label stringlengths 1 2 | index stringlengths 1 5 | code stringlengths 87 8.24k |
|---|---|---|
27 | 13400 | int main()
{
int n,i;
double a,b,c,d,x1,x2,e,f;
scanf("%d",&n);
for(i=1;i<=n;i++)
{
scanf("%lf %lf %lf",&a,&b,&c);
d=b*b-4*a*c;
if(d>0)
{
x1=(sqrt(d)-b)/(2*a);
x2=(-sqrt(d)-b)/(2*a);
printf("x1=%.5lf;x2=%.5lf\n",x1,x2);
}
if(d==0)
{
x1=-b/(2*a);
x2=-b/(2*a);
printf("x1=x2=%.5lf\n",x... |
27 | 13401 |
int main()
{
double a,b,c,w,x1,x2;
int n,i;
scanf("%d",&n);
for (i=0;i<n;i++)
{
scanf("%lf%lf%lf",&a,&b,&c);
w=b*b-4*a*c;
if (w>0)
{
w=sqrt(w);
x1=(0-b+w)/(2*a);
x2=(0-b-w)/(2*a);
printf("x1=%.5f;x2=%.5f\n",x1,x2);
}
else if(w<0)
{
w=sqrt(0-w)/(2*a);
printf("x1=%.5f+%... |
27 | 13402 | main()
{
int n,i;
double a,b,c,root1,root2,shi,xu,t;
scanf("%d",&n);
for(i=1;i<=n;i++)
{
scanf("%lf %lf %lf",&a,&b,&c);
t=b*b-4*a*c;
if(t>0)
{
if(b==0)
printf("x1=0.00000+%.5f;x2=0.00000+%.5f\n",sqrt(t)/(2*a),-sqrt(t)/(2*a));
else
root1=(-b + sqrt(t))/(2*a);
... |
27 | 13403 | main()
{
int n,i;
scanf("%d",&n);
for(i=0;i<n;i++)
{
double a,b,c,m;
scanf("%lf %lf %lf",&a,&b,&c);
m=b*b-4*a*c;
if(fabs(m)<=1e-6)
{
if(fabs(b)<=1e-6)
printf(... |
27 | 13404 | int main(int argc, char* argv[])
{
int n,i;
double a[1000],b[1000],c[1000];
double x1,x2,d,e;
scanf("%d",&n);
for(i=0;i<n;i++){
scanf("%lf %lf %lf",&a[i],&b[i],&c[i]);
if((b[i]*b[i]-4*a[i]*c[i])>0){
x1 =(-b[i]+sqrt(b[i]*b[i]-4*a[i]*c[i]))/(2*a[i]);
x2 =(-b[i]-sq... |
27 | 13405 | int main()
{
int n;
scanf("%d",&n);
while(n--)
{
double a,b,c;
scanf("%lf %lf %lf",&a,&b,&c);
double x1,x2,i;
if(b*b-4*a*c>0)
{
x1 = (-b + sqrt(b*b-4*a*c))/(2.0*a);
x2 = (-b - sqrt(b*b-4*a*c))/(2.0*a);
printf("x1=%.5lf;x2=%.5lf\n",x1,x2);
}
else if(b*b-4*a*c==0)
... |
27 | 13406 | int main()
{
int n,i;
double a,b,c,dt,p,q;
scanf("%d",&n);
for(i=1;i<=n;i++)
{
scanf("%lf%lf%lf",&a,&b,&c);
dt=b*b-4*a*c;
if(dt==0)
{
p=-b/2/a;if(p==0)p=0;
printf("x1=x2=%.5lf\n",p);
}
else if(dt>0)
{
p=(-b+sqrt(dt))/2/a;q=(-b-sqrt(dt))/2/a;
printf("x1=%.5lf;x2=%.5lf\n",p,q);
}
else
... |
27 | 13407 | void main()
{
double a[32768],b[32768],c[32768];
int n,i;
double d,x1,x2,e;
scanf("%d",&n);
for(i=1;i<=n;i++)
scanf("%lf %lf %lf",&a[i],&b[i],&c[i]);
for(i=1;i<=n;i++)
{
if (fabs(a[i])<1e-15)
printf("Wrong\n");
else
{
d=b[i]*b[i]-4*a[i]*c[i];
if (fabs(d)<1e-15)
{
x1=-b[i]/(... |
27 | 13408 | int main()
{float a,b,c,delta;
int n,i;
cin>>n;
for(i=1;i<=n;i++)
{cin>>a>>b>>c;
delta=b*b-4*a*c;
if(b!=0)
{
if(delta>0)
{cout<<"x1=";
printf("%.5f", (-b + sqrt(b*b-4*a*c))/(2*a));
cout<<";x2=";
printf("%.5f", (-b - sqrt(b*b-4*a*c))/(2*a));
cout<<endl;
}
if(delta==0)
{cout<<"x1=x2=";
printf("%.5f", (-b - sqrt(b*b-4*a*c... |
27 | 13409 | int main()
{
int n;
float a,b,c,d,j,k;
double x1,x2;
char i;
cin>>n;
d=1;
i='i';
for(d=1;d<=n;d=d+1)
{
cin>>a>>b>>c;
if(b*b-4*a*c>0)
{
x1 = (-b + sqrt(b*b-4*a*c))/(2*a);
x2 = (-b - sqrt(b*b-4*a*c))/(2*a);
cout<<fixed<<setprecision(5)<<"x1="<<x1<<fixed<<setprec... |
27 | 13410 |
int main()
{
float a,b,c;
int i,n;
double p,q;
cin>>n;
for(i=0;i<n;i++)
{
cin>>a>>b>>c;
{if(b==0)
p=0.0;
if(b!=0)
p=-b/(2*a);
}
q=b*b-4*a*c;
if(q>0)
cout<<"x1="<<fixed<<setprecision(5)<<p+(sqrt(q)/2/a)<<";x2="<<p-(sqrt(q)/2/a)<<endl;
if(q==0)
cout<<"x1=x2="<<fixed<<setprecision(5)<<p<<endl;
if(q<0... |
27 | 13411 | int main()
{
int n,i;
double a,b,c,x,y;
cin>>n;
for(i=0;i<n;i++)
{
cin>>a>>b>>c;
if(b*b-4*a*c>0)
{
x=(-b+sqrt(b*b-4*a*c))/(2*a);
y=(-b-sqrt(b*b-4*a*c))/(2*a);
cout<<"x1=";
printf("%.5lf",x);
cout<<";x2=";
printf("%.5lf\n",y);
}
else if(b*b-4*a*c==0)
{
