Movement of the body-solution

#include < stdio.h >
using namespace std;
int main()
{
 double a,t,s,v; // a-acceleration, t-time, s-crossed path
  // v - current speed after
 scanf("%lf%lf", &a, &t); // read a in m / s ^ 2, time in seconds
 v=a*t; // instantaneous speed with evenly accelerated movement
  s=a*t*t/2; // displasment after time t in m
  printf("%.2fm/s\n%.2fm",v,s); // display the result
  return 0;
}