label stringlengths 1 2 | index stringlengths 1 5 | code stringlengths 87 8.24k |
|---|---|---|
27 | 13300 | int main()
{ double a,b,c,x1,x2,t1,t2;
int i,j,n;
scanf("%d",&n);
for(i=1;i<n+1;i++)
{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=%.5f+%.5fi;x2=%.5f-%.5fi\n",-b/(2*a)+0,sqrt(-(b*b-4*a*c))/(2*a),-b/(2*a)+0,s... |
27 | 13301 | int main()
{
int n;
scanf("%d",&n);
int j;
float a[10],b[10],c[10];
for(j=0;j<n;j++)
{
scanf("%f %f %f",&a[j],&b[j],&c[j]);
double d;
d=b[j]*b[j]-4*a[j]*c[j];
if(d==0)
{
double e,f;
e=(-b[j])/(2*a[j]);
f=(sqrt(d))/(2*a[j]);
if(e==0)
e=0;
if(f==0)
f=0;
printf("x1=x2=%.... |
27 | 13302 | void main()
{
int i=0,n;
double a,b,c;
scanf("%d",&n);
while(i<n)
{
scanf("%lf%lf%lf",&a,&b,&c);
if(b*b-4*a*c>0)
{
printf("x1=%.5f;x2=%.5f",(-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<1e-7&&b*b-4*a*c>-1e-7)
... |
27 | 13303 | int main()
{
int i,n;
double a,b,c,x1,x2,disk,l[100],p[100],q[100],realpart,imagpart;
scanf("%d",&n);
for(i=0;i<n;i++)
{
scanf("%lf %lf %lf",&l[i],&p[i],&q[i]);
}
for(i=0;i<n;i++)
{
a=l[i];
b=p[i];
c=q[i];
disk=b*b-4*a*c;
if(disk>0)
{
x1 = (-b + sqrt(disk))/(2*a);
x2 = (-b - sqrt(di... |
27 | 13304 | int main()
{
int n,i;
float a[1000],b[1000],c[1000];
float delta,p,q,x1,x2;
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++)
{
delta=b[i]*b[i]-4*a[i]*c[i];
p=-b[i]/(2*a[i]);
if(delta==0)
{
printf("x1=x2=%.5f\n",p);
}
else
{
if(delta>0)
{
q=... |
27 | 13305 | int main()
{
char x1,x2;
int n;
float a,b,c;
scanf("%d",&n);
int i;
for(i=1;i<=n;i++)
{
scanf("%f%f%f",&a,&b,&c);
float e;
e=b*b-4*a*c;
if(e>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(e==0.0)
printf("x1=x2=%.5f\n",(-b)/(2*a));
else
if(b... |
27 | 13306 | //********************************
//*????6.cpp **
//*?????? 1300012966 **
//*???2013. **
//*???????????? **
//********************************
int main()
{
int n, i;
double a[100], b[100], c[100], d, x1, x2, e, f;
cin >> n;
for (i=1; i<=n; i++)
{
cin >> a[i] >> b[i] >> c[i];
} //????
for (i=1; i<=n; i++)
... |
27 | 13307 | int main()
{
double a,b,c,x1,x2,d;
int n;
scanf("%d",&n);
int i;
for(i=0;i<n;i++)
{
scanf("%lf%lf%lf",&a,&b,&c);
d=b*b-4.0*a*c;
if(d>0)
{
x1=(-b+sqrt(d))/(2.0*a);
x2=(-b-sqrt(d))/(2.0*a);
printf("x1=%.5lf;x2=%.5lf\n",x1,x2);
}
else if(d==0)
{
printf("x1=x2=%.5lf\n",-b/(2.0*a));
}
else
{
double p=sqrt(-d)/(2.0*a);
i... |
27 | 13308 |
main()
{
double a,b,c,s,x1,x2;
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(s))/(2*a)+0,(-b-sqrt(s))/(2*a)+0);
else if(s==0) printf("x1=x2=%.5f\n",-b/(2*a)+0);
else printf("x1=%.5f+%.5fi;x2=%.5f-%.5fi\n",-b/(2*a... |
27 | 13309 | int main(int argc, char* argv[])
{
int n,r=1;
float a,b,c,a1,a2;
double x1,x2,w;
scanf("%d",&n);
while (r<=n)
{
scanf("%f%f%f",&a,&b,&c);
r++;
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",x1,x2);
... |
27 | 13310 | main()
{
int i,n;
double d,e,p,q,t,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++)
{
t=b[i]*b[i]-4*a[i]*c[i];
if(t<0)
{
d=-b[i]/(a[i]*2);
p=sqrt(-t)/(2*a[i]);
q=sqrt(-t)... |
27 | 13311 | void main()
{
int i=1,n;
double x1,x2,m,t,a,b,c;
scanf("%d\n",&n);
while(i<=n)
{
scanf("%lf%lf%lf\n",&a,&b,&c);
if(b*b==a*c*4)
{
x1=(-b)/(2*a);
printf("x1=x2=%.5lf\n",x1);
}
else
{
if(b*b>4*a*c)
{
x1=(0-b + sqrt(b*b-4*a*c))/(2*a) ;
x2=(0-b - sqrt(b*b-... |
27 | 13312 | int main()
{
int n;
double a, b, c, delta;
double real1, real2, i1, i2, x1, x2;
int zero(double a);
scanf("%d", &n);
while (n > 0)
{
scanf("%lf %lf %lf", &a, &b, &c);
delta = b * b - 4 * a * c;
if (zero(delta) == 1)
{
x1 = (-b + sqrt(delta)) / (2 * a);
x2 = (-b - sqrt(delta)) / (2 * a);
// if (!z... |