x=(-b+sqrt(b*b-4*a*c))/(2*a);
... |
27 | 13412 | int main(){
int n;cin >> n;
double a,b,c,x1,x2;
while(n--){
cin >> a >> b >> c;
if((b*b-4*a*c)>0){
x1 = (-b)/(2*a);
x2 = (sqrt(b*b-4*a*c))/(2*a);
printf("x1=%.5f;x2=%.5f\n",x1+x2,x1-x2);
}else if((b*b-4*a*c)<0){
x1 = (0-b)/(2*a);
//if(x1 == 0) x1 = 0;
x2 = (sqrt(4*a*c-b*b))/(2*a);
printf("... |
27 | 13413 | double a,b,c;
double x1,x2,p,q;
int n;
int main()
{
cin >> n;
while(n--)
{
cin >> a >> b >> c;
if((b*b-4*a*c)>0)
{
x1 = (0-b+sqrt(b*b-4*a*c))/(a*2);
x2 = (0-b-sqrt(b*b-4*a*c))/(a*2);
cout << setprecision(5) << fixed;
printf("x1=%.5f;x2=%.5f\n",x1,x2... |
27 | 13414 | int main()
{
double i,n,x1,x2;
float a,b,c,x,y;
cin>>n;
for(i=1;i<=n;i++)
{ cin>>a>>b>>c;
if(b==0)
{
if((b*b-4*a*c)>0)
{ x1 = (b + sqrt(b*b-4*a*c))/(2*a);
x2 = (b - sqrt(b*b-4*a*c))/(2*a);
printf("x1=%.5f;",x1);
printf("x2=%.5f\n",x2);
}
else if((b*b-... |
27 | 13415 | main()
{
int n,i;
double a,b,c,d,e,f,x1,x2;
scanf("%d\n",&n);
for(i=1;i<=n;i++)
{
scanf("%lf %lf %lf",&a ,&b, &c);
d=b*b-4*a*c;
if (d>0)
{
x1 = (0-b + sqrt(b*b-4*a*c))/(2*a) ;
x2 = (0-b - sqrt(b*b-4*... |
27 | 13416 | int main()
{
int k,num;
cin >> num;
for ( k=0 ; k<num ; k++ )
{
double a,b,c,x1,x2,sb,xb;
cin>>a>>b>>c;
x1 = (-b + sqrt(b*b-4*a*c))/(2*a);
x2 = (-b - sqrt(b*b-4*a*c))/(2*a);
sb = -b/(2*a);
xb = (sqrt(4*a*c-b*b))/(2*a);
if (fabs(sb)<0.000001)
sb=0; ... |
27 | 13417 | void coutnoneg (double a)
{
if(a==0) cout<<0.0;
else cout<<a;
}
int main()
{
int n;
double a,b,c,d,x1,x2;
cout<<fixed<<setprecision(5);
for(cin>>n;n--;)
{
cin>>a>>b>>c;
d=b*b-4*a*c;
if(d>0)
{
x1 = ( -b + sqrt(b*b-4*a*c))/(2*a);
x2 = (-b - sqrt(b*b-4*a*c))/(2*a);
cout<<"x1=";
coutno... |
27 | 13418 | //x1 = (-b + sqrt(b*b-4*a*c))/(2*a)
//x2 = (-b - sqrt(b*b-4*a*c))/(2*a)
//??????? ax2 + bx + c = 0 ?????a???0?
int main()
{
int n,i;
cin >> n;
for(i = 1;i<=n;i++)
{
double a,b,c,delta,x1,x2;
cin >> a >>b >> c;
delta=b*b-4*a*c;
if(delta >0)
{
x1 = (-b + sqrt(b*b-4*a*c))/(2*a) ;
x2 = (-b - ... |
27 | 13419 |
int main(int argc, char* argv[])
{
int n,i;
double a,b,c,d,e;
scanf("%d",&n);
for(i=0;i<n;i++)
{
scanf("%lf%lf%lf",&a,&b,&c);
d=b*b-4*a*c;
if (b==0)
e=0;
else
e=(-b)/(2*a);
if(d>0)
printf("x1=%.5lf;x2=%.5lf\n",e+sqrt(d)/(2*a),e-sqrt(d)/(2*a));
else if (d<0)
printf("x1=%.5lf+%.5lfi... |
27 | 13420 | int main()
{
int n,i;
cin>>n;
i=0;
double a[100],b[100],c[100],x1,x2,xubu;
while (i<n)
{
cin>>a[i]>>b[i]>>c[i];
i++;
}
i=0;
while(i<n)
{
if(b[i]*b[i]-4*a[i]*c[i]>0)
{
x1=(-b[i]+sqrt(b[i]*b[i]-4*a[i]*c[i]))/(2*a[i]);
x2=(-b[i]-sqrt(b[i]*b[i]-4*a[i]*c[i]))/(2*a[i]);
if(x1==-0) x1=0;
if(x2==-... |
27 | 13421 | int main()
{
float a,b,c;
double m,n,x,y;
cin>>n;
for(m=1;m<=n;m=m+1){
cin>>a>>b>>c;
if(b*b-4*a*c>=0){
x = (-b + sqrt(b*b-4*a*c))/(2*a);
y = (-b - sqrt(b*b-4*a*c))/(2*a);
if(x!=y)
printf("x1=%.5f;x2=%.5f\n",x,y);
else if(x==y)
printf("x1=x2=%.5f\n",x);}
else if(b*b-4*a*c<0){
x=b/2/a*(-1);
y=(sqrt(-b*b... |
27 | 13422 |
int main(int argc, char* argv[])
{
int i,n;
double a,b,c,p,q;
double x1,x2,s;
scanf("%d",&n);
for(i=0;i<n;i++){
scanf("%lf%lf%lf",&a,&b,&c);
s=b*b-4*a*c;
if(s>0){
x1 = (-b + sqrt(s))/(2*a);
x2 = (-b - sqrt(s))/(2*a);
printf("x1=%.5f;x2=%.5f\n",x1,x2);
}
else if(s==0){
x1=-b/(2*a);
printf("x1=x... |
27 | 13423 | /*?????????
???
2012?10?7?10:46:21*/
int main()
{
int n,i;
float a[1000],b[1000],c[1000];
double x1[1000],x2[1000],d[1000],D[1000],y[1000];
cin>>n; //??????n
for(i=1;i<=n;i++) //???i=n???
{
cin>>a[i]>>b[i]>>c[i]; ... |
27 | 13424 | /*
* 1.cpp
* Created on: 2012-9-28
* Author: ???
