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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 |
---|---|---|---|---|---|---|---|---|---|
#778911 | #8237. Sugar Sweet II | guodong# | WA | 375ms | 28204kb | C++17 | 1.6kb | 2024-11-24 16:44:58 | 2024-11-24 16:44:58 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N=5e5+10;
const int mod=1e9+7;
int num,q[N],ne[N],hd[N],d[N];
void addnum(int x,int y){
q[++num]=y;
ne[num]=hd[x];
hd[x]=num;
d[y]++;
}
int inf[N],fac[N];
int fp(int x,int y){
if(y==0)return 1;
if(y==1)return x;
int sum=fp(x,y/2);
if(y%2==0)return sum*sum%mod;
else return sum*sum%mod*x%mod;
}
int n,vis[N],a[N],b[N],w[N],ans[N];
void dfs(int t,int len){
vis[t]=1;
if(ans[t]==0){
ans[t]=(a[t]+w[t]*inf[len]%mod)%mod;
// cout<<t<<' '<<len<<' '<<ans[t]<<endl;
}
for(int i=hd[t]; i; i=ne[i]){
int v=q[i];
dfs(v,len+1);
}
}
signed main(){
int t;
cin>>t;
fac[0]=1;
for(int i=1; i<=N-5; i++)fac[i]=fac[i-1]*i%mod;
inf[N-5]=fp(fac[N-5],mod-2);
for(int i=N-6; i>=0; i--)inf[i]=inf[i+1]*(i+1)%mod;
while(t--){
cin>>n;
num=0;
for(int i=1; i<=n; i++)hd[i]=0,ans[i]=0,vis[i]=0,d[i]=0;
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(a[i]<a[b[i]])ans[i]=a[i]+w[i];
else if(a[i]>=a[b[i]]+w[b[i]])ans[i]=a[i];
else addnum(b[i],i);
}
for(int i=1; i<=n; i++){
if(!vis[i]&&d[i]==0){
dfs(i,1);
}
}
for(int i=1; i<=n; i++)
if(ans[i]==0)cout<<a[i]<<' ';
else cout<<ans[i]<<' ';
cout<<endl;
}
}
详细
Test #1:
score: 100
Accepted
time: 3ms
memory: 28204kb
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: 375ms
memory: 28156kb
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 590444253 906393935 859123744 863886789 871186919 814243920 968784984 1206455481 17527050 1449261420 196759729 901433117 519383814 907574792 983760005 984444619 489899014 435736558 1113628633 977360756 482247153 963066959 665922935 577926775 132646723 421298438 601054667 10994...
result:
wrong answer 10th numbers differ - expected: '206455474', found: '1206455481'