27 | 13313 | //*******************************
//**6.cpp?????????***
//**??????1300012993****
//**??:2013.10.10****
//*******************************
int main()
{
int n;
double a, b, c, x1, x2, d, p, q;
char i;
cin >> n;
for(i = 1; i <= n; i++)
{
cin >> a >> b >> c;
d = b * b - 4 * a * c; ... |
27 | 13314 | main()
{
int i,n;
double a[100],b[100],c[100],d[100],x[100],y[100];
scanf("%d",&n);
i=0;
for(i=0;i<n;i++)
{
scanf("%lf %lf %lf",&a[i],&b[i],&c[i]);
}
i=0;
... |
27 | 13315 | int main()
{
int n,i;
double a,b,c,x1,x2,s,t;
scanf("%d\n",&n);
for(i=1;i<=n;i++)
{
scanf("%lf%lf%lf\n",&a,&b,&c);
if(b*b-4*a*c==0)
{
x1=(-b+sqrt(b*b-4*a*c))/(2*a);
printf("x1=x2=%.5f\n",x1);
}
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);
}
if(b*b-4... |
27 | 13316 | int main(int argc, char* argv[])
{
int i,n;
scanf("%d",&n);
for(i=0;i<n;i++)
{
double a,b,c,d;
scanf("%lf%lf%lf",&a,&b,&c);
d=b*b-4*a*c;
if (b==0)
{
b=(-1)*b;
}
if (d==0)
{
printf("x1=x2=%.5lf\n",(-1)*b/(2*a));
}
else... |
27 | 13317 | int main()
{
int n,i,j;
double a[100][3],t;
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++)
{
t=-a[i][1]/(2*a[i][0]);
if(a[i][1]==0.0) t=0;
if(a[i][1]*a[i][1]-4*a[i][0]*a[i][2]==0)
printf("x1=x2=%.5lf\n",t);
else if(a[i][1]*a[i][1]-4*a[... |
27 | 13318 | /*
* ????1089.cpp
* ??????
* ????: 2012-10-8
* ??:???????????????
*/
int main(){
int n;
double a=0,b=0,c=0,delta=0,x1=0,x2=0,x=0; //a,b,c?????????????x???????????
cin >> n;
while(n--){ //????
cin >> a >> b >> c;
delta=b*b-4*a*c;
if (delta>=0){ ... |
27 | 13319 | int main(){
int n;
cin>>n;
for(int i=0;i<n;i++){
double a,b,c;
cin>>a>>b>>c;
double d=b*b-4*a*c;
if(abs(d)<1e-8)d=0;
double e=-b/2/a;
if(abs(e)<1e-8)e=0;
if(abs(d)<1e-8)printf("x1=x2=%.5f",e);
else if(d>0)printf("x1=%.5f;x2=%.5f",e+sqrt(d)/2/a,e-sqrt(d)/2/a);
else {
d=abs(d);
if(a>0)
printf("x1=%.5f+%.5fi;x2=%.5f-%.5fi... |
27 | 13320 | int main(){
double a,b,c;
int n;
cin>>n;
for(int i=0;i<n;i++){
cin>>a>>b>>c;
if(b!=0){
if(b*b-4.0*a*c==0){
printf("x1=x2=%.5lf\n",(double)(-b/(2*a)));
}else{
if(b*b-4.0*a*c>0) printf("x1=%.5lf;x2=%.5lf\n",(-1.0*b+sqrt(b*b-4*a*c))/(2.0*a),(-1.0*b-sqrt(b*b-4*a*c))/(2.0*a));
else printf("x1=%.5lf+%.5... |
27 | 13321 | void main()
{
int n,i;
float a,b,c,r,s,x1;
scanf("%d",&n);
for(i=1;i<=n;i++)
{
scanf("%f %f %f",&a,&b,&c);
r=(b*b-4*a*c);
s=-(b)/(2*a);
if(fabs(s)<0.00001) s=0;
x1=(-b+sqrt(r))/(2*a);
if(fabs(x1)<0.00001) x1=0;
if(r>0.00001) printf("x1=%.5f;x2=%.5f",x1,(-b-sqrt(r))/(2*a));
else if(fabs(r)... |
27 | 13322 | int main()
{
int n,i;
double delta,x1,x2,re,im1,im2;
scanf("%d",&n);
float a[n],b[n],c[n];
for(i=1;i<=n;i++)
scanf("%f%f%f",&a[i],&b[i],&c[i]);
for(i=1;i<=n;i++)
{
#define a a[i]
#define b b[i]
#define c c[i]
delta=b*b-4*a*c;
if (delta>0)
{
x1=(-b + sqrt(delta))/(2*a);
... |
27 | 13323 | main()
{
int n,i;
double a,b,c,p,q,d;
scanf("%d",&n);
for(i=0;i<n;i++)
{
scanf("%lf%lf%lf",&a,&b,&c);
d=b*b-4.0*a*c;
if(d>=0)
{
q=sqrt(d)/(2.0*a);
p=-b/(2.0*a);
if(q-0>=0.00001) printf("x1=%.5f;x2=%.5f\n",p+q,p-q);
else
if(p<0.00001&&p>-0.00001) printf("x1=x2=0... |
27 | 13324 | int main()
{
int n,i;
double a,b,c,x1,x2,f,g;
cin>>n;
cout<<fixed;
for(i=1;i<=n;i=i+1)
{
cin>>a>>b>>c;
f=-b/(2*a);
g=sqrt(4*a*c-b*b)/(2*a);
if(f==-0)
{
f=-f;
}
if((b*b-4*a*c)<0)
{
cout<<setprecision(5)<<"x1="<<f<<"+"<<g<<"i"<<";"<<"x2="<<f<<"-"<<g<<"i"<<endl;
}
else if((b*b-4*a*c)==0)... |
27 | 13325 | main()
{
int n,i;
scanf("%d",&n);
for(i=1;i<=n;i++)
{
double ai,bi,ci,di,ei,fi,gi,x1i,x2i;
scanf("%lf %lf %lf",&ai,&bi,&ci);
di=bi*bi-4*ai*ci ;
if(di>0)
{
gi= sqrt(di);
x1i=(-bi+gi)/(2*... |
27 | 13326 | /*
* ?????????????.cpp
* ?????
