Compilare: user.cpp: In function ‘int main()’: user.cpp:15: warning: format ‘%d’ expects type ‘int*’, but argument 2 has type ‘long int*’ user.cpp:19: warning: format ‘%d’ expects type ‘int*’, but argument 2 has type ‘long int*’ user.cpp:124: warning: format ‘%d’ expects type ‘int’, but argument 2 has type ‘long int’ user.cpp:124: warning: format ‘%d’ expects type ‘int’, but argument 3 has type ‘long int’ user.cpp:124: warning: format ‘%d’ expects type ‘int’, but argument 4 has type ‘long int’ user.cpp:136: warning: format ‘%d’ expects type ‘int’, but argument 2 has type ‘long int’ user.cpp:16: warning: unused variable ‘w’ user.cpp:64: warning: unused variable ‘s’ user.cpp:12: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:13: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:87: warning: ‘contor’ may be used uninitialized in this function