Borderou de evaluare (job #238705)

Compilare: user.cpp: In function ‘int main()’: user.cpp:130:31: warning: unused variable ‘j’ [-Wunused-variable] user.cpp:130:41: warning: unused variable ‘cf1’ [-Wunused-variable] user.cpp:130:45: warning: unused variable ‘cf2’ [-Wunused-variable] user.cpp:131:10: warning: unused variable ‘c1’ [-Wunused-variable] user.cpp:131:13: warning: unused variable ‘c2’ [-Wunused-variable] user.cpp:128:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:129:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:132:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:147:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:150:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp: In function ‘int cifra(char)’: user.cpp:40:1: warning: control reaches end of non-void function [-Wreturn-type]