\u9898\u76ee\u8981\u6c42\uff0c\u8f93\u5165\u7684N\u8981\u57281~5\u4e4b\u95f4\uff0c\u8f93\u51faY\u578b2\u53c9\u6811\uff0c\u5f53N=1\u65f6\u201cY\u201d\u7684\u9ad8\u5ea6\u662f32\uff0c\u53ea\u6709\u4e00\u5c42\u3002\u5f53N=2\u65f6\uff0c\u6709\u4e24\u5c42\uff0c\u7b2c\u4e00\u5c42\u7684Y\u7684\u9ad8\u5ea6\u662f32\uff0c\u7b2c\u4e8c\u5c42Y\u7684\u9ad8\u5ea6\u662f16\uff0c\u800c\u4e14\u6709\u4e24\u4e2a\u201cY\u201d\u3002\u4ee5\u6b64\u7c7b\u63a8\u81f35\u5c42\u3002<\/p>\n\n\n\n
#!\/bin\/bash\r\n\r\nread N\r\nrows=63\r\ncols=100\r\ndeclare -A arr\r\n\r\nfor ((i=0 ; i < rows ; i++))\r\ndo\r\n for (( j=0 ; j<cols ; j++))\r\n do\r\n arr[$i,$j]='_'\r\n done\r\ndone\r\n\r\n\r\nfunction tree(){\r\n#$1=y,$2=x,$3=height,$4=N\r\nif (($4>=1 && $4<=5))\r\nthen\r\n for ((i=0; i<$3 ;i++));do\r\n arr[$(($1-i)),$2]='1'\r\n arr[$(($1-$3-i)),$(($2-i-1))]='1'\r\n arr[$(($1-$3-i)),$(($2+i+1))]='1'\r\n done\r\n\r\n tree $(($1-$3*2)) $(($2-$3)) $(($3\/2)) $(($4-1))\r\n tree $(($1-$3*2)) $(($2+$3)) $(($3\/2)) $(($4-1))\r\nfi\r\n}\r\n\r\n\r\ntree 62 49 16 $N\r\n\r\n\r\nfor ((i=0 ; i < rows ; i++))\r\ndo\r\n for (( j=0 ; j<cols ; j++))\r\n do\r\n echo -n ${arr[$i,$j]}\r\n done\r\n echo\r\ndone<\/code><\/pre>\n\n\n\n\u672c\u6765\u6ca1\u60f3\u7528\u9012\u5f52\uff0c\u60f3\u9010\u4e00\u8ba1\u7b97\u51fa\u8f93\u51fa\u4f4d\u7f6e\uff0c\u5176\u5b9e\u4e5f\u662f\u6709\u89c4\u5f8b\u7684\uff0c\u4e0d\u8fc7\u8d85\u7ea7\u9ebb\u70e6\u3002\u4e00\u4f1a\u81ea\u5df1\u7ed5\u8ff7\u7cca\u4e86\u3002<\/p>\n\n\n\n
\n- \u5728bash\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u7684\u65b9\u62ec\u53f7\u91cc\u4e0d\u80fd\u6709\u7a7a\u683c<\/mark><\/strong>\u3002<\/li>\n\n\n\n
- \u53d6\u51fa\u6570\u7ec4\u4e2d\u7684\u6570\u636e\u8981\u7528\u5c5e\u6027\u6269\u5c55<\/strong>${}<\/mark>\uff0c\u800c\u4e0d\u80fd\u7528\u8868\u8fbe\u5f0f\u6269\u5c55<\/strong>$(())<\/mark><\/li>\n\n\n\n
- echo ${#str}\uff0c\u4f1a\u8f93\u51fastr\u4e2d\u5b57\u7b26\u7684\u957f\u5ea6\uff1becho ${str:1:3}\uff0c\u4f1a\u8f93\u51fa\u5207\u7247\u5b57\u7b26\uff0c\u5207\u7247\u7d22\u5f15\u4ece0\u5f00\u59cb\uff0c\u5e76\u4e14\u662f\u95ed\u533a\u95f4\uff08\u4e5f\u5c31\u662f\u5305\u542b\u5f53\u524d\u5b57\u7b26\uff09\u3002<\/li>\n<\/ul>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\u9898\u76ee\u8981\u6c42\uff0c\u8f93\u5165\u7684N\u8981\u57281~5\u4e4b\u95f4\uff0c\u8f93\u51faY\u578b2\u53c9\u6811\uff0c\u5f53N=1\u65f6\u201cY\u201d\u7684\u9ad8\u5ea6\u662f32\uff0c\u53ea\u6709\u4e00\u5c42\u3002\u5f53N=2\u65f6\uff0c\u6709\u4e24\u5c42\uff0c\u7b2c\u4e00\u5c42\u7684Y\u7684\u9ad8\u5ea6\u662f32\uff0c\u7b2c\u4e8c\u5c42Y\u7684\u9ad8\u5ea6\u662f16\uff0c\u800c\u4e14…<\/p>\n