label stringlengths 1 2 | index stringlengths 1 5 | code stringlengths 87 8.24k |
|---|---|---|
27 | 13100 | /*
???:????????
???:??
????:2011.9.16
*/
int main() //???
{ //?????
int n,num;
double a,b,c,d,e,f;
cin >> num; ... |
27 | 13101 | int main()
{
int k;
double a , b , c , x1 , x2 , m ,n;
cin >> k ;
for(int i=1 ; i <= k ; i++)
{
cin >> a >> b >> c;
if(b*b-4*a*c == 0)
{
cout << fixed;
cout << setprecision(5) << "x1=x2=" << (-b)/(2*a) << endl;
}
else
if(b*b-4*a*c > 0)
{
x1 = (-b + sqrt(b * b - 4 * a * c)) / (2 * a);
x2... |
27 | 13102 | void main()
{
double a,b,c,d,r,h,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;
r=(-b)/(2*a);
if(fabs(d)<=(1e-6))
{
x1=r;
printf("x1=x2=%.5lf\n",x1);
}
else if(d>1e-6)
{
x1=r+sqrt(d)/(2*a);
x2=r-sqrt(d)/(2*a);
printf("x1=%.5lf;x2=%.5lf\... |
27 | 13103 |
int main() {
int n;
scanf("%d", &n);
for (int i = 0; i < n; ++i) {
double a, b, c;
scanf("%lf%lf%lf", &a, &b, &c);
double delta = b*b - 4*a*c;
double x1, x2;
if (delta > 0) {
x1 = (-b + sqrt(delta)) / (2*a);
x2 = (-b - sqrt(delta)) / (2*a);
if (x1 == 0.0)
x1 = 0.0;
if (x2 == 0.0)
x2 ... |
27 | 13104 | int main()
{
int n;
double a[100];
double b[100];
double c[100];
double d,x1[100],x2[100],e,f;
int j;
scanf("%d",&n);
for(j=0;j<n;j++)
{
scanf("%lf%lf%lf",&a[j],&b[j],&c[j]);
}
for (j=0;j<n;j++)
{
d=b[j]*b[j]-4*a[j]*c[j];
if(d>0)
{
x1[j]=(-b[j]+sqrt(d))/(2*a[j]);
x2[j]=(-b[j]-sqrt(d... |
27 | 13105 |
double x1 ( double a , double b , double c ){
double x11 ;
double det = b*b-4*a*c ;
if ( det >= 0 ) x11 = (-b + sqrt(det))/(2*a);
else x11 = sqrt(-det)/(2*a);
return(x11);
}
double x2 ( double a , double b , double c ){
double x22;
double det = b*b-4*a*c ;
if(det >= 0) x22 = (-b - sqrt(det)) / (2*a);
else x2... |
27 | 13106 |
int main()
{
int n=0;
float a[10];
float b[10];
float c[10];
double x1[10];
double x2[10];
int j;
scanf("%d",&n);
for(j=0;j<n;j++)
{
scanf("%f %f %f\n",&a[j],&b[j],&c[j]);
}
for(j=0;j<n;j++)
{
if((b[j]*b[j]-4*a[j]*c[j])>0)
{
x1[j]=(-b[j] + sqrt(b[j]*b[j]-4*a[j]*c[j]))/(2*a[j]);
x2[j]=... |
27 | 13107 |
int main(int argc, char* argv[])
{
int n;
scanf("%d",&n);
double x1=0, x2=0, a, b, c, i, j, k, d, e;
for(i=1, j=1, k=1;i<=n, j<=n, k<=n;i++, j++, k++)
{
scanf("%lf%lf%lf",&a, &b, &c);
x1 = (-b + sqrt(b*b-4*a*c))/(2*a);
x2 = (-b - sqrt(b*b-4*a*c))/(2*a);
if(((x1)*(x2)>=0)&&((x1)!=(x2)))
{
pri... |
27 | 13108 | //By Dr.Z
int solve(float a,float b,float c); //????
int main()
{
cout<<fixed<<setprecision(5);
int n,i,j; //????
cin>>n; //?????n
float S[n][3]; //????????
for(i=0;i<=(n-1);i++) //??????
{
for(j=0;j<=2;j++) cin>>S[i][j];
}
for(i=0;i<=(n-1);i++)
{
solve(S[i][0],S[i][1],S[i][... |
27 | 13109 | int main(int argc, char* argv[])
{
double x1,x2,a,b,c,s,q,w;
int n,j;
scanf("%d",&n);
for(j=1;j<=n;j++)
{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=%.5lf;x2=%.5lf\n",x1,x2);}
else if(s==0)
{{if(b==0)
x1=x2=0;
else
x1=x2=-b/(2*a);}
p... |
27 | 13110 | int main()
{
double n, x1, x2, a, b, c, i, delta;
cin >> n;
for (i = 1; i <= n; i ++)
{
cin >> a >> b >> c;
delta = b * b - 4 * a * c;
if (delta == 0)
{
x1 = x2 = (double)(- b / (2 * a));
printf("x1=x2=%.5lf\n", x1);
}
else if(delta > 0)
{
x1 = (double)(-b + sqrt(delta))/(2 * a);
x2 = (dou... |
27 | 13111 | 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);
if(x1 == -0)
{
x1 = 0;
}
if(x2 == -0)
{
x2 = 0... |
27 | 13112 |
//?????????
