Submission #1046272

#TimeUsernameProblemLanguageResultExecution timeMemory
1046272vjudge1Just Long Neckties (JOI20_ho_t1)C++17
100 / 100
149 ms10836 KiB
#include <bits/stdc++.h>
using namespace std;
int main()
{
    int N;
    cin >> N;
    vector<pair<int,int>> A(N + 1);
    vector<int> O(N + 1);
    for(int i = 0;i <= N; ++i){
        cin >> A[i].first;
        A[i].second = i;
    }
    vector<int> B(N);
    for(int i = 0;i < N; ++i){
        cin >> B[i];
    }
    sort(A.begin(),A.end());
    sort(B.begin(),B.end());
    for(int i = 0;i <= N; ++i) O[A[i].second] = i;
    vector<int> pref(N);
    for(int i = 0;i < N; ++i){
        if(i > 0) pref[i] = max(pref[i - 1], max(A[i].first - B[i], 0));
        else pref[i] = max(A[i].first - B[i], 0);
    }
    vector<int> suf(N);
    for(int i = N - 1;i >= 0; --i){
        if(i < N-1) suf[i] = max(suf[i + 1],max(A[i + 1].first - B[i],0));
        else suf[i] = max(A[i + 1].first - B[i],0);
    }
    for(int i = 0;i <= N; ++i){
        if(O[i] == 0){
            cout << suf[0];
        }
        else if(O[i] == N){
            cout << pref[N-1];
        }
        else{
            cout << max(pref[O[i] - 1], suf[O[i]]);
        }
        if(i != N) cout << " ";
        else cout << "\n";
    }
    return 0;
}
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