* ??:?????????
*/
int main(){
int n;//???????
cin>>n;//?????
while(n--){//??n?????
double a,b,c,d,e,delt=0.0,x1,x2;//????a,b,c,d,e,delt,x1,x2
cin>>a>>b>>c;//???????a,b,c
delt=b*b-4*a*c;//?delt??b*b-4*a*c
if(delt==0){//??delt ??0
x1=x2=(-b)/(2*a);/... |
27 | 13425 | int main()
{
double a,b,c,d,e,f,g,x1,x2;
int n,i;
scanf("%d",&n);
for(i=0;i<n;i++)
{
scanf("%lf%lf%lf",&a,&b,&c);
d=b*b-4*a*c;
if(d>0)
{
if(b==0)
{
x1=(b+sqrt(d))/(2*a);
x2=(b-sqrt(d))/(2*a);
printf("x1=%.5lf;x2=%.5lf\n",x1,x2);
}
else
{
x1=(-b+sqrt(d))/(2*a);
x2=(-b-sqrt(d... |
27 | 13426 |
int main()
{
int n; //?? n ?????
double a, b, c, delta, x1, x2; //?? a,b,c,delta,x1,x2 ?????????
cin >> n; //??n
cout << fixed;
for (int i = 1; i <= n; i++)
{
cin >> a >> b >> c; //??a,b,c
delta = b * b - 4 * a * c;
if (delta > 0) //??2??
{
... |
27 | 13427 | /*
* 2.cpp
*
* Created on: 2012-9-29
* Author: 12162
* ????????
*/
int i,n;
double a, b, c,j;
double x[2];
int main()
{
cin>>n;//?????????
for(i=1;i<=n;i++)
{
cin>>a>>b>>c;//????????
if(b==0)//??0???
{b=-b;}
j=b*b-4*a*c;
//???????
if(j>0)
{
x[0] = (-b + sqrt(b*b-... |
27 | 13428 | float a[100],b[100],c[100];
int main()
{
double x1,x2,p,q,s;
int n,i;
cin>>n;
cout<<endl;
for(i=1;i<=n;i++)
{
cin>>a[i]>>b[i]>>c[i];
cout<<endl;
if(b[i]*b[i]-4*a[i]*c[i]>=0)
{
x1=(-b[i]+sqrt(b[i]*b[i]-4*a[i]*c[i]))/(2*a[i]);
x2=(-b[i]-sqrt(b[i]*b[i]-4*a[i]*c[i]))/(2*a[i]);
... |
27 | 13429 | double f5(double x)
{
long long y;
if(x>0)
y=(x+0.000005)*100000;
else y=(x-0.000005)*100000;
x=(double)y/100000;
x=x;
return x;
}
int main()
{
int n,i;
scanf("%d",&n);
double a,b,c,delta,p,q,p1,q1,r;
for(i=1;i<=n;i++)
{
scanf("%l... |
27 | 13430 | /****************************
*file:6.cpp
*author:|?
*time:2013-10-9
*description:
*??????????????
*****************************/
int main()
{
int n; //??????n???n?????
cin >> n;
double a[n], b[n], c[n], x[n], y[n]; //???????a,b,c,x,y;?????????????????????x,y?????
double p[n];//???????p??????????... |
27 | 13431 | int main(void)
{
double a=1.0,b=1.0,c=1.0;
int n=1,k=1;
scanf("%d",&n);
double e[100],f[100],g[100];
for(k=0;k<n;k++)
{
scanf("%lf %lf %lf",&e[k],&f[k],&g[k]);
}
for(k=0;k<n;k++)
{
a=e[k];b=f[k];c=g[k];
if(b*b-4*a*c==0)
printf("x1=x2=%.5lf\n",-b/(2*a));
else if(b*b-4*a*c>0)
... |
27 | 13432 |
int main(int argc, char* argv[])
{
int n;
scanf("%d",&n);
double p[10][3];
for(int i=0;i<n;i++){
double a,b,c;
p[i][0]=a;
p[i][1]=b;
p[i][2]=c;
scanf("%lf %lf %lf",&a,&b,&c);
double x1,x2;
if((b*b-4*a*c)>0){
x1=(-b + sqrt(b*b-4*a*c))/(2*a);
x2=(-b - sqrt(b*b-4*a*c))/(2*a);
... |
27 | 13433 | int main()
{
int n,i;
double a,b,c,di;
scanf("%d",&n);
for (i=1;i<=n;i++)
{
scanf("%lf%lf%lf",&a,&b,&c);
di=b*b-a*c*4;
if (di<0)
{
di=di*(-1);
if(b/(2*a)<0.000001&&-0.000001<b/(2*a))
{
b=0;
printf("x1=%.5lf+%.5lfi;x2=%.5lf%.5lfi\n",b/(2*a),sqrt(di)/(2*a),b/(2*a),(-1)*sqrt(di)/(2*a));
}
... |
27 | 13434 | int main()
{
int n;
scanf("%d",&n);
int i;
double a,b,c;
for (i=0;i<n;i++)
{scanf("%lf%lf%lf",&a,&b,&c);
double x1,x2;
if((b*b-4*a*c)>0)
{x1=(-b+sqrt(b*b-4*a*c))/(2*a);
x2=(-b-sqrt(b*b-4*a*c))/(2*a);
printf("x1=%.5lf;",x1);
printf("x2=%.5lf\n",x2);}
if((b*b-4*a*c)==0)
{x1=(-b/(2*a));
printf("x1=x2=%.... |
27 | 13435 |
int main(int argc, char* argv[])
{
int n,i;
double a,b,c,x1,x2,disc,p,q;
scanf("%d", &n);
for(i=0;i<n;i++)
{
scanf("%lf %lf %lf", &a, &b, &c);
disc=b*b-4*a*c;
if(disc>0)
{
q=sqrt(disc);
x1=((-1)*b+q)/(2*a);
x2=((-1)*b-q)/(2*a);
printf("x1=%.5lf;x2=%.5lf\n", x1, x2);
}
else if(disc==0)
{
... |
27 | 13436 | //********************************
//*?? ????????? *****
//*????? 1300012753 *****
//*???2013.10.09 *****
//********************************
int main()
{
int n; // n????????
cin >> n; // ??n
// ????????