int main()
{
int n, i;
double a, b, c, x1, x2, real, imaginary;
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)... |
27 | 13113 | float derta(float x,float y,float z)
{
return(y*y-4*x*z);
}
void main()
{
float a,b,c;
int n,i;
scanf("%d",&n);
for(i=0;i<n;i++)
{
scanf("%f%f%f",&a,&b,&c);
if(a!=0)
{
if(derta(a,b,c)==0)
{
printf("x1=x2=%.5f\n",-b/(2*a));
}
else if(derta(a,b,c)>0)
{
printf("x1=%.5f;x2=%.5f\n",(-b+sq... |
27 | 13114 | //**************************************
//* ???????????? **
//* ?????? 1300012722 **
//* ???2013.10.10 **
//**************************************
int main()
{
int n , i=1 ; //?????????n
double a , b , c , x1 , x2 , delta , m; //????ax2 + bx + c =0????????????x1?x2?b*b-4*a*c??,-b/(2*a)d... |
27 | 13115 | int main()
{
int n,ni;
cin>>n;
for(ni=1;ni<=n;ni=ni+1)
{
double a,b,c,x1,x2,t;
cin>>a>>b>>c;
t=(-b)/(2*a);
if(fabs(t) < 1e-9)
t= 0;
if (b*b-4*a*c>0)
{
cout<<"x1=" ;
printf("%.5f",(t + sqrt(b*b-4*a*c)/(2*a)));
cout<<";";
cout<<"x2=";
printf("%.5f",... |
27 | 13116 | int main()
{
int num;
double *d,*e,*f,x1,x2,x3,x4,a,b,c;
scanf("%d",&num);
d=(double *)malloc(num*sizeof(double));
e=(double *)malloc(num*sizeof(double));
f=(double *)malloc(num*sizeof(double));
int i;
for(i=0;i<num;i++)
{
scanf("%lf %lf %lf",d+i,e+i,f+i);
}
for(i=0;i... |
27 | 13117 | /*
* 1.cpp
*
* Created on: 2012-10-12
* Author: 99003
*/
int main(){
int n;
double a,b,c,delta;
double x1,x2;
cin>>n;//??????
while(n>0){
cin>>a>>b>>c; //??3???
delta=b*b-4*a*c;//??delta
if(delta>0){ //?????
x1=(0.000-b+sqrt(delta))/2.0/a;
x2=(0.000-b-sqrt(delta))/2.0/a;
cout<<"x1=";//???... |
27 | 13118 | int main()
{
int n;
cin>>n;
for(int i=0;i<n;i++)
{
double a,b,c;
cin>>a>>b>>c;
double delta,x1,x2;
delta=b*b-4*a*c;
if(delta>0)
{
x1 = (-b + sqrt(b*b-4*a*c))/(2*a) ;
x2 = (-b - sqrt(b*b-4*a*c))/(2*a) ;
cout<<"x1=";
printf("%.5f", x1);
cout<<";x2=";
printf("%.5f",x2);
cout<<endl;
}
else... |
27 | 13119 | int main()
{
int n,j;
double a[20],b[20],c[20],x1[20],x2[20];
scanf("%d",&n);
for(j=0;j<=n-1;j++)
{
scanf("%lf%lf%lf",&a[j],&b[j],&c[j]);
}
for(j=0;j<=n-1;j++)
{
if(b[j]*b[j]-4*a[j]*c[j]>=0){
if(b[j]*b[j]-4*a[j]*c[j]>0){
x1[j]=(-b[j]+sqrt(b[j]*b[j]-4*a[j]*c[j]))/(2*a[j]);
x2[j]=(-b[j]-sqrt(... |
27 | 13120 | int main()
{
double a,b,c,p,p1,x1,x2,y1,z;
int n,i;
scanf("%d",&n);
for(i=0;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)
{
x1=(-b)/(2*a);
x2=(-b)/(2*a);
printf("x1=x2... |
27 | 13121 | int main()
{int i,n;
float a,b,c,d;
double disc,x1,x2,rpart,ipart;
scanf("%d",&n);
for(i=1;i<=n;i++)
{scanf("%f %f %f",&a,&b,&c);
disc=b*b-4*a*c;
d=-b/(2*a);
if(fabs(disc)<=1e-6)
{printf("x1=x2=%.5lf\n",d);
}
else
if(disc>1e-6)
{x1=(-b+sqrt(disc))/(2*a);
x2=(-b-sqrt(disc))/(2*a);
printf("x1=%.5lf;x2=%.5lf\n",x1,x2... |
27 | 13122 | int main(int argc, char* argv[])
{
int n,j;
scanf("%d",&n);
for(j=1;j<=n;j++){
double a,b,c,d,e,x1,x2;
scanf("%lf%lf%lf",&a,&b,&c);
d=b*b-4*a*c;
e=-(b/(2*a));
if(d>0){
x1=e+(sqrt(d))/(2*a);
x2=e-(sqrt(d))/(2*a);
printf("x1=%.5lf;x2=%.5lf\n",x1,x2);
}
if(d==0){
x1=e;
printf("x1=x2=%.5lf\n... |
27 | 13123 | /*
* ?????????.cpp
*
* Created on: 2013-9-30
* Author: 111
*/
int main()
{
int n; //????
double a,b,c,x1,x2,shibu,xubu,delt;
cin>>n;
for (int i=1;i<=n;i++) //?n?????
