#include #include #include #include typedef std::tuple P; const int INF = 252521; int dr[100001], dl[100001]; std::vector G[100001]; void computeDistance(int (&d)[100001], std::vector initialPoss){ std::queue

queue; for(int v : initialPoss){ queue.push(std::make_tuple(v, 0)); d[v] = 0; } while(!queue.empty()){ int u, c; std::tie(u, c) = queue.front(); queue.pop(); if(d[u] < c){continue;} for(int v : G[u]){ if(d[v] > d[u] + 1){ d[v] = d[u] + 1; queue.push(std::make_tuple(v, d[v])); } } } } int main(){ int N; scanf("%d", &N); std::fill(dr, dr+N+1, INF); std::fill(dl, dl+N+1, INF); for(int i=0;i leaves; for(int i=1;i<=N;i++){ bool isLeaf = true; for(int u : G[i]){ if(dr[u] > dr[i]){ isLeaf = false; } } if(isLeaf){leaves.push_back(i);} } computeDistance(dl, leaves); for(int i=1;i<=N;i++){ printf("%d\n", std::min(dr[i], dl[i])); } }