### a524.手機之謎 <!-- Put the link to this slide here so people can follow --> <!-- slide: https://hackmd.io/@sharonshau/BJhp6-8hL --> --- --- ###### 複製以下程式碼填空(…的地方記得要改) ```typescript #include <iostream> using namespace std; char unused[11]="…", output[10]; ////如果用過了，就改成0 int n; void dfs(int inx, int id){ //取第id個數字，放在output[inx] … } int main() { while(cin>>n){ output[n]='\0'; dfs(…); //取第1個數字，放在output[0] }//end while } ```