* ????: 2012-10-10
* ????????????
*/
int main(){ //?????
double a=0.0,b=0.0,c=0.0,x1=0.0,x2=0.0,x3=0.0; //????????a,b,c,x1,x2,x3,x4
int n=1,n1=1; //????n,n1
cin>>n; ... |
27 | 13327 | int main()
{
int n,j;
double a[100],b[100],c[100],x1,x2,t;
double u,v;
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++){
t=b[j]*b[j]-4*a[j]*c[j];
if(t>0){
x1=(-b[j] + sqrt(b[j]*b[j]-4*a[j]*c[j]))/(2*a[j]);
x2=(-b[j] - sqrt(b[j]*b[j]-4*a[j]*c[j]))/(2*a[j]);... |
27 | 13328 | main()
{ int n,k;
double x1,x2,a,b,c,d,e;
scanf("%d",&n);
k=1;
do{scanf("%lf%lf%lf",&a,&b,&c);
d=b*b-4*a*c;
if(d>=0)
{if(d>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);
k=k+1;}
else
{
printf("x1=x2=%.5f\n",-b/(2*a));
k=k+1;}
... |
27 | 13329 | //****************************
//**Title:?????????**
//**Author:???1300017687 **
//**Date?2013.10.9 **
//**File?6.cpp **
//****************************
int main()
{
int n; //??n???????
cin >> n; //??n
for ( int i = 1;i <= n; i++) //??i?1?n???
{ //????
double a,b,c; //?... |
27 | 13330 | int main()
{
double n,m,a,b,c,x1,x2,h,j;
cin>>n;
for(m=1;m<=n;m++)
{
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(-0.000001<x1&&x1<0)
x1=0.00000;
if(-0.000001<x2&&x2<0)
x2=0.00000;
cout<<"x1=";
printf("%.5f",x1);
c... |
27 | 13331 |
int main(int argc, char* argv[])
{
double a,b,c;
int n;
double x1,x2,m,p,q;
int i=0;
scanf ("%d",&n);
for (i=0;i<n;i++)
{ scanf ("%lf%lf%lf",&a,&b,&c);
m=b*b-4*a*c;
if (m==0)
{
x1=(-b)/(2*a);
x2=(-b)/(2*a);
printf ("x1=x2=%.5lf\n",x1);
}
if (m>0)
{
x1=(-b + sqrt(b*b-4*a*c))/(2... |
27 | 13332 | int main ()
{
int n,i;
cin >>n;
float a[n][3];
double d,x,y;
i=1;
while (i<=n)
{
cin >>a[i][1]>>a[i][2]>>a[i][3];
i++;
}
i=1;
while (i<=n)
{
d=a[i][2]*a[i][2]-4*a[i][1]*a[i][3];
if (d==0)
{
x=-a[i][2]/(2*a[i... |
27 | 13333 | int main()
{
float a,b,c,n,i,j,x,y;
scanf("%f",&n);
for(i=1;i<=n;i=i+1)
{
scanf("%f %f %f",&a,&b,&c);
j=b*b-4*a*c;
if(j>0)
{printf("x1=%.5f;x2=%.5f\n",((-b+sqrt(j))/(2*a))+0.000001,(-b-sqrt(j))/(2*a))+0;}
else
if(j==0)
{printf("x1=x2=%.5f\n",(-b)/(2*a))+0;}
... |
27 | 13334 |
int main(int argc, char* argv[])
{
int n,i;
scanf("%d",&n);i=n;
double a[n],b[n],c[n];
double x1[n],x2[n];
for(;n>0;n--){
scanf("%lf %lf %lf",&a[n],&b[n],&c[n]);
if(b[n]*b[n]-4*a[n]*c[n]<0){
x1[n]=-b[n]/(2*a[n]);
x2[n]=sqrt(4*a[n]*c[n]-b[n]*b[n])/(2*a[n]);
}
else {
x1[n]=... |
27 | 13335 | int main()
{
short task_number,i;
double a,b,c,x1,x2,delta,real,image;
scanf("%d",&task_number);
for(i=1;i<=task_number;i++)
{
scanf("%lf%lf%lf",&a,&b,&c);
delta=b*b-4.0*a*c;
if(fabs(delta)<1E-5)
{
x1=-b/(2.0*a);
if(fabs(x1)<1E-5) x1=0.0;
printf("x1=x2=%.5lf\n",x1);
}
else
{
if(delta>0)
... |
27 | 13336 | int main(int argc, char* argv[])
{
int n,j;
scanf("%d",&n);
double a,b,c;
for(j=0;j<n;j++){
scanf("%lf %lf %lf",&a,&b,&c);
if((b*b-4*a*c)>0){
double x1,x2;
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);
}
if... |
27 | 13337 | int main()
{
int n;
float a,b,c;
cin>>n;
while(n>0){
double x,y,xi,yi,d;
cin>>a>>b>>c;
d=b*b-4*a*c; //?????
