NOI.AC

ID	题目	提交者	结果	用时	内存	语言	文件大小	提交时间	测评时间
#206497	#1745. 一元三次方程求解	kevinwww188	100	0ms	1284kb	C++11	253b	2024-07-22 20:10:28	2024-07-22 20:10:50

answer

#include<bits/stdc++.h>
using namespace std;
int main(){
	double a,b,c,d;
	cin>>a>>b>>c>>d;
	for(double i=-100.00;i<=100.00;i+=0.01){
		double j=i+0.01;
		if((a*i*i*i+b*i*i+c*i+d)*(a*j*j*j+b*j*j+c*j+d)<0)
			printf("%.2f ",j);
	}
	return 0;
}

源文件, 语言: C++11

详细

小提示：点击横条可展开更详细的信息

Test #1:

score: 25

Accepted

time: 0ms

memory: 1280kb

input:

1 -2 -1 2

output:

-1.00 1.00 2.00

result:

ok single line: '-1.00 1.00 2.00 '

Test #2:

score: 25

Accepted

time: 0ms

memory: 1284kb

input:

1 -4.65 2.25 1.4

output:

-0.35 1.00 4.00

result:

ok single line: '-0.35 1.00 4.00 '

Test #3:

score: 25

Accepted

time: 0ms

memory: 1284kb

input:

1 10 -1 -10

output:

-10.00 -1.00 1.00

result:

ok single line: '-10.00 -1.00 1.00 '

Test #4:

score: 25

Accepted

time: 0ms

memory: 1284kb

input:

1 -1.8 -8.59 -0.84

output:

-2.10 -0.10 4.00

result:

ok single line: '-2.10 -0.10 4.00 '