Submission #568225

# Submission time Handle Problem Language Result Execution time Memory
568225 2022-05-25T01:56:05 Z maomao90 Sprinkler (JOI22_sprinkler) C++17
41 / 100
4000 ms 299064 KB
// Hallelujah, praise the one who set me free
// Hallelujah, death has lost its grip on me
// You have broken every chain, There's salvation in your name
// Jesus Christ, my living hope
#include <bits/stdc++.h> 
using namespace std;

template <class T>
inline bool mnto(T& a, T b) {return a > b ? a = b, 1 : 0;}
template <class T>
inline bool mxto(T& a, T b) {return a < b ? a = b, 1: 0;}
#define REP(i, s, e) for (int i = s; i < e; i++)
#define RREP(i, s, e) for (int i = s; i >= e; i--)
typedef long long ll;
typedef long double ld;
#define FI first
#define SE second
typedef pair<int, int> ii;
typedef pair<ll, ll> pll;
typedef tuple<int, int, int> iii;
#define ALL(_a) _a.begin(), _a.end()
#define SZ(_a) (int) _a.size()
#define pb push_back
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<ii> vii;
typedef vector<iii> viii;

#ifndef DEBUG
#define cerr if (0) cerr
#endif

const int INF = 1000000005;
const ll LINF = 1000000000000000005ll;
const int MAXN = 400005;
const int MAXD = 41;

int n, l;
vii adj[MAXN];
int h[MAXN];
int q;
int m;

ii p[MAXN];
int pre[MAXN], pst[MAXN], ptr = 1;
void dfs(int u) {
    REP (i, 0, adj[u].size()) {
        if (adj[u][i].FI == p[u].FI) {
            swap(adj[u][i], adj[u][SZ(adj[u]) - 1]);
            break;
        }
    }
    pre[u] = ptr;
    for (auto &[v, id] : adj[u]) {
        if (v == p[u].FI) continue;
        id = ptr++;
        p[v] = {u, id};
    }
    pst[u] = ptr;
    for (auto [v, id] : adj[u]) {
        if (v == p[u].FI) continue;
        dfs(v);
    }
}

void fwincre(int i, int x, int *fw) {
    for (; i <= MAXD; i += i & -i) fw[i] = (ll) fw[i] * x % l;
}
int fwqry(int i, int *fw) {
    int res = 1;
    for (; i > 0; i -= i & -i) res = (ll) res * fw[i] % l;
    return res;
}

int st[MAXN * 4][MAXD + 1];
void incre(int p, int l, int x) {
    int u = p + m;
    while (u) {
        fwincre(l, x, st[u]);
        u >>= 1;
    }
}
int qry(int s, int e, int l) {
    int a = s + m, b = e + m;
    int res = 1;
    while (a < b) {
        if (a & 1) {
            res = (ll) res * fwqry(l, st[a]) % ::l;
            a++;
        }
        if (b & 1) {
            b--;
            res = (ll) res * fwqry(l, st[b]) % ::l;
        }
        a >>= 1; b >>= 1;
    }
    return res;
}

