Borderou de evaluare (job #74954)

Compilare: user.cpp: In function ‘bool lenca(char*, char*)’: user.cpp:23:21: warning: unused variable ‘lenb’ [-Wunused-variable] user.cpp: In function ‘int main()’: user.cpp:38:33: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[20]’ [-Wformat] user.cpp:34:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:35:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:38:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]