C++

[bean1]

pos mporo na emfanifo stin othoni dedomena apo 3 diaforetika files

diladi exo F1.txt, F2.txt, F3.txt kai thelo an emafino 2 apo F1.txt, 1 apo F2.txt,kai 3 apo to F3.txt

 

ginetai na diagrapseis dedomena apo ena arxeio txt kai an pos

[unre@l]

opos akrivos 8a ta emfanizes ama eixes ena arxeio 8a ta emfaniseis..apla 8a kaneis to idio prama polels fores

 

px prin eixes:

FILE *fp;

fp = fopen(...);

fscanf(fp, ...);

fclose(fp);

 

tora boreis na kaneis auto:

FILE *fp1;

FILE *fp2;

FILE *fp3;

 

fp1 = fopen(...);

fp2 = fopen(...);

fp3 = fopen(...);

 

fscanf(fp1, ...);

fscanf(fp2, ...);

fscanf(fp3, ...);

 

fclose(fp1);fclose(fp2);fclose(fp3);

 

auta vevea einia C Iostreams.

 

Gia C++ kaneis kati adistixo.

apla adi gia file pointers (FILE*)

exeis fstream objects. kai kaneis kati adistixo.