for (int i = 1; i <= n; i++)
{
double a, b, c; ... |
27 | 13437 | main()
{
int n,q;
scanf("%d",&n);
double p[n][3];
int j;
for(j=0;j<n;j++)
{
scanf("%lf %lf %lf",&p[j][0],&p[j][1],&p[j][2]);
}
for(q=0;q<n;q++)
{
double a,b,c,x1,x2,d,e;
a=p[q][0];b=p[q][1];c=p[q][2];
if(b*b-4*a*c>0)
{x1 = (-b + sqrt(b... |
27 | 13438 |
int main()
{
const int max=100;
double a[max],b[max],c[max],x1,x2,delta;
int n,i;
scanf("%d",&n);
for (i=1;i<=n;i++) scanf("%lf %lf %lf",&a[i],&b[i],&c[i]);
for (i=1;i<=n;i++)
{
delta=b[i]*b[i]-4*a[i]*c[i];
if (delta>0)
{
x1=(-b[i]+sqrt(delta))/(2*a[i]);
x2=(-b[i]-sqrt(delta))/(2*a... |
27 | 13439 | //********************************
//*????????? **
//*????? 1300012848 **
//*???2013.10.10 **
//********************************
int main()
{
int n;
double a,b,c,z;
cin >> n;
for(int i = 1; i <= n; i++)
{
cin >> a >> b >> c;
z = -b / (2 * a);
if (z == -0)
z = 0;
if(b * b - ... |
27 | 13440 | int main()
{
int n,i;
double a,b,c,x1,x2;
cin>>n;
for(i=1;i<=n;i++)
{
cin>>a>>b>>c;
if((b*b-4*a*c)>0)
{
x1=(-b+sqrt(b*b-4*a*c))/(2*a);
x2=(-b-sqrt(b*b-4*a*c))/(2*a);
printf("x1=%.5f;x2=%.5f\n",x1,x2);
continue;
}
... |
27 | 13441 |
int main()
{
double a[100],b[100],c[100],x1[100],x2[100],s[100],x[100];
int n,i;
scanf("%d",&n);
for(i=1;i<=n;i++)
{
scanf("%lf%lf%lf",&a[i],&b[i],&c[i]);
if(b[i]*b[i]-4*a[i]*c[i]>0)
{
x1[i]=(-b[i]+sqrt(b[i]*b[i]-4*a[i]*c[i]))/(2*a[i]);
x2[i]=(-b[i]-sqrt(b[i]*b[i]-4*a[i]*c[i]))/(2*a[i]);
print... |
27 | 13442 | int main()
{
int n;
int i;
cin>>n;
double a,b,c;
for(i=1;i<=n;i++)
{
cin>>a>>b>>c;
if(b*b-4*a*c>=0)
{
double x1,x2;
x1 = (-b+sqrt... |
27 | 13443 |
int main()
{
int n,i;
double a,b,c,e,d;
scanf("%d\n",&n);
for (i=0;i<n;i++)
{
scanf("%lf%lf%lf",&a,&b,&c);
e=b*b-4*a*c;
d=(-b/(2*a));
if(e>0)
printf("x1=%.5lf;x2=%.5lf\n",d+sqrt(e)/(2*a),d-sqrt(e)/(2*a));
else if(e==0)
printf("x1=x2=%.5lf\n",d);
else
... |
27 | 13444 | main()
{
int j,n;
double q[100],w[100],e[100],a,b,c,p,x1,x2,h,g;
scanf("%d",&n);
for(j=0;j<=n-1;j++)
{
scanf("%lf %lf %lf",&q[j],&w[j],&e[j]);
}
for(j=0;j<=n-1;j++)
{
a=q[j];
b=w[j];
... |
27 | 13445 |
int file0()
{float a,b,c;
scanf("%f%f%f",&a,&b,&c);
double x1,x2,p,e,f;
a=4*a;
b=4*b;
c=4*c;
p=b*b-4*a*c;
if(p>0)
{ x1=(-b+sqrt(p))/(2*a);
x2=(-b-sqrt(p))/(2*a);
printf("x1=%.5f;x... |
27 | 13446 |
int main(int argc, char* argv[])
{
int n;
scanf("%d",&n);
int i=0;
do{
double a,b,c;
scanf("%lf%lf%lf",&a,&b,&c);
double x1,x2;
if(b*b-4*a*c>0)
{{if(b!=0)
{x1 = (-b + sqrt(b*b-4*a*c))/(2*a);
x2 = (-b - sqrt(b*b-4*a*c))/(2*a);
printf("x1=%.5lf;x2=%.5f\n",x1,x2);}}
{if(b==0)
{x1 = (b ... |
27 | 13447 | int main()
{
double a[100],b[100],c[100],d,e,f;
int n,i;
scanf("%d", &n);
for(i=1;i<=n;i++){scanf("%lf%lf%lf", &a[i],&b[i],&c[i]);}
for(i=1;i<=n;i++){
d=b[i]*b[i]-4*a[i]*c[i];
e=-b[i]/(2*a[i]);
if(e==0){e=0.00000;}
... |
27 | 13448 | int main(int argc, char* argv[])
{
int i,j;
double a,b,c;
double m,n,x1,x2,d;
scanf("%d",&j);
for(i=0;i<j;i++){
scanf("%lf %lf %lf",&a,&b,&c);
d=b*b-4*a*c;
if (d==0){
m=-b/(2*a);
n=sqrt(d);
x1=x2=m;
printf("x1=x2=%.5lf\n",m);
}
else if (d>0){
m=-b/(2*a);
n=s... |
27 | 13449 | main()
{
int n,l;
scanf("%d",&n);
double a[100][5],b[100][6];
for(l=0;l<=n-1;l++)
{
scanf("%lf %lf %lf",&a[l][0],&a[l][1],&a[l][2]);
a[l][3]=a[l][1]*a[l][1]-4*a[l][0]*a[l][2];
if(a[l][3]>0)
... |
27 | 13450 | int main()
{
int n=0,i=0;
cin>>n;
for(i=1;i<=n;i++)
{double a,b,c,d;
cin>>a>>b>>c;
d=b*b-4*a*c;
if(d==0)
{
if(b!=0)cout<<fixed<<setprecision(5)<<"x1=x2="<<(-b/(2*a))<<endl;
if(b==0)cout<<fixed<<setprecision(5)<<"x1=x2="<<b<<endl;
}
else if(d>0)
{
if(b!=0)cout<<fixed<<setprecision(5)<<"x1="<<(-b+sqrt(d... |
