顺时针打印矩阵(面试宝典)

#include <iostream>using namespace std;int a[10][10];void Fun(int n){int m=1;int i,j;for (i=0;i<n;i++){for (j=i;j<n-i;j++)if(a[i][j]==0)a[i][j]=m++;for(j=i+1;j<n-1;j++)if(a[j][n-1-i]==0)a[j][n-1-i]=m++;for(j=n-1-i;j>i;j--)if(a[n-i-1][j]==0)a[n-1-i][j]=m++;for(j=n-1-i;j>i;j--)if(a[j][i]==0)a[j][i]=m++;}//if(n%2==1)//a[n][n]=m;}int main(){int n,i,j;cin >> n;for (int i=0;i<n;i++){for (int j=0;j<n;j++){a[i][j]=0;}}Fun(n);for (int i=0;i<n;i++){for (int j=0;j<n;j++){cout << a[i][j] << " ";}cout << endl;}return 0;}