Compilare: main.c: In function 'coarde_cerc': main.c:25:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^~~~~~~~~~~~~~~~~ main.c:31:9: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^~~~~~~~~~~~~~~~~ main.c:11:9: warning: iteration 997 invokes undefined behavior [-Waggressive-loop-optimizations] if(v[n]!=0) ~^~~ main.c:26:5: note: within this loop for(int i=4;i<=1002;i++) ^~~