47 lines
757 B
Plaintext
47 lines
757 B
Plaintext
|
float advance(int n, float x, float y, float z, float dt)
|
||
|
{
|
||
|
int i = 0, j = 1, k = 0;
|
||
|
float vx = 1.6;
|
||
|
float vy = 7.6;
|
||
|
float vz = 6.9;
|
||
|
float m1 = 9.5;
|
||
|
float res;
|
||
|
|
||
|
while(i < n) {
|
||
|
float dx = x - vx;
|
||
|
float dy = y - vy;
|
||
|
float dz = z - vz;
|
||
|
float m = dt / (dx * dy * dz);
|
||
|
while (j < n) {
|
||
|
x =x- dx * m1 * m;
|
||
|
y =y- dy * m1 * m;
|
||
|
z =z- dz * m1 * m;
|
||
|
j=j+1;
|
||
|
}
|
||
|
i=i+1;
|
||
|
}
|
||
|
while(k < n) {
|
||
|
x =x+ dt * vx;
|
||
|
y =y+ dt * vy;
|
||
|
z =z+ dt * vz;
|
||
|
k=k+1;
|
||
|
}
|
||
|
res = x + y - z;
|
||
|
return res;
|
||
|
}
|
||
|
|
||
|
int main()
|
||
|
{
|
||
|
int n = getint();
|
||
|
int i = 1;
|
||
|
float x = 4.8;
|
||
|
float y = 1.1;
|
||
|
float z = 1.0;
|
||
|
float res;
|
||
|
starttime();
|
||
|
res = advance(n, x, y, z, 0.01);
|
||
|
stoptime();
|
||
|
putfloat(res);
|
||
|
return 0;
|
||
|
|
||
|
}
|