Compilare: main.cpp: In function 'int main()': main.cpp:32:30: warning: array subscript has type 'char' [-Wchar-subscripts] 32 | dp[i][i + 1] = c[s[i]][s[i + 1]]; | ^ main.cpp:32:40: warning: array subscript has type 'char' [-Wchar-subscripts] 32 | dp[i][i + 1] = c[s[i]][s[i + 1]]; | ^ main.cpp:36:49: warning: array subscript has type 'char' [-Wchar-subscripts] 36 | dp[j][i] = dp[j + 1][i - 1] + c[s[j]][s[i]]; | ^ main.cpp:36:55: warning: array subscript has type 'char' [-Wchar-subscripts] 36 | dp[j][i] = dp[j + 1][i - 1] + c[s[j]][s[i]]; | ^