if(d>0)
{x =(-b+sqrt(d))/(2*a) ; //d>0?????
y =(-b-sqrt(d))/(2*a) ;
cout<<"x1="<<fixed<<setprecision(5)<<x<<";x2="<<fixed<<setprecision(5)<<y<<endl;
}
else if((d)==0)
{x=(-b... |
27 | 13338 |
int main(int argc, char* argv[])
{
int n,i;
scanf("%d",&n);
for (i=1;i<=n;i++)
{
double a,b,c,x1,x2;
scanf("%lf%lf%lf",&a,&b,&c);
if (a!=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);
if (x1==x2)
{
printf("x1=x2=%.5f\n",x1);
}
else
{
print... |
27 | 13339 | int main()
{
double a,b,c,x1,x2,m,y;int n,i;
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);
}
if (b*b-4*a*c==0)
{
x1=-b/(2*a);
printf("x1=x2=%.5lf\n",x1);
}
if (b*b-4*a*c<0)
{
m=-... |
27 | 13340 | int main()
{
int n;
double a, b, c;
double delta, x1, x2, real_figure, unreliable_figure; //??????delta????real_figure?????unreliable_figure??
cin >> n; //???????
for(int i = 1; i <= n; i++) //??n??????????
{
cin >> a >> b >> c;
delta = b * b - 4 * a * c; //??delta
if(delta >= 0) //??delta????????... |
27 | 13341 | //**************************
//*???????????? (1051)**
//*?????? 1200012888 **
//*???2013.10.10**
//**************************
int main()
{
double a , b , c , x1 ,x2; //????a b c????x1 x2
int n; //?????? n
cin>>n; //??n
for (int i = 1 ; i <= n ; i++) //???????????????
{
cin>>a>>b>... |
27 | 13342 | //***************************************************
//*????????????.cpp **
//*????? 1100012808 **
//*???2011.09.25 **
//*???????????????????? **
//***************************************************
int main()
{
int n,i;
f... |
27 | 13343 | double fuhao(double x)
{
double result;
if ((x<0)&&(0-x<0.00001))
result=0;
else result=x;
return result;
}
int main()
{
double a[100],b[100],c[100],x1[100],x2[100],delta[100];
int n,i,decide[100];
scanf("%d",&n);
for (i=0;i<n;i++)
{
scanf("%lf %lf %lf",&a[i],&b[i],&c[i]);
delta[i]=b[i]*b[i... |
27 | 13344 | int main( )
{ int n,i;
double a,b,c,delta,x1,x2,x11,x12;
cin >>n;
cout <<fixed <<setprecision(5); //???????5?
for (i=1;i<=n;i++)
{ cin >>a >>b >>c;
delta = b*b -4*a*c; //?????
if (delta==0) //????0????????
{ x1 = (-b/(2*a));
co... |
27 | 13345 | main()
{
int n,i;
scanf("%d",&n);
double a,b,c,p,x1,x2;
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=%.5f;x2=%.5f\n",x1,x2);
}
el... |
27 | 13346 | int main()
{
int n,k;
float a,b,c;
double x1,x2,t,i;
cin>>n;
for(k=0;k<n;k=k+1)//circulating
{
cin>>a>>b>>c;
t=b*b-4*a*c;
if(t==0)
{
x1=(-b + sqrt(t))/(2*a);
x2=(-b - sqrt(t))/(2*a);
cout<<fixed<<setprecision(5)<<"x1"<<"="<<"x2"<<"="<<fixed<<setprecision(5)<<x1<<endl;... |
27 | 13347 | int main(){
int n;
double a,b,c,j,x1,x2,m;
cin>>n;
do
{n--;
cin>>a>>b>>c;
x1=(-b + sqrt(b*b-4*a*c))/(2*a) ;
x2=(-b - sqrt(b*b-4*a*c))/(2*a);
m=(-b)/(2*a);
j=b*b-4*a*c ;
cout<<fixed<<setprecision(5);
if(x1<0.00001&&x1>-0.00001) x1=0;
if(x2<0.00001&&x2>-0.00001) x2=0;
if(j>0) cout<<"x1="<<x1<<";x2="<<x2<<endl;
... |
27 | 13348 | void main()
{
int n,i=1;
float a,b,c;
double x1,x2;
scanf("%d",&n);
while(i<=n)
{
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 = (-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=(-b + sqrt(b*b-4*a*c))/(2*a)... |
27 | 13349 | int main ()
{
int n,i;
float a,b,c;
double d,x1,x2,ii;
scanf("%d",&n);
for (i=1;i<=n;i++)
{
scanf("%f %f %f",&a,&b,&c);
//printf("%f %f %f",a,b,c);
d=b*b-4*a*c;
if (d>0.0)
{
x1=(-b+sqrt(d))/(2.0*a);
x2=(-b-sqrt(d))/(2.0*... |
27 | 13350 | int main()
{
int n ;
cin >> n ;
double a[101] , b[101] , c[101] , d[101] ;
for (int i = 1 ; i <= n ; i++)
{
cin >> a[i] >> b[i] >> c[i] ;
d[i] = b[i] * b[i] - 4 * a[i] * c[i];
}
for (int j = 1 ; j <= n ; j++)
