#31052: python WA 80%,不知道錯在哪


bowon.lin@gmail.com (柏宇練習中)


#ZeroJudge a453

from math import sqrt

while True:
    try:
        times=int(input())
        for i in range(times):
            a,b,c=list(map(int,input().split()))
            if b**2-4*a*c>0 and a!=0:
                if sqrt(b**2-4*a*c)==0 or sqrt(b**2-4*a*c)%1==0:
                    print("Yes")
                else:
                    print("No")
            else:
                print("No")
    except:
        break
#31055: Re: python WA 80%,不知道錯在哪


papa (韓國人)


#ZeroJudge a453

from math import sqrt

while True:
    try:
        times=int(input())
        for i in range(times):
            a,b,c=list(map(int,input().split()))
            if b**2-4*a*c>0 and a!=0:
                if sqrt(b**2-4*a*c)==0 or sqrt(b**2-4*a*c)%1==0:
                    print("Yes")
                else:
                    print("No")
            else:
                print("No")
    except:
        break

 第八行改大於等於