1 #include <bits/stdc++.h> 2 #define _for(i,a,b) for(int i = (a);i < b;i ++) 3 #define _rep(i,a,b) for(int i = (a);i > b;i --) 4 #define INF 0x3f3f3f3f 5 #define pb push_back 6 typedef long long ll; 7 using namespace std; 8 inline ll read() 9 { 10 ll ans = 0; 11 char ch = getchar(), last = ' '; 12 while(!isdigit(ch)) last = ch, ch = getchar(); 13 while(isdigit(ch)) ans = (ans << 1) + (ans << 3) + ch - '0', ch = getchar(); 14 if(last == '-') ans = -ans; 15 return ans; 16 } 17 inline void write(ll x) 18 { 19 if(x < 0) x = -x, putchar('-'); 20 if(x >= 10) write(x / 10); 21 putchar(x % 10 + '0'); 22 } 23 24 int N; 25 int ms[100003]; 26 int G[100003]; 27 int vis[100003]; 28 int tmp[100003]; 29 int passpoint; 30 int flag = 0; 31 int dfs(int nw,int len) 32 { 33 if(ms[nw]) 34 { 35 flag = 1; 36 return ms[nw]+1; 37 } 38 if(vis[nw]==-1) 39 { 40 passpoint = nw; 41 ms[nw] = len-tmp[nw]; 42 return len-tmp[nw]; 43 } 44 tmp[nw] = len; 45 vis[nw] = -1; 46 ms[nw] = dfs(G[nw],len+1); 47 if(flag) 48 return ms[nw]+1; 49 tmp[nw] = 0; 50 if(passpoint==nw) 51 { 52 flag = 1; 53 return ms[nw]+1; 54 } 55 return ms[nw]; 56 } 57 int main() 58 { 59 N = read(); 60 _for(i,1,N+1) 61 G[i] = read(); 62 _for(i,1,N+1) 63 if(!ms[i]) 64 { 65 flag = 0; 66 passpoint = -1; 67 dfs(i,0); 68 } 69 70 _for(i,1,N+1) 71 printf("%d ",ms[i]); 72 73 return 0; 74 }