{
if(b[j]==0)
{
if (d[j]==0)
cout << fixed << setprecision(5) << "x1=x2=" << b[j]/(2.0 * ... |
27 | 13351 | int main(){
int n,d=1;
double a,b,c,x1,x2,y,p,q;
scanf("%d",&n);
for(d=1;d<=n;d++){
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);
printf("x1=%.5lf;x2=%.5lf\n",x1,x2);
}
else if(y==0){
x1=-b/(2*a);
printf("x1=x2=%.5lf\n",x1);
... |
27 | 13352 |
int 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);
d=b*b-4*a*c;
e=(-b)/(2*a);
if(d>0)
{
printf("x1=%.5lf;x2=%.5l... |
27 | 13353 | main()
{
int n,i;
scanf("%d",&n);
double a,b,c,x,num1,num2,k1,k2;
for(i=1;i<=n;i++)
{
scanf("%lf %lf %lf",&a,&b,&c);
x=b*b-4*a*c;
if(x>=0)
{
if(x==0)
{
num1=num2=(-b + sqrt(b*b-4*a*c))/(2*a);
pr... |
27 | 13354 | int main()
{
int e,i;
double a[50],b[50],c[50];
scanf("%d",&e);
for(i=0;i<e;i++)
{
scanf("%lf%lf%lf",&a[i],&b[i],&c[i]);
}
double delta,m,n,x1,x2;
for (i=0;i<e;i++)
{
delta=b[i]*b[i]-4*a[i]*c[i];
m=-(b[i]/(2*a[i]));
n=sqrt(fabs(delta))/(a[i]*2);
if(a[i]!=0)
{
if(delta==0)
{
print... |
27 | 13355 | main()
{
int n,j;
double a,b,c,y,e,f;
scanf("%d",&n);
for(j=1;j<=n;j++)
{
scanf("%lf %lf %lf",&a,&b,&c);
y=b*b-4*a*c;
if(y>0)
{
e=(-b+sqrt(y))/(2*a);
f=(-b-sqrt(y))/(2*a);
printf("x1=%.5f;",e);
pr... |
27 | 13356 | int main()
{int i,n;
cin>>n;
double a,b,c,sum,del;
for(i=0;i<n;i++)
{cin>>a>>b>>c;
del=b*b-4*a*c;
if(del==0)
cout<<"x1=x2="<<fixed<<setprecision(5)<<-b/2/a<<endl;
if(del>0)
cout<<"x1="<<fixed<<setprecision(5)<<(-b+sqrt(del))/2/a<<";"<<"x2="<<fixed<<setprecision(5)<<(-b-sqrt(del))/2/a<<endl;
if(del<0)
{if (b!=0)
cou... |
27 | 13357 | int main()
{
int n,i;
double ai,bi,ci,k,x1,x2,d,e;
cin>>n;
for(i=1;i<=n;i++){
cin>>ai>>bi>>ci;
k=bi*bi-4*ai*ci;
if(k>0){
x1=(-bi+sqrt(k))/(2*ai);
x2=(-bi-sqrt(k))/(2*ai);
cout<<fixed<<setprecision(5)<<"x1="<<x1<<";"<<"x2="<<x2<<endl;
}
if(k==0){
x1=x2=(-bi)/(2*ai);
cout<<fixed<... |
27 | 13358 | void gen(double a,double b,double c);
int main()
{
double *a,*b,*c;
int n,i;
scanf("%d",&n);
a=(double*)malloc(n*sizeof(double));
b=(double*)malloc(n*sizeof(double));
c=(double*)malloc(n*sizeof(double));
for(i=0;i<=n-1;i++)
{
scanf("%lf %lf %lf",&a[i],&b[i],&c[i]);
}
for(i=0;i<=n-1;i++)
{
gen(a[i]... |
27 | 13359 |
int main()
{
int n,m;
double a,b,c;
double x1,x2,q,h;
scanf("%d",&n);
for(m=1;m<=n;m++)
{
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);
if(x1==x2)
printf("x1=x2=%.5lf\n",x1,x2);
else
printf... |
27 | 13360 | void main()
{
int n,d;
double a,b,c,p,x1,x2,o,q;
scanf("%d",&n);
for(d=0;d<n;d++)
{
scanf("%lf %lf %lf",&a,&b,&c);
p=b*b-4*a*c;
o=sqrt(-p)/(2*a);
q=-b/(2*a);
if(p<-ESSP)
printf("x1=%.5lf+%.5lfi;x2=%.5lf%.5lfi\n",q,o,q,-o);
else if(p>ESSP)
{
x1=(-b+sqrt(p))/(2*a);
x2=(-b-sqrt(p))/(2*a);
pr... |
27 | 13361 | /*
* ????dz.cpp
* ??????
* ????:2012-10-13
* ????????????
*/
int main(){
float a=0,b=0,c=0; //????a,b,c
int i,n; //????n
double d,e; //????d,e
cin>>n; ... |
27 | 13362 | int main ()
{
int n,m;
scanf ("%d\n",&n);
double a[n],b[n],c[n],x1[n],x2[n],p[n],r[n],s[n];
for (m=0;m<n;m++)
{
scanf ("%lf %lf %lf\n",&a[m],&b[m],&c[m]);
if (b[m]*b[m]-4*a[m]*c[m]>0)
{
x1[m]=(-b[m] + sqrt(b[m]*b[m]-4*a[m]*c[m]))/(2*a[m]);
x2[m]=(-b[m] - sqrt(b[m]*b[m]-4*a[m]*c[m]))/(2*a[m]);
}
else if (b[m]*b[m]-4*a[m... |
27 | 13363 | main()
{
int n,i;
scanf("%d",&n);
for(i=1;i<=n;i++)
{
double a,b,c,D,Re,Im,x1,x2;
scanf("%lf%lf%lf",&a,&b,&c);
D=b*b-4*a*c;
if(D>0)
{
x1=(0-b+sqrt(D))/(2*a);
x2=(0-b-sqrt(D))/(2*a);
printf("x1=%.5lf;x2=%.5lf\n",x1,x2);
... |
27 | 13364 | // sqart.cpp : Defines the entry point for the console application.
