Compilare: user.cpp: In function ‘int main()’: user.cpp:74:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<traps.size();++i) ^ user.cpp:50:15: warning: unused variable ‘dx’ [-Wunused-variable] int x,y,i,dx,dy,step,distance,answer=0; ^ user.cpp:50:18: warning: unused variable ‘dy’ [-Wunused-variable] int x,y,i,dx,dy,step,distance,answer=0; ^ user.cpp:51:10: warning: unused variable ‘enter’ [-Wunused-variable] char enter,direction; ^ user.cpp: In function ‘int GetInt()’: user.cpp:19:48: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(Buf, 1, MaxB, stdin), Ptr = 0; ^ user.cpp:25:48: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(Buf, 1, MaxB, stdin), Ptr = 0; ^ user.cpp: In function ‘char GetChar()’: user.cpp:34:48: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(Buf, 1, MaxB, stdin), Ptr = 0; ^ user.cpp:39:48: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(Buf, 1, MaxB, stdin), Ptr = 0; ^ user.cpp: In function ‘int main()’: user.cpp:48:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zc.in","r",stdin); ^ user.cpp:49:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zc.out","w",stdout); ^ user.cpp:52:28: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(Buf,1,MaxB,stdin); ^