Borderou de evaluare (job #70724)

Compilare: user.cpp: In function ‘int main()’: user.cpp:135:9: warning: unused variable ‘tx’ [-Wunused-variable] user.cpp:135:13: warning: unused variable ‘ty’ [-Wunused-variable] user.cpp:135:38: warning: unused variable ‘k’ [-Wunused-variable] user.cpp:133:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:134:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:137:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:161:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp: In member function ‘void EDGE::read()’: user.cpp:35:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]