Borderou de evaluare (job #142235)

Compilare: user.cpp: In function ‘int main()’: user.cpp:41:13: warning: unused variable ‘x’ [-Wunused-variable] user.cpp:41:61: warning: unused variable ‘o’ [-Wunused-variable] user.cpp:38:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:39:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:43:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:43:42: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:45:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:70:21: warning: ‘poz_2’ may be used uninitialized in this function [-Wuninitialized] user.cpp:76:31: warning: ‘poz_1’ may be used uninitialized in this function [-Wuninitialized] user.cpp:81:13: warning: ‘n’ may be used uninitialized in this function [-Wuninitialized]