oj.uz

답안 #1028315

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1028315 2024-07-19T16:30:34 Z DennisTran 별자리 3 (JOI20_constellation3) C++17
100 / 100
 395 ms 69716 KB 
#include <bits/stdc++.h>
#define FOR(i, a, b) for (int i = (a); i <= (b); i++)
#define FOD(i, a, b) for (int i = (a); i >= (b); i--)
#define REP(i, n) for (int i = 0; i < (n); i++)
#define ALL(x) (x).begin(), (x).end()
#define __Dennis_Tran___ signed main()
#define TIME  (1.0 * clock() / CLOCKS_PER_SEC)
#define file(name)  if (fopen(name".inp", "r")) { freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
 
using namespace std;
 
const int maxN = 2e5 + 5;
 
int n, a[maxN];
int p[20][maxN];
int tin[maxN], tout[maxN], timer;
long long dp[maxN];
vector <int> ke[maxN];
vector <pair <int, int>> stars[maxN];
 
struct rmq{
    int f[20][maxN];
    int Max(int x, int y) {return a[x] >= a[y] ? x : y;}
    int get(int l, int r) {
        int k = __lg(r - l + 1);
        return Max(f[k][l], f[k][r - (1 << k) + 1]);
    }
    void build() {
        FOR(i, 1, n) f[0][i] = i;
        for (int i = 1; (1 << i) <= n; i++)
            for (int j = 1; j <= n - (1 << i) + 1; j++)
                f[i][j] = Max(f[i - 1][j], f[i - 1][j + (1 << i - 1)]);
 
    }
} RMQ;
 
int build_Tree(int l, int r, int parent = 0) {
    if (l > r) return 0;
    int mid = RMQ.get(l, r);
    tin[mid] = ++timer;
    ke[parent].emplace_back(mid);
    p[0][mid] = parent;
    FOR(i, 1, 18) p[i][mid] = p[i - 1][p[i - 1][mid]];
    build_Tree(l, mid - 1, mid);
    build_Tree(mid + 1, r, mid);
    tout[mid] = timer;
    return mid;
}
 
struct BIT{
    long long bit[maxN];
    void update(int x, long long val) {
        for (; x <= n; x += x&-x) bit[x] += val;
    }
    void update(int l, int r, long long val) {
        update(l, val);
        update(r + 1, - val);
    }
 
    long long get(int x) {
        long long ans = 0;
        for (; x; x -= x&-x) ans += bit[x];
        return ans;
    }
} tree1, tree2;
 
void DFS(int u) {
    for (int v : ke[u]) {
        DFS(v);
        dp[u] += dp[v];
    }
 
    tree1.update(tin[u], tout[u], dp[u]); 
    for (auto x : stars[u]) {
        dp[u] = max(dp[u], x.second + tree1.get(tin[x.first]) - tree2.get(tin[x.first]));
    }
    tree2.update(tin[u], tout[u], dp[u]);
}
 
__Dennis_Tran___{
    ios_base::sync_with_stdio(false); 
    cin.tie(nullptr); 
    cout.tie(nullptr);
 
    cin >> n;
    FOR(i, 1, n) cin >> a[i];
 
    RMQ.build();
    int root = build_Tree(1, n);
 
    long long Total = 0;
    int m; cin >> m; while (m--) {
        int x, y, c; cin >> x >> y >> c;
        int cnode = x; Total += c;
        FOD(i, 18, 0) if (p[i][cnode] && a[p[i][cnode]] < y)
            cnode = p[i][cnode];
        stars[cnode].emplace_back(x, c);
    }
 
    DFS(root);
    cout << Total - dp[root];
    cerr << "Time elapsed: " << TIME << " s.\n";
    return (0 ^ 0);
}

Compilation message

constellation3.cpp: In member function 'void rmq::build()':
constellation3.cpp:32:65: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   32 |                 f[i][j] = Max(f[i - 1][j], f[i - 1][j + (1 << i - 1)]);
      |                                                               ~~^~~

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 10076 KB Output is correct
2 Correct 4 ms 10076 KB Output is correct
3 Correct 4 ms 10076 KB Output is correct
4 Correct 4 ms 10076 KB Output is correct
5 Correct 4 ms 10076 KB Output is correct
6 Correct 4 ms 10072 KB Output is correct
7 Correct 4 ms 10076 KB Output is correct
8 Correct 6 ms 10076 KB Output is correct
9 Correct 6 ms 10072 KB Output is correct
10 Correct 5 ms 10076 KB Output is correct
11 Correct 5 ms 10000 KB Output is correct
12 Correct 4 ms 10076 KB Output is correct
13 Correct 6 ms 10076 KB Output is correct
14 Correct 5 ms 10060 KB Output is correct
15 Correct 4 ms 10076 KB Output is correct
16 Correct 4 ms 10076 KB Output is correct
17 Correct 4 ms 10076 KB Output is correct
18 Correct 4 ms 10076 KB Output is correct
19 Correct 4 ms 10076 KB Output is correct
20 Correct 5 ms 10076 KB Output is correct
21 Correct 4 ms 10076 KB Output is correct
22 Correct 4 ms 10076 KB Output is correct

