Cod sursă (job #785094)

#include <stdio.h>
#include <stdlib.h>

int main()
{
FILE *fin,*fout;
int c,t,m,x,cant,nrz,mc;
fin=fopen("scv.in","r");
fscanf(fin,"%d%d%d%d",&c,&t,&m,&x);
cant=nrz=0;
mc=m;
while(cant<x){
 while(cant<x&&cant<c){
  nrz++;
  cant+=m;
 }
 if(cant+m*t+m*(c/mc)>=x){
  while(cant<x){
   nrz++;
   cant+=m;
  }
 }
 else{
  nrz+=t;
  cant=cant-c+m*t;
  m+=mc;
 }
}
fout=fopen("scv.out","w");
fprintf(fout,"%d",nrz);
fclose(fout);
    return 0;
}