Compilare: user.cpp: In function ‘int main()’: user.cpp:22:31: warning: unused variable ‘cont’ [-Wunused-variable] int i,j,ic,jc,icc,jcc,dir,cont,contmax = 0,isol,jsol; ^ user.cpp:19:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pietre2.in","r",stdin); ^ user.cpp:20:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pietre2.out","w",stdout); ^ user.cpp:21:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n",&n); ^ user.cpp:25:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&teren[i][j]); ^ user.cpp:64:53: warning: ‘jsol’ may be used uninitialized in this function [-Wmaybe-uninitialized] printf("%d\n%d %d",contmax - 1,isol + 1,jsol + 1); ^ user.cpp:64:53: warning: ‘isol’ may be used uninitialized in this function [-Wmaybe-uninitialized]