Compilare: main.c: In function 'main': main.c:26:5: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result] fgets(s,100000,fopen("evaluare.in","r")); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c: In function 'E': main.c:20:22: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] i++,y=x*E(l+1); ~^~~~~~~~~