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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#160762#7105. Pixel Artucup-team004#AC ✓357ms13628kbC++202.3kb2023-09-02 21:20:502023-09-04 04:30:57

Judging History

你现在查看的是最新测评结果

  • [2023-09-04 04:30:57]
  • 自动重测本题所有获得100分的提交记录
  • 测评结果:AC
  • 用时:357ms
  • 内存:13628kb
  • [2023-09-02 21:20:50]
  • 评测
  • 测评结果:100
  • 用时:363ms
  • 内存:13788kb
  • [2023-09-02 21:20:50]
  • 提交

answer

#include <bits/stdc++.h>

using i64 = long long;

void solve() {
    int n, m, k;
    std::cin >> n >> m >> k;
    
    std::vector<int> r1(k), r2(k), c1(k), c2(k);
    std::vector<std::vector<int>> add(n);
    std::vector<std::vector<int>> del(n);
    
    for (int i = 0; i < k; i++) {
        std::cin >> r1[i] >> c1[i] >> r2[i] >> c2[i];
        r1[i]--, c1[i]--;
        add[r1[i]].push_back(i);
        if (r2[i] < n) {
            del[r2[i]].push_back(i);
        }
    }
    
    std::vector<int> f(k);
    std::iota(f.begin(), f.end(), 0);
    auto find = [&](int x) {
        while (f[x] != x) {
            x = f[x] = f[f[x]];
        }
        return x;
    };
    
    i64 ans = 0;
    int comp = 0;
    int width = 0;
    auto merge = [&](int x, int y) {
        x = find(x);
        y = find(y);
        if (x != y) {
            f[y] = x;
            comp--;
        }
    };
    
    std::set<std::array<int, 3>> s;
    for (int x = 0; x < n; x++) {
        for (auto i : add[x]) {
            auto it = s.lower_bound({c1[i], 0, 0});
            if (it != s.begin()) {
                it--;
            }
            while (it != s.end() && (*it)[0] < c2[i]) {
                if ((*it)[1] > c1[i]) {
                    merge((*it)[2], i);
                }
                it++;
            }
        }
        for (auto i : del[x]) {
            width -= c2[i] - c1[i];
            s.erase({c1[i], c2[i], i});
        }
        for (auto i : add[x]) {
            auto it = s.insert({c1[i], c2[i], i}).first;
            if (it != s.begin()) {
                auto prv = std::prev(it);
                if ((*prv)[1] == c1[i]) {
                    merge((*prv)[2], i);
                }
            }
            auto nxt = std::next(it);
            if (nxt != s.end()) {
                if ((*nxt)[0] == c2[i]) {
                    merge((*nxt)[2], i);
                }
            }
            width += c2[i] - c1[i];
            comp++;
        }
        ans += width;
        std::cout << ans << " " << comp << "\n";
    }
}

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    
    int t;
    std::cin >> t;
    
    while (t--) {
        solve();
    }
    
    return 0;
}

这程序好像有点Bug,我给组数据试试?

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 3492kb

input:

3
2 5 2
1 1 1 2
2 3 2 5
2 5 2
1 1 1 3
2 3 2 5
3 3 3
1 1 1 2
3 1 3 2
1 3 2 3

output:

2 1
5 2
3 1
6 1
3 1
4 1
6 2

result:

ok 7 lines

Test #2:

score: 0
Accepted
time: 357ms
memory: 13628kb

input:

2130
2 5 2
1 1 1 2
2 3 2 5
2 5 2
1 1 1 3
2 3 2 5
3 3 3
1 1 1 2
3 1 3 2
1 3 2 3
3 100 51
1 2 2 2
1 4 2 4
1 6 2 6
1 8 2 8
1 10 2 10
1 12 2 12
1 14 2 14
1 16 2 16
1 18 2 18
1 20 2 20
1 22 2 22
1 24 2 24
1 26 2 26
1 28 2 28
1 30 2 30
1 32 2 32
1 34 2 34
1 36 2 36
1 38 2 38
1 40 2 40
1 42 2 42
1 44 2 44
...

output:

2 1
5 2
3 1
6 1
3 1
4 1
6 2
50 50
100 50
200 1
50 50
150 1
200 1
2 1
4 1
6 1
8 1
10 1
12 1
14 1
16 1
18 1
20 1
22 1
24 1
26 1
28 1
30 1
32 1
34 1
36 1
38 1
40 1
42 1
44 1
46 1
48 1
50 1
52 1
54 1
56 1
58 1
60 1
62 1
64 1
66 1
68 1
70 1
72 1
74 1
76 1
78 1
80 1
82 1
84 1
86 1
88 1
90 1
92 1
94 1
96 1...

result:

ok 355756 lines

Extra Test:

score: 0
Extra Test Passed