Submission #30471713

Source Code Expand

#include <bits/stdc++.h>
#define rep(i, n) for(int i=0; i<int(n); i++)
#define ALL(v) v.begin(), v.end()
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<ll, ll> P;

ll N, K, tmp;
vector<ll> A, B;
vector<bool> a, b;
bool ans=false;

int dp(ll now, ll i, char w){
    if(i==N){
        ans=true;
        return i;
    }

    if(w=='a'){
        if(a[i]) return i;
        else a[i]=true;
    }else{
        if(b[i]) return i;
        else b[i]=true;
    }

    if(abs(now-A[i])<=K) dp(A[i], i+1, 'a');
    if(abs(now-B[i])<=K) dp(B[i], i+1, 'b');
    return i;
}

int main(void){
    cin >> N >> K;
    A.resize(N);
    B.resize(N);
    a.resize(N, false);
    b.resize(N, false);
    rep(i, N) cin >> A[i];
    rep(i, N) cin >> B[i];
    
    int res=dp(A[0], 1, 'a');
    if(!ans && res==1) res=dp(B[0], 1, 'b');

    if(ans) cout << "Yes" << endl;
    else cout << "No" << endl;

    return 0;
}

Submission Info

Submission Time
Task C - Choose Elements
User m_are
Language C++ (GCC 9.2.1)
Score 300
Code Size 984 Byte
Status AC
Exec Time 121 ms
Memory 12708 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 27
Set Name Test Cases
Sample example0.txt, example1.txt, example2.txt
All 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, 022.txt, 023.txt, example0.txt, example1.txt, example2.txt
Case Name Status Exec Time Memory
000.txt AC 12 ms 3556 KiB
001.txt AC 2 ms 3600 KiB
002.txt AC 15 ms 3608 KiB
003.txt AC 1 ms 3540 KiB
004.txt AC 2 ms 3536 KiB
005.txt AC 2 ms 3536 KiB
006.txt AC 118 ms 12328 KiB
007.txt AC 114 ms 9484 KiB
008.txt AC 90 ms 9936 KiB
009.txt AC 87 ms 7044 KiB
010.txt AC 119 ms 12656 KiB
011.txt AC 115 ms 8964 KiB
012.txt AC 120 ms 12580 KiB
013.txt AC 115 ms 8404 KiB
014.txt AC 120 ms 12708 KiB
015.txt AC 121 ms 11788 KiB
016.txt AC 118 ms 12664 KiB
017.txt AC 114 ms 8572 KiB
018.txt AC 104 ms 11404 KiB
019.txt AC 75 ms 7516 KiB
020.txt AC 120 ms 12660 KiB
021.txt AC 116 ms 6224 KiB
022.txt AC 119 ms 12656 KiB
023.txt AC 111 ms 6288 KiB
example0.txt AC 3 ms 3464 KiB
example1.txt AC 2 ms 3576 KiB
example2.txt AC 2 ms 3468 KiB