Submission #229709

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
2297092020-05-06 01:43:27combi1k1Rectangles (IOI19_rect)C++14
0 / 100
6 ms1024 KiB
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ld double
#define sz(x) (int)x.size()
#define all(x) x.begin(),x.end()
#define pb emplace_back
#define X first
#define Y second
const int N = 2e5 + 5;
typedef pair<int,int> ii;
typedef vector<int> vi;
typedef vector<vi> mtx;
typedef pair<ii,ii> rec;
ll count_rectangles(mtx A) {
int n = sz(A);
int m = sz(A[0]);
mtx l(n,vi(m,m + 5));
mtx u(n,vi(m,n + 5));
mtx r(n,vi(m,-5));
mtx d(n,vi(m,-5));
 
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