Compilare: user.cpp: In function ‘int main()’: user.cpp:164:59: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(C[i] == 0 && a.size() == b.size() && n - i == a.size()) ^ user.cpp:232:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(n - i == b.size()) B[i] = 1; ^ user.cpp:248:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(n - i == a.size()) A[i] = 1; ^ user.cpp:339:25: warning: statement has no effect [-Wunused-value] print(i); ^ user.cpp:340:28: warning: statement has no effect [-Wunused-value] print(A[i]); ^ user.cpp:341:28: warning: statement has no effect [-Wunused-value] print(B[i]); ^ user.cpp:342:32: warning: statement has no effect [-Wunused-value] print(A[i + 1]); ^ user.cpp:343:32: warning: statement has no effect [-Wunused-value] print(B[i + 1]); ^ user.cpp:344:32: warning: statement has no effect [-Wunused-value] print(C[i + 1]); ^ user.cpp:345:38: warning: statement has no effect [-Wunused-value] print(fixed_A[i + 1]); ^ user.cpp:346:38: warning: statement has no effect [-Wunused-value] print(fixed_B[i + 1]); ^ user.cpp:347:38: warning: statement has no effect [-Wunused-value] print(fixed_C[i + 1]); ^ user.cpp:348:34: warning: statement has no effect [-Wunused-value] print(fixed_A[i]); ^ user.cpp:349:34: warning: statement has no effect [-Wunused-value] print(fixed_B[i]); ^ user.cpp:350:34: warning: statement has no effect [-Wunused-value] print(fixed_C[i]); ^ user.cpp:351:34: warning: statement has no effect [-Wunused-value] print(has[i + 1]); ^ user.cpp:352:32: warning: statement has no effect [-Wunused-value]