oj.uz

답안 #587352

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
587352 2022-07-01T17:05:20 Z Do_you_copy 무지개나라 (APIO17_rainbow) C++14
100 / 100
 1242 ms 136600 KB 
#include <bits/stdc++.h>
#include <rainbow.h>
#define taskname "test"
#define fi first
#define se second
#define pb push_back
#define faster ios_base::sync_with_stdio(0); cin.tie(0);
using namespace std;

using ll = long long;
using pii = pair <int, int>;

ll min(const ll &a, const ll &b){
    return (a < b) ? a : b;
}

ll max(const ll &a, const ll &b){
    return (a > b) ? a : b;
}

const ll Mod = 1000000007;
const int maxR = 2e5 + 1;
int n;

struct bit2d{
    vector <vector <int>> node, bit;
    int sizee;
    void set_size(int n){
        node.resize(n + 1);
        bit.resize(n + 1);
        sizee = n;
    }
    void fakeUpdate(int x, int y){
        for (; x <= sizee; x += x & -x){
            node[x].pb(y);
        }
    }
    void build(){
        for (int x = 1; x <= sizee; ++x){
            sort(node[x].begin(), node[x].end());
            node[x].resize(unique(node[x].begin(), node[x].end()) - node[x].begin());
            bit[x].resize(node[x].size() + 1);
        }
    }
    void update(int x, int yy){
        for (int i = x; i <= sizee; i += i & -i){
            int y = upper_bound(node[i].begin(), node[i].end(), yy) - node[i].begin();
            for (int j = y; j < bit[i].size(); j += j & -j){
                ++bit[i][j];
            }
        }
    }
    int get(int x, int yy){
        int sum = 0;
        for (int i = x; i > 0; i -= i & -i){
            int y = upper_bound(node[i].begin(), node[i].end(), yy) - node[i].begin();
            for (int j = y; j > 0; j -= j & -j){
                sum += bit[i][j];
            }
        }
        return sum;
    }
    int get(int x1, int y1, int x2, int y2){
        if (x1 > x2 || y1 > y2) return 0;
        return get(x2, y2) + get(x1 - 1, y1 - 1) - get(x2, y1 - 1) - get(x1 - 1, y2);
    }
};

bit2d vertices, horizontal_edges, vertical_edges, rivers; //unique
set <pii> r, c, b, v;

void add(int i, int j){
    b.insert({i, j});
    r.insert({i, j});
    r.insert({i + 1, j});
    c.insert({i, j});
    c.insert({i, j + 1});
    v.insert({i, j});
    v.insert({i + 1, j});
    v.insert({i, j + 1});
    v.insert({i + 1, j + 1});
}

int minr, maxr, minc, maxc;
void init(int R, int C, int sr, int sc, int M, char *s) {
    rivers.set_size(R + 1);
    horizontal_edges.set_size(R + 1);
    vertical_edges.set_size(R + 1);
    vertices.set_size(R + 1);
    minr = maxr = sr; minc = maxc = sc;
    add(sr, sc);
    for (int i = 0; i < M; ++i){
        if (s[i] == 'W') --sc;
        if (s[i] == 'E') ++sc;
        if (s[i] == 'N') --sr;
        if (s[i] == 'S') ++sr;
        add(sr, sc);
        minr = min(minr, sr);
        minc = min(minc, sc);
        maxr = max(maxr, sr);
        maxc = max(maxc, sc);
    }
    //get space to allocate and update
    for (const auto &i: b){
        rivers.fakeUpdate(i.fi, i.se);
    }
    for (const auto &i: r){
        horizontal_edges.fakeUpdate(i.fi, i.se);
    }
    for (const auto &i: c){
        vertical_edges.fakeUpdate(i.fi, i.se);
    }
    for (const auto &i: v){
        vertices.fakeUpdate(i.fi, i.se);
    }
    rivers.build();
    horizontal_edges.build();
    vertical_edges.build();
    vertices.build();
    for (const auto &i: b){
        rivers.update(i.fi, i.se);
    }
    for (const auto &i: r){
        horizontal_edges.update(i.fi, i.se);
    }
    for (const auto &i: c){
        vertical_edges.update(i.fi, i.se);
    }
    for (const auto &i: v){
        vertices.update(i.fi, i.se);
    }
}

//statement??? "colour" is supposed to be plural
int colour(int ar, int ac, int br, int bc){
    int C = 1 + (ar < minr && br > maxr && ac < minc && bc > maxc);
    int E = horizontal_edges.get(ar + 1, ac, br, bc) + vertical_edges.get(ar, ac + 1, br, bc);
    int V = vertices.get(ar + 1, ac + 1, br, bc);
    int R = rivers.get(ar, ac, br, bc);
    return E + C - R - V;
}

