Borderou de evaluare (job #270540)

Compilare: user.cpp: In function ‘int main()’: user.cpp:36:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:37:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:39:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:41:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp: In function ‘int bs(int, int)’: user.cpp:16:1: warning: control reaches end of non-void function [-Wreturn-type] user.cpp: In function ‘int bs1(int)’: user.cpp:31:12: warning: ‘last’ may be used uninitialized in this function [-Wuninitialized] user.cpp: In function ‘int main()’: user.cpp:57:26: warning: ‘last’ may be used uninitialized in this function [-Wuninitialized]