/in/foo.c: In function 'main':
/in/foo.c:5:16: warning: unused variable 'm' [-Wunused-variable]
  int str[11],i,m,money;
                ^
/in/foo.c:9:8: warning: 'money' may be used uninitialized in this function [-Wmaybe-uninitialized]
   money+=300-str[i-1]; //当前月份剩的钱
   ~~~~~^~~~~~~~~~~~~~