//
int main(int argc, char* argv[])
{
int i,n;
scanf("%d",&n);
double a[100],b[100],d[100],x1,x2;
for(i=0;i<n;i++)
{scanf("%lf%lf%lf",&a[i],&b[i],&d[i]);}
for(i=0;i<n;i++)
{
if((b[i]*b[i]-4*a[i]*d[i])<0)
{ double m,n;
m=-b[i]/(2*a[i])... |
27 | 13365 | /*
* equation.cpp
*
* Created on: 2013-10-23
* Author: Mac
*/
/*
* 9898989.cpp
*
* Created on: 2013-9-26
* Author: Mac
*/
int main()
{
int n;
double a,b,c,x1,x2,xr,xi;//define roots and real part and i part
cin>>n;
while (n--)
{
cin>>a>>b>>c;
if ((b*b-4*a*c)==0)
{
x1 = (-b)/(2*a);
c... |
27 | 13366 | /**
* @file 1.cpp
* @author ??? 1100013230
* @date 2011-9-16
* @descrption
* ???????????????
*/
int main()
{
int n,k;
cin>>k; //??????????k
for(n=1;n<=k;n=n+1) ... |
27 | 13367 |
int main()
{
int n,i,j;
scanf("%d",&n);
struct data{
double a,b,c;
}*datas;
datas=(struct data*)malloc(sizeof(data)*n);
for (i=0;i<n;i++)
{
scanf("%lf%lf%lf",&datas[i].a,&datas[i].b,&datas[i].c);
}
double *x1,*x2;
x1=(double*)malloc(sizeof(double)*n);
x2=(double*)malloc(sizeof(double)*n);... |
27 | 13368 | int main()
{
double a,b,c,d,x,y;
int k;
cin>>k;
for(int i=1;i<=k;i++)
{cin>>a>>b>>c;
d=b*b-4*a*c;
if(d>=0)
{if(d<=0)
{y=-b/(2*a);
cout<<fixed;
cout<<setprecision(5)<<"x1=x2="<<y<<endl;
}
else
{
d=sqrt(d);
x=(-b+d)/(2*a);
y=(-b-d)/(2*a);
cout<<fixed;
cout<<setprecision(5)<<"x1="<<x<<";x2="<<y<<endl;
}
}
else
{
d=sqrt(-... |
27 | 13369 | int main()
{
double m[2][99],x[99],a,b,c;
int i,n;
scanf("%d",&n);
for(i=0;i<n;i++)
{
scanf("%lf %lf %lf",&a,&b,&c);
x[i]=b*b-4*a*c;
if(x[i]>0)
{
m[0][i]=(-b+sqrt(x[i]))/(2*a);
m[1][i]=(-b-sqrt(x[i]))/(2*a);
}
else
{
if(x[i]==0)
{
m[0][i]=(-b)/(2*a);
}
else
{
m[0][i]=(-b)... |
27 | 13370 | int main ()
{
int n , i ;
float a , b , c;
double x1 , x2 , r , d ;
cin >> n ;
for (i = 1 ; i <= n ; i++)
{
cin >> a >> b >> c ;
if (b*b-4*a*c>0)
{
x1 = (-b + sqrt (b * b - 4.0 * a * c ))/(2.0*a);
x2 = (-b - sqrt (b * b - 4.0 * a * c ))/(2.0*a);
if (b==0)
{
b=0;
}
cout << fixed << set... |
27 | 13371 | //?????????
int main()
{
int n = 0, i = 0;
cin >> n;
for (i = 1; i <= n; i++)
{
double a = 0, b = 0, c = 0;
cin >> a >> b >> c;
double d = b * b - 4 * a * c, x1 = 0, x2 = 0, r = 0,t = 0;
if (d >= 0)
{
x1 = (-b + sqrt(d)) / (2 * a);
x2 = (-b - sqrt(d)) / (2 * a);
if (x1 == x2)
cout << "x1=x2="... |
27 | 13372 | //****************************************
//*?? ????????? **
//*?????? 1100013020 **
//*???2011.9.23 **
//****************************************
int main()
{
int i,n;
double a[100],b[100],c[100],x1[100],x2[100],k[100],l[100],p[100]; //???????????