27 | 13451 | int main(void)
{
int repeat, ri;
double a, b, c, d;
scanf("%d", &repeat);
for(ri = 1; ri <= repeat; ri++)
{
scanf("%lf %lf %lf", &a, &b, &c);
d=b*b-4*a*c;
if (d>0)
{
printf("x1=%.5f;", (-b+sqrt(d))/(2*a));
printf("x2=%.5f\n", (-b... |
27 | 13452 | int main()
{
int n,m;
double a,b,c,x,y,p,q,disc;
scanf("%d",&n);
for(m=1;m<=n;m++)
{
scanf("%lf %lf %lf",&a,&b,&c);
disc=b*b-4*a*c;
p=-b;
p=p/2;
p=p/a;
if (disc>0)
{
q=sqrt(disc);
q=q/2.0;
q=q/a;
x=p+q;y=p-q;
printf("x1=%.5f;x2=%.5f",x,y);
printf("\n");
}
else if (disc==0)
{
... |
27 | 13453 | void main()
{
double x1[32768],x2[32768],xi[32768],a,b,c,t;
int n,i;
scanf("%d",&n);
for (i=1;i<=n;i++)
{
scanf("%lf %lf %lf",&a,&b,&c);
t=b*b-4*a*c;
if (t>=0)
{
x1[i]=(-b+sqrt(t))/(2*a);
x2[i]=(-b-sqrt(t))/(2*a);
if(fabs(x1[i])<1e-6) x1[i]=0;
if(fabs(x2[i])<1e-6) x2[i]=0;
}
else if(t<0)
{... |
27 | 13454 | int main() {
int n;
cin >> n;
double a, b, c, x1, x2;
while (n--) {
cin >> a >> b >> c;
if ((b * b - 4 * a * c) > 0) {
x1 = (0 - b) / (2 * a);
x2 = (sqrt(b * b - 4 * a * c)) / (2 * a);
printf("x1=%.5f;x2=%.5f\n", x1 + x2, x1 - x2);
} else if ((b * b - 4 * a * c) < 0) {
x1 = (0 - b) / (2 * a);
i... |
27 | 13455 | int main()
{
int n;
double d[20];/*????????*/
double e[20];
double f[20];
scanf("%d",&n);
int s,t;
double a,b,c,x1,x2,y,z;
for (s=1;s<=n;s++)
scanf("%lf %lf %lf",&d[s],&e[s],&f[s]);
for(t=1;t<=n;t++)
{
a=d[t];/*?????????*/
b=e[t];
c=f[t];
if... |
27 | 13456 |
int main(int argc, char* argv[])
{
int n;
scanf("%d",&n);
int m;
double a,b,c,x1,x2,dt,xubu,shibu;
for (m=1;m<n+1;m++)
{
scanf("%lf""%lf""%lf",&a,&b,&c);
dt=b*b-4*a*c;
if (dt>0)
{
x1=(-b+sqrt(dt))/(a*2);
x2=(-b-sqrt(dt))/(a*2);
printf("x1=%.5lf;x2=%.5lf\n",x1,x2);
}
... |
27 | 13457 | int main ()
{
double a,b,c,d,e,q,x1,x2;
int n,i=0;
scanf("%d",&n);
while(i<n)
{scanf("%lf%lf%lf",&a,&b,&c);
d=b*b-4*a*c;
if(d>0)
{x1=(-b+sqrt(d))/(2*a);
x2=(-b-sqrt(d))/(2*a);
printf("x1=%.5f;x2=%.5f\n",x1,x2);}
if(d==0)
{x1=-b/(2*a);
printf("x1=x2=%.5f\n",x1);}
if(d<0)
{e=(sqrt(-d))/(... |
27 | 13458 | void main()
{
int n,i=1;
double a[100],b[100],c[100],x1,x2,realpart,imagpart,disc;
scanf("%d",&n);
while (i<=n)
{
scanf("%lf %lf %lf",&a[i],&b[i],&c[i]);
i+=1;
}
i=1;
while (i<=n)
{
disc=b[i]*b[i]-4*a[i]*c[i];
if (disc>0)
{
x1=(-b[i] + sqrt(disc))/(2*a[i]) , x2=(-b[i] - sqrt(disc))/(2*a[i]);
if ( fabs(... |
27 | 13459 | int main()
{
int n,i,k;
double s,t,m;
scanf("%d",&n);
double a[100];
for(i=0;i<3*n;i++)
scanf("%lf",&a[i]);
for(k=0;k<3*n;k++)
{
if(k%3==0)
{
m=a[k+1]*a[k+1]-4*a[k]*a[k+2];
if(m>0)
{
s=(-a[k+1]+sqrt(m))/(2*a[k]);
t=(-a[k+1]-sqrt(m))/(2*a[k]);
printf("x1=%.5lf;x2=%.5lf\n"... |
27 | 13460 | int main()
{
int n,i;
double a,b,c,x1,x2,x,y;
cin>>n;
for(i=1;i<=n;i++)
{ cin>>a>>b>>c;
float m;
m=b*b-4*a*c;
if(m==0)
{ x=-b/(2*a);
cout<<fixed<<setprecision(5)<<"x1=x2="<<x<<endl;
}
else
{ if (m>0)
{x1=(-b+sqrt(m))/(2*a);
x2=(-b-sqrt(m))/(2*a);
cout<<fixed<<set... |
27 | 13461 | main()
{
int n,i;
float a,b,c;
double x1,x2;
scanf("%d",&n);
for(i=1;i<=n;i++)
{
scanf("%f %f %f ",&a,&b,&c);
if(b*b-4*a*c>0)
{
x1=(double )(0-b+sqrt(b*b-4*a*c))/(2*a);
x2=(double )(0-b-sqrt(b*b-4*a*c))/(2*a);
printf("x1=%.5lf;x2=%.5lf\n",x1,x2);
}
if(b*b-4... |
27 | 13462 |
int main()
{
int n,i;
double a,b,c;
double s,t,m,k,u;
scanf("%d",&n);
for(i=1;i<=n;i++)
{scanf("%lf%lf%lf",&a,&b,&c);
if(b*b-4*a*c>0)
{s=-(b/(2*a))+sqrt(b*b-4*a*c)/(2*a);
t=-(b/(2*a))-sqrt(b*b-4*a*c)/(2*a);
printf("x1=%.5lf;x2=%.5lf\n",s,t);
}
else if(b*b-4*a*c==0)
{
k=(-b)/(2*a);
printf("x1=x2=%.... |
27 | 13463 |
int main()
{
int n,i;
double a,b,c,d,m,k;
scanf("%d",&n);
for(i=1;i<=n;i++)
{
scanf("%lf%lf%lf",&a,&b,&c);
