Hello, i want to create a simple program which: 1.takes from a file some dataskbts/sec + time wanted to complete)for a download 2.finds the bandwidth 3.shows in an other file how much time is needed to complete download ex. 2(the amount of files) 3 57 2 22 The program must: 1.find bandwidth(3+2=5). 2.find the total size(2*22=44),44+(3*57=171),44+171=215kbts 3.find the total time(215/5=43sec) 4.show the result Now my problem: i have to use fstream in order to take input and produce output from and to files but i can have from 1-100 downloads the error is: Code: #include<iostream> #include<fstream> using namespace std; int main() { ifstream in("downloads.in"); ofstream out("downloads.out"); int n,time,size,kbts,t_size,t_kbts,total,counter; in>>n; int x[n],p[n],t[n]; for(counter=0;counter<n;counter++) in>>x[i]>>p[i]; -->there it says i cant do that t[i]=p[i]*x[i]; for(counter=0;counter<n;counter++) {t_size+=t[i]; t_kbts+=x[i];} total=t_size/t_kbts; out<<total; in close(); out close(); return 0; } so what????? x=kbts/sec p=time needed t=size PLEASE TRY IT BY YOURSELF AND TELL ME HOW TO FIX THIS THANKS A LOT