{
cin>>a>>b>>c;
delt=b*b-4*a*c; //delt????
if (delt>0)
... |
27 | 13124 | void main()
{
int i,n;
scanf("%d/n",&n);
double x1,x2,a,b,c,x,y;
for (i=0;i<n;i++)
{
scanf("%lf%lf%lf\n",&a,&b,&c);
x=(sqrt(b*b-4*a*c))/(2*a);
if (x>0)
{
x1=-b/(2*a)+x;
x2=-b/(2*a)-x;
printf("x1=%.5lf;x2=%.5lf\n",x1,x2);
}
else if (x==0)
{
x1=-b/(2*a);
printf("x1=x2=%.5lf\n",x1);
}
... |
27 | 13125 | int main(int argc, char* argv[])
{
float a[50],b[50],c[50];
int n,i;
scanf("%d",&n);
for(i=0;i<n;i++){
scanf("%f %f %f",&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)
m=-0.00000;
else m=-(b[i]/(2*a[i]));
n=sq... |
27 | 13126 | int main()
{
int n,i;
double a,b,c,x1,x2,d;
scanf("%d",&n);
for(i=0;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=(-b)/(2*a);
printf("x1=x2=%.5l... |
27 | 13127 | int main()
{
int n,i;
double a[100],b[100],c[100],x1,x2,y1;
cin>>n;
for(i=0;i<n;i++)
{
cin>>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]-sqrt(b[i]*b[i]-4*a[i]*c[i]))/(2*a[i]);
cout<<"x1="<<fixed<<setprecision(5)<<x1<<";"<<"x2="<<x2<<end... |
27 | 13128 | /*
* 1.cpp
*
* Created on: 2012-11-1
* Author: AK
*/
int main(){
int n;
double a,b,c,p;
cin>>n;
for(;n>=1;n--){
cin>>a>>b>>c;
p=b*b-4*a*c;
if(p>0) cout<<"x1="<<fixed<<setprecision(5)<<0+(-b+sqrt(p))/(2*a)<<";x2="<<0+(-b-sqrt(p))/(2*a)<<endl;
else if(p==0) cout<<"x1=x2="<<fixed<<setprecision(5)<<0... |
27 | 13129 | int main()
{
int n,h=1;
double a,b,c,e;
double x1,x2,y;
scanf("%d",&n);
for(h=1;h<=n;h++)
{
scanf("%lf %lf %lf",&a,&b,&c);
y=b*b-4*a*c;
if(y>0)
{
x1=(-b+sqrt(y))/(2*a);
x2=(-b-sqrt(y))/(2*a);
if(c==0)
printf("x1=0.00000;x2=%.5f\n",x2);
else
printf("x1=%.5f... |
27 | 13130 | main()
{ double a,b,c,a1,a2;
int n,d;
d = 1;
scanf ("%d",&n);
while (d <= n)
{
scanf ("%lf %lf %lf",&a,&b,&c);
a1 = -b/(2*a);
if (a1 == 0)
a1 = 0;
else a1 = -b/(2*a);
if ((b*b-4*a*c)==0)
{a2 = 0;
printf ("x1=x2=%.5lf\n",a1);}... |
27 | 13131 | int main()
{ int n,i;
scanf("%d",&n);
for(i=0;i<n;i++)
{
double a,b,c,d,x1,x2;
scanf("%lf%lf%lf",&a,&b,&c);
d=(double)b*b-4*a*c;
if(d<0)
{double m,n;
m=-b/(2*a);
n=(sqrt(4*a*c-b*b))/(2*a);
printf("x1=%.5lf+%.5lfi;x2=%.5lf-%.5lfi\n",m,n,m,n);
}
else
{
x1=(-b + sqrt(b... |
27 | 13132 | int main()
{
int n;
int i;
scanf("%d",&n);
double a[100],b[100],c[100],x1[100],x2[100],re[100],im[100];
double dlta[100];
for(i=0;i<n;i++)
{
scanf("%lf %lf %lf",&a[i],&b[i],&c[i]);
}
for(i=0;i<n;i++)
{
dlta[i]=b[i]*b[i]-4*a[i]*c[i];
if(dlta[i]==0)
... |
27 | 13133 | int main()
{
double a,b,c,x1,x2,del,m,l;
int n,i;
scanf("%d\n",&n);
for(i=1;i<=n;i++)
{
scanf("%lf %lf %lf",&a,&b,&c);
del=b*b-4*a*c;m=-b/(2*a);
if (del>1e-6)
{
l=sqrt(del)/(2*a);
x1=m+l;
x2=m-l;
printf("x1=%.5lf;x2=%.5lf\n",x1,x2);
}
e... |
27 | 13134 | int main ()
{
int n;
cin >>n;
for (int i=1;i<=n;i++)
{
double a,b,c,d,e,x,y;
cin >>a>>b>>c;
d=b*b-4*a*c;
e=-b/2/a;
if (e==-0)
e=0;
if (d>0)
{
x=e+sqrt(d)/2/a;
y=e-sqrt(d)/2/a;
cout <<fixed<<setprecisi... |
27 | 13135 | int main()
{
double a, b, c, x1, x2, n;
cin >> n ;
for (double k = 1 ; k <= n ; k++)
{
cin >> a >> b >> c ;
x1 = (-b + sqrt(b * b - 4 * a * c)) / (2 * a) ;
x2 = (-b - sqrt(b * b - 4 * a * c)) / (2 * a) ;
if (sqrt(b * b - 4 * a * c) > 0)
{
cout << "x1=" ;
printf ("%.5f",x1) ;
cout <... |
27 | 13136 | int main()
{
int i,j,n;
float a[100],b[100],c[100],d[100];
scanf("%d",&n);
for(i=0;i<n;i++)
{
scanf("%f",&a[i]);
scanf("%f",&b[i]);
scanf("%f",&c[i]);
