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Submission #250895

# Submission time Handle Problem Language Result Execution time Memory
250895 2020-07-19T11:08:08 Z receed Land of the Rainbow Gold (APIO17_rainbow) C++14
100 / 100
 786 ms 74876 KB 
#include "rainbow.h"
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <vector>
#include <algorithm>
#include <cmath>
#include <cstring>
#include <cassert>
#include <string>
#include <set>
#include <map>
#include <random>
#include <bitset>
#include <string>
#include <unordered_set>
#include <unordered_map>
#include <deque>
#include <queue>
#define rep(i, n) for (int i = 0; i < (n); i++)
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()

using namespace std;
using ll = long long;
using ul = unsigned long long;
using ld = long double;

const int N = 1 << 18, M = N * 40;
int tr[M], lv[M], rv[M], sz = 1, rt[N];
set<pair<int, int>> ss, ts;
map<int, vector<int>> mh, mv;
int lx, rx, ly, ry;

int add(int v, int p, int x, int l=0, int r=N) {
    int cv = sz++;
    tr[cv] = tr[v] + x;
    if (r - l == 1)
        lv[cv] = rv[cv] = -1;
    else if (p < (l + r) / 2) {
        lv[cv] = add(lv[v], p, x, l, (l + r) / 2);
        rv[cv] = rv[v];
    }
    else {
        lv[cv] = lv[v];
        rv[cv] = add(rv[v], p, x, (l + r) / 2, r);
    }
    return cv;
}

int sum(int v, int cl, int cr, int l=0, int r=N) {
    if (v == -1 || cr <= l || r <= cl)
        return 0;
    if (cl <= l && r <= cr)
        return tr[v];
    return sum(lv[v], cl, cr, l, (l + r) / 2) + sum(rv[v], cl, cr, (l + r) / 2, r);
}

void init(int r, int c, int sr, int sc, int m, char *s) {
    lx = rx = sr;
    ly = ry = sc;
    ss.insert({sr, sc});
    rep(i, m) {
        if (s[i] == 'N') sr--;
        else if (s[i] == 'S') sr++;
        else if (s[i] == 'W') sc--;
        else sc++;
        lx = min(lx, sr);
        rx = max(rx, sr);
        ly = min(ly, sc);
        ry = max(ry, sc);
        ss.insert({sr, sc});
    }
    for (auto &p : ss) {
        // cout << p.first << ' ' << p.second << '\n';
        ts.insert(p);
        if (p.first > 1) {
            ts.insert({p.first - 1, p.second});
            if (p.second > 1)
                ts.insert({p.first - 1, p.second - 1});
        }
        if (p.second > 1)
            ts.insert({p.first, p.second - 1});
    }
    int crt = 0, ls = 0;
    for (auto &p : ts) {
        while (ls < p.first)
            rt[ls++] = crt;
        int val = -1;
        if (ss.count(p)) {
            val += 1;
            if (!ss.count({p.first, p.second + 1}))
                mh[p.first].push_back(p.second);
            if (!ss.count({p.first + 1, p.second}))
                mv[p.second].push_back(p.first);
        }
        else {
            if (ss.count({p.first, p.second + 1}))
                val++;
            if (ss.count({p.first + 1, p.second}))
                val++;
        }
        crt = add(crt, p.second, val);
    }
    while (ls < N)
        rt[ls++] = crt;
    for (auto &p : mh)
        sort(all(p.second));
    for (auto &p : mv)
        sort(all(p.second));
}

int colour(int ar, int ac, int br, int bc) {
    ll ans = 1 + sum(rt[br - 1], ac, bc) - sum(rt[ar - 1], ac, bc);
    if (mh.count(br))
        ans += lower_bound(all(mh[br]), bc) - lower_bound(all(mh[br]), ac);
    if (mv.count(bc))
        ans += lower_bound(all(mv[bc]), br) - lower_bound(all(mv[bc]), ar);
    if (ss.count({br, ac}))
        ans--;
    if (ss.count({ar, bc}))
        ans--;
    if (ss.count({br, bc}))
        ans++;
    if (ar < lx && rx < br && ac < ly && ry < bc)
        ans++;
    return ans;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1408 KB Output is correct
2 Correct 6 ms 1792 KB Output is correct
3 Correct 5 ms 1536 KB Output is correct
4 Correct 3 ms 1536 KB Output is correct
5 Correct 4 ms 1920 KB Output is correct
6 Correct 2 ms 1408 KB Output is correct
7 Correct 1 ms 1408 KB Output is correct
8 Correct 1 ms 1408 KB Output is correct
9 Correct 1 ms 1408 KB Output is correct
10 Correct 1 ms 1408 KB Output is correct
11 Correct 3 ms 1536 KB Output is correct
12 Correct 4 ms 1664 KB Output is correct
13 Correct 5 ms 2176 KB Output is correct
14 Correct 6 ms 2176 KB Output is correct
15 Correct 1 ms 1408 KB Output is correct
16 Correct 1 ms 1408 KB Output is correct
17 Correct 2 ms 1408 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1408 KB Output is correct
2 Correct 2 ms 1408 KB Output is correct
3 Correct 394 ms 36600 KB Output is correct
4 Correct 438 ms 57976 KB Output is correct
5 Correct 492 ms 55716 KB Output is correct
6 Correct 365 ms 37908 KB Output is correct
7 Correct 428 ms 38392 KB Output is correct
8 Correct 154 ms 2168 KB Output is correct
9 Correct 472 ms 57464 KB Output is correct
10 Correct 522 ms 55416 KB Output is correct
11 Correct 388 ms 38008 KB Output is correct
12 Correct 402 ms 57080 KB Output is correct
13 Correct 338 ms 57796 KB Output is correct
14 Correct 364 ms 55672 KB Output is correct
15 Correct 258 ms 37880 KB Output is correct
16 Correct 369 ms 38520 KB Output is correct

Subtask #3
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1408 KB Output is correct
2 Correct 248 ms 71164 KB Output is correct
3 Correct 235 ms 71160 KB Output is correct
4 Correct 258 ms 71160 KB Output is correct
5 Correct 173 ms 53752 KB Output is correct
6 Correct 40 ms 11000 KB Output is correct
7 Correct 75 ms 20472 KB Output is correct
8 Correct 147 ms 47100 KB Output is correct
9 Correct 138 ms 42744 KB Output is correct
10 Correct 39 ms 12280 KB Output is correct
11 Correct 106 ms 32504 KB Output is correct
12 Correct 251 ms 71160 KB Output is correct
13 Correct 236 ms 71272 KB Output is correct
14 Correct 231 ms 71288 KB Output is correct
15 Correct 173 ms 53756 KB Output is correct
16 Correct 34 ms 9208 KB Output is correct
17 Correct 73 ms 20576 KB Output is correct
18 Correct 179 ms 60664 KB Output is correct
19 Correct 202 ms 57720 KB Output is correct
20 Correct 192 ms 57720 KB Output is correct
21 Correct 148 ms 47096 KB Output is correct
22 Correct 143 ms 42744 KB Output is correct
23 Correct 39 ms 12408 KB Output is correct
24 Correct 101 ms 32504 KB Output is correct
25 Correct 249 ms 71160 KB Output is correct
26 Correct 244 ms 71288 KB Output is correct
27 Correct 255 ms 71288 KB Output is correct
28 Correct 180 ms 53880 KB Output is correct
29 Correct 34 ms 9208 KB Output is correct
30 Correct 74 ms 20592 KB Output is correct
31 Correct 182 ms 60640 KB Output is correct
32 Correct 199 ms 57720 KB Output is correct
33 Correct 208 ms 57720 KB Output is correct

Subtask #4
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1408 KB Output is correct
2 Correct 6 ms 1792 KB Output is correct
3 Correct 5 ms 1536 KB Output is correct
4 Correct 3 ms 1536 KB Output is correct
5 Correct 4 ms 1920 KB Output is correct
6 Correct 2 ms 1408 KB Output is correct
7 Correct 1 ms 1408 KB Output is correct
8 Correct 1 ms 1408 KB Output is correct
9 Correct 1 ms 1408 KB Output is correct
10 Correct 1 ms 1408 KB Output is correct
11 Correct 3 ms 1536 KB Output is correct
12 Correct 4 ms 1664 KB Output is correct
13 Correct 5 ms 2176 KB Output is correct
14 Correct 6 ms 2176 KB Output is correct
15 Correct 1 ms 1408 KB Output is correct
16 Correct 1 ms 1408 KB Output is correct
17 Correct 2 ms 1408 KB Output is correct
18 Correct 512 ms 34536 KB Output is correct
19 Correct 215 ms 6392 KB Output is correct
20 Correct 164 ms 5112 KB Output is correct
21 Correct 179 ms 5368 KB Output is correct
22 Correct 202 ms 5624 KB Output is correct
23 Correct 206 ms 6320 KB Output is correct
24 Correct 168 ms 5240 KB Output is correct
25 Correct 184 ms 5496 KB Output is correct
26 Correct 205 ms 5752 KB Output is correct
27 Correct 306 ms 27128 KB Output is correct
28 Correct 214 ms 15096 KB Output is correct
29 Correct 291 ms 23988 KB Output is correct
30 Correct 402 ms 64120 KB Output is correct
31 Correct 4 ms 1536 KB Output is correct
32 Correct 464 ms 25568 KB Output is correct

