Borderou de evaluare (job #365333)

Compilare: user.cpp: In function ‘int main()’: user.cpp:23:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:24:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:25:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:30:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:36:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:84:32: warning: ‘s2’ may be used uninitialized in this function [-Wuninitialized] user.cpp:84:32: warning: ‘s1’ may be used uninitialized in this function [-Wuninitialized] user.cpp:69:22: warning: ‘nrr’ may be used uninitialized in this function [-Wuninitialized] user.cpp:60:20: warning: ‘num’ may be used uninitialized in this function [-Wuninitialized] user.cpp:19:5: warning: ‘nr’ may be used uninitialized in this function [-Wuninitialized]