Compilare: main.cpp: In function 'int main()': main.cpp:53:20: warning: narrowing conversion of 'xi' from 'int' to 'short int' inside { } [-Wnarrowing] q.push({xi, yi}); ^ main.cpp:53:20: warning: narrowing conversion of 'yi' from 'int' to 'short int' inside { } [-Wnarrowing] main.cpp:61:58: warning: array subscript has type 'char' [-Wchar-subscripts] if(cost[xn][yn]<=cost[xx][yy]+inm[ a[xx][yy] ][ a[xn][yn] ]) continue; ^ main.cpp:61:71: warning: array subscript has type 'char' [-Wchar-subscripts] if(cost[xn][yn]<=cost[xx][yy]+inm[ a[xx][yy] ][ a[xn][yn] ]) continue; ^ main.cpp:62:54: warning: array subscript has type 'char' [-Wchar-subscripts] cost[xn][yn]=cost[xx][yy]+inm[ a[xx][yy] ][ a[xn][yn] ]; ^ main.cpp:62:67: warning: array subscript has type 'char' [-Wchar-subscripts] cost[xn][yn]=cost[xx][yy]+inm[ a[xx][yy] ][ a[xn][yn] ]; ^