ll@n,@x[n],@a[n]; mapm; rep(i,n){ m[x[i]]=~i; } int ea[2n],eb[2n],en=0; rep(i,n){ long j; if(j=m[x[i]-a[i]]){ ea[en]=i; eb[en]=~j; ++en; } if(j=m[x[i]+a[i]]){ ea[en]=i; eb[en]=~j; ++en; } } graph g; g.setDirectEdge(n,en,ea,eb); int s[n]; graph g2=g.reduce(g.scc(s),s); vectorv[n]; rep(i,n){ v[s[i]].push_back(i); } ll z[n]; rrep(j,g2.N){ z[j]=0; for(ll i:v[j]){ z[j]>?=x[i]+a[i]; } rep[g2.edge[j]](k,g2.es[j]){ z[j]>?=z[k]; } } rep(i,n){ wt(z[s[i]]-x[i]); }