Compilare: user.cpp: In function ‘int main()’: user.cpp:22:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d%d",&a,&b); ^ user.cpp: In function ‘void creare()’: user.cpp:9:20: warning: iteration 44998u invokes undefined behavior [-Waggressive-loop-optimizations] if (!ciur[i]){ ^ user.cpp:8:15: note: containing loop for (i=2;i<=DIM;i++){ ^ user.cpp: In function ‘int main()’: user.cpp:47:17: warning: ‘ok’ may be used uninitialized in this function [-Wmaybe-uninitialized] ok++; ^