Subtask #2
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 10076 KB Output is correct
2 Correct 4 ms 10076 KB Output is correct
3 Correct 4 ms 10076 KB Output is correct
4 Correct 4 ms 10076 KB Output is correct
5 Correct 4 ms 10076 KB Output is correct
6 Correct 4 ms 10072 KB Output is correct
7 Correct 4 ms 10076 KB Output is correct
8 Correct 6 ms 10076 KB Output is correct
9 Correct 6 ms 10072 KB Output is correct
10 Correct 5 ms 10076 KB Output is correct
11 Correct 5 ms 10000 KB Output is correct
12 Correct 4 ms 10076 KB Output is correct
13 Correct 6 ms 10076 KB Output is correct
14 Correct 5 ms 10060 KB Output is correct
15 Correct 4 ms 10076 KB Output is correct
16 Correct 4 ms 10076 KB Output is correct
17 Correct 4 ms 10076 KB Output is correct
18 Correct 4 ms 10076 KB Output is correct
19 Correct 4 ms 10076 KB Output is correct
20 Correct 5 ms 10076 KB Output is correct
21 Correct 4 ms 10076 KB Output is correct
22 Correct 4 ms 10076 KB Output is correct
23 Correct 5 ms 10332 KB Output is correct
24 Correct 5 ms 10332 KB Output is correct
25 Correct 5 ms 10332 KB Output is correct
26 Correct 5 ms 10392 KB Output is correct
27 Correct 5 ms 10328 KB Output is correct
28 Correct 5 ms 10332 KB Output is correct
29 Correct 5 ms 10332 KB Output is correct
30 Correct 5 ms 10416 KB Output is correct
31 Correct 5 ms 10332 KB Output is correct
32 Correct 6 ms 10512 KB Output is correct
33 Correct 6 ms 10332 KB Output is correct
34 Correct 9 ms 10264 KB Output is correct
35 Correct 6 ms 10332 KB Output is correct
36 Correct 5 ms 10332 KB Output is correct
37 Correct 6 ms 10328 KB Output is correct
38 Correct 8 ms 10588 KB Output is correct
39 Correct 7 ms 10332 KB Output is correct
40 Correct 5 ms 10456 KB Output is correct
41 Correct 5 ms 10332 KB Output is correct
42 Correct 5 ms 10332 KB Output is correct
43 Correct 5 ms 10328 KB Output is correct
44 Correct 5 ms 10332 KB Output is correct

Subtask #3
65.0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 10076 KB Output is correct
2 Correct 4 ms 10076 KB Output is correct
3 Correct 4 ms 10076 KB Output is correct
4 Correct 4 ms 10076 KB Output is correct
5 Correct 4 ms 10076 KB Output is correct
6 Correct 4 ms 10072 KB Output is correct
7 Correct 4 ms 10076 KB Output is correct
8 Correct 6 ms 10076 KB Output is correct
9 Correct 6 ms 10072 KB Output is correct
10 Correct 5 ms 10076 KB Output is correct
11 Correct 5 ms 10000 KB Output is correct
12 Correct 4 ms 10076 KB Output is correct
13 Correct 6 ms 10076 KB Output is correct
14 Correct 5 ms 10060 KB Output is correct
15 Correct 4 ms 10076 KB Output is correct
16 Correct 4 ms 10076 KB Output is correct
17 Correct 4 ms 10076 KB Output is correct
18 Correct 4 ms 10076 KB Output is correct
19 Correct 4 ms 10076 KB Output is correct
20 Correct 5 ms 10076 KB Output is correct
21 Correct 4 ms 10076 KB Output is correct
22 Correct 4 ms 10076 KB Output is correct
23 Correct 5 ms 10332 KB Output is correct
24 Correct 5 ms 10332 KB Output is correct
25 Correct 5 ms 10332 KB Output is correct
26 Correct 5 ms 10392 KB Output is correct
27 Correct 5 ms 10328 KB Output is correct
28 Correct 5 ms 10332 KB Output is correct
29 Correct 5 ms 10332 KB Output is correct
30 Correct 5 ms 10416 KB Output is correct
31 Correct 5 ms 10332 KB Output is correct
32 Correct 6 ms 10512 KB Output is correct
33 Correct 6 ms 10332 KB Output is correct
34 Correct 9 ms 10264 KB Output is correct
35 Correct 6 ms 10332 KB Output is correct
36 Correct 5 ms 10332 KB Output is correct
37 Correct 6 ms 10328 KB Output is correct
38 Correct 8 ms 10588 KB Output is correct
39 Correct 7 ms 10332 KB Output is correct
40 Correct 5 ms 10456 KB Output is correct
41 Correct 5 ms 10332 KB Output is correct
42 Correct 5 ms 10332 KB Output is correct
43 Correct 5 ms 10328 KB Output is correct
44 Correct 5 ms 10332 KB Output is correct
45 Correct 189 ms 52304 KB Output is correct
46 Correct 168 ms 51980 KB Output is correct
47 Correct 175 ms 51172 KB Output is correct
48 Correct 172 ms 52460 KB Output is correct
49 Correct 194 ms 50768 KB Output is correct
50 Correct 194 ms 51024 KB Output is correct
51 Correct 145 ms 51028 KB Output is correct
52 Correct 172 ms 51796 KB Output is correct
53 Correct 205 ms 52048 KB Output is correct
54 Correct 271 ms 62548 KB Output is correct
55 Correct 236 ms 58400 KB Output is correct
56 Correct 256 ms 56404 KB Output is correct
57 Correct 268 ms 54868 KB Output is correct
58 Correct 228 ms 59252 KB Output is correct
59 Correct 198 ms 58784 KB Output is correct
60 Correct 117 ms 69716 KB Output is correct
61 Correct 178 ms 52048 KB Output is correct
62 Correct 315 ms 64084 KB Output is correct
63 Correct 194 ms 51152 KB Output is correct
64 Correct 177 ms 50516 KB Output is correct
65 Correct 395 ms 64708 KB Output is correct
66 Correct 163 ms 50616 KB Output is correct