QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#239471 | #5668. Cell Nuclei Detection | ItsJerr# | AC ✓ | 5714ms | 28476kb | C++20 | 2.9kb | 2023-11-04 20:49:45 | 2023-11-04 20:49:45 |
Judging History
answer
/*input
3
2 2
1 1 3 3
3 3 5 5
2 2 4 4
4 4 6 6
2 3
1 1 3 3
3 3 5 5
1 3 3 5
2 1 4 5
3 1 5 3
3 3
1 1 2 2
2 2 3 3
3 3 4 4
1 1 3 3
2 2 4 4
3 3 5 5
*/
#include <bits/stdc++.h>
using namespace std;
#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
const int N = 2005;
map<tuple<int, int, int, int>, vector<int>> ve;
//vector<int> ve[N][6][N][6];
const int M = 4e5 + 1e2;
bool dfs(int a, int L, vector<vi>& g, vi& btoa, vi& A, vi& B) {
if (A[a] != L) return 0;
A[a] = -1;
for (int b : g[a]) if (B[b] == L + 1) {
B[b] = 0;
if (btoa[b] == -1 || dfs(btoa[b], L + 1, g, btoa, A, B))
return btoa[b] = a, 1;
}
return 0;
}
int hopcroftKarp(vector<vi>& g, vi& btoa) {
int res = 0;
vi A(g.size()), B(btoa.size()), cur, next;
for (;;) {
fill(all(A), 0);
fill(all(B), 0);
cur.clear();
for (int a : btoa) if (a != -1) A[a] = -1;
rep(a, 0, sz(g)) if (A[a] == 0) cur.push_back(a);
for (int lay = 1;; lay++) {
bool islast = 0;
next.clear();
for (int a : cur) for (int b : g[a]) {
if (btoa[b] == -1) {
B[b] = lay;
islast = 1;
}
else if (btoa[b] != a && !B[b]) {
B[b] = lay;
next.push_back(btoa[b]);
}
}
if (islast) break;
if (next.empty()) return res;
for (int a : next) A[a] = lay;
cur.swap(next);
}
rep(a, 0, sz(g))
res += dfs(a, 0, g, btoa, A, B);
}
return res;
}
vector<int> ke[M];
int main() {
cin.tie(0)->sync_with_stdio(0);
int t;
cin >> t;
while (t-- > 0)
{
ve.clear();
int n , m;
cin >> n >> m;
for (int i = 1; i <= n; ++i)
{
int x, y, u, v;
cin >> x >> y >> u >> v;
ve[make_tuple(x, u - x, y, v - y)].push_back(i);
}
for (int i = 1; i <= m; ++i) ke[i].clear();
for (int i = 1; i <= m; ++i)
{
int x, y, u, v;
cin >> x >> y >> u >> v;
for (int X = x - 4; X <= u; ++X)
{
for (int Y = y - 4; Y <= v; ++Y)
{
for (int U = X; U <= X + 4; ++U)
{
for (int V = Y; V <= Y + 4; ++V)
{
int area = (V - Y) * (U - X);
int A = max(x, X);
int B = max(y, Y);
int C = min(u, U);
int D = min(v, V);
if (C < A || D < B) continue;
if (2 * (C - A) * (D - B) < area) continue;
if (ve.find(make_tuple(X, U - X, Y, V - Y)) == ve.end()) continue;
for (auto h : ve[make_tuple(X, U - X, Y, V - Y)])
ke[i].push_back(h + m);
}
}
}
}
}
/*for (int i = 1; i <= m; ++i)
{
for (auto h : ke[i]) cout << h << ' ';
cout << '\n';
}*/
// cout << hopcroftKarps
vector<vector<int>> g;
g.resize(m);
for (int i = 0; i < m; ++i) {
for (int j : ke[i + 1]) {
j -= m + 1;
g[i].push_back(j);
}
}
vi btoa(n, -1); cout << hopcroftKarp(g, btoa) << '\n';
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 13132kb
input:
3 2 2 1 1 3 3 3 3 5 5 2 2 4 4 4 4 6 6 2 3 1 1 3 3 3 3 5 5 1 3 3 5 2 1 4 5 3 1 5 3 3 3 1 1 2 2 2 2 3 3 3 3 4 4 1 1 3 3 2 2 4 4 3 3 5 5
output:
0 1 3
result:
ok 3 lines
Test #2:
score: 0
Accepted
time: 3ms
memory: 13132kb
input:
3 2 2 1 1 3 3 3 3 5 5 2 2 4 4 4 4 6 6 2 3 1 1 3 3 3 3 5 5 1 3 3 5 2 1 4 5 3 1 5 3 3 3 1 1 2 2 2 2 3 3 3 3 4 4 1 1 3 3 2 2 4 4 3 3 5 5
output:
0 1 3
result:
ok 3 lines
Test #3:
score: 0
Accepted
time: 4920ms
memory: 28476kb
input:
5 50000 50000 0 0 4 4 4 0 8 4 8 0 12 4 12 0 16 4 16 0 20 4 20 0 24 4 24 0 28 4 28 0 32 4 32 0 36 4 36 0 40 4 40 0 44 4 44 0 48 4 48 0 52 4 52 0 56 4 56 0 60 4 60 0 64 4 64 0 68 4 68 0 72 4 72 0 76 4 76 0 80 4 80 0 84 4 84 0 88 4 88 0 92 4 92 0 96 4 96 0 100 4 100 0 104 4 104 0 108 4 108 0 112 4 112 ...
output:
50000 50000 0 50000 3150
result:
ok 5 lines
Test #4:
score: 0
Accepted
time: 4237ms
memory: 28052kb
input:
5 50000 50000 0 0 1 1 1 0 2 1 2 0 3 1 3 0 4 1 4 0 5 1 5 0 6 1 6 0 7 1 7 0 8 1 8 0 9 1 9 0 10 1 10 0 11 1 11 0 12 1 12 0 13 1 13 0 14 1 14 0 15 1 15 0 16 1 16 0 17 1 17 0 18 1 18 0 19 1 19 0 20 1 20 0 21 1 21 0 22 1 22 0 23 1 23 0 24 1 24 0 25 1 25 0 26 1 26 0 27 1 27 0 28 1 28 0 29 1 29 0 30 1 30 0 ...
output:
50000 25050 12500 16000 8000
result:
ok 5 lines
Test #5:
score: 0
Accepted
time: 2735ms
memory: 21744kb
input:
5 50000 50000 0 0 2 4 4 0 7 1 8 0 10 1 12 0 15 3 16 0 19 1 20 0 22 2 24 0 26 4 28 0 30 4 32 0 36 3 36 0 40 1 40 0 44 1 44 0 47 2 48 0 49 3 52 0 54 1 56 0 59 4 60 0 64 3 64 0 68 3 68 0 70 1 72 0 76 4 76 0 80 3 80 0 84 4 84 0 87 2 88 0 90 1 92 0 94 4 96 0 98 1 100 0 104 1 104 0 107 2 108 0 110 4 112 0...
output:
10594 10779 10618 10381 10779
result:
ok 5 lines
Test #6:
score: 0
Accepted
time: 5714ms
memory: 28420kb
input:
5 50000 50000 0 0 4 4 1 0 5 4 2 0 6 4 3 0 7 4 4 0 8 4 5 0 9 4 6 0 10 4 7 0 11 4 8 0 12 4 9 0 13 4 10 0 14 4 11 0 15 4 12 0 16 4 13 0 17 4 14 0 18 4 15 0 19 4 16 0 20 4 17 0 21 4 18 0 22 4 19 0 23 4 20 0 24 4 21 0 25 4 22 0 26 4 23 0 27 4 24 0 28 4 25 0 29 4 26 0 30 4 27 0 31 4 28 0 32 4 29 0 33 4 30...
output:
50000 50000 50000 50000 49600
result:
ok 5 lines
Test #7:
score: 0
Accepted
time: 3ms
memory: 12908kb
input:
1 4 4 1 1 3 3 2 1 4 3 1 2 3 4 2 2 4 4 2 1 4 3 3 2 5 4 1 2 3 4 2 3 4 5
output:
3
result:
ok single line: '3'