Compilare: user.cpp: In function ‘int main()’: user.cpp:31:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(i+1==j) dp[i][j]=c[s[i-1]][s[j-1]]; ^ user.cpp:31:49: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(i+1==j) dp[i][j]=c[s[i-1]][s[j-1]]; ^ user.cpp:41:69: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(dp[i][j]>dp[i][k-1]+dp[k+1][j-1]+c[s[k-1]][s[j-1]]) ^ user.cpp:41:77: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(dp[i][j]>dp[i][k-1]+dp[k+1][j-1]+c[s[k-1]][s[j-1]]) ^ user.cpp:42:70: warning: array subscript has type ‘char’ [-Wchar-subscripts] dp[i][j]=dp[i][k-1]+dp[k+1][j-1]+c[s[k-1]][s[j-1]]; ^ user.cpp:42:78: warning: array subscript has type ‘char’ [-Wchar-subscripts] dp[i][j]=dp[i][k-1]+dp[k+1][j-1]+c[s[k-1]][s[j-1]]; ^