80 lines
3.3 KiB
C++
80 lines
3.3 KiB
C++
|
#include<bits/stdc++.h>
|
||
|
|
using namespace std;
|
||
|
|
|
||
|
|
#define FAST_IO (ios_base:: sync_with_stdio(false),cin.tie(NULL));
|
||
|
|
#define int long long
|
||
|
|
#define ll long long
|
||
|
|
#define ull unsigned long long
|
||
|
|
#define endl '\n'
|
||
|
|
#define ff first
|
||
|
|
#define ss second
|
||
|
|
#define pb push_back
|
||
|
|
#define all(x) x.begin(), x.end()
|
||
|
|
#define sz(x) (int)(x).size()
|
||
|
|
#define yes cout<<"YES"<<endl
|
||
|
|
#define no cout<<"NO"<<endl
|
||
|
|
#define neg1 cout<<-1<<endl
|
||
|
|
#define PI 3.141592653589793238
|
||
|
|
#define MIN INT_MIN
|
||
|
|
#define MAX INT_MAX
|
||
|
|
#define INF LONG_LONG_MAX
|
||
|
|
#define MOD 1000000007
|
||
|
|
#define LLM 1000000000000000007
|
||
|
|
|
||
|
|
ll factorial(ll n) { if(n==0) return 1; ll res = 1; for (ll i = 2; i <= n; i++) res = res * i; return res; }
|
||
|
|
ll nPr(ll n, ll r) { return factorial(n) / factorial(n - r); }
|
||
|
|
ll nCr(ll n, ll r) { return factorial(n) / (factorial(r) * factorial(n - r));}
|
||
|
|
ll gcd(ll a, ll b) { if (b == 0) return a; return gcd(b, a % b); }
|
||
|
|
ll lcm(ll a, ll b) { return (a * b) / gcd(a, b);}
|
||
|
|
ull mypow(ull a, ull b) { ull ans = 1; a%=MOD; while(b){ if (b&1) ans = (ans*a) % MOD; a = (a*a) % MOD; b >>= 1; } return ans; }
|
||
|
|
bool isPrime(ll n) { if(n <= 1) return false; for(ll i = 2; i*i <= n; i++) if(n % i == 0) return false; return true; }
|
||
|
|
|
||
|
|
#ifndef ONLINE_JUDGE
|
||
|
|
#define dbg(x...) cerr << #x << " : "; _print(x)
|
||
|
|
#else
|
||
|
|
#define dbg(...)
|
||
|
|
#endif
|
||
|
|
void __print(long x) {cerr << x;} void __print(long long x){cerr << x;} void __print(bool x){cerr << (x ? "true" : "false");} void _print() { cerr << "\n"; }
|
||
|
|
void __print(unsigned x){cerr << x;} void __print(unsigned long x){cerr << x;} void __print(unsigned long long x){cerr << x;}
|
||
|
|
void __print(float x){cerr << x;} void __print(double x){cerr << x;} void __print(long double x){cerr << x;}
|
||
|
|
void __print(char x){cerr << x;} void __print(const char *x){cerr << x;} void __print(const string &x){cerr << x;}
|
||
|
|
template <typename A> void __print(const A &x); template <typename A, typename B> void __print(const pair<A, B> &p);
|
||
|
|
template <typename A> void __print(const A &x) {bool f=1; cerr << '['; for (const auto &i : x) {cerr << (f ? "" : ", "), __print(i); f = 0;} cerr << ']';}
|
||
|
|
template <typename A, typename B> void __print(const pair<A, B> &p) {cerr << '('; __print(p.first); cerr << ','; __print(p.second); cerr << ')';}
|
||
|
|
template <typename Head, typename... Tail> void _print(const Head &H, const Tail &...T) { __print(H); if (sizeof...(T)) cerr << ", "; _print(T...);}
|
||
|
|
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
void solve()
|
||
|
|
{
|
||
|
|
int n,k;
|
||
|
|
cin>>n>>k;
|
||
|
|
vector<int>a(n),b(n+1,0);
|
||
|
|
for(auto &i:a) cin>>i;
|
||
|
|
for(int i=0; i<n; ++i)
|
||
|
|
{
|
||
|
|
int x;
|
||
|
|
cin>>x;
|
||
|
|
b[abs(x)] += a[i];
|
||
|
|
}
|
||
|
|
int r=0;
|
||
|
|
for(int i=1; i<=n; ++i)
|
||
|
|
{
|
||
|
|
r += k;
|
||
|
|
if(r<b[i])
|
||
|
|
{
|
||
|
|
no;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
r -= b[i];
|
||
|
|
}
|
||
|
|
yes;
|
||
|
|
}
|
||
|
|
|
||
|
|
signed main()
|
||
|
|
{
|
||
|
|
FAST_IO;
|
||
|
|
int TC = 1;
|
||
|
|
cin >> TC;
|
||
|
|
while (TC--)
|
||
|
|
solve();
|
||
|
|
}
|