oj.uz

답안 #1097683

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1097683 2024-10-08T02:37:12 Z Alihan_8 Snowball (JOI21_ho_t2) C++17
33 / 100
 2500 ms 9052 KB 
#include <bits/stdc++.h>

using namespace std;

#define all(x) x.begin(), x.end()
#define ar array

using i64 = long long;

const i64 inf = 1e18;

signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	
	int n, q; cin >> n >> q;
	
	vector <i64> X(n + 2);
	
	for ( int i = 1; i <= n; i++ ){
		cin >> X[i];
	}
	
	X[0] = -inf, X[n + 1] = inf;
	
	vector <i64> Q(q);
	
	for ( auto &x: Q ) cin >> x;
	
	vector <ar<i64,2>> f(q);
	
	i64 cnt = 0;
	
	for ( int i = 0; i < q; i++ ){
		if ( i > 0 ) f[i] = f[i - 1];
		
		cnt += Q[i];
		
		f[i][0] = min(f[i][0], cnt);
		f[i][1] = max(f[i][1], cnt);
	}
	
	sort(all(f), [&](auto &u, auto &v){
		return u[1] - u[0] < v[1] - v[0];
	});
	
	vector <i64> A(n + 1), B(n + 1);
	
	for ( int i = 1; i <= n; i++ ){
		A[i] = X[i] - X[i - 1];
		B[i] = X[i + 1] - X[i];
	}
	
	vector <i64> L(n + 1), R(n + 1);
	
	{ // L
		vector <int> p(n);
		iota(all(p), 1);
		
		sort(all(p), [&](int &u, int &v){
			return A[u] < A[v];
		});
		
		vector <i64> pf(q + 1, inf), sf(q + 2, inf);
		
		for ( int i = 0; i < q; i++ ) pf[i + 1] = min(pf[i], f[i][0]);
		for ( int i = q; i > 0; i-- ) sf[i] = min(sf[i + 1], f[i - 1][1]);
		
		int j = 0;
		
		for ( auto &i: p ){
			L[i] = A[i];
			
			for ( int j = 0; j < q; j++ ){
				L[i] = min(L[i], max(f[j][1], f[j][0] + A[i]));
			}
			
			while ( j < q && f[j][1] <= A[i] + f[j][0] ) j++;
			
			for ( int k = j + 1; k <= q; k++ ){
				L[i] = min(L[i], f[k - 1][1]);
			}
			
			L[i] = min({L[i], pf[j] + A[i]});
		}
	}
	{ // R
		vector <int> p(n);
		iota(all(p), 1);
		
		sort(all(p), [&](int &u, int &v){
			return B[u] < B[v];
		});
		
		vector <i64> pf(q + 1, -inf), sf(q + 2, -inf);
		
		for ( int i = 0; i < q; i++ ) pf[i + 1] = max(pf[i], f[i][1]);
		for ( int i = q; i > 0; i-- ) sf[i] = max(sf[i + 1], f[i - 1][0]);
		
		int j = 0;
		
		for ( auto &i: p ){
			for ( int j = 0; j < q; j++ ){
				R[i] = max(R[i], min(f[j][0] + B[i], f[j][1]));
			}
			
			continue;
			
			while ( j < q && f[j][1] <= B[i] + f[j][0] ) j++;
			
			R[i] = max({R[i], pf[j], sf[j + 1] + B[i]});
		}
	}
	
	for ( int i = 1; i <= n; i++ ){
		cout << R[i] - L[i] + A[i] << endl;
	}
	
	cout << '\n';
}

Subtask #1
33.0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 14 ms 620 KB Output is correct
5 Correct 15 ms 604 KB Output is correct
6 Correct 15 ms 612 KB Output is correct
7 Correct 14 ms 616 KB Output is correct
8 Correct 14 ms 604 KB Output is correct
9 Correct 14 ms 600 KB Output is correct
10 Correct 13 ms 604 KB Output is correct
11 Correct 11 ms 616 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 14 ms 600 KB Output is correct
16 Correct 14 ms 604 KB Output is correct
17 Correct 14 ms 640 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 11 ms 600 KB Output is correct

Subtask #2
0 / 67.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 14 ms 620 KB Output is correct
5 Correct 15 ms 604 KB Output is correct
6 Correct 15 ms 612 KB Output is correct
7 Correct 14 ms 616 KB Output is correct
8 Correct 14 ms 604 KB Output is correct
9 Correct 14 ms 600 KB Output is correct
10 Correct 13 ms 604 KB Output is correct
11 Correct 11 ms 616 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 14 ms 600 KB Output is correct
16 Correct 14 ms 604 KB Output is correct
17 Correct 14 ms 640 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 11 ms 600 KB Output is correct
20 Correct 29 ms 8244 KB Output is correct
21 Correct 53 ms 8276 KB Output is correct
22 Correct 245 ms 8288 KB Output is correct
23 Correct 2330 ms 8368 KB Output is correct
24 Execution timed out 2553 ms 9052 KB Time limit exceeded
25 Halted 0 ms 0 KB -