Compilare: user.cpp: In function ‘void constr(int (*)[50], int&, int&)’: user.cpp:10: warning: format ‘%d’ expects type ‘int*’, but argument 2 has type ‘int’ user.cpp:10: warning: format ‘%d’ expects type ‘int*’, but argument 3 has type ‘int’ user.cpp:6: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:7: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:8: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:10: warning: ‘i’ is used uninitialized in this function user.cpp:10: warning: ‘j’ is used uninitialized in this function