Compilare: user.cpp: In function ‘int main()’: user.cpp:53:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(c2.size() && a[x][y]==a[c2.front().first][c2.front().second]) ^ user.cpp:53:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(c2.size() && a[x][y]==a[c2.front().first][c2.front().second]) ^ user.cpp:53:54: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(c2.size() && a[x][y]==a[c2.front().first][c2.front().second]) ^ user.cpp:53:73: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(c2.size() && a[x][y]==a[c2.front().first][c2.front().second]) ^ user.cpp:59:42: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(este(xn,yn) && !b[xn][yn]) ^ user.cpp:59:46: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(este(xn,yn) && !b[xn][yn]) ^ user.cpp:62:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[xn][yn]=1; ^ user.cpp:62:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[xn][yn]=1; ^ user.cpp:63:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[x][y]==a[xn][yn]){ ^ user.cpp:63:31: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[x][y]==a[xn][yn]){ ^ user.cpp:63:38: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[x][y]==a[xn][yn]){ ^ user.cpp:63:42: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[x][y]==a[xn][yn]){ ^ user.cpp:66:76: warning: array subscript has type ‘char’ [-Wchar-subscripts] c2.push(make_pair(xn,yn)); c[xn][yn]=1; ^ user.cpp:66:80: warning: array subscript has type ‘char’ [-Wchar-subscripts] c2.push(make_pair(xn,yn)); c[xn][yn]=1; ^ user.cpp:67:49: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[xn][yn]=d[c2.front().first][c2.front().second]; ^ user.cpp:67:53: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[xn][yn]=d[c2.front().first][c2.front().second]; ^ user.cpp:67:73: warning: array subscript has type ‘char’ [-Wchar-subscripts]