Compilare: user.c:2:1: warning: data definition has no type or storage class [enabled by default] n,k=1,f=1,t,h,q;main(i){freopen("fractii.in","r",stdin);freopen("fractii.out","w",stdout);scanf("%d",&n);for(;k++<n;f+=2*k-t*h+2)for(h=1,t=i=2,q=k;q>1;)q%i?i++,t*=h,h=1:(q/=i,h++);printf("%d",f);} ^ user.c:2:1: warning: type defaults to ‘int’ in declaration of ‘n’ [enabled by default] user.c:2:3: warning: type defaults to ‘int’ in declaration of ‘k’ [enabled by default] n,k=1,f=1,t,h,q;main(i){freopen("fractii.in","r",stdin);freopen("fractii.out","w",stdout);scanf("%d",&n);for(;k++<n;f+=2*k-t*h+2)for(h=1,t=i=2,q=k;q>1;)q%i?i++,t*=h,h=1:(q/=i,h++);printf("%d",f);} ^ user.c:2:7: warning: type defaults to ‘int’ in declaration of ‘f’ [enabled by default] n,k=1,f=1,t,h,q;main(i){freopen("fractii.in","r",stdin);freopen("fractii.out","w",stdout);scanf("%d",&n);for(;k++<n;f+=2*k-t*h+2)for(h=1,t=i=2,q=k;q>1;)q%i?i++,t*=h,h=1:(q/=i,h++);printf("%d",f);} ^ user.c:2:11: warning: type defaults to ‘int’ in declaration of ‘t’ [enabled by default] n,k=1,f=1,t,h,q;main(i){freopen("fractii.in","r",stdin);freopen("fractii.out","w",stdout);scanf("%d",&n);for(;k++<n;f+=2*k-t*h+2)for(h=1,t=i=2,q=k;q>1;)q%i?i++,t*=h,h=1:(q/=i,h++);printf("%d",f);} ^ user.c:2:13: warning: type defaults to ‘int’ in declaration of ‘h’ [enabled by default] n,k=1,f=1,t,h,q;main(i){freopen("fractii.in","r",stdin);freopen("fractii.out","w",stdout);scanf("%d",&n);for(;k++<n;f+=2*k-t*h+2)for(h=1,t=i=2,q=k;q>1;)q%i?i++,t*=h,h=1:(q/=i,h++);printf("%d",f);} ^ user.c:2:15: warning: type defaults to ‘int’ in declaration of ‘q’ [enabled by default] n,k=1,f=1,t,h,q;main(i){freopen("fractii.in","r",stdin);freopen("fractii.out","w",stdout);scanf("%d",&n);for(;k++<n;f+=2*k-t*h+2)for(h=1,t=i=2,q=k;q>1;)q%i?i++,t*=h,h=1:(q/=i,h++);printf("%d",f);} ^ user.c:2:17: warning: return type defaults to ‘int’ [enabled by default] n,k=1,f=1,t,h,q;main(i){freopen("fractii.in","r",stdin);freopen("fractii.out","w",stdout);scanf("%d",&n);for(;k++<n;f+=2*k-t*h+2)for(h=1,t=i=2,q=k;q>1;)q%i?i++,t*=h,h=1:(q/=i,h++);printf("%d",f);} ^ user.c: In function ‘main’: user.c:2:17: warning: type of ‘i’ defaults to ‘int’ [enabled by default] user.c:2:32: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] n,k=1,f=1,t,h,q;main(i){freopen("fractii.in","r",stdin);freopen("fractii.out","w",stdout);scanf("%d",&n);for(;k++<n;f+=2*k-t*h+2)for(h=1,t=i=2,q=k;q>1;)q%i?i++,t*=h,h=1:(q/=i,h++);printf("%d",f);} ^ user.c:2:64: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] n,k=1,f=1,t,h,q;main(i){freopen("fractii.in","r",stdin);freopen("fractii.out","w",stdout);scanf("%d",&n);for(;k++<n;f+=2*k-t*h+2)for(h=1,t=i=2,q=k;q>1;)q%i?i++,t*=h,h=1:(q/=i,h++);printf("%d",f);} ^ user.c:2:96: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] n,k=1,f=1,t,h,q;main(i){freopen("fractii.in","r",stdin);freopen("fractii.out","w",stdout);scanf("%d",&n);for(;k++<n;f+=2*k-t*h+2)for(h=1,t=i=2,q=k;q>1;)q%i?i++,t*=h,h=1:(q/=i,h++);printf("%d",f);} ^