oj.uz

답안 #145851

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
145851 2019-08-21T07:15:41 Z maruii 역사적 조사 (JOI14_historical) C++14
15 / 100
 251 ms 3192 KB 
#include <bits/stdc++.h>
using namespace std;
using pii = pair<int, int>;
#define ff first
#define ss second
#define eack emplace_back
#define all(x) (x).begin(), (x).end()

int X[100005], in[100005][2];
vector<int> xx;

const int SIZE = 1 << 17;
struct ST {
	long long A[2 * SIZE];
	int sz;
	void update(int x, long long v) {
		x += SIZE; A[x] += v;
		for (x >>= 1; x; x >>= 1) A[x] = max(A[x << 1], A[x << 1 | 1]);
	}
	long long query() { return A[1]; }
} seg;
		
int main() {
	ios_base::sync_with_stdio(0), cin.tie(0);
	int N, Q; cin >> N >> Q;
	for (int i = 1; i <= N; ++i) cin >> X[i], xx.eack(X[i]);
	sort(all(xx));
	xx.erase(unique(all(xx)), xx.end());
	for (int i = 1; i <= N; ++i) {
		X[i] = lower_bound(all(xx), X[i]) - xx.begin();
	}
	seg.sz = xx.size() - 1;
	
	vector<pii> qry[17005];
	vector<long long> ans(Q);

	for (int i = 0; i < Q; ++i) {
		cin >> in[i][0] >> in[i][1];
		qry[in[i][0] / 600].eack(in[i][1], i);
	}
	for (int i = 1; i <= N; ++i) sort(all(qry[i]));

	int s = 1, e = 0;
	for (int ii = 0; ii <= N / 600; ++ii) {
		for (auto i : qry[ii]) {
			int ns = in[i.ss][0], ne = in[i.ss][1];	
			for (; s < ns; ++s) seg.update(X[s], -xx[X[s]]);
			for (; s > ns; --s) seg.update(X[s - 1], xx[X[s - 1]]);
			for (; e < ne; ++e) seg.update(X[e + 1], xx[X[e + 1]]);
			for (; e > ne; --e) seg.update(X[e], -xx[X[e]]);
			ans[i.ss] = seg.query();
		}
	}
	
	for (auto i : ans) cout << i << '\n';
	return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 888 KB Output is correct
2 Correct 2 ms 760 KB Output is correct
3 Correct 3 ms 760 KB Output is correct
4 Correct 3 ms 760 KB Output is correct
5 Correct 3 ms 764 KB Output is correct
6 Correct 3 ms 760 KB Output is correct
7 Correct 3 ms 760 KB Output is correct
8 Correct 3 ms 760 KB Output is correct
9 Correct 3 ms 760 KB Output is correct
10 Correct 3 ms 760 KB Output is correct
11 Correct 3 ms 760 KB Output is correct
12 Correct 3 ms 760 KB Output is correct
13 Correct 3 ms 760 KB Output is correct
14 Correct 3 ms 760 KB Output is correct
15 Correct 3 ms 760 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 760 KB Output is correct
2 Correct 6 ms 760 KB Output is correct
3 Correct 16 ms 808 KB Output is correct
4 Correct 34 ms 888 KB Output is correct
5 Correct 78 ms 1016 KB Output is correct
6 Correct 122 ms 1100 KB Output is correct
7 Correct 122 ms 1144 KB Output is correct
8 Correct 129 ms 1144 KB Output is correct
9 Correct 131 ms 1120 KB Output is correct
10 Correct 126 ms 1144 KB Output is correct
11 Correct 121 ms 1180 KB Output is correct
12 Correct 119 ms 1176 KB Output is correct
13 Correct 118 ms 1144 KB Output is correct
14 Correct 120 ms 1144 KB Output is correct
15 Correct 122 ms 1144 KB Output is correct
16 Correct 130 ms 1116 KB Output is correct
17 Correct 152 ms 1272 KB Output is correct
18 Correct 120 ms 1244 KB Output is correct
19 Correct 116 ms 1272 KB Output is correct
20 Correct 120 ms 1272 KB Output is correct

Subtask #3
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 760 KB Output is correct
2 Correct 3 ms 760 KB Output is correct
3 Correct 3 ms 760 KB Output is correct
4 Correct 4 ms 760 KB Output is correct
5 Correct 11 ms 888 KB Output is correct
6 Correct 4 ms 888 KB Output is correct
7 Correct 6 ms 1016 KB Output is correct
8 Correct 8 ms 1144 KB Output is correct
9 Runtime error 14 ms 2168 KB Execution killed with signal 11 (could be triggered by violating memory limits)
10 Halted 0 ms 0 KB -

Subtask #4
0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 251 ms 1356 KB Output is correct
2 Runtime error 16 ms 3192 KB Execution killed with signal 11 (could be triggered by violating memory limits)
3 Halted 0 ms 0 KB -