---

Lỗi biên dịch:

Main.cc: In function ‘int main()’:
Main.cc:9:15: error: invalid operands of types ‘const char [3]’ and ‘int’ to binary ‘operator&’
     scanf("%d"&n);
           ~~~~^~
Main.cc:7:9: warning: unused variable ‘tu’ [-Wunused-variable]
     int tu=1, i, n;
         ^~