Compilare: user.cpp: In function ‘int main()’: user.cpp:30:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(j+1==t) dp[j][t]=c[s[j-1]][s[t-1]]; ^ user.cpp:30:49: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(j+1==t) dp[j][t]=c[s[j-1]][s[t-1]]; ^ user.cpp:40:73: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(dp[j][t]>dp[j+1][k-1]+dp[k+1][t]+c[s[j-1]][s[t-1]]) ^ user.cpp:40:81: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(dp[j][t]>dp[j+1][k-1]+dp[k+1][t]+c[s[j-1]][s[t-1]]) ^ user.cpp:41:74: warning: array subscript has type ‘char’ [-Wchar-subscripts] dp[j][t]=dp[j+1][k-1]+dp[k+1][t]+c[s[j-1]][s[t-1]]; ^ user.cpp:41:82: warning: array subscript has type ‘char’ [-Wchar-subscripts] dp[j][t]=dp[j+1][k-1]+dp[k+1][t]+c[s[j-1]][s[t-1]]; ^