Eroare de compilare: main.cpp: In function 'void rezolva(int, int, int)': main.cpp:78:31: warning: self-comparison always evaluates to true [-Wtautological-compare] if (aa[qr[i].index].u == aa[qr[i].index].u) { ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'InParser& InParser::operator>>(char&)': main.cpp:161:34: error: 'isdigit' was not declared in this scope while (!isdigit(c = read_ch()) && c != '-'); ^ main.cpp: In member function 'InParser& InParser::operator>>(int&)': main.cpp:167:34: error: 'isdigit' was not declared in this scope while (!isdigit(c = read_ch()) && c != '-'); ^ main.cpp:175:33: error: 'isdigit' was not declared in this scope while (isdigit(c = read_ch())) { ^ main.cpp: In member function 'InParser& InParser::operator>>(long long int&)': main.cpp:185:34: error: 'isdigit' was not declared in this scope while (!isdigit(c = read_ch()) && c != '-'); ^ main.cpp:193:33: error: 'isdigit' was not declared in this scope while (isdigit(c = read_ch())) { ^ main.cpp: In function 'int main()': main.cpp:203:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("termite.out", "w", stdout); ^ Non zero exit status: 1