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spiral.cpp
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61 lines (52 loc) · 916 Bytes
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#include <stdio.h>
#include <stdlib.h>
#include <iostream>
int a[1000][1000];
void spiralPrint(int m, int n)
{
int i, k = 0, l = 0;
while (k < m && l < n)
{
for (i = l; i < n; ++i)
{
printf("%d ", a[k][i]);
}
k++;
for (i = k; i < m; ++i)
{
printf("%d ", a[i][n-1]);
}
n--;
if ( k < m)
{
for (i = n-1; i >= l; --i)
{
printf("%d ", a[m-1][i]);
}
m--;
}
if (l < n)
{
for (i = m-1; i >= k; --i)
{
printf("%d ", a[i][l]);
}
l++;
}
}
}
int main()
{
int n, m, x;
std::cin>>n>>m;
for (int i = 0; i < n; i++)
{
for (int j = 0; j < m; j++)
{
scanf("%d", &x);
a[i][j] = x;
}
}
spiralPrint(n, m);
return 0;
}