/in/foo.cc:5:9: warning: missing terminating " character
  printf("输入一个小写字母：“）；
         ^
/in/foo.cc:5:9: error: missing terminating " character
  printf("输入一个小写字母：“）；
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/in/foo.cc:7:13: warning: missing terminating " character
      printf("这个小写字母对应的大写字母为%c,c-32);
             ^
/in/foo.cc:7:13: error: missing terminating " character
      printf("这个小写字母对应的大写字母为%c,c-32);
             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:6:20: error: expected ')' before ';' token
      scanf("%c",&c);
                    ^
/in/foo.cc:8:7: error: expected primary-expression before 'return'
       return 0;
       ^~~~~~