int main (void)
{
std::array <std::array<int, 3>, 3> A = {{ {{1,2,3}}, {{4,5,6}}, {{7,8,9}} }};
std::array <std::array<int, 4>, 4> B = {{ {{0,1,2,3}}, {{4,5,6,7}}, {{8,9,10,11}}, {{12,13,14,15}} }};
print_spiral(A);
print_spiral(B);
return 0;
}
void print_spiral(int mat[][N_MAX], int m, int n, int k) {
if (m <= 0 || n <= 0)
return;
if (m == 1) {
for (int j = 0; j < n; j++)
cout << mat[k][k+j] << " ";
return;
}
if (n == 1) {
for (int i = 0; i < m; i++)
cout << mat[k+i][k] << " ";
return;
}
// print from top left
for (int j = 0; j < n - 1; j++)
cout << mat[k][k+j] << " ";
// print from top right
for (int i = 0; i < m - 1; i++)
cout << mat[k+i][k+n-1] << " ";
// print from bottom right
for (int j = 0; j < n - 1; j++)
cout << mat[k+m-1][k+n-1-j] << " ";
// print from bottom left
for (int i = 0; i < m - 1; i++)
cout << mat[k+m-1-i][k] << " ";
print_spiral(mat, m-2, n-2, k+1);
}
vector<vector<int> > generateMatrix(int n) {
if(n <= 0) return {};
vector<vector<int>> result(n, vector<int>(n, 0));
int x1 = 0, y1 = 0, x2 = n-1, y2 = n-1;
int flag = true;
int ind = 1;
while(x1 <= x2 && y1 <= y2){
if(flag) {
print_spiral(result, x1, y1, x2, y2, flag, ind);
x1++;
y2--;
}else{
print_spiral(result, x1, y1, x2, y2, flag, ind);
y1++;
x2--;
}
flag = !flag;
}
return result;
}
int main(int argc,char **argv){
FILE *file = fopen(argv[1], "r");
char line[1024];
int n,m,i;
Matr *matr;
char *app;
int *array;
while (fgets(line,1024, file)) {
i=0;
app = strtok(line,"; ");
n=atoi(app);
app = strtok(NULL,"; ");
m=atoi(app);
matr = (Matr *) malloc(n*m*sizeof(Matr));
fill_in_matr(matr,app,n,m);
print_spiral(matr,n,m);
}
return 0;
}
void print_spiral_helper(int mat[][N_MAX], int m, int n) {
print_spiral(mat, m, n, 0);
}
