct 11 ms 10112 KB Output is correct
31 Correct 12 ms 10112 KB Output is correct
32 Correct 14 ms 10368 KB Output is correct
33 Correct 12 ms 10368 KB Output is correct
34 Correct 12 ms 10240 KB Output is correct
35 Correct 11 ms 10240 KB Output is correct
36 Correct 11 ms 10368 KB Output is correct
37 Correct 12 ms 10368 KB Output is correct
38 Correct 11 ms 10368 KB Output is correct
39 Correct 12 ms 10240 KB Output is correct
40 Correct 11 ms 10368 KB Output is correct
41 Correct 12 ms 10240 KB Output is correct
42 Correct 12 ms 10240 KB Output is correct
43 Correct 12 ms 10368 KB Output is correct
44 Correct 11 ms 10240 KB Output is correct

Subtask #3
65.0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 9856 KB Output is correct
2 Correct 10 ms 9728 KB Output is correct
3 Correct 10 ms 9856 KB Output is correct
4 Correct 11 ms 9728 KB Output is correct
5 Correct 10 ms 9856 KB Output is correct
6 Correct 10 ms 9856 KB Output is correct
7 Correct 10 ms 9856 KB Output is correct
8 Correct 10 ms 9856 KB Output is correct
9 Correct 10 ms 9856 KB Output is correct
10 Correct 11 ms 9984 KB Output is correct
11 Correct 10 ms 9856 KB Output is correct
12 Correct 10 ms 9984 KB Output is correct
13 Correct 10 ms 9856 KB Output is correct
14 Correct 10 ms 9856 KB Output is correct
15 Correct 10 ms 9856 KB Output is correct
16 Correct 10 ms 9984 KB Output is correct
17 Correct 10 ms 9856 KB Output is correct
18 Correct 11 ms 9984 KB Output is correct
19 Correct 10 ms 9856 KB Output is correct
20 Correct 10 ms 9856 KB Output is correct
21 Correct 10 ms 10112 KB Output is correct
22 Correct 11 ms 9856 KB Output is correct
23 Correct 11 ms 10112 KB Output is correct
24 Correct 11 ms 10112 KB Output is correct
25 Correct 11 ms 10112 KB Output is correct
26 Correct 11 ms 10112 KB Output is correct
27 Correct 11 ms 10112 KB Output is correct
28 Correct 11 ms 10112 KB Output is correct
29 Correct 11 ms 10112 KB Output is correct
30 Correct 11 ms 10112 KB Output is correct
31 Correct 12 ms 10112 KB Output is correct
32 Correct 14 ms 10368 KB Output is correct
33 Correct 12 ms 10368 KB Output is correct
34 Correct 12 ms 10240 KB Output is correct
35 Correct 11 ms 10240 KB Output is correct
36 Correct 11 ms 10368 KB Output is correct
37 Correct 12 ms 10368 KB Output is correct
38 Correct 11 ms 10368 KB Output is correct
39 Correct 12 ms 10240 KB Output is correct
40 Correct 11 ms 10368 KB Output is correct
41 Correct 12 ms 10240 KB Output is correct
42 Correct 12 ms 10240 KB Output is correct
43 Correct 12 ms 10368 KB Output is correct
44 Correct 11 ms 10240 KB Output is correct
45 Correct 218 ms 39032 KB Output is correct
46 Correct 220 ms 38520 KB Output is correct
47 Correct 224 ms 38648 KB Output is correct
48 Correct 207 ms 38776 KB Output is correct
49 Correct 216 ms 38264 KB Output is correct
50 Correct 204 ms 38012 KB Output is correct
51 Correct 210 ms 38392 KB Output is correct
52 Correct 226 ms 38904 KB Output is correct
53 Correct 215 ms 38532 KB Output is correct
54 Correct 303 ms 65144 KB Output is correct
55 Correct 339 ms 60408 KB Output is correct
56 Correct 323 ms 57720 KB Output is correct
57 Correct 361 ms 56184 KB Output is correct
58 Correct 310 ms 63352 KB Output is correct
59 Correct 317 ms 63352 KB Output is correct
60 Correct 160 ms 72952 KB Output is correct
61 Correct 309 ms 65144 KB Output is correct
62 Correct 312 ms 68344 KB Output is correct
63 Correct 300 ms 60412 KB Output is correct
64 Correct 303 ms 62712 KB Output is correct
65 Correct 311 ms 68472 KB Output is correct
66 Correct 315 ms 63352 KB Output is correct