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//======================================================================
//
//        Copyright (C) 2024 虹棠工作室   
//        All rights reserved
//
//        filename :Class4
//        description : None 
//
//        created by 唐崇峻 at  04/18/2024 23:03:47
//        https://www.hongtangstudio.cn
//
//======================================================================
//题目：略 

#include<stdio.h>
#define M 71

int main()
{
    int a[M][M] = {0};
    int *p=&a[35][36];
    char dir='N';
    a[36][36]=1;
    for(int k=1; k<=11000; k++){
        if((*p)%2==0){
            (*p)++;
            if(dir=='N'){dir='E';p++;}
            else if(dir=='E'){dir='S';p+=M;}
            else if(dir=='S'){dir='W';p--;}
            else{dir='N';p-=M;}
        }
        else{
            (*p)++;
            if(dir=='N'){dir='W';p--;}
            else if(dir=='W'){dir='S',p+=M;}
            else if(dir=='S'){dir='E',p++;}
            else {dir='N',p-=M;}
        }
    }
    for(int i=0; i<M; i++){
        for(int j=0; j<M; j++){
            printf("%2d", a[i][j]);
        }
        printf("\n");
    }
    return 0;
}
/*
output:
 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 3 4 6 6 7 5 410172118141512111313141918 9 7101310 6 6 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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*/
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