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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
#588074#7105. Pixel Artxuanbac05WA 579ms34536kbC++175.7kb2024-09-25 00:32:012024-09-25 00:32:01

Judging History

你现在查看的是最新测评结果

  • [2024-09-25 00:32:01]
  • 评测
  • 测评结果:WA
  • 用时:579ms
  • 内存:34536kb
  • [2024-09-25 00:32:01]
  • 提交

answer

#include <bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define endl '\n'
#define MASK(i) (1LL << (i))
#define ull unsigned long long
#define ld long double
#define pb push_back
#define all(x) (x).begin() , (x).end()
#define BIT(x , i) ((x >> (i)) & 1)
#define TASK "task"
#define sz(s) (int) (s).size()
 
using namespace std;
const int mxN = 5e5 + 227;
const int inf = 1e9 + 277;
const int mod = 1e9 + 7;
const ll infll = 1e18 + 7;
const int base = 307;
const int LOG = 20;
 
template <typename T1, typename T2> bool minimize(T1 &a, T2 b) {
    if (a > b) {a = b; return true;} return false;
}
template <typename T1, typename T2> bool maximize(T1 &a, T2 b) {
    if (a < b) {a = b; return true;} return false;
}

struct DSU{
    int n;
    int ok;
    vector<int> lab;
    DSU(){}
    DSU(int _n) {
        n = _n;
        ok = 0;
        lab.resize(n + 7, -1);
    }

    int root(int u) {
        return lab[u] < 0 ? u : lab[u] = root(lab[u]);
    }    

    bool union_root(int u, int v) {
        u = root(u);
        v = root(v);
        if(u == v) return false;
        if(lab[u] > lab[v]) swap(u, v);
        lab[u] += lab[v];
        lab[v] = u; 
        ++ok;
        return true;
    }

    int getComp() {
        return ok;
    }
} dsu;
  
struct SegmentRow {
    int l, r, idx;
    bool operator<(const SegmentRow &other) const {
        if(l == other.l && r == other.r) return idx < other.idx;
        if(l == other.l) return r < other.r;
        return l < other.l;
    }
};

struct SegmentCol {
    int pos, op, idx;
    bool operator<(const SegmentCol &other) const {
        return op < other.op;
    }
};

int n;
int m;
int k;
vector<SegmentCol> orderCol[mxN];
vector<SegmentRow> orderRow[mxN];

bool isIntersect(int l1, int r1, int l2, int r2) {
    int maxl = max(l1, l2);
    int minr = min(r1, r2);
    return maxl <= minr;
}

void solve()
{
    cin >> n >> m >> k;

    dsu = DSU(k);
    multiset<pair<int, int>> col;
    multiset<SegmentRow> row;
    multiset<SegmentRow> preRow;
    for(int i = 1; i <= k; i++) {
        int r1, c1, r2, c2;
        cin >> r1 >> c1 >> r2 >> c2;
        if(r1 == r2) { // row
            orderRow[r1].pb({c1, c2, i});
        }
        else { // col
            orderCol[r1].pb({c1, -1, i});
            orderCol[r2 + 1].pb({c1, 1, i});
        }
    }

    ll res = 0;
    int comp = 0;
    for(int i = 1; i <= n; i++) {
        row.clear();
        sort(all(orderRow[i]));
        sort(all(orderCol[i]));


        multiset<pair<int, int>> preCol;
        for(auto it : orderCol[i]) {
            if(it.op == 1) {
                col.erase(col.find(make_pair(it.pos, it.idx)));
                preCol.insert(make_pair(it.pos, it.idx));
            }
        }

        // col col 
        for(auto it : orderCol[i]) {
            if(it.op == -1) {
                ++comp;
                auto jt = col.lower_bound(make_pair(it.pos - 1, -1));
                if(jt != col.end()) {
                    if(it.pos - 1 <= (*jt).fi && (*jt).fi <= it.pos + 1) {
                        dsu.union_root(it.idx, (*jt).se);
                        ++jt;
                        if(jt != col.end()) {
                            if(it.pos - 1 <= (*jt).fi && (*jt).fi <= it.pos + 1) {
                                dsu.union_root(it.idx, (*jt).se);
                            }
                        }
                    }
                }

                jt = preCol.lower_bound(make_pair(it.pos, -1));
                if(jt != col.end() && (*jt).fi == it.pos) {
                    dsu.union_root(it.idx, (*jt).se);
                }
                col.insert(make_pair(it.pos, it.idx));
            }
        }

        for(auto it : orderRow[i]) {
            res += it.r - it.l + 1;
            row.insert(it);
            ++comp;
        }

        res += sz(col);

        // common row 
        auto it = row.begin();
        while(it != row.end()) {
            auto jt = it; ++jt;
            if(jt != row.end()) {
                if((*it).r + 1 == (*jt).l) {
                    dsu.union_root((*it).idx, (*jt).idx);
                }
            }
            ++it;
        }

        // row col
        it = row.begin();
        while(it != row.end()) {
            auto jt = col.lower_bound(make_pair((*it).l - 1, -1));
            while(jt != col.end() && (*jt).fi <= (*it).r + 1) {
                dsu.union_root((*it).idx, (*jt).se);
                ++jt;
            }
            ++it;
        }
        it = row.begin();
        while(it != row.end()) {
            auto jt = preCol.lower_bound(make_pair((*it).l, -1));
            while(jt != preCol.end() && (*jt).fi <= (*it).r) {
                dsu.union_root((*it).idx, (*jt).se);
                ++jt;
            }
            ++it;
        }

        // previous row current row 
        it = row.begin();
        auto jt = preRow.begin();
        while(it != row.end() && jt != preRow.end()) {
            if(isIntersect((*it).l, (*it).r, (*jt).l, (*jt).r) == true) {
                dsu.union_root((*it).idx, (*jt).idx);
            }
            if((*it).r <= (*jt).r) ++it;
            else ++jt; 
        }

        swap(preRow, row);
        row.clear();

        cout << res << ' ' << comp - dsu.getComp() << endl;
    }

    for(int i = 1; i <= max(n, m) + 1; i++) {
        orderCol[i].clear();
        orderRow[i].clear();
    }
}
 
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    // freopen(TASK".inp" , "r" , stdin);
    // freopen(TASK".out" , "w" , stdout);
 
    int tc = 1;
    cin >> tc;
    while(tc--) {
        solve();
    }
    return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 8ms
memory: 26944kb

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: -100
Wrong Answer
time: 579ms
memory: 34536kb

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:

wrong answer 10234th lines differ - expected: '63 5', found: '63 6'