Compilare: user.cpp: In function ‘cell give(int, int, int)’: user.cpp:26:24: warning: narrowing conversion of ‘f’ from ‘int’ to ‘char’ inside { } [-Wnarrowing] return (cell){f, l, c}; ^ user.cpp:26:24: warning: narrowing conversion of ‘l’ from ‘int’ to ‘char’ inside { } [-Wnarrowing] user.cpp:26:24: warning: narrowing conversion of ‘c’ from ‘int’ to ‘char’ inside { } [-Wnarrowing] user.cpp: In function ‘void enqueue(cell, int)’: user.cpp:113:14: warning: array subscript has type ‘char’ [-Wchar-subscripts] dist[curr.f][curr.l][curr.c] = cost; ^ user.cpp:113:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] dist[curr.f][curr.l][curr.c] = cost; ^ user.cpp:113:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] dist[curr.f][curr.l][curr.c] = cost; ^ user.cpp: In function ‘void dequeue(cell*, int*)’: user.cpp:119:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] (*cost) = dist[curr -> f][curr -> l][curr -> c] + 1; ^ user.cpp:119:38: warning: array subscript has type ‘char’ [-Wchar-subscripts] (*cost) = dist[curr -> f][curr -> l][curr -> c] + 1; ^ user.cpp:119:49: warning: array subscript has type ‘char’ [-Wchar-subscripts] (*cost) = dist[curr -> f][curr -> l][curr -> c] + 1; ^ user.cpp: In function ‘void lee(cell)’: user.cpp:129:43: warning: array subscript has type ‘char’ [-Wchar-subscripts] while ((!q.empty()) && (dist[q.front().f][q.front().l][q.front().c] <= save)) { ^ user.cpp:129:56: warning: array subscript has type ‘char’ [-Wchar-subscripts] while ((!q.empty()) && (dist[q.front().f][q.front().l][q.front().c] <= save)) { ^ user.cpp:129:69: warning: array subscript has type ‘char’ [-Wchar-subscripts] while ((!q.empty()) && (dist[q.front().f][q.front().l][q.front().c] <= save)) { ^ user.cpp:134:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (dist[next.f][next.l][next.c] == HOLE) { ^ user.cpp:134:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (dist[next.f][next.l][next.c] == HOLE) { ^ user.cpp:134:38: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (dist[next.f][next.l][next.c] == HOLE) { ^ user.cpp:141:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] } else if (dist[next.f][next.l][next.c] == code[0]) { ^ user.cpp:141:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] } else if (dist[next.f][next.l][next.c] == code[0]) {