foo.cc: In function 'int main()':
foo.cc:6:17: error: 'n' was not declared in this scope
for(int i=1;i<=n;i++)
^
foo.cc:5:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&t);
~~~~~^~~~~~~~~
foo.cc:8:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d%d",&a,&b,&c);
~~~~~^~~~~~~~~~~~~~~~~~~
自豪的采用HydroJudge(https://github.com/hydro-dev/Hydro)进行评测。