Compilation message

rainbow.cpp: In member function 'void bit2d::update(int, int)':
rainbow.cpp:48:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |             for (int j = y; j < bit[i].size(); j += j & -j){
      |                             ~~^~~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 5 ms 596 KB Output is correct
3 Correct 2 ms 320 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 5 ms 700 KB Output is correct
6 Correct 1 ms 308 KB Output is correct
7 Correct 0 ms 308 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 4 ms 468 KB Output is correct
12 Correct 4 ms 596 KB Output is correct
13 Correct 6 ms 852 KB Output is correct
14 Correct 7 ms 980 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 292 ms 24420 KB Output is correct
4 Correct 459 ms 38264 KB Output is correct
5 Correct 469 ms 38000 KB Output is correct
6 Correct 439 ms 30064 KB Output is correct
7 Correct 467 ms 29808 KB Output is correct
8 Correct 70 ms 3956 KB Output is correct
9 Correct 460 ms 38372 KB Output is correct
10 Correct 478 ms 37948 KB Output is correct
11 Correct 466 ms 29988 KB Output is correct
12 Correct 357 ms 35588 KB Output is correct
13 Correct 389 ms 38228 KB Output is correct
14 Correct 396 ms 37880 KB Output is correct
15 Correct 394 ms 29960 KB Output is correct
16 Correct 347 ms 28440 KB Output is correct

Subtask #3
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 882 ms 131372 KB Output is correct
3 Correct 470 ms 121672 KB Output is correct
4 Correct 760 ms 128520 KB Output is correct
5 Correct 487 ms 110260 KB Output is correct
6 Correct 226 ms 74100 KB Output is correct
7 Correct 378 ms 82576 KB Output is correct
8 Correct 355 ms 32784 KB Output is correct
9 Correct 330 ms 30376 KB Output is correct
10 Correct 135 ms 39308 KB Output is correct
11 Correct 259 ms 50772 KB Output is correct
12 Correct 864 ms 131440 KB Output is correct
13 Correct 480 ms 121756 KB Output is correct
14 Correct 751 ms 128532 KB Output is correct
15 Correct 469 ms 110244 KB Output is correct
16 Correct 218 ms 71956 KB Output is correct
17 Correct 411 ms 86108 KB Output is correct
18 Correct 823 ms 131068 KB Output is correct
19 Correct 682 ms 127056 KB Output is correct
20 Correct 788 ms 133120 KB Output is correct
21 Correct 355 ms 32836 KB Output is correct
22 Correct 348 ms 30412 KB Output is correct
23 Correct 134 ms 39320 KB Output is correct
24 Correct 274 ms 50848 KB Output is correct
25 Correct 864 ms 131384 KB Output is correct
26 Correct 458 ms 121616 KB Output is correct
27 Correct 784 ms 128556 KB Output is correct
28 Correct 476 ms 110216 KB Output is correct
29 Correct 215 ms 71896 KB Output is correct
30 Correct 411 ms 86100 KB Output is correct
31 Correct 843 ms 131132 KB Output is correct
32 Correct 672 ms 127092 KB Output is correct
33 Correct 812 ms 132948 KB Output is correct

Subtask #4
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 5 ms 596 KB Output is correct
3 Correct 2 ms 320 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 5 ms 700 KB Output is correct
6 Correct 1 ms 308 KB Output is correct
7 Correct 0 ms 308 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 4 ms 468 KB Output is correct
12 Correct 4 ms 596 KB Output is correct
13 Correct 6 ms 852 KB Output is correct
14 Correct 7 ms 980 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 721 ms 27120 KB Output is correct
19 Correct 225 ms 4828 KB Output is correct
20 Correct 155 ms 3924 KB Output is correct
21 Correct 158 ms 4140 KB Output is correct
22 Correct 188 ms 4332 KB Output is correct
23 Correct 192 ms 4728 KB Output is correct
24 Correct 185 ms 4036 KB Output is correct
25 Correct 176 ms 4332 KB Output is correct
26 Correct 228 ms 4524 KB Output is correct
27 Correct 427 ms 21616 KB Output is correct
28 Correct 359 ms 13068 KB Output is correct
29 Correct 410 ms 19996 KB Output is correct
30 Correct 739 ms 50476 KB Output is correct
31 Correct 3 ms 340 KB Output is correct
32 Correct 508 ms 23040 KB Output is correct

