Compilare: user.cpp: In function ‘void dfs(char)’: user.cpp:16:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] vis[node] = true; ^ user.cpp:17:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] dp_count[node] = 1; ^ user.cpp:19:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (edge[node][it] && !vis[it]) { ^ user.cpp:19:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (edge[node][it] && !vis[it]) { ^ user.cpp:19:38: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (edge[node][it] && !vis[it]) { ^ user.cpp:22:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (dp[it] + 1 > dp[node]) ^ user.cpp:22:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (dp[it] + 1 > dp[node]) ^ user.cpp:23:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] dp[node] = dp[it] + 1, dp_count[node] = dp_count[it]; ^ user.cpp:23:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] dp[node] = dp[it] + 1, dp_count[node] = dp_count[it]; ^ user.cpp:23:53: warning: array subscript has type ‘char’ [-Wchar-subscripts] dp[node] = dp[it] + 1, dp_count[node] = dp_count[it]; ^ user.cpp:23:68: warning: array subscript has type ‘char’ [-Wchar-subscripts] dp[node] = dp[it] + 1, dp_count[node] = dp_count[it]; ^ user.cpp:24:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] else if (dp[it] + 1 == dp[node]) ^ user.cpp:24:43: warning: array subscript has type ‘char’ [-Wchar-subscripts] else if (dp[it] + 1 == dp[node]) ^ user.cpp:25:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] dp_count[node] += dp_count[it]; ^ user.cpp:25:46: warning: array subscript has type ‘char’ [-Wchar-subscripts] dp_count[node] += dp_count[it]; ^ user.cpp:29:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (edge[node][it] && !vis[it]) { ^ user.cpp:29:26: warning: array subscript has type ‘char’ [-Wchar-subscripts]