Compilare: main.cpp: In function 'void citire()': main.cpp:18:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ main.cpp:23:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&x); ^ main.cpp: In function 'int main()': main.cpp:69:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("muzeu.in","r",stdin); ^ main.cpp:70:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("muzeu.out","w",stdout); ^ main.cpp: In function 'void miu()': main.cpp:57:30: warning: 'j' may be used uninitialized in this function [-Wmaybe-uninitialized] if(v[marlanii[j].linie+directie[i].linie][marlanii[j].coloana+directie[i].coloana]==0) ~~~~~~~~~~~~^~~~~