Compilare: main.cpp: In function 'int main()': main.cpp:69:11: warning: unused variable 'cur' [-Wunused-variable] int cur = 0; ^~~ main.cpp:39:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("rebus.in", "r", stdin); ^ main.cpp:40:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("rebus.out", "w", stdout); ^