d=b*b-4*a*c;
if(d==0)
{
m=-b/2/a;
printf("x1=x2=%.5lf\n",m);
}
else if(d>0)
{
m = (-b + sqrt(b*b-4*a*c))/(2*a);
k = (-b - sqrt(b*b-4*a*c))/(2*a);
printf("x1=%.5lf;x2=%.5lf\n",m,k... |
27 | 13464 | int main()
{
double a,b,c;
double x1,x2,delta;
double root;
int n,i;
scanf("%d",&n);
for(i=1;i<=n;i++)
{
scanf("%lf %lf %lf",&a,&b,&c);
delta=b*b-4*a*c;
if(delta<0)
{
delta=-delta;
root=(-b)/(2*a);
if(root==0) root=-root;
printf("x1=%.5f",root);
printf("+");
printf("%.5f",sqrt(delta)/(2*a));
... |
27 | 13465 | int main()
{
float a,b,c,d,p,q;
double x1,x2;
int i,n,k;
scanf("%d",&n);
for (i=1;i<=n;++i)
{
scanf("%f%f%f",&a,&b,&c);
d=sqrt(b*b-4*a*c);
if(d>0)
{
x1 = (-b + d)/(2*a);
x2 = (-b - d)/(2*a);
printf("x1=%.5f;x2=%.5f\n",x1,x2);
}
else if(d==0)
{
x1 = (-b + d)/(2*a);
printf("x1=x2=%.5f\n... |
27 | 13466 | int main()
{
int n,i;
double u[100],s[100],delta[100],x1[100],x2[100],a[100],b[100],c[100];
scanf("%d",&n);
for (i=0;i<n;i++)
{
scanf("%lf%lf%lf",&a[i],&b[i],&c[i]);
}
for (i=0;i<n;i++)
{
delta[i]=pow(b[i],2)-4*a[i]*c[i];
if(delta[i]>0)
{
x1[i]=((0-b[i])+sqrt(delta[i]))/(2*a[i]);
x2[i]=((0-b[i])-s... |
27 | 13467 | int main()
{
int n;
cin>>n;
double a,b,c;
for(int i=1;i<=n;i++)
{
cin>>a>>b>>c;
double d=b*b-4*a*c;
if(d>0)
{
double x1=(-b + sqrt(d))/(2*a);
double x2=(-b - sqrt(d))/(2*a);
cout<<fixed<<setprecision(5)<<"x1="<<x1<<";"<<"x2="<<x2<<endl;
}
if(d==0)
{
double x=(-b)... |
27 | 13468 | int main(int argc, char *argv[])
{
double a[100][3],delta,x1,x2,real1,real2,imz1,imz2;
int n,i,j;
scanf("%d",&n);
for (i=0;i<=n-1;i++)
{
for (j=0;j<=2;j++)
{
scanf("%lf",&a[i][j]);
}
delta=a[i][1]*a[i][1]-4*a[i][0]*a[i][2];
if (delta>0)
{x1=((-1)*a[i][1]+sqrt(delt... |
27 | 13469 | void main()
{
int i,n;
double a,b,c;
double d,x1,x2;
scanf("%d",&n);
for (i=0;i<n;i++)
{
scanf("%lf %lf %lf",&a,&b,&c);
d=b*b-4*a*c;
if (d>0)
{
x1=(-b+sqrt(d))/(2*a);
x2=(-b-sqrt(d))/(2*a);
printf("x1=%.5lf;x2=%.5lf\n",x1,x2);
}
if (d==0)
{
x1=-b/(2*a);
printf("x1=x2=%.5lf\n",x1);
... |
27 | 13470 | int main()
{
int n, i;
double a, b, c, dt;
scanf("%d", &n);
for(i=0;i<n;i++)
{
scanf("%lf%lf%lf", &a, &b, &c);
dt=b*b-4*a*c;
if(dt>0)
{
printf("x1=%.5f;x2=%.5f\n", (-b+sqrt(dt))/(2*a), (-b-sqrt(dt))/(2*a));
}
else if(dt==0)
{
if(b==0)
{
printf("x1=x2=0\n");
}
else
{
printf("... |
27 | 13471 | //****************************************
//*?? ????????? **
//*?????? 1100013020 **
//*???2011.9.23 **
//****************************************
int main()
{
int i,n,j;
double a[100],b[100],c[100],x1[100],x2[100],k[100],l[100],p[100]; //???????????
i=1;
j=1;... |
27 | 13472 | int main()
{
int x,n;
double a,b,c,x1,x2,disc,p,q;
double w[99][3];
scanf("%d\n",&n);
for(x=0;x<n;x++)
{
scanf("%lf %lf %lf\n",&a,&b,&c);
w[x][0]=a;
w[x][1]=b;
w[x][2]=c;
}
for(x=0;x<n;x++)
{
a=w[x][0];
b=w[x][1];
c=w[x][2];
disc=b*b-4*a*c;
if(fabs(disc)<1e-6)
printf("x1=x2=%.5f\n",-b/2/a... |
27 | 13473 | int main(){
int n;
scanf("%d",&n);
int i;
for(i=0;i<n;i++){
float a,b,c;
scanf("%f %f %f",&a,&b,&c);
if(b*b-4*a*c>=0){
if((-b+sqrt(b*b-4*a*c))/(2*a)==(-b-sqrt(b*b-4*a*c))/(2*a)){
printf("x1=x2=%.5lf\n",(-b+sqrt(b*b-4*a*c))/(2*a));
}
else {printf("x1=%.5lf;x2=%.5lf\n",(-b+sqrt(b*b-4*a*c))/(2... |
27 | 13474 | int main()
{
int n;
double a,b,c,x1,x2,r1,r2,i1;
cin>>n;
while(n--)
{
cin>>a>>b>>c;
if(b*b-4*a*c>0)
{
r1=(-b + sqrt(b*b-4*a*c))/(2*a);
r2=(-b - sqrt(b*b-4*a*c))/(2*a);
x1=r1>r2?r1:r2;
x2=r1<r2?r1:r2;
cout<<fixed<<setprecision(5)<<"x1="<<x1<<";x2="<<x2<<endl;
}
else if(b*b-4*a*c<0)
... |
27 | 13475 | main()
{
int n,i;
double a,b,c,x1,x2;
scanf("%d",&n);
for(i=1;i<=n;i++)
{
scanf("%lf %lf %lf",&a,&b,&c);
if ((b*b-4*a*c)>0)