}
for(i=0;i<n;i++)
{
d[i]=b[i]*b[i]-4*a[i]*c[i];
if(d[i]==0)
printf("x1=x2=%.5f\n",(-b[i])/(2*a[i]));
if(d[i]>0&&c[i]==0)
printf("x1=0... |
27 | 13137 |
main()
{
int n,i;
scanf("%d",&n);
double a,b,c,d;
for (i=1;i<=n;i++)
{
scanf("%lf %lf %lf",&a,&b,&c);
d=b*b-4*a*c;
if (d==0)
printf("x1=x2=%.5lf\n",-b/(2*a));
else
{ if (d>0)
if ((-b)/(2*a)<0.00001 && ((-b)/(2*a))>-0.00001 )
... |
27 | 13138 |
int main()
{
int number;
float a, b, c;
double delta=0;
scanf("%d",&number);
while ( number -- )
{
scanf("%f %f %f", &a, &b, &c);
delta = b*b-4*a*c;
if ( delta > 0 )
{
double x1,x2;
x1 = (-b + sqrt(delta))/(2*a);
x2 = (-b - sqrt(delta))/(2*a);
printf("x1=%.5f;x2=%.5f\n",x1,x2);
}
else
... |
27 | 13139 | int main()
{
int i,j;
double a,b,c,d,e,f,m,n,h;
scanf ("%d\n",&j);
for (i=1;i<=j;i++)
{
scanf ("%lf%lf%lf",&a,&b,&c);
h=b*b-4*a*c;
if (h>0)
{
d=(-b+sqrt(h))/(2*a);
e=(-b-sqrt(h))/(2*a);
printf("x1=%.5lf;x2=%.5lf\n",d,e);}
if (h==0)
{
f=(-b)/(2*a);
printf ("x1=x2=%.5lf\n",f);}
if (h... |
27 | 13140 | void main()
{
int n,g;
scanf("%d",&n);
double a[100],b[100],c[100],x1,x2,disc,rp,ip;
for(g=0;g<=n-1;g++)
{
scanf("%lf%lf%lf",&a[g],&b[g],&c[g]);
}
for(g=0;g<=n-1;g++)
{
disc=b[g]*b[g]-4*a[g]*c[g];
if(fabs(disc)<=1e-6)
{
printf("x1=x2=%.5lf\n",-b[g]/(2*a[g]));
}
else
if(disc>1e-6)
{
x1=(-b[g]+sqrt(disc))/(2*a[g]);
x... |
27 | 13141 |
int main(int argc, char* argv[])
{
int n;
scanf("%d",&n);
int i;
for(i=1;i<=n;i++){
double a, b,c,x1,x2;
scanf("%lf%lf%lf",&a,&b,&c);
if ((b*b-4*a*c)==0){
x1=-(b/(2*a));
printf("x1=x2=%.5lf\n",x1);
}
else{
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 | 13142 |
main()
{
int i,n;
scanf("%d",&n);
double a[n],b,c,x[n],y[n];
for(i=0;i<n;i++)
{
scanf("%lf %lf %lf",&a[i],&b,&c);
y[i]=(b*b-4*a[i]*c);
if(b==0)
x[i]=(b)/(2*a[i]);
else
x[i]=(-b)/(2*a[i]);
}
for(i=0;i<n;i++... |
27 | 13143 | int main()
{
int n,ri;
double a, b, c, d;
scanf("%d", &n);
for(ri = 1; ri <= n; ri++){
scanf("%lf %lf %lf", &a, &b, &c);
d=b*b-4*a*c;
if(a==0){if(b==0){if(c==0){printf("???????????!\n");}
else{printf("a?b?0?c??0??????\n");}}
else{printf("x=%.5f\n", -c/b);}
}
else{if(d>0){printf("x1=%.5f... |
27 | 13144 | int main()
{
int n,i,j;
double a[100][3],x1,x2,y;
scanf("%d",&n);
for(i=0;i<n;i++)
{
for(j=0;j<3;j++)
{
scanf("%lf",&a[i][j]);
}
}
for(i=0;i<n;i++)
{
if(a[i][1]*a[i][1]-4*a[i][0]*a[i][2]>0)
{
x1=(-a[i][1]+sqrt(a[i][1]*a[i][1]-4*a[i][0]*a[i][2]))/(2*a[i][0]);
x2=(-a[i][1]-sqrt(a[i][1]*a[i][1]-... |
27 | 13145 | int main()
{
int n,k,j;
double num[100][100]={0},a,b,c,x1,x2,i;
scanf("%d",&n);
i=sqrt(-1);
for(k=0;k<=n-1;k++)
{
scanf("%lf %lf %lf",&num[k][0],&num[k][1],&num[k][2]);
a=num[k][0];
b=num[k][1];
c=num[k][2];
if((b*b-4*a*c)>=0)
{
num[k][3]= (-b + sqrt(b*b-4*a*c... |
27 | 13146 |
int main ()
{
int n ,j;
cin >> n;
double cha , x1,x2;
float a[100], b[100], c[100];
for(j = 0 ; j < n; j++)
{
cin >> a[j] >> b[j] >> c[j];
cha =(double) b[j]* b[j] - 4 * a[j] * c[j];
if(cha > 0)
{
x1 = (-b[j] + sqrt(cha))/(2*a[j]);
x2 = (-b[j] - sqrt(cha))/(2*a[j]);
cout <<fixed << setprecision(... |
27 | 13147 | main (){
int n,i;
double delta,p,q,x1,x2;
float a[100],b[100],c[100];
scanf("%d",&n);
for (i=0;i<n;i++)
{
scanf("%f%f%f",&a[i],&b[i],&c[i]);
delta=b[i]*b[i]-4*a[i]*c[i];
p=-(b[i]/(2*a[i]));
q=sqrt(fabs(delta))/(2*a[i]);
if(delta==0)
{
pri... |
27 | 13148 | /*
* return.cpp
*
* Created on: 2014-1-25
* Author: ???
