Compilare: main.cpp: In function 'int main()': main.cpp:21:33: warning: array subscript has type 'char' [-Wchar-subscripts] 21 | dp[i-1][i] = cost[s[i-1]][s[i]]; | ^ main.cpp:21:39: warning: array subscript has type 'char' [-Wchar-subscripts] 21 | dp[i-1][i] = cost[s[i-1]][s[i]]; | ^ main.cpp:23:48: warning: array subscript has type 'char' [-Wchar-subscripts] 23 | dp[j][i] = dp[j+1][i-1] + cost[s[j]][s[i]]; | ^ main.cpp:23:54: warning: array subscript has type 'char' [-Wchar-subscripts] 23 | dp[j][i] = dp[j+1][i-1] + cost[s[j]][s[i]]; | ^