#include<bits/stdc++.h>
using namespace std;
template<typename T>
struct IT {
typedef size_t sint;
typedef function<T(const T&,const T&)> func;
T *arr;
T init_val;
sint N;
func F;
IT(sint n, func F):F(F) {
for (N = 1; N < n; N <<= 1);
arr = new T[N << 1]();
init_val = T();
}
IT(sint n, func F, T init_val):F(F),init_val(init_val) {
for (N = 1; N < n; N <<= 1);
arr = new T[N << 1];
fill(arr, arr + (N<<1), init_val);
}
void update(sint i, T val) {
i |= N;
arr[i] = val;
while (i >>= 1)
arr[i] = F(arr[i<<1], arr[i<<1 | 1]);
}
T query(sint l, sint r) {
l |= N, r |= N;
T lval = init_val, rval = init_val;
while (l <= r) {
if (l & 1)
lval = F(lval, arr[l++]);
if (!(r & 1))
rval = F(arr[r--], rval);
l >>= 1, r >>= 1;
}
return F(lval, rval);
}
};
const int MAX_N = 1e5;
pair<int, int> tmp[MAX_N];
int valcomp[MAX_N];
int arr[MAX_N];
int res[MAX_N];
int main(void) {
ios_base::sync_with_stdio(false), cin.tie(NULL);
vector<int> vals;
int N; cin >> N;
for (int i = 0; i < N; i ++) {
cin >> arr[i];
tmp[i].first = arr[i];
tmp[i].second = i;
}
sort(tmp, tmp + N);
int cur_idx = -1;
int prv_val = -1;
for (int i = 0; i < N; i ++) {
if (prv_val != tmp[i].first)
cur_idx++;
valcomp[tmp[i].second] = cur_idx;
prv_val = tmp[i].first;
}
cur_idx ++;
IT<int> segtree(cur_idx+1, [](const int& a, const int& b) { return max(a,b); }, -1);
int last = 0;
memset(res, -1, sizeof res);
segtree.update(valcomp[0], 0);
for (int i = 1; i < N; i ++) {
if (arr[i] > arr[i-1]) {
int qidx = segtree.query(valcomp[i], cur_idx);
if (qidx != -1) {
for (int k = qidx+1; k < i-last; k ++)
res[i-k-1] = k+1;
last = max(last, i-qidx-1);
}
else {
for (; last < i; last ++)
res[last] = i-last;
}
}
segtree.update(valcomp[i], i);
}
for (int i = 0; i < N; i ++)
cout << res[i] << ' ';
cout << endl;
}
Compilation message
box.cpp: In instantiation of 'IT<T>::IT(IT<T>::sint, IT<T>::func, T) [with T = int; IT<T>::sint = long unsigned int; IT<T>::func = std::function<int(const int&, const int&)>]':
box.cpp:74:87: required from here
box.cpp:11:10: warning: 'IT<int>::F' will be initialized after [-Wreorder]
func F;
^
box.cpp:8:7: warning: 'int IT<int>::init_val' [-Wreorder]
T init_val;
^~~~~~~~
box.cpp:19:5: warning: when initialized here [-Wreorder]
IT(sint n, func F, T init_val):F(F),init_val(init_val) {
^~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
760 KB |
Output is correct |
2 |
Correct |
3 ms |
868 KB |
Output is correct |
3 |
Correct |
3 ms |
868 KB |
Output is correct |
4 |
Correct |
3 ms |
868 KB |
Output is correct |
5 |
Correct |
3 ms |
868 KB |
Output is correct |
6 |
Correct |
4 ms |
896 KB |
Output is correct |
7 |
Correct |
4 ms |
1044 KB |
Output is correct |
8 |
Correct |
3 ms |
1044 KB |
Output is correct |
9 |
Correct |
3 ms |
1044 KB |
Output is correct |
10 |
Correct |
3 ms |
1076 KB |
Output is correct |
11 |
Correct |
3 ms |
1076 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
760 KB |
Output is correct |
2 |
Correct |
3 ms |
868 KB |
Output is correct |
3 |
Correct |
3 ms |
868 KB |
Output is correct |
4 |
Correct |
3 ms |
868 KB |
Output is correct |
5 |
Correct |
3 ms |
868 KB |
Output is correct |
6 |
Correct |
4 ms |
896 KB |
Output is correct |
7 |
Correct |
4 ms |
1044 KB |
Output is correct |
8 |
Correct |
3 ms |
1044 KB |
Output is correct |
9 |
Correct |
3 ms |
1044 KB |
Output is correct |
10 |
Correct |
3 ms |
1076 KB |
Output is correct |
11 |
Correct |
3 ms |
1076 KB |
Output is correct |
12 |
Correct |
3 ms |
1076 KB |
Output is correct |
13 |
Correct |
4 ms |
1076 KB |
Output is correct |
14 |
Correct |
34 ms |
2428 KB |
Output is correct |
15 |
Correct |
38 ms |
3580 KB |
Output is correct |
16 |
Correct |
49 ms |
4108 KB |
Output is correct |
17 |
Runtime error |
32 ms |
4108 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
18 |
Halted |
0 ms |
0 KB |
- |