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Submission #856339

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```#define _CRT_SECURE_NO_WARNINGS
#include<sstream>
#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<climits>
#include<cmath>
#include<string>
#include<vector>
#include<set>
#include<map>
#include<queue>
#include<numeric>
#include<functional>
#include<algorithm>
#include<bitset>
#include<tuple>
#include<unordered_set>
#include<random>
using namespace std;
#define INF (1<<29)
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define all(v) v.begin(),v.end()
#define uniq(v) v.erase(unique(all(v)),v.end())

vector<tuple<int, int, int>> s[2][100000];
int N;
int x[100000];
int L, Q;
int ans[100000];
int dist[100000];

int bs;

void solve(int dir) {
rep(i, N - 1) {
int nxt = upper_bound(x, x + N, x[i] + L) - 1 - x;
if (s[dir][i].size() < bs) {
for (const auto &t : s[dir][i]) {
int b, j, cost;
tie(b, j, cost) = t;
if (nxt >= b) {
ans[j] = cost + 1;
}
else {
s[dir][nxt].emplace_back(b, j, cost + 1);
}
}
}
else {
int c = 1, d = 0;
dist[i] = 0;
for (int j = i + 1; j < N; j++) {
d += x[j] - x[j - 1];
if (d > L) {
d = x[j] - x[j - 1];
c++;
}
dist[j] = c;
}
for (const auto &t : s[dir][i]) {
int b, j, cost;
tie(b, j, cost) = t;
ans[j] = cost + dist[b];
}
}
{
vector<tuple<int, int, int>> a;
s[dir][i].swap(a);
}
}
}

int main() {
ios::sync_with_stdio(0);
cin.tie(0);
cin >> N;
rep(i, N)cin >> x[i];
cin >> L >> Q;
bs = sqrt(Q);
rep(i, Q) {
int a, b;
cin >> a >> b;
a--; b--;
if (a < b) {
s[0][a].emplace_back(b, i, 0);
}
else {
a = N - a - 1;
b = N - b - 1;
s[1][a].emplace_back(b, i, 0);
}
}
solve(0);
reverse(x, x + N);
rep(i, N)x[i] *= -1;
solve(1);
rep(i, Q)cout << ans[i] << endl;

return 0;
}```

#### Submission Info

Submission Time 2016-08-28 21:59:12+0900 E - Tak and Hotels hirokazu1020 C++14 (GCC 5.4.1) 700 1902 Byte AC 1279 ms 9524 KB

#### Judge Result

Score / Max Score 0 / 0 200 / 200 500 / 500
Status
 AC × 1
 AC × 14
 AC × 27
Set Name Test Cases
Sample example_01.txt
Case Name Status Exec Time Memory
example_01.txt AC 11 ms 4992 KB
subtask1_01.txt AC 11 ms 4992 KB
subtask1_02.txt AC 10 ms 4992 KB
subtask1_03.txt AC 18 ms 4992 KB
subtask1_04.txt AC 18 ms 4992 KB
subtask1_05.txt AC 17 ms 4992 KB
subtask1_06.txt AC 14 ms 4992 KB
subtask1_07.txt AC 14 ms 4992 KB
subtask1_08.txt AC 17 ms 4992 KB
subtask1_09.txt AC 18 ms 4992 KB
subtask1_10.txt AC 21 ms 4992 KB
subtask1_11.txt AC 18 ms 4992 KB
subtask1_12.txt AC 18 ms 4992 KB
subtask1_13.txt AC 17 ms 4992 KB
subtask2_01.txt AC 1279 ms 9032 KB
subtask2_02.txt AC 1238 ms 8576 KB
subtask2_03.txt AC 1230 ms 8996 KB
subtask2_04.txt AC 437 ms 7168 KB
subtask2_05.txt AC 530 ms 7680 KB
subtask2_06.txt AC 739 ms 8448 KB
subtask2_07.txt AC 857 ms 9088 KB
subtask2_08.txt AC 1175 ms 8576 KB
subtask2_09.txt AC 1196 ms 8576 KB
subtask2_10.txt AC 1176 ms 9088 KB
subtask2_11.txt AC 1164 ms 8448 KB
subtask2_12.txt AC 802 ms 9524 KB
subtask2_13.txt AC 659 ms 9048 KB