Compilare: user.cpp: In function ‘int main()’: user.cpp:43: warning: unused variable ‘j’ user.cpp:43: warning: unused variable ‘p3’ user.cpp:48: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:50: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void matrice()’: user.cpp:21: warning: array subscript is above array bounds