답안 #91542 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
91542	2018-12-28T08:36:20 Z	davitmarg	Bomb (IZhO17_bomb)	C++17	18 / 100	667 ms	52976 KB

bomb

/*
DEATH-MATCH
Davit-Marg
*/
#include <iostream>
#include <algorithm>
#include <cmath>
#include <cassert>
#include <vector>
#include <string>
#include <cstring>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <stack>
#include <iterator>
#include <ctype.h>
#include <stdlib.h>  
#include <fstream>  
#define mod 1000000007ll
#define LL long long
#define LD long double
#define MP make_pair
#define PB push_back
using namespace std;

int n, m,w,h,l,r,mid;
int mp[2503][2503],pr[2503][2503];
char tmp;

int sum(int ys,int xs,int y,int x)
{
	xs--;
	ys--;
	return pr[y][x] - pr[y][xs] - pr[ys][x] + pr[ys][xs];
}

bool check(int x)
{
	for (int i = 1; i <= n; i++)
		for (int j = 1; j <= m; j++)
			if (mp[i][j] && !mp[i - 1][j] && !mp[i][j - 1])
			{
				int s = sum(i, j, i + x - 1, j + w - 1);
				if (s != x * w)
					return 0;
			}

	for (int i = 1; i <= n; i++)
		for (int j = 1; j <= m; j++)
			if (mp[i][j] && !mp[i + 1][j] && !mp[i][j + 1])
			{
				int s = sum(i-x+1,j-w+1,i, j);
				if (s != x * w)
					return 0;
			}


	for (int i = 1; i <= n; i++)
		for (int j = 1; j <= m; j++)
			if (mp[i][j] && !mp[i - 1][j] && !mp[i][j + 1])
			{
				int s = sum(i, j - w + 1, i + x - 1, j);
				if (s != x * w)
					return 0;
			}

	return 1;
}

int main()
{
	cin >> n >> m;
	w = m;
	h = n;
	for (int i = 1; i <= n; i++)
		for (int j = 1; j <= m; j++)
		{
			cin >> tmp;
			mp[i][j] = tmp - '0';
			pr[i][j] = pr[i - 1][j] + pr[i][j - 1] - pr[i - 1][j - 1]+mp[i][j];
		}
	for (int i = 1; i <= n; i++)
	{
		int sum = 0;
		for (int j = 1; j <= m; j++)
		{
			sum += mp[i][j];
			if (mp[i][j] == 0)
			{
				if (sum)
					w = min(sum,w);
				sum = 0;
			}
		}
		if(sum)
			w = min(sum, w);
	}

	r = n;
	l = 1;
	while (l <= r)
	{
		mid = (l + r) / 2;
		if (check(mid))
		{
			h = mid;
			l = mid + 1;
		}
		else
			r = mid - 1;
	}

