/*
Uruchamiamy samolot zwiadowczy ( + 500% do wzlamaniej )
/▄/ /█/ /◐/ /▐/ /▌/ /▀/ /░/ / / choose your own style!
***IT'S OUR LONG WAY TO THE OIILLLL***
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*/
//#pragma GCC target("avx2")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4")
#include <bits/stdc++.h>
using namespace std ;
#include <ext/pb_ds/detail/standard_policies.hpp>
//#include <boost/multiprecision/cpp_int.hpp>
//using namespace boost::multiprecision;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;template <typename T> using ordered_set = tree <T, null_type, less< T >, rb_tree_tag,tree_order_statistics_node_update>;
namespace fastio {template <class T> ostream &operator<<(ostream &os, const vector<T> &container) {for (auto &u : container)os << u << " ";return os;} template<class T1, class T2> ostream& operator << (ostream& os, const pair<T1, T2>& p) {return os << p.first << " " << p.second;}template <class T> ostream &operator<<(ostream &os, set<T> const& con) { for (auto &u : con) os << u << " ";return os;} void pr() {} template <typename T, typename... args> void pr(T x, args... tail) {cout << x << " ";pr(tail...);}} using namespace fastio;
#define pb push_back
#define ll long long
#define ld long double
#define fi first
#define se second
#define F first
#define S second
#define pii pair < int , int >
#define __ <<" "<<
#define TIME 1.0 * clock() / CLOCKS_PER_SEC
mt19937_64 gen(chrono::high_resolution_clock::now().time_since_epoch().count());
const int N = 2e5 + 5;
int cnt[N];
int t[N];
ll count_rectangles(vector < vector < int > > a){
int n = a.size();
int m = a[0].size();
if (n <= 3){
if (n <= 2) return 0;
int start = 0;
ll ans = 0;
int i = 1;
for (int i = 1; i + 1 < m; ++i){
int mx = -1;
for (int j = i; j + 1 < m; ++j){
mx = max(mx, a[1][j]);
if (a[1][j] >= a[0][j] || a[1][j] >= a[2][j]) break;
if (mx >= a[1][i - 1] || mx >= a[1][j + 1]) continue;;
++ans;
}
}
return ans;
}
int ans = 0;
for (int i = 1; i + 1 < n; ++i)
for (int j = 1; j + 1 < m; ++j){
if (a[i][j] >= a[i - 1][j] || a[i][j] >= a[i][j - 1]) continue;
for (int i1 = i; i1 + 1 < n; ++i1)
for (int j1 = j; j1 + 1 < m; ++j1){
for (int k = i; k <= i1; ++k){
if (a[k][j1] >= min(a[i - 1][j1], a[i1 + 1][j1]) ||
a[k][j1] >= a[k][j - 1]) break;
bool bad = 0;
for (int I = i; I <= i1 && !bad; ++I)
for (int J = j; J <= j1; ++J)
if (a[I][J] >= min(a[I][j - 1], a[I][j1 + 1])){
bad = 1;
break;
}
ans += !bad;
}
}
}
return ans;
}
#ifdef Estb_probitie
main() {
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
int n, m;
cin >> n >> m;
vector < vector < int > > v;
vector < int > a;
for (int i = 0; i < n; ++i){
for (int j = 0; j < m; ++j){\
int x;
cin >> x;
a.pb(x);
}
v.pb(a);
a.clear();
}
cout << count_rectangles(v);
}
#endif // Estb_probitie
Compilation message
rect.cpp: In function 'long long int count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:62:13: warning: unused variable 'start' [-Wunused-variable]
int start = 0;
^~~~~
rect.cpp:64:13: warning: unused variable 'i' [-Wunused-variable]
int i = 1;
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
256 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
256 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
256 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
256 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
384 KB |
Output is correct |
| 2 |
Correct |
4 ms |
384 KB |
Output is correct |
| 3 |
Correct |
1 ms |
384 KB |
Output is correct |
| 4 |
Correct |
0 ms |
256 KB |
Output is correct |
| 5 |
Correct |
1 ms |
384 KB |
Output is correct |
| 6 |
Correct |
1 ms |
416 KB |
Output is correct |
| 7 |
Correct |
1 ms |
384 KB |
Output is correct |
| 8 |
Correct |
1 ms |
384 KB |
Output is correct |
| 9 |
Correct |
1 ms |
384 KB |
Output is correct |
| 10 |
Correct |
1 ms |
384 KB |
Output is correct |
| 11 |
Correct |
0 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
256 KB |
Output is correct |
| 2 |
Execution timed out |
5092 ms |
28468 KB |
Time limit exceeded |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
256 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
