Compilare: user.cpp: In function ‘void bfs(int)’: user.cpp:80:9: warning: unused variable ‘i’ [-Wunused-variable] int i,j; ^ user.cpp:80:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j; ^ 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("padure.in","r",stdin); ^ user.cpp:97:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("padure.out","w",stdout); ^ user.cpp:99:48: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d%d%d",&n,&m,&pl,&pc,&cl,&cc); ^ user.cpp:102:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&(harta[i][j])); ^