Compilare: user.c: In function ‘main’: user.c:3:20: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] int main() { fscanf(fopen("noroc.in","r"),"%Lf%Lf",&x,&m),fprintf(fopen("noroc.out","w"),"%.7Lf",x<m?(1-(x/m)):0); } ^