int main() {
#ifndef DEBUG
    ios::sync_with_stdio(0), cin.tie(0);
#endif
    cin >> n >> l;
    REP (i, 1, n) {
        int a, b; cin >> a >> b;
        adj[a].pb({b, 0});
        adj[b].pb({a, 0});
    }
    int on = n;
    REP (i, 2, n + 1) {
        if (adj[i].size() == 1) {
            adj[i].pb({++on, 0});
            adj[on].pb({i, 0});
        }
    }
    dfs(1);
    m = 1;
    while (m < ptr) {
        m <<= 1;
    }
    REP (i, 0, MAXN * 4) {
        REP (j, 0, MAXD + 1) {
            st[i][j] = 1;
        }
    }
    REP (i, 1, n + 1) {
        cin >> h[i];
    }
    cin >> q;
    while (q--) {
        int t; cin >> t;
        if (t == 1) {
            int x, d, w; cin >> x >> d >> w;
            int u = x;
            REP (i, MAXD - d + 1, MAXD + 1) {
                if (p[u].FI == 0) break;
                int id = p[u].SE;
                u = p[u].FI;
                cerr << "+ " << id << ' ' << i << ' ' << w << '\n';
                incre(id, i, w);
            }
            u = x;
            REP (i, MAXD - d, MAXD + 1) {
                if (adj[u][0].FI == p[u].FI) break;
                int id = adj[u][0].SE;
                u = adj[u][0].FI;
                cerr << "+ " << id << ' ' << i << ' ' << w << '\n';
                incre(id, i, w);
            }
        } else {
            int x; cin >> x;
            ll ans = h[x];
            ans = ans * qry(pre[x], pst[x], MAXD) % l;
            int u = x;
            RREP (i, MAXD - 1, 1) {
                if (p[u].FI == 0) break;
                int id = p[u].SE;
                u = p[u].FI;
                ans = ans * qry(pre[u], id, i) % l;
                ans = ans * qry(id + 1, pst[u], i) % l;
            }
            cout << ans << '\n';
        }
    }
    return 0;
}

