Submission #725043

#TimeUsernameProblemLanguageResultExecution timeMemory
725043sandry24Just Long Neckties (JOI20_ho_t1)C++17
0 / 100
1 ms212 KiB
#include <bits/stdc++.h> using namespace std; //#pragma GCC optimize("O3,unroll-loops") //#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt") typedef long long ll; typedef vector<int> vi; typedef pair<int, int> pi; #define pb push_back #define mp make_pair #define f first #define s second void solve(){ int n; cin >> n; vi a(n+1), b(n); for(int i = 0; i <= n; i++) cin >> a[i]; for(int i = 0; i < n; i++) cin >> b[i]; sort(a.begin(), a.end()); sort(b.begin(), b.end()); vector<int> diff_same(n), diff_next(n); for(int i = 0; i < n; i++){ diff_same[i] = max(a[i] - b[i], 0); diff_next[i] = max(a[i+1] - b[i], 0); } vector<vi> sparse_same(n+1, vi(26)), sparse_next(n+1, vi(26)); for(int i = 1; i <= n; i++){ sparse_same[i][0] = diff_same[i-1]; sparse_next[i][0] = diff_next[i-1]; } for(int j = 1; j < 26; j++){ for(int i = 1; i + (1 << j) - 1 <= n; i++){ sparse_same[i][j] = max(sparse_same[i][j-1], sparse_same[i + (1 << (j-1))][j-1]); sparse_next[i][j] = max(sparse_next[i][j-1], sparse_next[i + (1 << (j-1))][j-1]); } } for(int i = 1; i <= n+1; i++){ if(i == n+1){ int l = 1, r = n; int w = (int)log2(r - l + 1); cout << max(sparse_same[l][w], sparse_same[r - (1 << w) + 1][w]) << ' '; } else if(i == 1){ int l = 1, r = n; int w = (int)log2(r - l + 1); cout << max(sparse_next[l][w], sparse_next[r - (1 << w) + 1][w]) << ' '; } else { int l1 = 1, r1 = i-1, l2 = i, r2 = n; int w1 = (int)log2(r1 - l1 + 1), w2 = (int)log2(r2 - l2 + 1); int max1 = max(sparse_same[l1][w1], sparse_same[r1 - (1 << w1) + 1][w1]); int max2 = max(sparse_next[l2][w2], sparse_next[r2 - (1 << w2) + 1][w2]); cout << max(max1, max2) << ' '; } } } int main(){ //freopen("input.txt", "r", stdin); //freopen("test.out", "w", stdout); //ios::sync_with_stdio(0); cin.tie(0); int t = 1; //cin >> t; while(t--){ solve(); } }
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