Compilare: user.cpp: In function ‘void rezolva()’: user.cpp:59:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i<cuv.size(); ++i){ ^ user.cpp:64:50: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int ch_st = 0; ch_st<st.size(); ++ch_st){ ^ user.cpp: In function ‘void precalculeaza()’: user.cpp:87:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i<cuv.size(); ++i){ ^ user.cpp:90:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] dp[i][j][let] = -1; ^ user.cpp:91:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(!dp[i][j+1][let]) ^ user.cpp:92:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] dp[i][j+1][let] = -1; ^ user.cpp:94:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] dp[i][j][let] = j; ^ user.cpp:95:45: warning: array subscript has type ‘char’ [-Wchar-subscripts] } else if(dp[i][j+1][let] != 0) ^ user.cpp:96:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] dp[i][j][let] = dp[i][j+1][let]; ^ user.cpp:96:55: warning: array subscript has type ‘char’ [-Wchar-subscripts] dp[i][j][let] = dp[i][j+1][let]; ^