/*
6 10
5 6
1 2
1 4
2 6
3 6
9
2
3
4
9
1
100
1 4 1 9
2 1
*/

Compilation message

sprinkler.cpp: In function 'void dfs(int)':
sprinkler.cpp:13:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 | #define REP(i, s, e) for (int i = s; i < e; i++)
......
   48 |     REP (i, 0, adj[u].size()) {
      |          ~~~~~~~~~~~~~~~~~~~            
sprinkler.cpp:48:5: note: in expansion of macro 'REP'
   48 |     REP (i, 0, adj[u].size()) {
      |     ^~~
# Verdict Execution time Memory Grader output
1 Correct 143 ms 272764 KB Output is correct
2 Correct 135 ms 272616 KB Output is correct
3 Correct 132 ms 272688 KB Output is correct
4 Correct 141 ms 272836 KB Output is correct
5 Correct 149 ms 272776 KB Output is correct
6 Correct 137 ms 272832 KB Output is correct
7 Correct 134 ms 272844 KB Output is correct
8 Correct 136 ms 272856 KB Output is correct
9 Correct 133 ms 272796 KB Output is correct
10 Correct 132 ms 272728 KB Output is correct
11 Correct 134 ms 272680 KB Output is correct
12 Correct 134 ms 272780 KB Output is correct
13 Correct 133 ms 272716 KB Output is correct
14 Correct 134 ms 272704 KB Output is correct
15 Correct 132 ms 272728 KB Output is correct
16 Correct 139 ms 272676 KB Output is correct
17 Correct 135 ms 272728 KB Output is correct
18 Correct 134 ms 272784 KB Output is correct
19 Correct 131 ms 272696 KB Output is correct
20 Correct 135 ms 272684 KB Output is correct
21 Correct 136 ms 272668 KB Output is correct
22 Correct 135 ms 272716 KB Output is correct
23 Correct 136 ms 272720 KB Output is correct
24 Correct 137 ms 272864 KB Output is correct
25 Correct 132 ms 272708 KB Output is correct
26 Correct 134 ms 272700 KB Output is correct
27 Correct 132 ms 272636 KB Output is correct
28 Correct 137 ms 272740 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 137 ms 272748 KB Output is correct
2 Correct 1345 ms 294004 KB Output is correct
3 Correct 942 ms 291004 KB Output is correct
4 Correct 736 ms 293896 KB Output is correct
5 Correct 1083 ms 292376 KB Output is correct
6 Correct 969 ms 293680 KB Output is correct
7 Correct 983 ms 295136 KB Output is correct
8 Correct 750 ms 299064 KB Output is correct
9 Correct 752 ms 298568 KB Output is correct
10 Correct 833 ms 294756 KB Output is correct
11 Correct 1318 ms 293900 KB Output is correct
12 Correct 911 ms 290828 KB Output is correct
13 Correct 655 ms 296304 KB Output is correct
14 Correct 689 ms 296356 KB Output is correct
15 Correct 683 ms 294532 KB Output is correct
16 Correct 675 ms 296172 KB Output is correct
17 Correct 768 ms 296884 KB Output is correct
18 Correct 139 ms 272844 KB Output is correct
19 Correct 133 ms 272708 KB Output is correct
20 Correct 138 ms 272656 KB Output is correct
21 Correct 133 ms 272644 KB Output is correct
22 Correct 141 ms 272752 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 137 ms 272748 KB Output is correct
2 Correct 1345 ms 294004 KB Output is correct
3 Correct 942 ms 291004 KB Output is correct
4 Correct 736 ms 293896 KB Output is correct
5 Correct 1083 ms 292376 KB Output is correct
6 Correct 969 ms 293680 KB Output is correct
7 Correct 983 ms 295136 KB Output is correct
8 Correct 750 ms 299064 KB Output is correct
9 Correct 752 ms 298568 KB Output is correct
10 Correct 833 ms 294756 KB Output is correct
11 Correct 1318 ms 293900 KB Output is correct
12 Correct 911 ms 290828 KB Output is correct
13 Correct 655 ms 296304 KB Output is correct
14 Correct 689 ms 296356 KB Output is correct
15 Correct 683 ms 294532 KB Output is correct
16 Correct 675 ms 296172 KB Output is correct
17 Correct 768 ms 296884 KB Output is correct
18 Correct 139 ms 272844 KB Output is correct
19 Correct 133 ms 272708 KB Output is correct
20 Correct 138 ms 272656 KB Output is correct
21 Correct 133 ms 272644 KB Output is correct
22 Correct 141 ms 272752 KB Output is correct
23 Correct 134 ms 272732 KB Output is correct
24 Correct 1352 ms 294040 KB Output is correct
25 Correct 1093 ms 290760 KB Output is correct
26 Correct 785 ms 296704 KB Output is correct
27 Correct 1195 ms 292308 KB Output is correct
28 Correct 1090 ms 293772 KB Output is correct
29 Correct 1020 ms 294596 KB Output is correct
30 Correct 823 ms 298764 KB Output is correct
31 Correct 737 ms 295716 KB Output is correct
32 Correct 1088 ms 294656 KB Output is correct
33 Correct 1360 ms 294068 KB Output is correct
34 Correct 1149 ms 290812 KB Output is correct
35 Correct 151 ms 272696 KB Output is correct
36 Correct 134 ms 272760 KB Output is correct
37 Correct 135 ms 272728 KB Output is correct
38 Correct 135 ms 272708 KB Output is correct
39 Correct 133 ms 272640 KB Output is correct
