Compilare: user.cpp: In function ‘int main()’: user.cpp:300:42: warning: use of ‘ll’ length modifier with ‘f’ type character [-Wformat=] fprintf(stdout, "%.3llf\n", answer[i]); ^ user.cpp: In function ‘char getChar(FILE*)’: user.cpp:127:32: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, MAX_BUFF, f); ^ user.cpp: In function ‘int main()’: user.cpp:298:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("trenuri2.out", "w", stdout); ^