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:251:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(n - i == b.size()) B[i] = 1; ^ user.cpp:267:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(n - i == a.size()) A[i] = 1; ^ user.cpp:399:25: warning: statement has no effect [-Wunused-value] print(i); ^ user.cpp:400:28: warning: statement has no effect [-Wunused-value] print(A[i]); ^ user.cpp:401:28: warning: statement has no effect [-Wunused-value] print(B[i]); ^ user.cpp:402:32: warning: statement has no effect [-Wunused-value] print(A[i + 1]); ^ user.cpp:403:32: warning: statement has no effect [-Wunused-value] print(B[i + 1]); ^ user.cpp:404:32: warning: statement has no effect [-Wunused-value] print(C[i + 1]); ^ user.cpp:405:38: warning: statement has no effect [-Wunused-value] print(fixed_A[i + 1]); ^ user.cpp:406:38: warning: statement has no effect [-Wunused-value] print(fixed_B[i + 1]); ^ user.cpp:407:38: warning: statement has no effect [-Wunused-value] print(fixed_C[i + 1]); ^ user.cpp:408:34: warning: statement has no effect [-Wunused-value] print(fixed_A[i]); ^ user.cpp:409:34: warning: statement has no effect [-Wunused-value] print(fixed_B[i]); ^ user.cpp:410:34: warning: statement has no effect [-Wunused-value] print(fixed_C[i]); ^ user.cpp:411:34: warning: statement has no effect [-Wunused-value] print(has[i + 1]); ^ user.cpp:412:32: warning: statement has no effect [-Wunused-value]