Eroare de compilare: user.cpp:121:11: error: ‘::main’ must return ‘int’ void main() ^ user.cpp: In function ‘void citire()’: user.cpp:21:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d%d",&n,&m,&p); ^ user.cpp:24:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] { fscanf(f,"%d%d%d%d",&xa,&xb,&xc,&xd); ^