Compilare: user.cpp: In constructor ‘pol::pol(int, int, int, int)’: user.cpp:21:19: warning: ‘pol::jos’ will be initialized after [-Wreorder] int st,dr,sus,jos; ^ user.cpp:21:12: warning: ‘int pol::dr’ [-Wreorder] int st,dr,sus,jos; ^ user.cpp:22:5: warning: when initialized here [-Wreorder] pol(int _sus,int _st,int _jos,int _dr) : sus(_sus), jos(_jos), dr(_dr), st(_st) {}; ^ user.cpp:21:12: warning: ‘pol::dr’ will be initialized after [-Wreorder] int st,dr,sus,jos; ^ user.cpp:21:9: warning: ‘int pol::st’ [-Wreorder] int st,dr,sus,jos; ^ user.cpp:22:5: warning: when initialized here [-Wreorder] pol(int _sus,int _st,int _jos,int _dr) : sus(_sus), jos(_jos), dr(_dr), st(_st) {}; ^ user.cpp: In function ‘int main()’: user.cpp:96:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("camere.in","r",stdin); ^ user.cpp:98:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d\n",&n,&m); ^ user.cpp:100:33: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(a[i]+1,2002,stdin); ^ user.cpp:125:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&q); ^ user.cpp:130:42: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d",&x1,&y1,&x2,&y2); ^