Compilare: user.cpp: In function ‘void lee(int, int)’: user.cpp:32:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,xv,yv,p=1,ok=0; ^ user.cpp:32:23: warning: unused variable ‘ok’ [-Wunused-variable] int i,j,xv,yv,p=1,ok=0; ^ user.cpp: In function ‘void citire()’: user.cpp:13:33: 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,&h); ^ user.cpp:17:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&a[i][j]); ^