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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 |
---|---|---|---|---|---|---|---|---|---|
#627969 | #8237. Sugar Sweet II | Albert711 | WA | 2ms | 7516kb | C++20 | 1.8kb | 2024-10-10 17:54:17 | 2024-10-10 17:54:17 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ll long long
#define db double
const int mod=1e9+7;
const int N=5e5+5;
int inv[N];
int fp(int ba,int pow){
int r=1;
while(pow){
if(pow&1) r=r*ba%mod;
ba=ba*ba%mod;
pow>>=1;
}
return r;
}
vector<int> a;
vector<int> ans;
vector<int> b;
vector<int> w;
vector<int> in;
vector<vector<int> > ed;
void abt(){
int n;
cin>>n;
ed=vector<vector<int> > (n+1);
a=vector<int> (n+1);
ans=vector<int> (n+1);
b=vector<int> (n+1);
w=vector<int> (n+1);
in=vector<int> (n+1);
for(int i=1;i<=n;i++) cin>>a[i];
for(int i=1;i<=n;i++) cin>>b[i];
for(int i=1;i<=n;i++) cin>>w[i];
for(int i=1;i<=n;i++){
if(b[i]==i) continue;
if(a[b[i]]>a[i]){
ans[i]=(a[i]+w[i])%mod;
}else if(a[b[i]]+w[b[i]]<=a[i]){
ans[i]=a[i];
}else{
in[i]++;
ed[b[i]].push_back(i);
}
}
queue<pair<int,int>> q;
for(int i=1;i<=n;i++){
if(in[i]==0) q.push({i,1});
}
while(!q.empty()){
auto now=q.front();
q.pop();
for(auto i:ed[now.first]){
ans[i]=(a[i]+w[i]*inv[now.second+1]%mod)%mod;
if(--in[i]==0){
q.push({i,now.second+1});
}
}
}
for(int i=1;i<=n;i++){
cout<<ans[i]<<" \n"[i==n];
}
}
signed main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);cout.tie(nullptr);
int tmp=1;
for(int i=1;i<=500000;i++){
tmp=tmp*i%mod;
}
tmp=fp(tmp,mod-2);
for(int i=500000;i>=1;i--){
inv[i]=tmp;
tmp=tmp*i%mod;
}
int T=1;
cin>>T;
while(T--) abt();
return 0;
}
詳細信息
Test #1:
score: 0
Wrong Answer
time: 2ms
memory: 7516kb
input:
4 4 2 5 5 2 4 2 1 3 3 2 1 4 3 5 4 3 1 1 1 6 6 6 3 5 4 3 2 3 1 1 2 3 5 2 1 3 2 1 5 1 1 3 4 1 3 4 2 4
output:
500000007 0 5 6 0 10 9 166666673 5 6 500000006 4 3 4 5
result:
wrong answer 2nd numbers differ - expected: '5', found: '0'