oj.uz

Submission #1047696

# Submission time Handle Problem Language Result Execution time Memory
1047696 2024-08-07T15:10:04 Z vjudge1 Rectangles (IOI19_rect) C++17
0 / 100
 1 ms 604 KB 
#include "rect.h"
#include<bits/stdc++.h>
using namespace std;
#define ll long long int
#define pb push_back
#define ff first
#define all(x) x.begin(), x.end()
#define ss second
const int N = 2600, K = 15;
int rmq[N][K];

int get(int l, int r){
	int k = int(log2(r-l+1));
	return max(rmq[l][k], rmq[r-(1<<k)+1][k]);
}
long long count_rectangles(std::vector<std::vector<int> > a) {
	int n = a.size();
	int m = a[0].size();

	if(n == 3){
		vector<bool> good(m);
		for(int i = 1; i + 1 < m; ++i){
			if(a[i][1] < a[i][0] && a[i][1] < a[i][2]){
				good[i] = 1;
			}else good[i] = 0;
		}

		for(int i = 1; i + 1 < m; ++i) rmq[i][0] = (good[i] ? a[i][1]: INT_MAX);
		for(int j = 1; j < K; ++j){
			for(int i = 1; i + (1<<j) <= m - 1; ++i){
				rmq[i][j] = max(rmq[i][j - 1], rmq[i+(1<<(j-1))][j-1]);
			}
		}
		int ans = 0;
		for(int i = 1; i  + 1 < m; ++i){
			for(int j = i; j + 1 < m; ++j){
				if(get(i, j) < min(a[i - 1][1], a[j + 1][1])){
					ans = max(ans, j - i + 1);
				}
			}
		}

		return ans;
	}

	return 1;
}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 604 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -