题解 | #牛牛的字符矩形#
牛牛的字符矩形
https://www.nowcoder.com/practice/2dbf0151eb71402e968a2a8e59092568
package main
import "fmt"
func main() {
var a string
fmt.Scan(&a)
for i := 0; i < 3; i++ {
for j := 0; j < 3; j++ {
fmt.Print(a)
}
fmt.Println()
}
}
