Borderou de evaluare (job #256761)

Compilare: user.cpp: In function ‘int main()’: user.cpp:50:10: warning: unused variable ‘m’ [-Wunused-variable] user.cpp:50:19: warning: unused variable ‘x’ [-Wunused-variable] user.cpp:50:22: warning: unused variable ‘y’ [-Wunused-variable] user.cpp:48:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:49:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp: In function ‘char nextch()’: user.cpp:17:35: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]