Compilare: user.c: In function ‘main’: user.c:73:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("ferma3.in","r",stdin); ^ user.c:74:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("ferma3.out","w",stdout); ^ user.c:76:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v); ^ user.c:77:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&ls,&cs); ^ user.c:78:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&ch); ^ user.c:82:18: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&map[i][j]); ^ user.c:84:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&ch); ^ user.c:228:31: warning: ‘imax’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(i-1>=0 && mapn[i-1][j]!=imax){ ^ user.c:238:11: warning: ‘culcult’ may be used uninitialized in this function [-Wmaybe-uninitialized] printf("%d %d\n%c",isch+1,jsch+1,culcult); ^