#include <stdio.h>
#include <algorithm>
using namespace std;
struct segment_tree
{
int tree_max[2000005];
void update(int i, int value, int node, int start, int end)
{
if (i < start || end < i)
return;
else if (start == end)
{
tree_max[node] = value;
}
else
{
int mid = start + end >> 1;
update(i, value, node * 2, start, mid);
update(i, value, node * 2 + 1, mid + 1, end);
tree_max[node] = max(tree_max[node * 2], tree_max[node * 2 + 1]);
}
}
int maxValue(int l, int r, int node, int start, int end)
{
if (r < start || end < l)
return 0;
else if (l <= start && end <= r)
return tree_max[node];
else
{
int mid = start + end >> 1;
return max(maxValue(l, r, node * 2, start, mid), maxValue(l, r, node * 2 + 1, mid + 1, end));
}
}
};
segment_tree st;
int h[500005];
int main()
{
int n;
scanf(" %d", &n);
for (int i = 1; i <= n; i++)
{
scanf(" %d", h + i);
st.update(i, h[i], 1, 1, n);
}
int x = 1;
for (int i = 1; i <= n; i++)
{
while (x < n)
{
if (x - i + 1 >= 1 && h[x + 1] > st.maxValue(x - i + 1, x, 1, 1, n))
{
printf("%d ", x - i + 1);
break;
}
x++;
}
if (x >= n)
printf("-1 ");
}
printf("\n");
return 0;
}
Compilation message
box.cpp: In member function 'void segment_tree::update(int, int, int, int, int)':
box.cpp:19:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
int mid = start + end >> 1;
~~~~~~^~~~~
box.cpp: In member function 'int segment_tree::maxValue(int, int, int, int, int)':
box.cpp:34:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
int mid = start + end >> 1;
~~~~~~^~~~~
box.cpp: In function 'int main()':
box.cpp:47:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf(" %d", &n);
~~~~~^~~~~~~~~~~
box.cpp:50:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf(" %d", h + i);
~~~~~^~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
248 KB |
Output is correct |
2 |
Correct |
2 ms |
484 KB |
Output is correct |
3 |
Correct |
2 ms |
484 KB |
Output is correct |
4 |
Correct |
2 ms |
484 KB |
Output is correct |
5 |
Correct |
3 ms |
484 KB |
Output is correct |
6 |
Correct |
2 ms |
492 KB |
Output is correct |
7 |
Correct |
5 ms |
504 KB |
Output is correct |
8 |
Correct |
3 ms |
504 KB |
Output is correct |
9 |
Correct |
3 ms |
504 KB |
Output is correct |
10 |
Correct |
2 ms |
504 KB |
Output is correct |
11 |
Correct |
2 ms |
504 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
248 KB |
Output is correct |
2 |
Correct |
2 ms |
484 KB |
Output is correct |
3 |
Correct |
2 ms |
484 KB |
Output is correct |
4 |
Correct |
2 ms |
484 KB |
Output is correct |
5 |
Correct |
3 ms |
484 KB |
Output is correct |
6 |
Correct |
2 ms |
492 KB |
Output is correct |
7 |
Correct |
5 ms |
504 KB |
Output is correct |
8 |
Correct |
3 ms |
504 KB |
Output is correct |
9 |
Correct |
3 ms |
504 KB |
Output is correct |
10 |
Correct |
2 ms |
504 KB |
Output is correct |
11 |
Correct |
2 ms |
504 KB |
Output is correct |
12 |
Correct |
3 ms |
504 KB |
Output is correct |
13 |
Correct |
4 ms |
548 KB |
Output is correct |
14 |
Correct |
36 ms |
1420 KB |
Output is correct |
15 |
Correct |
68 ms |
2240 KB |
Output is correct |
16 |
Correct |
89 ms |
2520 KB |
Output is correct |
17 |
Correct |
266 ms |
5156 KB |
Output is correct |
18 |
Correct |
328 ms |
7708 KB |
Output is correct |
19 |
Correct |
428 ms |
8732 KB |
Output is correct |
20 |
Correct |
497 ms |
9500 KB |
Output is correct |
21 |
Correct |
460 ms |
9500 KB |
Output is correct |