Compilare: user.cpp: In function ‘bool isEmpty(int)’: user.cpp:30:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < number1.size(); ++i) ^ user.cpp:40:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < number2.size(); ++i) ^ user.cpp: In function ‘void DivideBy2(int)’: user.cpp:57:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < number1.size(); ++i) ^ user.cpp:67:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < number2.size(); ++i) ^ user.cpp: In function ‘void binaryToInt()’: user.cpp:112:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < final.size(); ++j) ^ user.cpp:114:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j < pow2.size()) ^ user.cpp:129:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < pow2.size(); ++j) ^ user.cpp: In function ‘int main(int, const char**)’: user.cpp:150:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < strlen(buffer); ++i) ^ user.cpp:140:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d\n", &T); ^ user.cpp:149:31: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(buffer, 1024, f); ^