Subtask #5
26.0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 5 ms 596 KB Output is correct
3 Correct 2 ms 320 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 5 ms 700 KB Output is correct
6 Correct 1 ms 308 KB Output is correct
7 Correct 0 ms 308 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 4 ms 468 KB Output is correct
12 Correct 4 ms 596 KB Output is correct
13 Correct 6 ms 852 KB Output is correct
14 Correct 7 ms 980 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 721 ms 27120 KB Output is correct
19 Correct 225 ms 4828 KB Output is correct
20 Correct 155 ms 3924 KB Output is correct
21 Correct 158 ms 4140 KB Output is correct
22 Correct 188 ms 4332 KB Output is correct
23 Correct 192 ms 4728 KB Output is correct
24 Correct 185 ms 4036 KB Output is correct
25 Correct 176 ms 4332 KB Output is correct
26 Correct 228 ms 4524 KB Output is correct
27 Correct 427 ms 21616 KB Output is correct
28 Correct 359 ms 13068 KB Output is correct
29 Correct 410 ms 19996 KB Output is correct
30 Correct 739 ms 50476 KB Output is correct
31 Correct 3 ms 340 KB Output is correct
32 Correct 508 ms 23040 KB Output is correct
33 Correct 882 ms 131372 KB Output is correct
34 Correct 470 ms 121672 KB Output is correct
35 Correct 760 ms 128520 KB Output is correct
36 Correct 487 ms 110260 KB Output is correct
37 Correct 226 ms 74100 KB Output is correct
38 Correct 378 ms 82576 KB Output is correct
39 Correct 355 ms 32784 KB Output is correct
40 Correct 330 ms 30376 KB Output is correct
41 Correct 135 ms 39308 KB Output is correct
42 Correct 259 ms 50772 KB Output is correct
43 Correct 864 ms 131440 KB Output is correct
44 Correct 480 ms 121756 KB Output is correct
45 Correct 751 ms 128532 KB Output is correct
46 Correct 469 ms 110244 KB Output is correct
47 Correct 218 ms 71956 KB Output is correct
48 Correct 411 ms 86108 KB Output is correct
49 Correct 823 ms 131068 KB Output is correct
50 Correct 682 ms 127056 KB Output is correct
51 Correct 788 ms 133120 KB Output is correct
52 Correct 355 ms 32836 KB Output is correct
53 Correct 348 ms 30412 KB Output is correct
54 Correct 134 ms 39320 KB Output is correct
55 Correct 274 ms 50848 KB Output is correct
56 Correct 864 ms 131384 KB Output is correct
57 Correct 458 ms 121616 KB Output is correct
58 Correct 784 ms 128556 KB Output is correct
59 Correct 476 ms 110216 KB Output is correct
60 Correct 215 ms 71896 KB Output is correct
61 Correct 411 ms 86100 KB Output is correct
62 Correct 843 ms 131132 KB Output is correct
63 Correct 672 ms 127092 KB Output is correct
64 Correct 812 ms 132948 KB Output is correct
65 Correct 292 ms 24420 KB Output is correct
66 Correct 459 ms 38264 KB Output is correct
67 Correct 469 ms 38000 KB Output is correct
68 Correct 439 ms 30064 KB Output is correct
69 Correct 467 ms 29808 KB Output is correct
70 Correct 70 ms 3956 KB Output is correct
71 Correct 460 ms 38372 KB Output is correct
72 Correct 478 ms 37948 KB Output is correct
73 Correct 466 ms 29988 KB Output is correct
74 Correct 357 ms 35588 KB Output is correct
75 Correct 389 ms 38228 KB Output is correct
76 Correct 396 ms 37880 KB Output is correct
77 Correct 394 ms 29960 KB Output is correct
78 Correct 347 ms 28440 KB Output is correct
79 Correct 654 ms 36240 KB Output is correct
80 Correct 665 ms 33844 KB Output is correct
81 Correct 420 ms 42788 KB Output is correct
82 Correct 501 ms 54248 KB Output is correct
83 Correct 1242 ms 134956 KB Output is correct
84 Correct 785 ms 125172 KB Output is correct
85 Correct 1172 ms 132100 KB Output is correct
86 Correct 778 ms 113988 KB Output is correct
87 Correct 411 ms 75480 KB Output is correct
88 Correct 604 ms 89604 KB Output is correct
89 Correct 1037 ms 134556 KB Output is correct
90 Correct 1014 ms 130500 KB Output is correct
91 Correct 1000 ms 136600 KB Output is correct