Compilare: user.cpp: In function ‘void citire()’: user.cpp:30:10: warning: unused variable ‘x’ [-Wunused-variable] char x; ^ user.cpp: In function ‘void testDragon()’: user.cpp:69:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < dragon.size(); i++) ^ user.cpp: In function ‘void handleDragons()’: user.cpp:114:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < dragon.size(); i++) ^ user.cpp: In function ‘void citire()’: user.cpp:29:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d\n",&R,&C); ^ user.cpp:37:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&map[ i ][ j ]); ^ user.cpp:53:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("\n"); ^ user.cpp: In function ‘int main()’: user.cpp:176:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("barbar.in","r",stdin); ^ user.cpp:177:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("barbar.out","w",stdout); ^