运行 ID: 1387

Main.cc: In function ‘int main()’:
Main.cc:13:25: error: expected ‘}’ at end of input
  printf("合计为%f",c);
                         ^
Main.cc:5:7: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d,%d",&a,&b);
  ~~~~~^~~~~~~~~~~~~~~