help me p lz

hello to every one.
could u tell me how can i measure time in c++,i mean the time of excuting.
thank u.

 

Use

Code:

clock_t start, finish;
start = clock();

// your code here

finish = clock();

 

thank,u....and plz explain how to read a file.txt by c++ and do sth with the text...e,g how to count using of the word "kol" in the text.