i=1;
cin>>n... |
27 | 13373 | //***********************************
//* ????6.cpp *
//* ????? *
//* ???2013.10.9 *
//* ???????????? *
//***********************************
int main()
{
int n , i ;
double root1 , root2, a , b , c ;
cin >> n ;
for (i = 0 ; i < n ; i++)
{
cin >> a >> b >> c ;
cout << fixed;
if ( b... |
27 | 13374 | main()
{
int n,j;
double a,b,c;
double p,q,r,u,v,t;
double x1,x2;
char i;
scanf("%d",&n);
double m[100][3];
for(j=0;j<n;j++)
{
scanf("%lf%lf%lf\n",&a,&b,&c);
m[j][0]=a;
m[j][1]=b;
m[j][2]=c;
}
for(j=0;j<n;j++)
{
p=m[j][0];
q=m[j][1];
r=m[j][2];
t=q*q-4*p*r;
if(t>0)... |
27 | 13375 | int main()
{
int n;
cin>>n;
while(n--)
{
float a,b,c;
cin>>a>>b>>c;
double delta=b*b-4*a*c;
cout<<fixed<<setprecision(5);
if(delta>0)
{
double x1=(-b+sqrt(delta))/(2*a);
double x2=(-b-sqrt(delta))/(2*a);
if(x1==-0.0) x1=0.0;
if(x2==-0.0) x2=0.0;
cout<<"x1="<<x1<<";x2="<<x2<<endl;
conti... |
27 | 13376 | int main()
{
double a[len],b[len],c[len],x[len],y[len],x1,x2,d;
int n,i;
char m='i';
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((b[i]*b[i]-4*a[i]*c[i])>0){
x[i]=(-b[i]+sqrt(b[i]*b[i]-4*a[i]*c[i]))/(2*a[i]);
y[i]=(-b[i]-sqrt(b[i]*b[i]-4*a[i]*c[i]))/... |
27 | 13377 | int main()
{
int n,i;
cin >> n;
for(i=0;i<n;i++)
{
double a[100], b[100], c[100], d, x1 , x2, f, g;
cin >> a[i] >> b[i]>> c[i];
d=b[i]*b[i]-4*a[i]*c[i];
if(d>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 <... |
27 | 13378 | main()
{
double a,b,c;
int i=1,d;
scanf("%d",&d);
for (i;i<=d;i++)
{
scanf("%lf %lf %lf",&a,&b,&c);
if (b*b-4*a*c>0)
{printf("x1=%.5f;x2=%.5f\n",(0-b + sqrt(b*b-4*a*c))/(2*a),(0-b - sqrt(b*b-4*a*c))/(2*a));
}
if (b*b-4*a*c==0)
{printf("x1=... |
27 | 13379 | int main(){
int n,m;
float a,b,c;
double z,x,y,d,e,f;
scanf("%d",&n);
for(m=0;m<n;m++){
scanf("%f %f %f",&a,&b,&c);
z=b*b-4*a*c;
if(z>0) {
x=(-b+sqrt(z))/(2*a);
if(x<0.0001&&x>-0.0001) x=0.00000;
y=(-b-sqrt(z))/(2*a);
printf("x1=%.5f;x2=%.5f\n",x,y);};
if(z==0) {
f=(-b)/(2... |
27 | 13380 | int main(int argc, char* argv[])
{
int i,n;
double a[100],b[100],c[100];
double k;
scanf("%d",&n);
double x1,x2;
double f;
for(i=0;i<n;i++)
{
scanf("%lf %lf %lf",&a[i],&b[i],&c[i]);
}
for(i=0;i<n;i++)
{
f=-(b[i]/2/a[i]);
double j=sqrt(b[i]*b[i]-4*a[i]*c[i])/(2*a[i]);
if(b[i]!=0)
{
... |
27 | 13381 | int main()
{
int n;
scanf("%d", &n);
double a[100],b[100],c[100];
int i;
double delta[100];
double x1,x2;
double x11,x12,x21,x22;
double mo[100];
double e[100];
for(i=1;i<=n;i++)
{
scanf("%lf%lf%lf", &a[i], &b[i], &c[i]);
delta[i... |
27 | 13382 | int main()
{
int n; //????n????????
double a, b, c, x1, x2, shi, xu; //?????a,b,c???,x1,x2?????,shi,xu?????
cin >> n; //????????
for ( int p = 1; p <= n; p++ ) //????
{
cin >> a >> b >> c;
if ( b * b - 4 * a * c <... |
27 | 13383 | int main()
{
double a,b,c,d,x,y;
int k;
cin>>k;
for(int i=1;i<=k;i++)
{cin>>a>>b>>c;
d=b*b-4*a*c;
if(d>=0)
{if(d<=0)
{y=-b/(2*a);
cout<<fixed<<setprecision(5)<<"x1=x2="<<y<<endl;
}
else
{
d=sqrt(d);
x=(-b+d)/(2*a);
y=(-b-d)/(2*a);
cout<<fixed<<setprecision(5)<<"x1="<<x<<";x2="<<y<<endl;
}
}
else
{
d=sqrt(-d)/(2*a);
b=-... |
27 | 13384 | int main()
{
int n,i;
scanf("%d",&n);
double a,b,c,d,e;
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;x2=%.5lf%.5lfi\n",e,sqrt(-d)/(2*a),e,-sqrt(-d)/(... |
27 | 13385 | int main()
{
int n,i=0;
scanf("%d",&n);
for(i=0;i<n;i++)
{ float a,b,c,d;
double disc,x1,x2,realpart,imagpart;
scanf ("%f%f%f",&a,&b,&c);
disc=b*b-4*a*c;
if(fabs(disc)==0)
printf("x1=x2=%.5f\n",-b/(2*a));
else if (disc>0)
{x1=(-b+sqrt(disc))/(2*a);
x2=(-b-sqrt(disc))/(2*a);
printf ("x1=%.5f;x2=%.5f\... |
27 | 13386 |
int main()
{
double a, b, c, delta, x1, x2;
int n;
scanf("%d", &n );
while( n-- ) {
