Compilare: main.cpp: In function 'int main()': main.cpp:84:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("pirati.in","r",stdin); ^ main.cpp:85:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("pirati.out","w",stdout); ^ main.cpp: In function 'void citire()': main.cpp:24:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%hd%hd%hd\n",&n,&m,&q); ^ main.cpp:27:23: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fgets(c+1,N-1,stdin); ^ main.cpp: In function 'void rezolva()': main.cpp:42:57: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%hd%hd%hd%hd",&now.fs,&now.sc,&targ.fs,&targ.sc); ^