Compilare: main.cpp: In function 'int main(int, const char**)': main.cpp:88:24: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long long int' [-Wformat=] fprintf(out, "%d", ans) ; ^ main.cpp:67:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d\n", &query) ; ^ main.cpp:75:37: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d %d %d", &a, &b, &E) ; ^ main.cpp: In function 'void getCoef()': main.cpp:37:8: warning: 'sgn' may be used uninitialized in this function [-Wmaybe-uninitialized] value *= sgn ; ~~~~~~^~~~~~