40 Correct 134 ms 272748 KB Output is correct
41 Correct 140 ms 272648 KB Output is correct
42 Correct 142 ms 272764 KB Output is correct
43 Correct 142 ms 272748 KB Output is correct
44 Correct 136 ms 272656 KB Output is correct
45 Correct 139 ms 272760 KB Output is correct
46 Correct 138 ms 272628 KB Output is correct
47 Correct 169 ms 272796 KB Output is correct
48 Correct 138 ms 272660 KB Output is correct
49 Correct 135 ms 272728 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 135 ms 272664 KB Output is correct
2 Correct 2128 ms 295744 KB Output is correct
3 Execution timed out 4102 ms 292716 KB Time limit exceeded
4 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 137 ms 272648 KB Output is correct
2 Correct 2128 ms 293384 KB Output is correct
3 Execution timed out 4113 ms 288116 KB Time limit exceeded
4 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 143 ms 272764 KB Output is correct
2 Correct 135 ms 272616 KB Output is correct
3 Correct 132 ms 272688 KB Output is correct
4 Correct 141 ms 272836 KB Output is correct
5 Correct 149 ms 272776 KB Output is correct
6 Correct 137 ms 272832 KB Output is correct
7 Correct 134 ms 272844 KB Output is correct
8 Correct 136 ms 272856 KB Output is correct
9 Correct 133 ms 272796 KB Output is correct
10 Correct 132 ms 272728 KB Output is correct
11 Correct 134 ms 272680 KB Output is correct
12 Correct 134 ms 272780 KB Output is correct
13 Correct 133 ms 272716 KB Output is correct
14 Correct 134 ms 272704 KB Output is correct
15 Correct 132 ms 272728 KB Output is correct
16 Correct 139 ms 272676 KB Output is correct
17 Correct 135 ms 272728 KB Output is correct
18 Correct 134 ms 272784 KB Output is correct
19 Correct 131 ms 272696 KB Output is correct
20 Correct 135 ms 272684 KB Output is correct
21 Correct 136 ms 272668 KB Output is correct
22 Correct 135 ms 272716 KB Output is correct
23 Correct 136 ms 272720 KB Output is correct
24 Correct 137 ms 272864 KB Output is correct
25 Correct 132 ms 272708 KB Output is correct
26 Correct 134 ms 272700 KB Output is correct
27 Correct 132 ms 272636 KB Output is correct
28 Correct 137 ms 272740 KB Output is correct
29 Correct 137 ms 272748 KB Output is correct
30 Correct 1345 ms 294004 KB Output is correct
31 Correct 942 ms 291004 KB Output is correct
32 Correct 736 ms 293896 KB Output is correct
33 Correct 1083 ms 292376 KB Output is correct
34 Correct 969 ms 293680 KB Output is correct
35 Correct 983 ms 295136 KB Output is correct
36 Correct 750 ms 299064 KB Output is correct
37 Correct 752 ms 298568 KB Output is correct
38 Correct 833 ms 294756 KB Output is correct
39 Correct 1318 ms 293900 KB Output is correct
40 Correct 911 ms 290828 KB Output is correct
41 Correct 655 ms 296304 KB Output is correct
42 Correct 689 ms 296356 KB Output is correct
43 Correct 683 ms 294532 KB Output is correct
44 Correct 675 ms 296172 KB Output is correct
45 Correct 768 ms 296884 KB Output is correct
46 Correct 139 ms 272844 KB Output is correct
47 Correct 133 ms 272708 KB Output is correct
48 Correct 138 ms 272656 KB Output is correct
49 Correct 133 ms 272644 KB Output is correct
50 Correct 141 ms 272752 KB Output is correct
51 Correct 134 ms 272732 KB Output is correct
52 Correct 1352 ms 294040 KB Output is correct
53 Correct 1093 ms 290760 KB Output is correct
54 Correct 785 ms 296704 KB Output is correct
55 Correct 1195 ms 292308 KB Output is correct
56 Correct 1090 ms 293772 KB Output is correct
57 Correct 1020 ms 294596 KB Output is correct
58 Correct 823 ms 298764 KB Output is correct
59 Correct 737 ms 295716 KB Output is correct
60 Correct 1088 ms 294656 KB Output is correct
61 Correct 1360 ms 294068 KB Output is correct
62 Correct 1149 ms 290812 KB Output is correct
63 Correct 151 ms 272696 KB Output is correct
64 Correct 134 ms 272760 KB Output is correct
65 Correct 135 ms 272728 KB Output is correct
66 Correct 135 ms 272708 KB Output is correct
67 Correct 133 ms 272640 KB Output is correct
68 Correct 134 ms 272748 KB Output is correct
69 Correct 140 ms 272648 KB Output is correct
70 Correct 142 ms 272764 KB Output is correct
71 Correct 142 ms 272748 KB Output is correct
72 Correct 136 ms 272656 KB Output is correct
73 Correct 139 ms 272760 KB Output is correct
74 Correct 138 ms 272628 KB Output is correct
75 Correct 169 ms 272796 KB Output is correct
76 Correct 138 ms 272660 KB Output is correct
77 Correct 135 ms 272728 KB Output is correct
78 Correct 135 ms 272664 KB Output is correct
79 Correct 2128 ms 295744 KB Output is correct
80 Execution timed out 4102 ms 292716 KB Time limit exceeded
81 Halted 0 ms 0 KB -