Compilare: user.cpp: In function ‘int main()’: user.cpp:16: warning: unused variable ‘x’ user.cpp:17: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:18: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, 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:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:16: warning: ‘stand’ may be used uninitialized in this function user.cpp:16: warning: ‘sol1’ may be used uninitialized in this function user.cpp:16: warning: ‘sol2’ may be used uninitialized in this function user.cpp:16: warning: ‘soc2’ may be used uninitialized in this function user.cpp:16: warning: ‘soc1’ may be used uninitialized in this function