foo.cc: In function 'int main()':
foo.cc:39:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(int i=0;i<=N;i++) a[i].x=c[i]-'0';for(int i=0;i<=M;i++) b[i].x=d[i]-'0';
  ^~~
foo.cc:39:40: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
  for(int i=0;i<=N;i++) a[i].x=c[i]-'0';for(int i=0;i<=M;i++) b[i].x=d[i]-'0';
                                        ^~~

自豪的采用jd5进行评测(github.com/masnn/jd5)