原题链接:蓝桥杯基础练习VIP-回形取数
参考代码:
#include<iostream>
using namespace std;
int **Init_arr(int m, int n)//初始化二维数组
{
int **arr;
arr = new int*[m];
for (int i = 0;i < m;i++)
arr[i] = new int[n];
return arr;
}
int main()
{
int m, n;
cin >> m >> n;
int **a;
a = Init_arr(m, n);
for (int i = 0;i < m;i++)
for (int j = 0;j < n;j++)
cin >> a[i][j];
int row1 = 0, row2 = m - 2, coulmn1 = 1, coulmn2 = n - 2, j1 = 0, m1 = m, m2 = m, n1 = n, n2 = n, p = 0, q = 0;
for (int t = 0, num = 0;num < m*n;t++) {
row1 += t, coulmn1 += t, row2 -= t, coulmn2-=t, m1-=t, j1+=t, n1-=t, m2-=t, p+=t, n2-=t, q+=t;
for (;row1 < m1;row1++)
cout << a[row1][j1] << " ",num++;
if (num == m*n)
break;
for (;coulmn1 < n1;coulmn1++)
cout << a[m2 - 1][coulmn1] << " ", num++;
if (num == m*n)
break;
for (;row2 >= p;row2--)
cout << a[row2][n2 - 1] << " ", num++;
if (num == m*n)
break;
for (;coulmn2 > q;coulmn2--)
cout << a[p][coulmn2] << " ", num++;
row1 = 0, row2 = m - 2, coulmn1 = 1, coulmn2 = n - 2, j1 = 0, m1 = m, m2 = m, n1 = n, n2 = n, p = 0, q = 0;
}
return 0;
}0.0分
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