oj.uz

Submission #685269

# Submission time Handle Problem Language Result Execution time Memory
685269 2023-01-23T19:55:50 Z smartmonky Luxury burrow (IZhO13_burrow) C++14
100 / 100
 1082 ms 16284 KB 
#include <bits/stdc++.h>
 
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define int long long
 
using namespace std;
const int N = 2e5 + 5;
 
main(){
	int n, m, k;
	cin >> n >> m >> k;
	vector < vector <int> >  v (n + 1, vector <int> (m + 1));
	for(int i = 1; i <= n; i++){
		for(int j = 1; j <= m; j++){
			cin >> v[i][j];
		}
	}
	int ans = 0;
	auto check = [&](int x){
			vector < vector <int> > p(n + 1, vector <int> (m + 1, 0));
			for(int i = 1; i <= n; i++){
				for(int j = 1; j <= m; j++){
					if(v[i][j] >= x)
					p[i][j] = 1 + p[i - 1][j];
				}
			}
			ans = 0;
			for(int i = 1; i <= n; i++){
				deque <int> q;
				for(int j = 1 ; j <= m; j++){
					int ind = j;
					while(!q.empty() && p[i][j] <= p[i][q.front()]){
						ans = max(ans, p[i][q.front()] * (j - q.front()));
						p[i][q.front()] = p[i][j];
						ind = min(ind, q.front());
						q.pop_front();
					}
					q.push_front(ind);
				}
				while(!q.empty()){
					ans = max(((m + 1) - q.front()) * p[i][q.front()], ans);
					q.pop_front();
				}
			}
			return (ans >= k);
	};
	int l = 0, r = 1e9;
	while(r - l > 1){
		int mid = (l + r) >> 1;
		if(check(mid)){
			l = mid;
		}else
			r = mid;
	}
	check(l);
	cout << l <<" " << ans;
}

Compilation message

burrow.cpp:13:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   13 | main(){
      | ^~~~

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 2 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 9 ms 340 KB Output is correct
9 Correct 19 ms 596 KB Output is correct
10 Correct 46 ms 984 KB Output is correct
11 Correct 60 ms 1276 KB Output is correct
12 Correct 44 ms 1108 KB Output is correct
13 Correct 59 ms 1140 KB Output is correct
14 Correct 147 ms 2960 KB Output is correct
15 Correct 150 ms 2848 KB Output is correct
16 Correct 154 ms 2820 KB Output is correct
17 Correct 240 ms 4216 KB Output is correct
18 Correct 313 ms 5992 KB Output is correct
19 Correct 482 ms 8104 KB Output is correct
20 Correct 634 ms 10388 KB Output is correct
21 Correct 712 ms 13076 KB Output is correct
22 Correct 1082 ms 16168 KB Output is correct
23 Correct 869 ms 16256 KB Output is correct
24 Correct 807 ms 12232 KB Output is correct
25 Correct 1012 ms 16284 KB Output is correct