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11715(Car).cpp
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56 lines (55 loc) · 895 Bytes
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#include<stdio.h>
#include<math.h>
int main()
{
double s,v,u,a,t,num[4];
long int i;
i=1;
while(1)
{
scanf("%lf",&num[0]);
if(num[0]==0)
break;
scanf("%lf%lf%lf",&num[1],&num[2],&num[3]);
if(num[0]==1)
{
u=num[1];
v=num[2];
t=num[3];
a=(v-u)/t;
s=(u*t)+((a*t*t)/2);
printf("Case %ld: %.3lf %.3lf\n",i,s,a);
}
else if(num[0]==2)
{
u=num[1];
v=num[2];
a=num[3];
t=(v-u)/a;
s=(u*t)+((a*t*t)/2);
printf("Case %ld: %.3lf %.3lf\n",i,s,t);
}
else if(num[0]==3)
{
u=num[1];
a=num[2];
s=num[3];
v=(u*u)+(2*a*s);
v=sqrt(v);
t=(v-u)/a;
printf("Case %ld: %.3lf %.3lf\n",i,v,t);
}
else if(num[0]==4)
{
v=num[1];
a=num[2];
s=num[3];
u=(v*v)-(2*a*s);
u=sqrt(u);
t=(v-u)/a;
printf("Case %ld: %.3lf %.3lf\n",i,u,t);
}
i++;
}
return 0;
}