*/
int main()
{
int n;
double a,b,c,d;
cin>>n;
cout<<fixed<<setprecision(5);
for(int i=0;i<n;i++)
{
cin>>a>>b>>c;
if(b==0)
b=-b;
d=b*b-4*a*c;
if(d==0)
{
cout<<"x1=x2="<<(-b)/(2*a)<<endl;
}
else if(d>0)
{
cout<<"x1="<<(-b+s... |
27 | 13149 | void main()
{
int n,i=1;
double a,b,c,x1,x2,d,e,y,z;
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)
{
e=sqrt(d);
x1=(-b+e)/(2*a);
x2=(-b-e)/(2*a);
printf("x1=%.5lf;x2=%.5lf\n",x1,x2);
}
if (d==0)
{
e=sqrt(d);
x1=x2=(-b+e)/(2*a);
printf("... |
27 | 13150 | /*
* 004.cpp
*
* Created on: 2012-9-28
* Author: ???
* ??:???????????????
*/
int main(){
int n;
double a,b,c,delta,x1,x2,x;
cin >> n;
while(n--){
cin >> a >> b >> c;
delta=b*b-4*a*c;
if (delta>=0){ //??????
if (delta>0){
x1=(-b + sqrt(delta))/(2*a);
x2... |
27 | 13151 | int main()
{
int n,i;
double a,b,c,d,e;
scanf("%d\n",&n);
for(i=0;i<n;i++)
{
scanf("%lf%lf%lf",&a,&b,&c);
d=b*b-4*a*c;
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=x2=%.5lf\n",e);
}
else
{
printf("x1... |
27 | 13152 | int main()
{
int n;
float a,b,c;
scanf("%d",&n);
while(n--){
scanf("%f %f %f",&a,&b,&c);
if((b*b-4*a*c)==0)
printf("x1=x2=%.5f\n",-b/(2*a));
if((b*b-4*a*c)>0)
printf("x1=%.5f;x2=%.5f\n",(-b+sqrt((b*b-4*a*c)))/(2*a),(-b-sqrt((b*b-4*a*c)))/(2*a));
if((b*b-4*a*c)<0)
printf("x1=%.5f+%.5fi;x2=%.5f-%.5fi... |
27 | 13153 | main()
{
int n,i;
float a,b,c;
double x,y,z,x1,x2;
scanf("%d",&n);
for(i=1;i<=n;i++)
{
scanf("%f %f %f",&a,&b,&c);
if(fabs(b*b-4*a*c)<1e-6)
{
x1=-b/(2*a),x2=-b/(2*a);
printf("x1=x2=%.5f\n",x1);
}
else if(b*b-... |
27 | 13154 | int main()
{
double a,b,c;
double x1,x2;
int n;
cin>>n;
for (int 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);
cout<<fixed<<setprecision(5)<<"x1="<<x1<<";"<<"x2="<<x2<<endl;
}
else if (b*b-4*a*c==0)
{
x1 = (-b)/(2*a... |
27 | 13155 | int main()
{
int n,k;
double a[100],b[100],c[100],x1,x2,d;
cin>>n;
for (k=0;k<n;k++)
{
cin>>a[k]>>b[k]>>c[k];
d=b[k]*b[k]-4*a[k]*c[k];
if (d>0)
x1=(-b[k]+sqrt(d))/(2*a[k]),
x2=(-b[k]-sqrt(d))/(2*a[k]),
printf("x1=%.5f;x2=%.5f\n",x1,x2);
else if (d==0)
x1=x2=-b[k]/(2*a[k]),
printf("x1=x2=%.5f... |
27 | 13156 | int main()
{
double a,b,c;
int n;
cin>>n;
for(int i=1;i<=n;i++){
cin>>a>>b>>c;
double delta=b*b-4*a*c;
if(delta==0){cout<<"x1=x2=";//?????Delta
printf("%.5f",((-b/(2*a))));
cout<<endl;}
else if(delta>0){
cout<<"x1=";
printf("%.5f",((-b+sqrt(delta))/(2*a)));
cout<<";"<<"x2=";
printf("%.5f",((-b-sqrt(delt... |
27 | 13157 | 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);
cout<<"x1=";
printf("%.5f",x1);
cout<<";x2=";
printf("%.5f",x2);cout<<endl;} else
if (b*b-4*a*c==0){x1=(-b+sqrt(b*b-4*a*c))/(2*a);
cout<<"x1=x2=";printf("%... |
27 | 13158 | //****************************
//??????????????
//?????? 1300012849
//???2013?10?14?
