답안 #88095 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
88095	2018-12-03T19:45:08 Z	Pajaraja	Bomb (IZhO17_bomb)	C++17	14 / 100	1000 ms	127496 KB

bomb

#include <bits/stdc++.h>
#define MAXN 2507
using namespace std;
bool t[MAXN][MAXN],r[MAXN][MAXN];
int p[MAXN][MAXN],d[MAXN][MAXN],n,m;
char s[MAXN][MAXN];
bool provera(int x,int y)
{
	for(int i=x;i<=n;i++) for(int j=y;j<=m;j++) r[i][j]=(p[i][j]-p[i-x][j]-p[i][j-y]+p[i-x][j-y]==x*y);
	for(int i=n;i>0;i--) for(int j=m;j>0;j--) d[i][j]=r[i][j]+d[i+1][j]+d[i][j+1]-d[i+1][j+1];
	for(int i=1;i<=n;i++) for(int j=1;j<=m;j++) if(t[i][j] && d[i][j]-d[min(n,i+x)][j]-d[i][min(m,j+y)]+d[min(n,i+x)][min(m,j+y)]==0) return false;
	return true;
}
int main()
{
	int lh=2507,lv=2507;
	scanf("%d%d",&n,&m);
	for(int i=1;i<=n;i++)
	{
		scanf("%s",s[i]);
		for(int j=1;j<=m;j++) t[i][j]=(s[i][j-1]=='1'?1:0);
	}
	for(int i=1;i<=n;i++)
	{
		int cur=0;
		for(int j=1;j<=m;j++)
		{
			if(t[i][j]==0) {if(cur!=0) lh=min(lh,cur); cur=0;}
			else cur++;
		}
		if(cur!=0) lh=min(lh,cur);
	}
	for(int i=1;i<=m;i++)
	{
		int cur=0;
		for(int j=1;j<=n;j++)
		{
			if(t[j][i]==0) {if(cur!=0) lv=min(lv,cur); cur=0;}
			else cur++;
		}
		if(cur!=0) lv=min(lv,cur);
	}
	int sol=0;
	for(int i=1;i<=n;i++) for(int j=1;j<=m;j++) p[i][j]=t[i][j]+p[i-1][j]+p[i][j-1]-p[i-1][j-1];
	for(int i=1;i<=lv;i++)
	{
		while(!provera(lh,i)) lh--; 
		sol=max(sol,lh*i);
	}
	printf("%d",sol);
}

Compilation message

bomb.cpp: In function 'int main()':
bomb.cpp:17:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
  ~~~~~^~~~~~~~~~~~~~
bomb.cpp:20:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s",s[i]);
   ~~~~~^~~~~~~~~~~

