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真不明白,这代码水不过去竟然-。-!~~非要好好写吗。。。。。ORZ~~#include<iostream>
using namespace std;
int main()
{
int n;
while(1 == scanf("%d", &n) )
{
getchar();
char ch[3002];
if(n < 1)
{
gets(ch);
puts("YES");
}
else if(n == 2)
{
int a, b, c;
scanf("%d %d %d", &a, &b, &c);
if(b * b >= 4 * a * c)
puts("YES");
else
puts("NO");
}
else
{
gets(ch);
puts("NO");
}
}
return 0;
}1
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