//****************************
int main ()
{
int n , i ; //??????n
double a , b , c ; //????????????????a?b?c
double delta , x1 , x2 , k1 , k2; //????d... |
27 | 13159 |
int main(int argc, char* argv[])
{
int i;
int n;
double e,f;
double a,b,c;
double x1,x2;
scanf("%d",&n);
for(i=1;i<n+1;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=%.5f;x2=%.5f\n",x1,x2);
}
else if(b*b-4*a*c==0... |
27 | 13160 | //************************************************************
//*9.14???????????? ***********
//*????? 1100012844 ***********
//*???2011.9.16 ***********
//*?????????,?????100??,??! ***********
//*****************************************... |
27 | 13161 |
int main(){
int n;
cin >> n;
double a,b,c,delta;
for (int i=1; i<=n ;++i){
cin >> a >> b >> c;
delta = b*b - 4*a*c;
if (delta == 0){
cout << "x1=x2=";
printf("%.5f", (-b)/(2*a));
}
if (delta > 0 ){
cout << "x1=";
... |
27 | 13162 | void main ()
{
int n, i;
double a, b, c, d, e;
scanf("%d", &n);
for(i=1;i<=n;i++)
{
scanf("%lf %lf %lf", &a, &b, &c);
if((b*b-4*a*c)<0)
{d=(-(b/(2*a)));
e=(sqrt(-b*b+4*a*c))/(2*a);
printf("x1=%.5f+%.5fi;x2=%.5f-%.5fi\n", d, e, d, e);}
else if((b*b-4*a*c)>=0)
{d=(-b+sqrt(b*b-4*a*c))/(2*a);
e=(-b-sqrt(b*b-4*a*c))/(2*a... |
27 | 13163 | void main()
{
double a,b,c,s;
int n,i;
scanf("%d",&n);
for(i=1;i<=n;i++)
{
scanf("%lf%lf%lf",&a,&b,&c);
s=b*b-4*a*c;
if(s>0)
printf("x1=%.5f;x2=%.5f\n",(-b+sqrt(b*b-4*a*c))/(2*a),(-b-sqrt(b*b-4*a*c))/(2*a));
else if(s==0)
{
printf("x1=x... |
27 | 13164 |
int main()
{
int n;
cin >> n;
double x1, x2, a, b, c, d;
for (int i = 0; i < n; i++)
{
cin >> a >> b >> c;
d = b * b - 4 * a * c;
if(d == 0)
{
x1 = (-b + sqrt(d)) / (2 * a);
if(x1 != 0.00000)
cout << fixed << setprecision(5) << "x1=x2=" << x1 << endl;
else
cout << fixed << setprecision... |
27 | 13165 | int main()
{
int n,i;
double a[100],b[100],c[100],x1,x2,p,q;
scanf("%d",&n);
for(i=0;i<=n-1;i++)
{
scanf("%lf%lf%lf",&a[i],&b[i],&c[i]);
}
for(i=0;i<=n-1;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] - sqrt(b[i]*b[i]-4*a[i]*c[i]))/(2*a[i]) ;
pr... |
27 | 13166 | int main()
{
int n,i;
scanf("%d",&n);
float a[100],b[100],c[100];
double x1,x2,m,p,q;
for(i=0;i<n;i++){
scanf("%f%f%f",&a[i],&b[i],&c[i]);
}
for(i=0;i<n;i++){
m = b[i]*b[i]-4*a[i]*c[i];
if (m > 0){
x1=(-b[i]+sqrt(m))/(2*a[i]);
x2=(-b[i]-sqrt(m))/(2*a[i]);
printf("x1=%.5lf;x2... |
27 | 13167 | int main()
{
int n,i;
float a,b,c;
double x1,x2,m;
cin>>n;
for(i=1;i<=n;i++)
{
cin>>a>>b>>c;
m=-b/(2*a);
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<<";"... |
27 | 13168 |
void main()
{
int n,i;
double p,q,re,im,x1,x2,a,b,c;
scanf("%d",&n);
for(i=0;i<n;i++)
{
scanf("%lf %lf %lf",&a,&b,&c);
p=2*a;q=sqrt(b*b-4*a*c);
if(fabs(q)<=1e-6)
{
x1=-b/(2*a);
printf("x1=x2=%.5lf\n",x1);
}
else if(q>1e-6)
{
x1=(-b+q)/p;x2=(-b-q)/p;
printf("x1=%.5lf;x2=%.5lf\n",x1,x2);
... |
27 | 13169 | int main()
{
double a,b,c,x1,x2,n,m;
scanf("%lf",&n);
for(m=1;m<=n;m++)
{
scanf("%lf %lf %lf",&a,&b,&c);
x1=(-b + sqrt(b*b-4*a*c))/(2*a),x2=(-b - sqrt(b*b-4*a*c))/(2*a);
if(b*b-4*a*c>0)
{
printf("x1=%.5lf;x2=%.5lf\n",((0-b) + sqrt(b*b-4*a*c))/(2*a),((0-b) - sqrt(b*... |
27 | 13170 |
int main()
{
int n;
double a , b ,c , x1 , x2 , t;
cin>>n;
while (n--)
{
cin>>a>>b>>c;
cout<<setprecision(5)<<fixed;
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);
if... |
27 | 13171 | main()
{
int n,k;
double a[100],b[100],c[100],x1,x2,p,m,q;
scanf("%d\n",&n);
for(k=1;k<=n;k++)
{
scanf("%lf %lf %lf",&a[k],&b[k],&c[k]);
}
for(k=1;k<=n;k++)
{
p=b[k]*b[k]-4*a[k]*c[k];
if(p==0)
{
if(b[k]==0)
{
m=0;
... |
27 | 13172 | /*
* practice.cpp
*
* Created on: 2014-5-23
* Author: de
*/
int main(){
double a,b,c,x1,x2,i;
