OJ-上海交大-1021. 从前有座山

进程间通信的方式

题目链接：
https://acm.sjtu.edu.cn/OnlineJudge/problem/1021
编程语言：python

import sys
num = int(sys.stdin.readline());
lines = [];
for i in range(num):lines.append(range(num));
i = 0;
j = 0;
count = 1;
cishu = 0;
while count <= num*num:j = cishu;i = cishu;while j < num - cishu:lines[i][j] = count;count = count + 1;j = j +1;j -= 1;i += 1;while i < num - cishu:lines[i][j] = count;count += 1;i+=1;i -= 1;j -= 1;while j >= 0 + cishu:lines[i][j] = count;count+= 1;j -= 1;j+=1;i -= 1;while i > cishu:lines[i][j] = count;count +=1;i -= 1;i += 1;j += 1;cishu += 1;
for i in range(num):for j in range(num):sys.stdout.write(str(lines[i][j]));sys.stdout.write(" ");sys.stdout.write("\n");

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