Compilare: main.c: In function 'sink': main.c:10:7: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(f<n && a[f]<a[f+1]) ^~ main.c:12:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' if(a[f]>a[k]) ^~ main.c: At top level: main.c:26:6: warning: return type of 'main' is not 'int' [-Wmain] void main() ^~~~ main.c: In function 'main': main.c:35:4: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^~~~~~~~~~~~~~~~~ main.c:38:7: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",a+i); ^~~~~~~~~~~~~~~~~~