int cases;
cin>>cases;
for(int j=0;j<cases;j++){
cin>>a>>b>>c;
if(b*b-4*a*c>0){
if(b==0){
x1 = (sqrt(0-4*a*c))/(2*a);
x2 = (0 - sqrt(0-4*a*c))/(2*a);
}
else
{x1 = (-b + sqrt(b*b-4*a*c))/... |
27 | 13173 | int main()
{
int n;
cin>>n;
double a,b,c,delta,x1,x2,r,i;
for(int p=1;p<=n;p++)
{
cin>>a>>b>>c;
delta=b*b-4*a*c;
if (delta>0)
{
x1=(-b+sqrt(delta))/(2*a);
x2=(-b-sqrt(delta))/(2*a);
cout<<"x1=";
printf("%.5f", x1);
cout<<";x2=";
printf("%.5f\n",x2);
cout<<endl;
}
else
{
if (de... |
27 | 13174 | int main()
{
int n,k;
cin>>n;
for(k=1;k<=n;k++)
{
float a,b,c;
double x1,x2;
cin>>a>>b>>c;
cout<<fixed;
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) ;
if (fabs(x1) < 1e-5)
{
x1 = 0;
}
else if (fabs(x2) < 1e-5)
{
x2 = 0;
}
co... |
27 | 13175 | main()
{
int j,n;
scanf("%d",&n);
for(j=0;j<n;j++)
{
float a,b,c,x1,x2;
scanf("%f %f %f",&a,&b,&c);
if ((b*b-4*a*c)>0)
printf("x1=%.5f;x2=%.5f\n",(double)(-b+sqrt(b*b-4*a*c))/(2*a),(double)(-b-sqrt(b*b-4*a*c))/(2*a));
if ((b*b-4*a*c)==0 )
printf("x1=x2=%.5f\n",-b/(2*a));
if ((b*b-4*a*c)<0){
if(... |
27 | 13176 | int main()
{
int n,j;
double a,b,c;
double x1,x2;
double sb,xb;
scanf("%d",&n);
for (j=0;j<n;j++)
{
scanf("%lf %lf %lf",&a,&b,&c);
if ((b*b-4.0*a*c)>0)
{
x1=(-b+sqrt(b*b-4.0*a*c))/(2.0*a);
x2=(-b-sqrt(b*b-4.0*a*c))/(2.0*a);
printf("... |
27 | 13177 | int main()
{
int n,m;
float a,b,c;
double x1,x2;
cin>>n;
for(m=1;m<=n;m=m+1)
{
cin>>a>>b>>c;
x1=(-b+sqrt(b*b-4*a*c))/(2*a),x2=(-b-sqrt(b*b-4*a*c))/(2*a);
if(b*b-4*a*c>0)
{
cout<<fixed<<setprecision(5)<<"x1="<<x1<<";"<<"x2="<<x2<<endl;
}
else if(b*b-4*a*c<=0)
{
if(b*b-4*a*c==0)
{
cout<<fixed<<s... |
27 | 13178 | int main()
{
int n,i;
double a,b,c,x1,x2,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(d>0){
x1=(-b+sqrt(d))/(2*a);
x2=(-b-sqrt(d))/(2*a);
printf("x1=%.5lf;x2=%.5lf\n",x1,x2);
}
else if(d==0){
x1=-b/2/a;
if(x1==-0) x1 = 0;
printf("x1=x2=%.5l... |
27 | 13179 | int main()
{
int n,i;
float a[100],b[100],c[100];
scanf("%d",&n);
for(i=0;i<n;i++)
{
scanf("%f%f%f",&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)
m=-0;
else
m=-(b[i]/(2*a[i]));
n=sqrt(fabs(delta))/(2*a[i]);
if(de... |
27 | 13180 | void main()
{
int n;
double a,b,c,x1,x2,a1,b1;
scanf("%d\n", &n);
while(n!=0)
{
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 ... |
27 | 13181 | void main ()
{
int n,i;
double a,b,c,x1,x2,p=0.000001;
scanf("%d",&n);
for (i=0;i<n;i++)
{
scanf("%lf %lf %lf",&a,&b,&c);
if (b*b-4*a*c<-p)
{
x1=-b/(2*a);x2=sqrt(-b*b+4*a*c)/(2*a);
if (x1>-p&&x1<p) x1=0;
if (x2>-p&&x2<p) x2=0;
printf("x1=%.5f+%.5fi;x2=%.5f-%.5fi\n",x1,x2,x1,x... |
27 | 13182 | main()
{
int i, n;
float a,b,c;
scanf("%d",&n);
double d[n][3],x,y;
for(i=0;i<n;i++)
{
scanf("%f %f %f",&a,&b,&c);
x=b*b-4*a*c;
if(x==0)
{
d[i][1]=d[i][2]=-b/(2*a);
d[i][3]=x;
}
else if(x>0)
{
y=sqrt(x);
d[i][1]=(-b+y)/(2*... |
27 | 13183 | /*
* ????????.cpp
*
* Created on: 2012-10-14
* Author: Administrator
*/
int main()
{
int n,i;
float a[100],b[100],c[100];
double x1,x2,delta,x;
cin >> n;
for (i=1;i<=n;i++)
{
cin >> a[i] >> b[i] >> c[i];
}
for (i=1;i<=n;i++)
{
cout << fixed << setprecision(5);
{
delta=b[i]*b[i]-4*a[i]*c... |
27 | 13184 | /*
* g9.cpp
*?????????
* Created on: 2012-10-10
* Author: ???
*/
int main()
{
double a,b,c;
int n;//????
cin>>n;
for(int i=1;i<=n;i++)//????
{
cin>>a>>b>>c;//??
double d=b*b-4*a*c;//??????
if(d>0)//??if??
{double x1,x2 ;
x1=(-b + sqrt(d))/(2*a);
x2 = (-b - sqrt(d))/(2*a);
cout<<fixed<<se... |
27 | 13185 | //****************************************
//*?????(8.3) ????????? (1051)
//*????? 1100012996 **
//*???2011.9.14
//****************************************
int main()
{
int n;//n????
cin>>n;
double a,b,c;//a?b?c???
