Compilare: main.cpp: In function 'int main()': main.cpp:25:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &querys) ; ^ main.cpp:27:71: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d %d %d %d %d %d %lf", &a, &b, &c, &d, &e, &f, &rez) ; ^