Submission #8830136
Source Code Expand
import sys input=sys.stdin.readline p2D = lambda x: print(*x, sep="\n") def MI(): return map(int, sys.stdin.readline().split()) def main(): h, w = MI() s = [[c == "#" for c in input()[:-1]] for _ in range(h)] #if w == 2: # s = [list(sc) for sc in zip(*s)] # h, w = w, h # p2D(s) t = [[-1] * (w - 1) for _ in range(h - 1)] for i in range(h - 1): si = s[i] si1 = s[i + 1] t[i] = [1 - (sum(si[j:j + 2]) + sum(si1[j:j + 2])) % 2 for j in range(w - 1)] # p2D(t) # print() ti=t[0] for i in range(1, h - 1): ti1=ti ti=t[i] for j in range(w - 1): if ti[j]: ti[j] = ti1[j] + 1 # p2D(t) ans = 0 for i in range(h - 1): jtol = [0] * (w - 1) jtor = [0] * (w - 1) ti=t[i] # 高さ、位置の順 stack = [[-1, 0]] for j in range(w - 1): tij=ti[j] while stack[-1][0] >= tij: stack.pop() jtol[j] = stack[-1][1] stack.append([tij, j + 1]) stack = [[-1, w - 1]] for j in range(w - 2, -1, -1): tij=ti[j] while stack[-1][0] >= tij: stack.pop() jtor[j] = stack[-1][1] stack.append([tij, j]) for j in range(w - 1): tmp = (jtor[j] - jtol[j] + 1) * (ti[j] + 1) if tmp > ans: ans = tmp print(max(ans,h,w)) main()
Submission Info
Submission Time | |
---|---|
Task | F - Flip and Rectangles |
User | mkawa2 |
Language | PyPy3 (2.4.0) |
Score | 700 |
Code Size | 1468 Byte |
Status | AC |
Exec Time | 1857 ms |
Memory | 133128 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 700 / 700 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | sample1.txt, sample2.txt, sample3.txt |
All | sample1.txt, sample2.txt, sample3.txt, 1.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 2.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 3.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 4.txt, 5.txt, 6.txt, 7.txt, 8.txt, 9.txt, sample1.txt, sample2.txt, sample3.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
1.txt | AC | 222 ms | 43760 KB |
10.txt | AC | 1812 ms | 132872 KB |
11.txt | AC | 981 ms | 103260 KB |
12.txt | AC | 1639 ms | 129160 KB |
13.txt | AC | 1666 ms | 130824 KB |
14.txt | AC | 1667 ms | 131336 KB |
15.txt | AC | 1670 ms | 131976 KB |
16.txt | AC | 1645 ms | 131336 KB |
17.txt | AC | 1662 ms | 132104 KB |
18.txt | AC | 1815 ms | 132616 KB |
19.txt | AC | 1710 ms | 131848 KB |
2.txt | AC | 194 ms | 41584 KB |
20.txt | AC | 1709 ms | 131592 KB |
21.txt | AC | 1726 ms | 132104 KB |
22.txt | AC | 1745 ms | 132232 KB |
23.txt | AC | 1785 ms | 131720 KB |
24.txt | AC | 1634 ms | 129288 KB |
25.txt | AC | 1607 ms | 129288 KB |
26.txt | AC | 1857 ms | 133128 KB |
27.txt | AC | 1771 ms | 132744 KB |
28.txt | AC | 1762 ms | 133000 KB |
29.txt | AC | 1662 ms | 130824 KB |
3.txt | AC | 1808 ms | 132488 KB |
30.txt | AC | 1650 ms | 130824 KB |
31.txt | AC | 1651 ms | 130696 KB |
32.txt | AC | 1656 ms | 130696 KB |
33.txt | AC | 1651 ms | 130696 KB |
34.txt | AC | 1678 ms | 131080 KB |
4.txt | AC | 1765 ms | 132360 KB |
5.txt | AC | 233 ms | 45148 KB |
6.txt | AC | 189 ms | 41072 KB |
7.txt | AC | 1822 ms | 132872 KB |
8.txt | AC | 1823 ms | 132872 KB |
9.txt | AC | 1774 ms | 131720 KB |
sample1.txt | AC | 162 ms | 38356 KB |
sample2.txt | AC | 161 ms | 38256 KB |
sample3.txt | AC | 161 ms | 38256 KB |