Compilare: user.cpp: In function ‘int main()’: user.cpp:82:33: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 3 has type ‘int’ [-Wformat=] fprintf(pF,"%ld \n",0); ^ user.cpp:48:5: warning: unused variable ‘i’ [-Wunused-variable] int i; ^ user.cpp:49:5: warning: unused variable ‘mn’ [-Wunused-variable] int mn,k,man,j; ^ user.cpp:49:8: warning: unused variable ‘k’ [-Wunused-variable] int mn,k,man,j; ^ user.cpp:49:10: warning: unused variable ‘man’ [-Wunused-variable] int mn,k,man,j; ^ user.cpp:49:14: warning: unused variable ‘j’ [-Wunused-variable] int mn,k,man,j; ^ user.cpp:50:5: warning: unused variable ‘nmx’ [-Wunused-variable] int nmx=10000; ^ user.cpp:31:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFile,"%d",&n); ^ user.cpp:35:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFile,"%d",&nr[i][1]); ^ user.cpp:36:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFile,"%d",&nr[i][2]); ^