'Id find' presentation slideshows

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????. 1. ???. ????????. ??. ?????? ??????????????. if(find(now[x])==find(now[y]))continue; id=find(now[x]); cnt[id]--; sum[id]-=x; now[x]=++n; set[n]=n; cnt[n]=1; sum[n]=x; U(now[x],now[y]);. ??. ??????????????????. for(int i=0; i<n; i++) { int y; scanf("%d",&y);

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