#include "plants.h"
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 200200;
// mn = plant that point to this plant
struct A {
int r, mn, idx;
A operator + (const A& o) const {
A t;
if (mn < o.mn || (mn == o.mn && r < o.r))
t = *this;
else
t = o;
return t;
}
} tree[4 * N];
int lazy[4 * N], lazy2[4 * N];
int n, k;
int ord[N], a[N];
void build(int now = 1, int l = 0, int r = n - 1) {
if (l == r) {
tree[now].r = a[l];
tree[now].mn = 0;
tree[now].idx = l;
return;
}
int mid = (l + r) / 2;
build(2 * now, l, mid), build(2 * now + 1, mid + 1, r);
tree[now] = tree[2 * now] + tree[2 * now + 1];
}
void lzy(int now, int l, int r) {
tree[now].mn += lazy[now];
tree[now].r += lazy2[now];
if (l != r) {
lazy[2 * now] += lazy[now], lazy[2 * now + 1] += lazy[now];
lazy2[2 * now] += lazy2[now], lazy2[2 * now + 1] += lazy2[now];
}
lazy[now] = lazy2[now] = 0;
}
void update(int ql, int qr, int w, int now = 1, int l = 0, int r = n - 1) {
lzy(now, l, r);
if (l > qr || r < ql) return;
if (ql <= l && r <= qr) {
lazy[now] += w;
lzy(now, l, r);
return;
}
int mid = (l + r) / 2;
update(ql, qr, w, 2 * now, l, mid), update(ql, qr, 2 * now + 1, mid + 1, r);
tree[now] = tree[2 * now] + tree[2 * now + 1];
}
void update2(int ql, int qr, int w, int now = 1, int l = 0, int r = n - 1) {
lzy(now, l, r);
if (l > qr || r < ql) return;
if (ql <= l && r <= qr) {
lazy2[now] += w;
lzy(now, l, r);
return;
}
int mid = (l + r) / 2;
update2(ql, qr, w, 2 * now, l, mid), update2(ql, qr, 2 * now + 1, mid + 1, r);
tree[now] = tree[2 * now] + tree[2 * now + 1];
}
A query(int ql, int qr, int now = 1, int l = 0, int r = n - 1) {
lzy(now, l, r);
if (ql <= l && r <= qr) return tree[now];
int mid = (l + r) / 2;
if (qr <= mid) return query(ql, qr, 2 * now, l, mid);
if (ql > mid) return query(ql, qr, 2 * now + 1, mid + 1, r);
return query(ql, qr, 2 * now, l, mid) + query(ql, qr, 2 * now + 1, mid + 1, r);
}
void update1(int i, int w) { // add arrow
int j = i + k - 1;
if (j >= n) {
update(i + 1, n - 1, w);
update(0, j - n, w);
}
else {
update(i + 1, j, w);
}
}
void update3(int i, int w) {
int j = i - k + 1;
if (j < 0) {
update2(0, i - 1, w);
update2(j + n, n - 1, w);
}
else {
update2(j, i - 1, w);
}
}
A query1(int i) {
int j = i + k - 1;
if (j >= n) {
return query(i + 1, n) + query(0, j - n);
}
return query(i + 1, j);
}
void init(int K, vector<int> r) {
n = r.size();
k = K;
for (int i = 0;i < n;i++) a[i] = r[i];
build();
for (int i = 0;i < n;i++) {
if (a[i] == 0) update1(i, 1), update(i, i, 1e9);
}
int tot = 0;
while (tot != n) {
A now = tree[1];
int i = now.idx;
ord[i] = ++tot;
update1(i, -1);
update3(i, -1);
A nxt = query1(i);
while (nxt.r == 0 && nxt.mn == 0) {
update1(nxt.idx, 1), update(nxt.idx, nxt.idx, 1e9);
nxt = query1(i);
}
}
}
int compare_plants(int x, int y) {
return (ord[x] < ord[y]) ? 1 : -1;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
4444 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
4440 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
4440 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
4051 ms |
4444 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
4440 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
4444 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
4444 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
