Compilare: user.cpp: In function ‘int main()’: user.cpp:130:32: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 3 has type ‘int’ [-Wformat=] } fprintf(g,"%ld\n",PD[0]); ^ user.cpp:123:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d\n",&N,&B,&K); ^ user.cpp:127:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&x); ^