Compilare: user.cpp: In function ‘void read()’: user.cpp:16: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:19: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:21: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void reconstituire()’: user.cpp:65: warning: unused variable ‘maxim’ user.cpp: In function ‘int main()’: user.cpp:93: warning: format ‘%ld’ expects type ‘long int’, but argument 3 has type ‘int’