输入N,打印N*N矩阵
2023-07-06
比如 N = 3,打印:
1 2 3
8 9 4
7 6 5
N = 4,打印:
1 2 3 4
12 13 14 5
11 16 15 6
10 9 8 7
1 #define N 15
int s[N][N];
void main()
int k = 0, i = 0, j = 0;
int a = 1;
for( ; k < (N+1)/2; k++ )
while( j < N-k ) s[i][j++] = a++; i++; j--;
while( i < N-k ) s[i++][j] = a++; i--; j--;
while( j > k-1 ) s[i][j--] = a++; i–; j++;
while( i > k ) s[i--][j] = a++; i++; j++;
for( i = 0; i < N; i++ )
for( j = 0; j < N; j++ )
cout