답안 #93319

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
93319	2019-01-07T14:52:00 Z	toloraia	Bomb (IZhO17_bomb)	C++14	41 / 100	1000 ms	63736 KB

bomb

#include <bits/stdc++.h>
#define ll long long
#define F first
#define S second
using namespace std;

const int N = 2600;



int n, m;
char ch[N][N];
int A[N][N], B[N][N];

int main()
{
    ios::sync_with_stdio(false);
    cin>>n>>m;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
            cin>>ch[i][j];
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
            A[i][j] = A[i - 1][j] + A[i][j - 1] - A[i - 1][j - 1] + ch[i][j] - '0';
    int J = m;
    int ans = 0;
    for (int I = 1; I <= n && J; I++){
        while (J){
            bool ok = 1;
            for (int i = 0; i <= n; i++)
                for (int j = 0; j <= m; j++)
                    B[i][j] = 0;
            for (int i = 0; i + I <= n; i++)
                for (int j = 0; j + J <= m; j++){
                    int x = A[i + I][j + J] - A[i + I][j] - A[i][j + J] + A[i][j];
                    if (x == I * J){
                        B[i + I + 1][j + J + 1]++;
                        B[i + 1][j + J + 1]--;
                        B[i + I + 1][j + 1]--;
                        B[i + 1][j + 1]++;
                    }
                }
            for (int i = 1; i <= n; i++)
                for (int j = 1; j <= m; j++)
                    B[i][j] += B[i - 1][j] + B[i][j - 1] - B[i - 1][j - 1];
            for (int i = 1; i <= n; i++)
                for (int j = 1; j <= m; j++)
                    if (ch[i][j] == '1' && B[i][j] == 0)
                        ok = 0;
            if (ok)
                break;
            J--;
        }
        ans = max (ans, I * J);
    }
    cout<<ans<<endl;
    return 0;
}