	cout << max(w * h,1) << endl;
	return 0;
}


/*



5 6
000000
111110
111111
111111
000000


7 8
01001110
01001110
01001100
00000000
01000000
01000000
01000000



7 8
01000000
00000000
00000000
00000000
00000000
00000000
00000000

7 8
11111111
11111111
11111111
11100111
11111111
11111111
11111111

7 8
00000000
00011000
00011000
00000000
00011111
00011111
00000000

*/

Subtask #1
18.0 / 100.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	600 KB	Output is correct
3	Correct	18 ms	20512 KB	Output is correct
4	Correct	18 ms	20552 KB	Output is correct
5	Correct	2 ms	20552 KB	Output is correct
6	Correct	2 ms	20552 KB	Output is correct
7	Incorrect	2 ms	20552 KB	Output isn't correct
8	Incorrect	2 ms	20552 KB	Output isn't correct
9	Incorrect	2 ms	20552 KB	Output isn't correct
10	Incorrect	2 ms	20552 KB	Output isn't correct
11	Incorrect	2 ms	20552 KB	Output isn't correct
12	Correct	2 ms	20552 KB	Output is correct
13	Correct	2 ms	20552 KB	Output is correct
14	Correct	2 ms	20552 KB	Output is correct
15	Incorrect	2 ms	20552 KB	Output isn't correct
16	Correct	2 ms	20552 KB	Output is correct
17	Correct	2 ms	20552 KB	Output is correct
18	Incorrect	2 ms	20552 KB	Output isn't correct
19	Incorrect	3 ms	20552 KB	Output isn't correct
20	Incorrect	3 ms	20552 KB	Output isn't correct
21	Incorrect	2 ms	20552 KB	Output isn't correct
22	Incorrect	3 ms	20552 KB	Output isn't correct
23	Incorrect	3 ms	20552 KB	Output isn't correct
24	Incorrect	3 ms	20552 KB	Output isn't correct
25	Incorrect	3 ms	20552 KB	Output isn't correct
26	Incorrect	3 ms	20552 KB	Output isn't correct
27	Runtime error	18 ms	20552 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
28	Incorrect	11 ms	20552 KB	Output isn't correct
29	Incorrect	15 ms	20552 KB	Output isn't correct
30	Incorrect	19 ms	20552 KB	Output isn't correct
31	Incorrect	15 ms	20552 KB	Output isn't correct
32	Incorrect	17 ms	20552 KB	Output isn't correct
33	Incorrect	21 ms	20552 KB	Output isn't correct
34	Incorrect	10 ms	20552 KB	Output isn't correct
35	Incorrect	19 ms	20552 KB	Output isn't correct
36	Incorrect	22 ms	20552 KB	Output isn't correct
37	Correct	2 ms	20552 KB	Output is correct
38	Correct	592 ms	52916 KB	Output is correct
39	Correct	2 ms	52916 KB	Output is correct
40	Incorrect	64 ms	52916 KB	Output isn't correct
41	Incorrect	2 ms	52916 KB	Output isn't correct
42	Incorrect	3 ms	52916 KB	Output isn't correct
43	Correct	516 ms	52916 KB	Output is correct
44	Incorrect	19 ms	52916 KB	Output isn't correct
45	Incorrect	418 ms	52916 KB	Output isn't correct
46	Correct	448 ms	52916 KB	Output is correct
47	Incorrect	425 ms	52916 KB	Output isn't correct
48	Incorrect	402 ms	52916 KB	Output isn't correct
49	Incorrect	555 ms	52924 KB	Output isn't correct
50	Incorrect	386 ms	52924 KB	Output isn't correct
51	Incorrect	390 ms	52924 KB	Output isn't correct
52	Incorrect	386 ms	52924 KB	Output isn't correct
53	Incorrect	410 ms	52924 KB	Output isn't correct
54	Incorrect	390 ms	52928 KB	Output isn't correct
55	Incorrect	391 ms	52928 KB	Output isn't correct
56	Correct	667 ms	52928 KB	Output is correct
57	Incorrect	420 ms	52928 KB	Output isn't correct
58	Incorrect	423 ms	52928 KB	Output isn't correct
59	Incorrect	431 ms	52928 KB	Output isn't correct
60	Incorrect	652 ms	52928 KB	Output isn't correct
61	Incorrect	609 ms	52928 KB	Output isn't correct
62	Incorrect	553 ms	52928 KB	Output isn't correct
63	Incorrect	553 ms	52928 KB	Output isn't correct
64	Incorrect	555 ms	52928 KB	Output isn't correct
65	Incorrect	386 ms	52928 KB	Output isn't correct
66	Incorrect	372 ms	52928 KB	Output isn't correct
67	Incorrect	394 ms	52928 KB	Output isn't correct
68	Incorrect	384 ms	52928 KB	Output isn't correct
69	Incorrect	417 ms	52928 KB	Output isn't correct
70	Incorrect	320 ms	52928 KB	Output isn't correct
71	Incorrect	507 ms	52928 KB	Output isn't correct
72	Incorrect	514 ms	52928 KB	Output isn't correct
73	Incorrect	504 ms	52928 KB	Output isn't correct
74	Incorrect	508 ms	52928 KB	Output isn't correct
75	Incorrect	513 ms	52928 KB	Output isn't correct
76	Incorrect	541 ms	52956 KB	Output isn't correct
77	Incorrect	526 ms	52956 KB	Output isn't correct
78	Incorrect	518 ms	52956 KB	Output isn't correct
79	Incorrect	484 ms	52956 KB	Output isn't correct
80	Incorrect	489 ms	52956 KB	Output isn't correct
81	Incorrect	489 ms	52956 KB	Output isn't correct
82	Incorrect	521 ms	52976 KB	Output isn't correct
83	Incorrect	541 ms	52976 KB	Output isn't correct
84	Incorrect	445 ms	52976 KB	Output isn't correct
85	Incorrect	494 ms	52976 KB	Output isn't correct
86	Incorrect	426 ms	52976 KB	Output isn't correct
87	Correct	485 ms	52976 KB	Output is correct
88	Incorrect	570 ms	52976 KB	Output isn't correct
89	Incorrect	465 ms	52976 KB	Output isn't correct
90	Incorrect	357 ms	52976 KB	Output isn't correct
91	Incorrect	494 ms	52976 KB	Output isn't correct
92	Incorrect	509 ms	52976 KB	Output isn't correct
93	Incorrect	483 ms	52976 KB	Output isn't correct
94	Incorrect	510 ms	52976 KB	Output isn't correct
95	Incorrect	539 ms	52976 KB	Output isn't correct
96	Incorrect	497 ms	52976 KB	Output isn't correct
97	Incorrect	453 ms	52976 KB	Output isn't correct
98	Incorrect	505 ms	52976 KB	Output isn't correct
99	Incorrect	507 ms	52976 KB	Output isn't correct
100	Incorrect	450 ms	52976 KB	Output isn't correct

답안 #91542

Compilation message

Subtask #1 18.0 / 100.0

Subtask #1
18.0 / 100.0