1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77
| #include <bits/stdc++.h>
using namespace std;
const double eps = 1e-10; const double pi = 3.1415926535897932384626433832795; const double eln = 2.718281828459045235360287471352;
#define f(i, a, b) for (int i = a; i <= b; i++) #define scan(x) scanf("%d", &x) #define mp make_pair #define pb push_back #define lowbit(x) (x&(-x))
#define fi first #define se second #define SZ(x) int((x).size()) #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define summ(a) (accumulate(all(a), 0ll))
typedef unsigned long long ull; typedef pair<int,int> pii; typedef vector<int> vi;
using ll=long long; const int mod=1e9+7;
ll powmod(ll a,ll b){ a%=mod; int res=1; for(;b>0;b>>=1,a=1ll*a*a%mod)if(b&1)res=1ll*res*a%mod; return res; }
ll tt,n,q,xs[40][(int)1e5+9],nxt[40][(int)1e5+9],yx[40][(int)1e5+9],to[(int)1e5+9],k[(int)1e5+9],b[(int)1e5+9];
void solve(){ cin>>n>>q; f(i,1,n)cin>>k[i]; f(i,1,n)cin>>b[i]; f(i,1,n)cin>>to[i]; f(i,1,n){ xs[0][i]=k[to[i]],yx[0][i]=b[to[i]],nxt[0][i]=to[i]; } for(int i=1;i<=34;++i){ for(int j=1;j<=n;++j){ xs[i][j]=xs[i-1][nxt[i-1][j]]*xs[i-1][j]%mod; yx[i][j]=(yx[i-1][j]*xs[i-1][nxt[i-1][j]]%mod+yx[i-1][nxt[i-1][j]])%mod; nxt[i][j]=nxt[i-1][nxt[i-1][j]]; } }
for(int i=1,x,y,z;i<=q;++i){ cin>>x>>y>>z; ll ans=z; while(y>0){ int tp=log2(y); ans=(xs[tp][x]*ans%mod+yx[tp][x])%mod; x=nxt[tp][x],y-=1ll<<tp; } cout<<ans<<"\n"; } }
int main() { ios::sync_with_stdio(false); cin.tie(0); cin>>tt; while(tt--)solve(); return 0; }
|