Compilare: main.c: In function 'unite': main.c:14:11: warning: implicit declaration of function 'find' [-Wimplicit-function-declaration] lungime[find(y)]+=lungime[find(x)]; ///transfera marimea lui sefului celalalt ^~~~ main.c: In function 'main': main.c:33:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^~~~~~~~~~~~~~~~~~~ main.c:35:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&l,&c); ^~~~~~~~~~~~~~~~~~~~~~~~