Compilare: user.cpp: In function ‘void adunare(int)’: user.cpp:29:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,m,t=0; ^ user.cpp: In function ‘void afisare(int)’: user.cpp:49:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j; ^ user.cpp: In function ‘int main()’: user.cpp:58:9: warning: unused variable ‘i’ [-Wunused-variable] int i,j; ^ user.cpp:58:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j; ^ user.cpp:60:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^