-
Notifications
You must be signed in to change notification settings - Fork 1
/
worm in tank
101 lines (74 loc) · 1.42 KB
/
worm in tank
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
#include<stdio.h>
int a[10][10],n;
int rec(int i,int j)
{
if(a[i+1][j]==1 && (i+1)<n)
{a[i+1][j]=0;
i=i+1;
rec(i,j);
}
if(a[i][j+1]==1 && (j+1)<n)
{a[i][j+1]=0;
j=j+1;
rec(i,j);
}
if(a[i][j-1]==1 && (j-1)>=0)
{a[i][j-1]=0;
j=j-1;
rec(i,j);
}
if(a[i-1][j]==1 && (i-1)>=0)
{a[i-1][j]=0;
i=i-1;
rec(i,j);
}
if(a[i-1][j-1]==1 && (i-1)>=0 && (j-1)>=0)
{a[i-1][j-1]=0;
i=i-1;
j=j-1;
rec(i,j);
}
if(a[i+1][j+1]==1 && (i+1)<n && (j+1)<n)
{a[i+1][j+1]=0;
i=i+1;
j=j+1;
rec(i,j);
}
if(a[i+1][j-1]==1 && (i+1)<n && (j-1)>=0)
{a[i+1][j-1]=0;
i=i+1;
j=j-1;
rec(i,j);
}
if(a[i-1][j+1]==1 && (i-1)>=0 && (j+1)<n)
{a[i-1][j+1]=0;
i=i-1;
j=j+1;
rec(i,j);
}
return(0);
}
int main()
{
int i,j,worm=0;
scanf("%d",&n);
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
scanf("%d",&a[i][j]);
}
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
{
if(a[i][j]==1)
{
a[i][j]=0;
rec(i,j);
worm++;
}
}
}
printf("%d",worm);
return(0);
}