foo.cc: In function 'int main()':
foo.cc:6:38: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    if(a+b<c||a+c<b||b+c<a||a==0&&b==0&&c==0){
                            ~~~~~~~~~~^~~~~~

正在同步测试数据，请稍后
自豪的采用HydroJudge(https://github.com/hydro-dev/Hydro)进行评测。