{x1 = (-b + sqrt(b*b-4*a*c))/(2*a) ;
x2 = (-b - sqrt(b*b-4*a*c))/(2*a);
printf("x1=%.5lf;x2=%.5lf\n",x1,x2);}
else if ((b*b-4*a*c)==0)
{x1=x2=(-b + sqrt(b*b-4*a*c))/(2*a);
printf("x1=x2=%.5lf\n",... |
27 | 13476 | int main()
{
int n,i;
double a,b,c,x1,x2,d,r;
cin >>n;
for (i=1;i<=n;i++)
{
cin >>a>>b>>c;
d=b*b-4*a*c;
if (d>0)
{
x1=(-b+sqrt(d))/(2*a);
x2=(-b-sqrt(d))/(2*a);
cout <<"x1=";
printf("%.5f",x1);
cout <<";x2=";
printf("%.5f",x2);
cout <<endl;
}
else if (d<0)
{
r=-b/(2*a);
d=a... |
27 | 13477 | main()
{int n,m;
double p,q,t,x1,x2;
float b[1005],a[1005];
scanf("%d",&n);
for (m=0;m<3*n;m=m+3)
{
scanf("%f %f %f",&b[m],&b[m+1],&b[m+2]);
a[m]=b[m];
a[m+1]=b[m+1];
a[m+2]=b[m+2];
}
for(m=0;m<=3*n-1;m=m+3)
{
t=a[m+1]*a[m+1]-4*a[m]*a[m+2];
if (t>=0)
if(t==0)
{
p=-1*a[m+1]/(2... |
27 | 13478 | int main()
{
int n,i;
double a[100],b[100],c[100], det,t,x,y;
scanf("%d",&n);
for(i=1;i<=n;i++)
{
scanf("%lf %lf %lf",&a[i-1],&b[i-1],&c[i-1]);
}
for(i=1;i<=n;i++)
{
det=b[i-1]*b[i-1]-4*a[i-1]*c[i-1];
t=-b[i-1]/(2*a[i-1]);
x=sqrt(det)/(2*a[i-1]);... |
27 | 13479 | double dt(double a,double b,double c)
{
return(b*b-4*a*c);
}
double ba(double a,double b)
{
return(-b/(2*a));
}
double gdt(double a,double dtt)
{
return(sqrt(dtt)/(2*a));
}
double yu(double a,double b,double c)
{
return(sqrt(fabs(-dt(a,b,c)/(4*a))));
}
void main()
{
int n;
double a,b,c;
scanf("%d",&n);
int i;
... |
27 | 13480 | int main ()
{
int n,i;
float a,b,c;
double x1,x2;
scanf("%d",&n);
for(i=0;i<n;i++)
{
scanf("%f %f %f",&a,&b,&c);
if((b*b-4*a*c)>0)
{
x1=((-1)*b+sqrt(b*b-4*a*c))/(2*a);
x2=((-1)*b-sqrt(b*b-4*a*c))/(2*a);
printf("x1=%.5f;x2=%.5f\n",x1,x2);
}
if((b*b-4*a*c)==0)
{
x1=((-1)*b+sqrt(b*b-4*a*c))/(... |
27 | 13481 | int main()
{
double a, b, c,d,g,x1,x2;
int n,i;
scanf("%d",&n);
for(i=0;i<n;i++)
{
scanf("%lf%lf%lf",&a,&b,&c);
d=(-b)/(2*a) ;
g=(sqrt(fabs(4*a*c-b*b)))/(2*a);
if((b*b-4*a*c)>0)
{
x1=d+g;
x2=d-g;
printf("x1=%.5lf;",x1);
printf("x2=%.5lf\n",x2);
}
else if((b*b-4*a*c)==0)
{
x1=... |
27 | 13482 | //********************************
//*???????????? **
//*????? 1300012707 **
//*???2013.10.9 **
//********************************
int main()
{
double a, b, c, r1, r2, x1, x2;
int n;
cin >> n;
for ( int i = 1; i <= n; i = i + 1)
{
cin >> a >> b >> c;
if ( b == 0)
{
b = -b;
}
if... |
27 | 13483 |
int main()
{
int n,i;
double a,b,c,x1,x2,G,y;
scanf("%d\n",&n);
for (i=0;i<n;i++)
{
scanf("%lf%lf%lf\n",&a,&b,&c);
G=b*b-4*a*c;
if (G>0)
{
x1=(-b+sqrt(b*b-4*a*c))/(2*a);
if(x1==0){
x1=0-x1;
}
x2=(-b-sqrt(b*b-4*a*c))/(2*a);
if(x2==0){
x2=0-x2;
}
if (x1==x2) printf("x1... |
27 | 13484 | main()
{
double x1,x2,a,b,c;
int n,i;
scanf("%d",&n);
for(i=0;i<n;i++)
{
scanf("%lf %lf %lf",&a,&b,&c);
if(b*b-4*a*c<0)
{ if(b==0)
{ x1=(sqrt(4*a*c-b*b))/(2*a);
pri... |
27 | 13485 | void main()
{
int i,n;
float a[100],b[100],c[100];
double x1,x2,d;
scanf ("%d",&n);
for (i=0;i<=n-1;i++)
{
scanf("%f%f%f",&(a[i]),&(b[i]),&(c[i]));
}
for (i=0;i<=n-1;i++)
{
d=b[i]*b[i]-4*a[i]*c[i];
if (d>0)
{
x1=(-b[i])/(2*a[i])+sqrt(b[i]*b[i]-4*a[i]*c[i])/(2*a[i]);
x2=(-b[i])/(2*a[... |
27 | 13486 | int main(){
int n;
float a,b,c;
double x1,x2,m;
scanf("%d\n",&n);
for(int i=0;i<n;i++)
{
scanf("%f%f%f",&a,&b,&c);
if(b*b-4*a*c>0)
{
x1=(-b+sqrt(b*b-4*a*c))/(2*a);
x2=(-sqrt(b*b-4*a*c)-b)/(2*a);
printf("x1=%.5f;x2=%.5f\n",x1,x2);
}
else if(b*b-4*a*c==0)
{
if(b==0){x1=x2=0... |
27 | 13487 | int main()
{
int n,i;
double a,b,c;
double x1[100],x2[100],s1[100],s2[100];
scanf("%d",&n);
for(i=1;i<=n;i++)
{
scanf("%lf%lf%lf",&a,&b,&c);
if( (b*b-4*a*c)==0 )
{
x1[i]=x2[i]=(-b)/(2*a);
s2[i]=0.0;
}
else if( (b*b-4*a*c)>0 )
{
