Compilare: main.cpp: In function 'void solve()': main.cpp:32:23: warning: array subscript has type 'char' [-Wchar-subscripts] 32 | dp[i][i+1] = c[s[i]][s[i+1]]; | ~~~^ main.cpp:32:31: warning: array subscript has type 'char' [-Wchar-subscripts] 32 | dp[i][i+1] = c[s[i]][s[i+1]]; | ~~~~~^ main.cpp:37:44: warning: array subscript has type 'char' [-Wchar-subscripts] 37 | dp[i][i+l-1] = dp[i+1][i+l-2] + c[s[i]][s[i+l-1]]; | ~~~^ main.cpp:37:54: warning: array subscript has type 'char' [-Wchar-subscripts] 37 | dp[i][i+l-1] = dp[i+1][i+l-2] + c[s[i]][s[i+l-1]]; | ~~~~~~~^