Compilare: user.cpp: In function ‘int main()’: user.cpp:144:59: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(C[i] == 0 && a.size() == b.size() && n - i == a.size()) ^ user.cpp:210:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(n - i == b.size()) B[i] = 1; ^ user.cpp:226:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(n - i == a.size()) A[i] = 1; ^ user.cpp:317:25: warning: statement has no effect [-Wunused-value] print(i); ^ user.cpp:318:28: warning: statement has no effect [-Wunused-value] print(A[i]); ^ user.cpp:319:28: warning: statement has no effect [-Wunused-value] print(B[i]); ^ user.cpp:320:32: warning: statement has no effect [-Wunused-value] print(A[i + 1]); ^ user.cpp:321:32: warning: statement has no effect [-Wunused-value] print(B[i + 1]); ^ user.cpp:322:32: warning: statement has no effect [-Wunused-value] print(C[i + 1]); ^ user.cpp:323:38: warning: statement has no effect [-Wunused-value] print(fixed_A[i + 1]); ^ user.cpp:324:38: warning: statement has no effect [-Wunused-value] print(fixed_B[i + 1]); ^ user.cpp:325:38: warning: statement has no effect [-Wunused-value] print(fixed_C[i + 1]); ^ user.cpp:326:34: warning: statement has no effect [-Wunused-value] print(fixed_A[i]); ^ user.cpp:327:34: warning: statement has no effect [-Wunused-value] print(fixed_B[i]); ^ user.cpp:328:34: warning: statement has no effect [-Wunused-value] print(fixed_C[i]); ^ user.cpp:329:34: warning: statement has no effect [-Wunused-value] print(has[i + 1]); ^ user.cpp:330:32: warning: statement has no effect [-Wunused-value]