for (int i=0;i<n;i++)
{
double x1,x2;
cin>>a>>b>>c;
doub... |
27 | 13186 |
int main()
{
int n=0;
int i=0;
double a=0;
double b=0;
double c=0;
double pan=0;
double x1=0;
double x2=0;
double y=0;
cin>>n;
for(i=1;i<=n;i++)
{
cin>>a>>b>>c;
pan=b*b-4*a*c;
if(pan>0)
{
x1=(-b + sqrt(pan))/(2*a);
x2=(-b - sqrt(pan))/(2*a);
printf("x1=%.5f",x1 );
printf(";x2=%.5f\... |
27 | 13187 | //*4.cpp???e?? **
//*????? 1300012896 **
//*???2013.10.9 *
//********************************
int main()
{
int n, k;
double a, b, c, x1, x2, D, d, e;
cin >> n ;
for (k = 1; k <= n; k++)
{cin >> a >> b >> c;
D = b * b - 4 * a * c;
if (b != 0)
b = -b;
if (D... |
27 | 13188 | main()
{
float x[100][3],a,b,c,d;
int i,n;
double x1,x2;
scanf("%d",&n);
for(i=1;i<=n;i++)
{
scanf("%f%f%f",&x[i][1],&x[i][2],&x[i][3]);
}
for(i=1;i<=n;i++)
{
a=x[i][1];
b=x[i][2];
c=x[i][3];
d=b*b-4*a*c;
if(d>0 && c==0)
printf("x1=%.5f;x2=%.5f\n",c,(-b-sqrt(d))/(2... |
27 | 13189 | int main()
{
int n,k,j;
double a[100],b[100],c[100],p=0.00,q=0.00,m=0.00;
scanf("%d",&n);
for(k=0;k<n;k++)
{scanf("%lf%lf%lf/n",&a[k],&b[k],&c[k]);}
for(j=0;j<n;j++)
{
m=b[j]*b[j]-4*a[j]*c[j];
p=-b[j]/(2*a[j]);
if(p==-0)
p=0.00000;
if(m<0){
q=sqrt(-m)/(2*a[j]);
printf("x1=%.5lf+%.5lfi;x2... |
27 | 13190 | void main()
{
void d(double a,double b,double c);
int n,i;
double a,b,c;
scanf("%d",&n);
for(i=0;i<n;i++)
{
scanf("%lf%lf%lf",&a,&b,&c);
d(a,b,c);
}
}
void d(double a,double b,double 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 | 13191 |
int main(int argc, char* argv[])
{
int j,n;
float a[1000],b[1000],c[1000];
scanf("%d",&n);
for(j=1;j<=n;j++)
{
scanf("%f %f %f",&a[j],&b[j],&c[j]);
}
for(j=1;j<=n;j++)
{
if(b[j]*b[j]-4*a[j]*c[j]>0)
{
printf("x1=%.5f;x2=%.5f\n",(float)(-b[j]+sqrt(b[j]*b[j]-4*a[j]*c[j]))/(2*a[j]),(float)(-b[j]-sqrt(b[j... |
27 | 13192 | int main()
{
int n,o,g;
double a,b,c,d,x1,x2;
cin>>n;
for(o=1;o<=n;o++)
{
cin>>a>>b>>c;
if(a<0)
{
a=0-a;
b=0-b;
c=0-c;
}
d=b*b-4*a*c;
if(d>0)
g=2;
else if(d<0)
{
g=0;
d=0-d;
}
else
g=1;
if(g==1)
{
x1=-b/(2*a);
cout<<"x1=x2=";
printf("%... |
27 | 13193 | int main()
{
int i,j,k,n;
double x1[100],x2[100];
double a[100],b[100],c[100],d[100];
scanf("%d\n",&n);
for(i=1;i<=n;i++)
{
scanf("%lf %lf %lf\n",&a[i],&b[i],&c[i]);
d[i]=b[i]*b[i]-4*a[i]*c[i];
}
for(i=1;i<=n;i++)
{
if(d[i]>0)
{
x1[i]=(-b[i]+sqrt(d[i]))/... |
27 | 13194 |
int main()
{
int n;
scanf("%d", &n);
int i;
double a, b, c, delta;
double x1, x2;
double shi1, xu1, shi2, xu2;
for(i=1;i<=n;i++)
{
scanf("%lf%lf%lf", &a, &b, &c);
delta=b*b-4*a*c;
if(delta>=0)
{
x1=(-b+sqrt(delta))/(2*a);
x2=(-b-sq... |
27 | 13195 | /*
*???????(8.3) ????????? (1051)
*??????
*???2012?10?15? 18:15:34
*?????????? ax2 + bx + c = 0 ?????a???0?
*/
int main(){
float a=0.0,b=0.0,c=0.0;
double x1=0.0,x2=0.0,x3=0.0,x4=0.0,D=0.0;
int n=0;
cin>>n;
while(n--){
cin>>a>>b>>c;
D=b*b-4*a*c;
if(D>=0){
x1=(-b+sqrt(D))/(2*a) ;
x2 =(-b-sqrt(D)... |
27 | 13196 | int qj( double a,double b,double c)
{
double x1,x2,e,f,g;
double d;
d=b*b-4*a*c;
if (d>0)
{
e=(-b + sqrt(d))/(2*a);
f=(-b -sqrt(d))/(2*a);
if(e==0)
e=0;
printf("x1=%.5f;x2=%.5f\n",e,f);
}
... |
27 | 13197 | int main()
{
int n,i;
double a,b,c;
scanf("%d\n",&n);
for(i=0;i<n;i++){
scanf("%lf %lf %lf",&a, &b, &c);
if(b*b-4*a*c!=0){
if(a>0){
if(b*b-4*a*c>0){
printf("x1=%.5lf;x2=%.5lf\n",(-b+sqrt(b*b-4*a*c))/(2*a),(-b-sqrt(b*b-4*a*c))/(2*a));
}
else if(b*b-4*a*c<0){
printf("x1=%.5lf+%.5lfi;x2=%.5lf-... |
27 | 13198 | /*
* ?????????????.cpp
* ?????1200012840
* ?????2012-10-19
* ???????
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 i,n;//????
double a,b,c,x1,x2;//????
cin>>n;//??????
for(i=1;i<=n;i++)//??for??
{... |
27 | 13199 | int main()
{
int i,n;
double a,b,c,x1,x2,dert,d,e;
scanf("%d",&n);
for(i=1;i<=n;i++)
{
scanf("%lf %lf %lf",&a,&b,&c);
dert=b*b-4*a*c;
if(dert>0)
{
x1=(-b+sqrt(dert))/(2*a);
x2=(-b-sqrt(dert))/(2*a);
printf("x1=%.5f;x2=%.5f\n",x1,x2);
}
if(dert==0)
{
x1=(-b+sqrt(dert))/(2*a)... |
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