Subtask #5
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1408 KB Output is correct
2 Correct 6 ms 1792 KB Output is correct
3 Correct 5 ms 1536 KB Output is correct
4 Correct 3 ms 1536 KB Output is correct
5 Correct 4 ms 1920 KB Output is correct
6 Correct 2 ms 1408 KB Output is correct
7 Correct 1 ms 1408 KB Output is correct
8 Correct 1 ms 1408 KB Output is correct
9 Correct 1 ms 1408 KB Output is correct
10 Correct 1 ms 1408 KB Output is correct
11 Correct 3 ms 1536 KB Output is correct
12 Correct 4 ms 1664 KB Output is correct
13 Correct 5 ms 2176 KB Output is correct
14 Correct 6 ms 2176 KB Output is correct
15 Correct 1 ms 1408 KB Output is correct
16 Correct 1 ms 1408 KB Output is correct
17 Correct 2 ms 1408 KB Output is correct
18 Correct 512 ms 34536 KB Output is correct
19 Correct 215 ms 6392 KB Output is correct
20 Correct 164 ms 5112 KB Output is correct
21 Correct 179 ms 5368 KB Output is correct
22 Correct 202 ms 5624 KB Output is correct
23 Correct 206 ms 6320 KB Output is correct
24 Correct 168 ms 5240 KB Output is correct
25 Correct 184 ms 5496 KB Output is correct
26 Correct 205 ms 5752 KB Output is correct
27 Correct 306 ms 27128 KB Output is correct
28 Correct 214 ms 15096 KB Output is correct
29 Correct 291 ms 23988 KB Output is correct
30 Correct 402 ms 64120 KB Output is correct
31 Correct 4 ms 1536 KB Output is correct
32 Correct 464 ms 25568 KB Output is correct
33 Correct 248 ms 71164 KB Output is correct
34 Correct 235 ms 71160 KB Output is correct
35 Correct 258 ms 71160 KB Output is correct
36 Correct 173 ms 53752 KB Output is correct
37 Correct 40 ms 11000 KB Output is correct
38 Correct 75 ms 20472 KB Output is correct
39 Correct 147 ms 47100 KB Output is correct
40 Correct 138 ms 42744 KB Output is correct
41 Correct 39 ms 12280 KB Output is correct
42 Correct 106 ms 32504 KB Output is correct
43 Correct 251 ms 71160 KB Output is correct
44 Correct 236 ms 71272 KB Output is correct
45 Correct 231 ms 71288 KB Output is correct
46 Correct 173 ms 53756 KB Output is correct
47 Correct 34 ms 9208 KB Output is correct
48 Correct 73 ms 20576 KB Output is correct
49 Correct 179 ms 60664 KB Output is correct
50 Correct 202 ms 57720 KB Output is correct
51 Correct 192 ms 57720 KB Output is correct
52 Correct 148 ms 47096 KB Output is correct
53 Correct 143 ms 42744 KB Output is correct
54 Correct 39 ms 12408 KB Output is correct
55 Correct 101 ms 32504 KB Output is correct
56 Correct 249 ms 71160 KB Output is correct
57 Correct 244 ms 71288 KB Output is correct
58 Correct 255 ms 71288 KB Output is correct
59 Correct 180 ms 53880 KB Output is correct
60 Correct 34 ms 9208 KB Output is correct
61 Correct 74 ms 20592 KB Output is correct
62 Correct 182 ms 60640 KB Output is correct
63 Correct 199 ms 57720 KB Output is correct
64 Correct 208 ms 57720 KB Output is correct
65 Correct 786 ms 50484 KB Output is correct
66 Correct 714 ms 46456 KB Output is correct
67 Correct 316 ms 15864 KB Output is correct
68 Correct 410 ms 36000 KB Output is correct
69 Correct 537 ms 74744 KB Output is correct
70 Correct 607 ms 74744 KB Output is correct
71 Correct 520 ms 74876 KB Output is correct
72 Correct 447 ms 57336 KB Output is correct
73 Correct 199 ms 12664 KB Output is correct
74 Correct 241 ms 24184 KB Output is correct
75 Correct 355 ms 64248 KB Output is correct
76 Correct 483 ms 61304 KB Output is correct
77 Correct 511 ms 61204 KB Output is correct
78 Correct 394 ms 36600 KB Output is correct
79 Correct 438 ms 57976 KB Output is correct
80 Correct 492 ms 55716 KB Output is correct
81 Correct 365 ms 37908 KB Output is correct
82 Correct 428 ms 38392 KB Output is correct
83 Correct 154 ms 2168 KB Output is correct
84 Correct 472 ms 57464 KB Output is correct
85 Correct 522 ms 55416 KB Output is correct
86 Correct 388 ms 38008 KB Output is correct
87 Correct 402 ms 57080 KB Output is correct
88 Correct 338 ms 57796 KB Output is correct
89 Correct 364 ms 55672 KB Output is correct
90 Correct 258 ms 37880 KB Output is correct
91 Correct 369 ms 38520 KB Output is correct