forked from TheAlgorithms/C-Plus-Plus
-
Notifications
You must be signed in to change notification settings - Fork 0
/
spiral_print.cpp
68 lines (55 loc) · 1.3 KB
/
spiral_print.cpp
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
#include<iostream>
using namespace std;
void genArray(int a[][10],int r,int c){
int value=1;
for(int i=0;i<r;i++){
for(int j=0;j<c;j++){
a[i][j] = value;
cout<<a[i][j]<<" ";
value++;
}
cout<<endl;
}
}
void spiralPrint(int a[][10],int r,int c){
int startRow=0,endRow=r-1;
int startCol =0, endCol = c-1;
int cnt=0;
while(startRow<=endRow && startCol<=endCol){
///Print start row
for(int i=startCol;i<=endCol;i++,cnt++){
cout<<a[startRow][i]<<" ";
}
startRow++;
///Print the end col
for(int i=startRow;i<=endRow;i++,cnt++){
cout<<a[i][endCol]<<" ";
}
endCol--;
///Print the end row
if(cnt==r*c){
break;
}
for(int i=endCol;i>=startCol;i--,cnt++){
cout<<a[endRow][i]<<" ";
}
endRow--;
///Print the start Col
if(cnt==r*c){
break;
}
for(int i=endRow;i>=startRow;i--,cnt++){
cout<<a[i][startCol]<<" ";
}
startCol++;
}
}
int main()
{
int a[10][10];
int r,c;
cin>>r>>c;
genArray(a,r,c);
spiralPrint(a,r,c);
return 0;
}