scanf("%lf %lf %lf", &a, &b, &c );
delta = b * b - 4 * a * c;
if( delta < 0 ) {
delta = sqrt(-delta) / 2 / a;
printf("x1=%.5lf+%.5lfi;x2=%.5lf%.5lfi\n", -b/2/a, delta, -b/... |
27 | 13387 | main()
{
int p,n;
double a,b,c,x1,x2,m;
scanf("%d",&n);
for(p=1;p<=n;p++)
{
scanf("%lf %lf %lf",&a,&b,&c);
m=b*b-4*a*c;
if(m>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);... |
27 | 13388 | int main()
{int n=0;
double a=0,b=0,c=0,d=0;
cin>>n;
for(int i=1;i<=n;i++)
{cin>>a>>b>>c;
d=b*b-4*a*c;
if(b-0==0)
{if(d-0>0)
{cout<< fixed << setprecision(5) << "x1=0.00000+"<<sqrt(d)/(2*a)<<";"<<"x2=0.00000"<<-sqrt(d)/(2*a)<<endl;
}
if(d-0==0)
{cout<<fixed << setprecision(5) << "x1=x2="<<-b/(2*a)<<endl;... |
27 | 13389 | int main()
{
int i,n;
double x1,x2,a,b,c;
scanf("%d",&n);
double m[n],y[n],z[n];
for(i=1;i<=n;i++){
scanf("%lf %lf %lf",&m[i],&y[i],&z[i]);
}
for(i=1;i<=n;i++){
a=m[i];b=y[i];c=z[i];
if((b*... |
27 | 13390 | void main()
{
int n,i;
double p,q,t,x1,x2,a,b,c;
scanf("%d",&n);
for (i=0;i<n;i++)
{
scanf("%lf %lf %lf",&a,&b,&c);
p=-b/(2*a);
t=b*b-4*a*c;
if (t>0)
{
q=sqrt(b*b-4*a*c)/(2*a);
x1=p+q;
x2=p-q;
printf("x1=%.5lf;x2=%.5lf\n",x1,x2);
}
else if (t==0)
{
printf("x1=x2=%.5lf\n",p);
}
el... |
27 | 13391 | int main()
{
int n,i;
double a,b,c,k,s,l;
cin>>n;
cout<<fixed;
cout.precision(5);
for(i=1;i<=n;i++)
{
cin>>a>>b>>c;
if(b*b-4*a*c>=0)
{
k=sqrt(b*b-4*a*c);
if(k==0)
{
if(b==0)
s=0;
else
s=-b/(2*a);
cout<<"\nx1=x2="<<s;
}
else
{
s=(-b+k)/(2*a);
l=(-b-k)/(2*a)... |
27 | 13392 |
int main()
{
int n,i;
double x1[100],x2[100],num1[100],num2[100],num3[100];
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++)
{
num1[i]=b[i]*b[i]-4*a[i]*c[i];
if (num1[i]>1e-6)
{
x1[i]=(-b[i]+sqrt(num1[i]))/(2*a[i]);
x2[i]=(-b[i... |
27 | 13393 |
void main()
{
int n;
scanf("%d",&n);
double a[1000],b[1000],c[1000];
int q;
double x1,x2;
for(q=0;q<n;q++)
{
scanf("%lf%lf%lf",&a[q],&b[q],&c[q]);
}
for(q=0;q<n;q++)
{
double d = b[q]*b[q]-4*a[q]*c[q];
if(d>0)
{
x1=(-b[q] + sqrt(d))/(2*a[q]) ;
x2=(-b[q] - sqrt(d))/(2*a[q]);... |
27 | 13394 | main()
{
int n,i;
double a[999],b[999],c[999],x1,x2,d;
scanf("%d",&n);
i=1;
while(i<=n)
{
scanf("%lf %lf %lf",&a[i],&b[i],&c[i]);
i=i+1;
}
{
i=1;
for(i=1;i<=n;)
{ if (b[i]!=0)
{d=b[i]*b[i]-4*a[i]*c[i];
if(d>0)
{ x1=(-b[i] + sqrt(... |
27 | 13395 | /*????
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?
????
???????????n?
??n?????????a, b, c??????????????????ax2 + bx + c =0???
????
????n????????????
???????????x1=...;x2 = ...
????????????x1=x2=...
???????????x1=??+??i; x2=??-??i
???????????????5??????????... |
27 | 13396 | int main()
{
int n,i;
scanf("%d",&n);
double a,b,c;
double x1,x2;
for(i=1;i<=n;i++)
{
scanf("%lf%lf%lf",&a,&b,&c);
if(b*b-4*a*c>0.0)
{
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<0.0)
{
... |
27 | 13397 | int main()
{
int i,n;
cin>>n;
for(i=1;i<=n;i++)
{
double a=0,b=0,c=0;
cin>>a>>b>>c;
if(b*b-4*a*c==0)
{
cout<<"x1=x2="<<fixed<<setprecision(5)<<-b/(2*a)<<endl;
continue;
}
if(b*b-4*a*c>0)
{
cout<<"x1="<<fixed<<setprecision(5)<<(-b + sqrt(b*b-4*a*c))/(2*a)
<<";x2="<<(-b - sqrt(b*b-4*a... |
27 | 13398 | int main()
{
int n,i;
scanf("%d",&n);
for(i=0;i<n;i++)
{
double a,b,c;
scanf("%lf%lf%lf",&a,&b,&c);
if(b*b>4*a*c)
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)
printf("x1=x2=%.5lf\n",(-b+sqrt(b*b-4*a*c))/(2*a));
else
{
if(b==0)
... |
27 | 13399 | int main()
{
int n;
cin >> n;
float formal[n][3];
for (int i = 0; i < n; i++)
cin >> formal[i][0] >> formal[i][1] >> formal[i][2];
double x1,x2,delta,unfi;
for (int i = 0; i < n; i++)
{
delta = formal[i][1] * formal[i][1] - (4 * formal[i][0] * formal[i][2]);
if (delta > 0)
{
x1 = (-formal[i][1] + sqrt... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.