x1[i]=(-b+sqrt(b*b-4*a*c))/(2*a);
... |
27 | 13488 | int main()
{
int j=1,n,i;
float a,b,c;
double x1,x2,t,p,q;
cin>>n;
while(j<=n)
{
cin>>a>>b>>c;
t=b*b-4*a*c;
if(t>0)
{
x1=(0-b+sqrt(t))/(2*a);
x2=(0-b-sqrt(t))/(2*a);
//cout<<"x1="<<printf("%.5f", x1)<<";"<<"x2="<<printf("%.5f", x2)<<endl;
printf("x1=%.5lf;x2=%.5lf\n",x1,x2);
}
if(t==0)
{... |
27 | 13489 | int main()
{
int n, i;
scanf("%d", &n);
double a, b, c, x1, x2, p;
for(i=1;i<=n;i++){
scanf("%lf %lf %lf", &a, &b, &c);
p=b*b-4*a*c;
if(p>0){
x1=(-b+sqrt(p))/(2*a);
x2=(-b-sqrt(p))/(2*a);
printf("x1=%.5lf;x2=%.5lf\n", x1, x2);
}
else if(p==0){
printf("x1=x2=%.5lf\n", -b/(2*a));
}
... |
27 | 13490 |
int main()
{
int n,i;
double a[100],b[100],c[100];
double x1[100],x2[100];
double s[100],t[100];
scanf("%d",&n);
for (i=0;i<n;i++)
{
scanf("%lf%lf%lf",&a[i],&b[i],&c[i]);
if (b[i]*b[i]-4*a[i]*c[i]>0)
{
x1[i]=(-b[i] + sqrt(b[i]*b[i]-4*a[i]*c[i]))/(2*a[i]);
x2[i]=(-b[i] - sqrt(b[i]*b[i]-4*a[i]*c[i]))/... |
27 | 13491 |
int main(int argc, char* argv[])
{
int n;
scanf("%d/n",&n);
double a=0,b=0,c=0;
for(;n>0;n--){
scanf("%lf %lf %lf",&a,&b,&c);
double x1 = (-b + sqrt(b*b-4*a*c))/(2*a);
double x2 = (-b - sqrt(b*b-4*a*c))/(2*a);
if((b*b-4*a*c)>0){
printf("x1=%.5f;x2=%.5f\n",x1,x2);}
else if((b*b-4*a*c)==0){
... |
27 | 13492 | int main(int argc, char *argv[])
{
int n,i;
double a[100],b[100],c[100];
scanf("%d",&n);
for(i=0;i<n;i++)
{
scanf("%lf %lf %lf",&a[i],&b[i],&c[i]);
}
for(i=0;i<n;i++)
{
if(a[i]!=0)
{
double delta,m,n,x1,x2;
delta=b[i]*b[i]-4*a[i]*c[i];
if(b[i]==0)
... |
27 | 13493 | void main()
{
int n;
scanf("%d",&n);
while (n--)
{
double a,b,c,x1,x2,g,h;
scanf("%lf %lf %lf",&a,&b,&c);
if(b*b-4*a*c>0)
{
x1 = (-b + sqrt(b*b-4*a*c))/(2*a);
x2 = (-b - sqrt(b*b-4*a*c))/(2*a);
printf("x1=%.5f;x2=%.5f\n",x1,x2);
}
else if(b*b-4*a*c==0)
{
x1 = (-b)/(2*a);
print... |
27 | 13494 | int main()
{
double a, b, c,d,e,g,x1,x2;
int n,i;
scanf("%d",&n);
for(i=0;i<n;i++)
{
scanf("%lf%lf%lf",&a,&b,&c);
d=(-b)/(2*a) ;
e=(sqrt(fabs(4*a*c-b*b)))/(2*a);
g=(sqrt(fabs(4*a*c-b*b)))/(2*a);
if((b*b-4*a*c)>0)
{
x1=d+e;
x2=d-g;
printf("x1=%.5lf;",x1);
printf("x2=%.5lf\n",x2);
}
... |
27 | 13495 |
int main()
{
int i,n;
double d,p,q,x1,x2,a,b,c;
scanf("%d",&n);
for(i=1;i<=n;i++)
{
scanf("%lf %lf %lf",&a,&b,&c);
p=b*b-4*a*c;
q=(0-b)/(2*a);
if (p==0)
{
x1=q;
printf("x1=x2=%.5lf\n",x1);
}
else
{
if (p>0)
{
x1=sqrt(p)/(... |
27 | 13496 | int main()
{
int n,i;
double a,b,c,m,x1,x2;
scanf("%d",&n);
for(i=1;i<=n;i++)
{
scanf("%lf %lf %lf",&a,&b,&c);
m=b*b-4*a*c;
if(m>0)
{
x1=(-b+sqrt(m))/(2*a);
x2=(-b-sqrt(m))/(2*a);
printf("x1=%.5lf;x2=%.5lf\n",x1,x2);
}
else if(m==0)
{
x1=-b/(2*a);
printf("x1=x2=%.5lf\n",x1);
}
... |
27 | 13497 | int main()
{
double a,b,c,d,e,f,k,l;
int g,h;
scanf("%d",&g);
for(h=0;h<g;h++)
{
scanf("%lf %lf %lf",&a,&b,&c);
d=b*b-4*a*c;
if(b==0)
b=-b;
if(d>0)
{
e=(-b+sqrt(b*b-4*a*c))/(2*a);
f=(-b-sqrt(b*b-4*a*c))/(2*a);
if(e<f)
{
l=e;
e=f;
f=l;
}
printf("x1=%.5lf;x2=%.5lf\n",e,f);
}
else if(d==... |
27 | 13498 |
int main()
{
int n,i=0;
cin >>n;
for(i=1;i<=n;i=i+1) //??
{
double a,b,c,d;
cin >>a>>b>>c;
d=b*b-4*a*c;
if (b==0)//??-0????
{
if(d>0)
{
cout<<fixed; //????????
cout<<setprecision(5)<<"x1="<<(b + sqrt(b*b-4*a*c))/(2*a) <<";x2="<<(b - sqrt(b*b-4*a*c))/(2*a)<<endl;
... |
27 | 13499 |
int main() {
double derta,a,b,c;
int n,i;
cin >> n;
for (i=0;i<n;i++)
{
cin >> a >> b >> c;
derta=b*b-4*a*c;
cout.precision(5);
cout << fixed;
if (derta==0)
cout << "x1=x2=" <<b/(-2*a)<<endl;
else if (derta>0)
cout << "x1=" << (-b+sqrt(derta))/(2*a) << ';' << "x2=" << (-b-sqrt(derta))/(2*a)<... |
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