Compilare: user.cpp: In function ‘int main()’: user.cpp:48:14: warning: unused variable ‘rez’ [-Wunused-variable] int i,j,t,rez,pas,n,con,l,c; ^ user.cpp:48:18: warning: unused variable ‘pas’ [-Wunused-variable] int i,j,t,rez,pas,n,con,l,c; ^ user.cpp:51:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d " ,&t); ^ user.cpp:54:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d " ,&n); ^