Subtask #1
14.0 / 100.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	18 ms	3676 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
2	Runtime error	13 ms	4548 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
3	Runtime error	283 ms	79628 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
4	Runtime error	283 ms	79664 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
5	Runtime error	717 ms	79664 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
6	Runtime error	289 ms	79664 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
7	Runtime error	13 ms	79664 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
8	Correct	3 ms	79664 KB	Output is correct
9	Correct	3 ms	79664 KB	Output is correct
10	Incorrect	2 ms	79664 KB	Output isn't correct
11	Correct	3 ms	79664 KB	Output is correct
12	Incorrect	2 ms	79664 KB	Output isn't correct
13	Incorrect	2 ms	79664 KB	Output isn't correct
14	Runtime error	18 ms	79664 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
15	Correct	3 ms	79664 KB	Output is correct
16	Runtime error	21 ms	79664 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
17	Runtime error	53 ms	79664 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
18	Correct	4 ms	79664 KB	Output is correct
19	Runtime error	63 ms	79664 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
20	Runtime error	65 ms	79664 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
21	Correct	3 ms	79664 KB	Output is correct
22	Correct	4 ms	79664 KB	Output is correct
23	Correct	7 ms	79664 KB	Output is correct
24	Runtime error	57 ms	79664 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
25	Correct	8 ms	79664 KB	Output is correct
26	Runtime error	84 ms	79664 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
27	Runtime error	392 ms	79664 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
28	Correct	17 ms	79664 KB	Output is correct
29	Runtime error	725 ms	79664 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
30	Correct	266 ms	79664 KB	Output is correct
31	Correct	153 ms	79664 KB	Output is correct
32	Runtime error	785 ms	79664 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
33	Correct	346 ms	79664 KB	Output is correct
34	Correct	16 ms	79664 KB	Output is correct
35	Incorrect	168 ms	79664 KB	Output isn't correct
36	Runtime error	828 ms	79664 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
37	Runtime error	25 ms	79664 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
38	Execution timed out	1086 ms	79664 KB	Time limit exceeded
39	Runtime error	20 ms	79664 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
40	Execution timed out	1082 ms	79664 KB	Time limit exceeded
41	Runtime error	22 ms	79664 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
42	Runtime error	84 ms	79664 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
43	Execution timed out	1082 ms	85316 KB	Time limit exceeded
44	Execution timed out	1006 ms	85316 KB	Time limit exceeded
45	Execution timed out	1081 ms	96740 KB	Time limit exceeded
46	Execution timed out	1077 ms	105640 KB	Time limit exceeded
47	Execution timed out	1070 ms	108928 KB	Time limit exceeded
48	Execution timed out	1077 ms	117728 KB	Time limit exceeded
49	Execution timed out	1083 ms	124100 KB	Time limit exceeded
50	Execution timed out	1087 ms	124704 KB	Time limit exceeded
51	Execution timed out	1084 ms	124744 KB	Time limit exceeded
52	Execution timed out	1079 ms	124836 KB	Time limit exceeded
53	Execution timed out	1080 ms	124932 KB	Time limit exceeded
54	Execution timed out	1087 ms	124932 KB	Time limit exceeded
55	Execution timed out	1042 ms	126280 KB	Time limit exceeded
56	Execution timed out	1085 ms	126528 KB	Time limit exceeded
57	Execution timed out	1084 ms	126528 KB	Time limit exceeded
58	Execution timed out	1091 ms	126528 KB	Time limit exceeded
59	Execution timed out	1079 ms	126528 KB	Time limit exceeded
60	Execution timed out	1081 ms	126528 KB	Time limit exceeded
61	Execution timed out	1083 ms	126528 KB	Time limit exceeded
62	Execution timed out	1086 ms	126528 KB	Time limit exceeded
63	Execution timed out	1088 ms	126528 KB	Time limit exceeded
64	Execution timed out	1083 ms	126528 KB	Time limit exceeded
65	Execution timed out	1085 ms	126528 KB	Time limit exceeded
66	Execution timed out	1064 ms	126528 KB	Time limit exceeded
67	Execution timed out	1067 ms	127496 KB	Time limit exceeded
68	Execution timed out	1074 ms	127496 KB	Time limit exceeded
69	Execution timed out	1061 ms	127496 KB	Time limit exceeded
70	Execution timed out	1035 ms	127496 KB	Time limit exceeded
71	Execution timed out	1044 ms	127496 KB	Time limit exceeded
72	Execution timed out	1064 ms	127496 KB	Time limit exceeded
73	Execution timed out	1076 ms	127496 KB	Time limit exceeded
74	Execution timed out	1069 ms	127496 KB	Time limit exceeded
75	Execution timed out	1077 ms	127496 KB	Time limit exceeded
76	Execution timed out	1071 ms	127496 KB	Time limit exceeded
77	Execution timed out	1077 ms	127496 KB	Time limit exceeded
78	Execution timed out	1068 ms	127496 KB	Time limit exceeded
79	Execution timed out	1077 ms	127496 KB	Time limit exceeded
80	Execution timed out	1067 ms	127496 KB	Time limit exceeded
81	Execution timed out	1088 ms	127496 KB	Time limit exceeded
82	Execution timed out	1064 ms	127496 KB	Time limit exceeded
83	Execution timed out	1070 ms	127496 KB	Time limit exceeded
84	Execution timed out	1066 ms	127496 KB	Time limit exceeded
85	Execution timed out	1079 ms	127496 KB	Time limit exceeded
86	Execution timed out	1070 ms	127496 KB	Time limit exceeded
87	Execution timed out	1064 ms	127496 KB	Time limit exceeded
88	Execution timed out	1086 ms	127496 KB	Time limit exceeded
89	Execution timed out	1073 ms	127496 KB	Time limit exceeded
90	Execution timed out	1069 ms	127496 KB	Time limit exceeded
91	Execution timed out	1081 ms	127496 KB	Time limit exceeded
92	Execution timed out	1078 ms	127496 KB	Time limit exceeded
93	Execution timed out	1084 ms	127496 KB	Time limit exceeded
94	Execution timed out	1087 ms	127496 KB	Time limit exceeded
95	Execution timed out	1071 ms	127496 KB	Time limit exceeded
96	Execution timed out	1075 ms	127496 KB	Time limit exceeded
97	Execution timed out	1063 ms	127496 KB	Time limit exceeded
98	Execution timed out	1064 ms	127496 KB	Time limit exceeded
99	Execution timed out	1072 ms	127496 KB	Time limit exceeded
100	Execution timed out	1066 ms	127496 KB	Time limit exceeded

답안 #88095

Compilation message

Subtask #1 14.0 / 100.0

Subtask #1
14.0 / 100.0