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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#359271 | #8212. Football in Osijek | installb# | WA | 2ms | 12036kb | C++20 | 1.8kb | 2024-03-20 15:38:52 | 2024-03-20 15:38:52 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define M 500005
int A[M],deg[M],n,mark[M];
vector<int>edge[M],son[M];
vector<int>B;
int dif[M],Mx[M];
void solve(int rt){
queue<int>Q,Q2;
vector<int>P;
Q.push(rt),mark[rt]=1;
int s = 0;
while(!Q.empty()){
int now=Q.front();Q.pop();
if(!deg[now])Q2.push(now);s++;
P.push_back(now);
for(int &to:edge[now])
if(!mark[to])Q.push(to),mark[to]=1;
}
while(!Q2.empty()){
int now=Q2.front();Q2.pop();s--;
int p=-1,mx=0;
for(int &to:son[now])
if(Mx[to]>mx)mx=Mx[p=to];
Mx[now] = mx+1;
for(int &to:son[now])if(to!=p)
B.push_back(Mx[to]);
if((--deg[A[now]]) == 0)Q2.push(A[now]);
}
for(int &x:P) if(deg[x]>0){
for(int &to:son[x])if(deg[to]==0)
Mx[x] = max(Mx[x],Mx[to]);
}
int mx = 0,p = -1;
for(int &x:P) if(deg[x]>0){
if(Mx[x] > mx) mx = Mx[p=x];
}
for(int &x:P) if(deg[x]>0){
if(x!=p) B.push_back(Mx[x]);
else B.push_back(Mx[x]+s);
}
dif[s]++;
dif[s + mx + 1]--;
}
int Ans[M];
int main(){
cin>>n;
for(int i=1;i<=n;i++){
scanf("%d",&A[i]),deg[A[i]]++;
son[A[i]].push_back(i);
edge[i].push_back(A[i]);
edge[A[i]].push_back(i);
}
for(int i=1;i<=n;i++)if(!mark[i])solve(i);
for(int i=1;i<=n;i++)dif[i]+=dif[i-1];
sort(B.begin(),B.end());
reverse(B.begin(),B.end());
int s = B[0];
fill(Ans+1,Ans+1+n,-1);
for(int i=1;i<B.size();i++){
for(int j=s+1;j<=s+B[i];j++)Ans[j]=i;
s += B[i];
}
for(int i=1;i<=n;i++)
if(Ans[i]==-1) printf("%d ",dif[i]>0?0:1);
else printf("%d ",Ans[i]);
puts("");
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 2ms
memory: 9992kb
input:
5 2 3 1 3 5
output:
0 1 0 0 1
result:
ok 5 number(s): "0 1 0 0 1"
Test #2:
score: 0
Accepted
time: 2ms
memory: 9932kb
input:
1 1
output:
0
result:
ok 1 number(s): "0"
Test #3:
score: 0
Accepted
time: 2ms
memory: 12032kb
input:
2 2 2
output:
0 0
result:
ok 2 number(s): "0 0"
Test #4:
score: -100
Wrong Answer
time: 2ms
memory: 12036kb
input:
10 4 7 2 8 4 3 4 9 7 3
output:
1 1 1 0 0 0 0 1 2 1
result:
wrong answer 10th numbers differ - expected: '3', found: '1'