Compilare: user.cpp:6:36: warning: narrowing conversion of ‘-1’ from ‘int’ to ‘unsigned char’ inside { } [-Wnarrowing] unsigned char dx[7]={0,0,0,-1,1,0,0},dy[7]={0,1,-1,0,0,0.0},dz[7]={0,0,0,0,0,1,-1}; ^ user.cpp:6:59: warning: narrowing conversion of ‘-1’ from ‘int’ to ‘unsigned char’ inside { } [-Wnarrowing] unsigned char dx[7]={0,0,0,-1,1,0,0},dy[7]={0,1,-1,0,0,0.0},dz[7]={0,0,0,0,0,1,-1}; ^ user.cpp:6:59: warning: narrowing conversion of ‘0.0’ from ‘double’ to ‘unsigned char’ inside { } [-Wnarrowing] user.cpp:6:82: warning: narrowing conversion of ‘-1’ from ‘int’ to ‘unsigned char’ inside { } [-Wnarrowing] unsigned char dx[7]={0,0,0,-1,1,0,0},dy[7]={0,1,-1,0,0,0.0},dz[7]={0,0,0,0,0,1,-1}; ^ user.cpp: In function ‘int main()’: user.cpp:11:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("traseu3.in","r",stdin); ^ user.cpp:12:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ user.cpp:13:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d" "%d" "%d",&x,&y,&z); ^ user.cpp:18:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d" "%d" "%d",&xf,&yf,&zf); ^ user.cpp:23:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&x,&y,&z); ^