Subtask #1

41.0 / 100.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	504 KB	Output is correct
3	Correct	30 ms	26744 KB	Output is correct
4	Correct	33 ms	26744 KB	Output is correct
5	Correct	35 ms	376 KB	Output is correct
6	Correct	8 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	632 KB	Output is correct
9	Correct	2 ms	504 KB	Output is correct
10	Correct	2 ms	504 KB	Output is correct
11	Correct	2 ms	632 KB	Output is correct
12	Correct	2 ms	504 KB	Output is correct
13	Correct	2 ms	504 KB	Output is correct
14	Correct	2 ms	552 KB	Output is correct
15	Correct	2 ms	504 KB	Output is correct
16	Correct	2 ms	636 KB	Output is correct
17	Correct	4 ms	1144 KB	Output is correct
18	Correct	4 ms	1144 KB	Output is correct
19	Correct	6 ms	1528 KB	Output is correct
20	Correct	7 ms	1400 KB	Output is correct
21	Correct	16 ms	1016 KB	Output is correct
22	Correct	6 ms	1252 KB	Output is correct
23	Correct	9 ms	1528 KB	Output is correct
24	Correct	5 ms	1272 KB	Output is correct
25	Correct	10 ms	1528 KB	Output is correct
26	Correct	9 ms	1528 KB	Output is correct
27	Correct	136 ms	4188 KB	Output is correct
28	Correct	210 ms	4216 KB	Output is correct
29	Correct	299 ms	5536 KB	Output is correct
30	Correct	528 ms	6392 KB	Output is correct
31	Correct	402 ms	5096 KB	Output is correct
32	Correct	412 ms	5880 KB	Output is correct
33	Correct	627 ms	6648 KB	Output is correct
34	Correct	107 ms	4728 KB	Output is correct
35	Correct	481 ms	6648 KB	Output is correct
36	Correct	605 ms	6776 KB	Output is correct
37	Correct	2 ms	504 KB	Output is correct
38	Execution timed out	1070 ms	63576 KB	Time limit exceeded
39	Correct	2 ms	632 KB	Output is correct
40	Execution timed out	1085 ms	15608 KB	Time limit exceeded
41	Correct	2 ms	632 KB	Output is correct
42	Correct	10 ms	1528 KB	Output is correct
43	Execution timed out	1078 ms	63608 KB	Time limit exceeded
44	Correct	743 ms	6784 KB	Output is correct
45	Execution timed out	1081 ms	63608 KB	Time limit exceeded
46	Execution timed out	1069 ms	63736 KB	Time limit exceeded
47	Execution timed out	1083 ms	63608 KB	Time limit exceeded
48	Execution timed out	1072 ms	63644 KB	Time limit exceeded
49	Execution timed out	1084 ms	63608 KB	Time limit exceeded
50	Execution timed out	1085 ms	63608 KB	Time limit exceeded
51	Execution timed out	1068 ms	63580 KB	Time limit exceeded
52	Execution timed out	1074 ms	63660 KB	Time limit exceeded
53	Execution timed out	1076 ms	63608 KB	Time limit exceeded
54	Execution timed out	1089 ms	63612 KB	Time limit exceeded
55	Execution timed out	1089 ms	63608 KB	Time limit exceeded
56	Execution timed out	1075 ms	63608 KB	Time limit exceeded
57	Execution timed out	1080 ms	63736 KB	Time limit exceeded
58	Execution timed out	1081 ms	63608 KB	Time limit exceeded
59	Execution timed out	1074 ms	63612 KB	Time limit exceeded
60	Execution timed out	1071 ms	63560 KB	Time limit exceeded
61	Execution timed out	1080 ms	63608 KB	Time limit exceeded
62	Execution timed out	1072 ms	63480 KB	Time limit exceeded
63	Execution timed out	1078 ms	63608 KB	Time limit exceeded
64	Execution timed out	1071 ms	63608 KB	Time limit exceeded
65	Execution timed out	1082 ms	63608 KB	Time limit exceeded
66	Execution timed out	1080 ms	63612 KB	Time limit exceeded
67	Execution timed out	1077 ms	63632 KB	Time limit exceeded
68	Execution timed out	1069 ms	63528 KB	Time limit exceeded
69	Execution timed out	1091 ms	63352 KB	Time limit exceeded
70	Execution timed out	1075 ms	46096 KB	Time limit exceeded
71	Execution timed out	1069 ms	59256 KB	Time limit exceeded
72	Execution timed out	1072 ms	57560 KB	Time limit exceeded
73	Execution timed out	1085 ms	57608 KB	Time limit exceeded
74	Execution timed out	1088 ms	62748 KB	Time limit exceeded
75	Execution timed out	1079 ms	63460 KB	Time limit exceeded
76	Execution timed out	1063 ms	63396 KB	Time limit exceeded
77	Execution timed out	1071 ms	63224 KB	Time limit exceeded
78	Execution timed out	1083 ms	63224 KB	Time limit exceeded
79	Execution timed out	1086 ms	57592 KB	Time limit exceeded
80	Execution timed out	1082 ms	57644 KB	Time limit exceeded
81	Execution timed out	1060 ms	57592 KB	Time limit exceeded
82	Execution timed out	1075 ms	63608 KB	Time limit exceeded
83	Execution timed out	1075 ms	63608 KB	Time limit exceeded
84	Execution timed out	1075 ms	57540 KB	Time limit exceeded
85	Execution timed out	1072 ms	63608 KB	Time limit exceeded
86	Execution timed out	1074 ms	63608 KB	Time limit exceeded
87	Execution timed out	1073 ms	63608 KB	Time limit exceeded
88	Execution timed out	1083 ms	63608 KB	Time limit exceeded
89	Execution timed out	1076 ms	63524 KB	Time limit exceeded
90	Execution timed out	1076 ms	46072 KB	Time limit exceeded
91	Execution timed out	1064 ms	63608 KB	Time limit exceeded
92	Execution timed out	1078 ms	63608 KB	Time limit exceeded
93	Execution timed out	1077 ms	63608 KB	Time limit exceeded
94	Execution timed out	1075 ms	63608 KB	Time limit exceeded
95	Execution timed out	1075 ms	63608 KB	Time limit exceeded
96	Execution timed out	1074 ms	63576 KB	Time limit exceeded
97	Execution timed out	1075 ms	63528 KB	Time limit exceeded
98	Execution timed out	1074 ms	63608 KB	Time limit exceeded
99	Execution timed out	1075 ms	63608 KB	Time limit exceeded
100	Execution timed out	1075 ms	63568 KB	Time limit exceeded