1096 - if (jtime &amp;amp;gt; jtimedistlimit) jtime =...

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#include<iostream> #include<cmath> // Copy a standard solution using namespace std; enum { SIZ = 104, }; /* ta * --- * / \ * tx/ \tx * / \ tv * ------- - a at different time * | \ / * | \ / * v \ / * max speed --- */ double D,M,A,J; double jtime; double jtimeaccellimit; // the time used to accelerate, e.g. tx in the graph double jtimespeedlimit; // the time used to reach the maximum speed, double jtimedistlimit; double atime; double dist; double delta; double a, b, c, r; void fun(){ jtimeaccellimit = A / J; // A >= J * tx; jtimespeedlimit = sqrt(M/J); // M >= J * tx^2; jtimedistlimit = cbrt(D/2.0/J); // D >= 2 * J * tx^3; jtime = jtimeaccellimit; if (jtime > jtimespeedlimit) jtime = jtimespeedlimit;

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Unformatted text preview: if (jtime &gt; jtimedistlimit) jtime = jtimedistlimit; atime = (M - J*jtime*jtime)/A; // M &lt;= J*tx*tx + A*atime // A *ta^2 + (2*A*tx + J*tx*tx)*ta + 2*J*tx*tx*tx - D = 0; calc accel time a = A/2; b = A*jtime + J*jtime*jtime/2; c = J*jtime*jtime*jtime - D/2; r = (-b + sqrt(b*b-4*a*c))/2/a; if (r &lt; atime) atime = r; dist = 2*J*jtime*jtime*jtime + J*jtime*jtime*atime + 2*A*jtime*atime + A*atime*atime; r = 4 * jtime + 2*atime + (D-dist)/M; printf(&quot;%.1lf\n&quot;, r); } int readIn(){ return scanf(&quot;%lf%lf%lf%lf &quot;, &amp;D, &amp;M, &amp;A, &amp;J); } int main(){ while(readIn() &gt; 0){ fun(); } return 0; }...
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1096 - if (jtime &amp;amp;gt; jtimedistlimit) jtime =...

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