QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#657929 | #8237. Sugar Sweet II | shinonomezhou | WA | 126ms | 17196kb | C++23 | 1.2kb | 2024-10-19 15:47:35 | 2024-10-19 15:47:36 |
Judging History
This is the latest submission verdict.
- [2024-11-04 16:59:03]
- hack成功,自动添加数据
- (/hack/1109)
- [2024-10-19 15:47:35]
- Submitted
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll mod=1e9+7,N=5e5+2e2;
ll a[N],b[N],w[N],ans[N],way[N],fact[N];
ll ksm(ll a,ll b){
ll sz=a;
ll ans=1;
while(b){
if(b&1)ans=ans*sz%mod;
sz=sz*sz%mod;
b>>=1;
}
return (ans+mod)%mod;
}
void solve(int i){
if(b[i]==i){
ans[i]=a[i];
way[i]=1;
return;
}
if(a[i]<a[b[i]]){
ans[i]=a[i]+w[i];
way[i]=1;
return ;
}
else if(a[i]>=a[b[i]]+w[b[i]]){
ans[i]=a[i];
way[i]=1;
return ;
}
else{
if(way[b[i]]==-1){
solve(b[i]);
}
ll temp=ksm(fact[way[ b[i] ]+ 1 ],mod-2);
ans[i]=((a[i]+w[i])*temp%mod+a[i]*(fact[way[ b[i] ]+ 1 ]-1+mod)*temp%mod+mod)%mod;
way[i]=way[b[i]]+1;
return;
}
}
int main(){
ios::sync_with_stdio(false);
cin.tie(0),cout.tie(0);
fact[0]=1;
for(ll i=1;i<=5e5;i++){
fact[i]=fact[i-1]*i%mod;
}
int T;
cin>>T;
while(T--){
// memset(way,-1,sizeof way);
ll n;
cin>>n;
for(int i=1;i<=n;i++)way[i]=-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++){
// cout<<"y\n";
if(way[i]==-1)solve(i);
cout<<ans[i]<<' ';
}
cout<<"\n";
}
}
Details
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Test #1:
score: 100
Accepted
time: 5ms
memory: 16708kb
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 5 5 6 5 10 9 166666673 5 6 500000006 4 3 4 5
result:
ok 15 numbers
Test #2:
score: -100
Wrong Answer
time: 126ms
memory: 17196kb
input:
50000 5 508432375 168140163 892620793 578579275 251380640 3 4 4 1 3 346232959 736203130 186940774 655629320 607743104 1 863886789 1 364158084 18 864679185 463975750 558804051 604216585 694033700 499417132 375390750 337590759 467353355 111206671 983760005 984444619 322277587 138763925 205122047 97736...
output:
854665334 904343293 462121091 905350506 859123744 863886789 871186919 814243920 968784984 1206455481 855293146 1449261420 527309234 901433117 519383814 907574792 983760005 984444619 489899014 435736558 1113628633 977360756 361646128 963066959 677431680 575333297 122924733 421298438 601054667 1099...
result:
wrong answer 3rd numbers differ - expected: '590444253', found: '462121091'