Compilare: user.cpp: In function ‘int getD(int, int, bool)’: user.cpp:23:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < A[x].size(); i++) { ^ user.cpp:31:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < A[x].size(); i++) { ^ user.cpp: In function ‘void getFixed(int, int)’: user.cpp:48:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < A[x].size(); i++) { ^ user.cpp: In function ‘int main()’: user.cpp:72:15: warning: unused variable ‘j’ [-Wunused-variable] int n, i, j, x, y, ans1, ans2; ^