Compilare: main.c: In function 'main': main.c:6:82: warning: format '%hd' expects argument of type 'short int *', but argument 2 has type 'char *' [-Wformat=] freopen("royfloyd.in","r",stdin),freopen("royfloyd.out","w",stdout),scanf("%hd",&n); ^ main.c:9:27: warning: array subscript has type 'char' [-Wchar-subscripts] scanf("%hd",&d[i][j]); ^ main.c:9:30: warning: array subscript has type 'char' [-Wchar-subscripts] scanf("%hd",&d[i][j]); ^ main.c:13:27: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.c:13:30: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.c:13:36: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.c:13:39: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.c:13:47: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.c:13:50: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.c:13:56: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.c:13:59: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.c:13:64: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.c:13:67: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.c:13:72: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.c:13:75: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.c:14:22: warning: array subscript has type 'char' [-Wchar-subscripts] d[i][j]=d[i][k]+d[k][j]; ^ main.c:14:25: warning: array subscript has type 'char' [-Wchar-subscripts]