#include "towers.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define vi vector<int>
#define ii pair<int, int>
#define vii vector<ii>
int n;
vi v;
void init(int N, std::vector<int> H) {
n = N;
v.resize(n);
for (int i = 0; i < n; i++) v[i] = H[i];
}
int max_towers(int L, int R, int D) {
int l = L;
int r = R;
int d = D;
vii s(r-l+1);
for (int i = l; i <= r; i++) {
s[i-l] = make_pair(v[i], i);
}
sort(s.begin(), s.end());
vi ok(n, 0);
int ans = 0;
for (int i = 0; i < r-l+1; i++) {
int h = s[i].first;
int idx = s[i].second;
if (ok[idx] == ans) {
ans++;
int mx;
if (idx+1 < n) mx = v[idx+1];
for (int j = idx+2; j <= r; j++) {
if (max(h, v[j]) + d <= mx) ok[j]++;
mx = max(mx, v[j]);
}
if (idx-1 >= 0) mx = v[idx-1];
for (int j = idx-2; j >= l; j--) {
if (max(h, v[j]) + d <= mx) ok[j]++;
mx = max(mx, v[j]);
}
}
}
return ans;
}
Compilation message
towers.cpp: In function 'int max_towers(int, int, int)':
towers.cpp:38:11: warning: 'mx' may be used uninitialized in this function [-Wmaybe-uninitialized]
38 | int mx;
| ^~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
4045 ms |
1456 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
208 KB |
Output is correct |
| 2 |
Correct |
3 ms |
208 KB |
Output is correct |
| 3 |
Correct |
2 ms |
208 KB |
Output is correct |
| 4 |
Correct |
1 ms |
208 KB |
Output is correct |
| 5 |
Correct |
1 ms |
208 KB |
Output is correct |
| 6 |
Correct |
1 ms |
208 KB |
Output is correct |
| 7 |
Correct |
1 ms |
208 KB |
Output is correct |
| 8 |
Correct |
1 ms |
208 KB |
Output is correct |
| 9 |
Correct |
1 ms |
208 KB |
Output is correct |
| 10 |
Correct |
1 ms |
208 KB |
Output is correct |
| 11 |
Correct |
1 ms |
208 KB |
Output is correct |
| 12 |
Correct |
0 ms |
208 KB |
Output is correct |
| 13 |
Correct |
1 ms |
208 KB |
Output is correct |
| 14 |
Correct |
1 ms |
208 KB |
Output is correct |
| 15 |
Correct |
1 ms |
208 KB |
Output is correct |
| 16 |
Correct |
2 ms |
208 KB |
Output is correct |
| 17 |
Correct |
1 ms |
208 KB |
Output is correct |
| 18 |
Correct |
1 ms |
208 KB |
Output is correct |
| 19 |
Correct |
1 ms |
208 KB |
Output is correct |
| 20 |
Correct |
3 ms |
208 KB |
Output is correct |
| 21 |
Correct |
3 ms |
208 KB |
Output is correct |
| 22 |
Correct |
4 ms |
208 KB |
Output is correct |
| 23 |
Correct |
1 ms |
208 KB |
Output is correct |
| 24 |
Correct |
1 ms |
208 KB |
Output is correct |
| 25 |
Correct |
0 ms |
208 KB |
Output is correct |
| 26 |
Correct |
2 ms |
208 KB |
Output is correct |
| 27 |
Correct |
3 ms |
208 KB |
Output is correct |
| 28 |
Correct |
3 ms |
336 KB |
Output is correct |
| 29 |
Correct |
2 ms |
208 KB |
Output is correct |
| 30 |
Correct |
2 ms |
208 KB |
Output is correct |
| 31 |
Correct |
2 ms |
208 KB |
Output is correct |
| 32 |
Correct |
1 ms |
208 KB |
Output is correct |
| 33 |
Correct |
1 ms |
208 KB |
Output is correct |
| 34 |
Correct |
1 ms |
208 KB |
Output is correct |
| 35 |
Correct |
1 ms |
208 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
208 KB |
Output is correct |
| 2 |
Correct |
3 ms |
208 KB |
Output is correct |
| 3 |
Correct |
2 ms |
208 KB |
Output is correct |
| 4 |
Correct |
1 ms |
208 KB |
Output is correct |
| 5 |
Correct |
1 ms |
208 KB |
Output is correct |
| 6 |
Correct |
1 ms |
208 KB |
Output is correct |
| 7 |
Correct |
1 ms |
208 KB |
Output is correct |
| 8 |
Correct |
1 ms |
208 KB |
Output is correct |
| 9 |
Correct |
1 ms |
208 KB |
Output is correct |
| 10 |
Correct |
1 ms |
208 KB |
Output is correct |
| 11 |
Correct |
1 ms |
208 KB |
Output is correct |
| 12 |
Correct |
0 ms |
208 KB |
Output is correct |
| 13 |
Correct |
1 ms |
208 KB |
Output is correct |
| 14 |
Correct |
1 ms |
208 KB |
Output is correct |
| 15 |
Correct |
1 ms |
208 KB |
Output is correct |
| 16 |
Correct |
2 ms |
208 KB |
Output is correct |
| 17 |
Correct |
1 ms |
208 KB |
Output is correct |
| 18 |
Correct |
1 ms |
208 KB |
Output is correct |
| 19 |
Correct |
1 ms |
208 KB |
Output is correct |
| 20 |
Correct |
3 ms |
208 KB |
Output is correct |
| 21 |
Correct |
3 ms |
208 KB |
Output is correct |
| 22 |
Correct |
4 ms |
208 KB |
Output is correct |
| 23 |
Correct |
1 ms |
208 KB |
Output is correct |
| 24 |
Correct |
1 ms |
208 KB |
Output is correct |
| 25 |
Correct |
0 ms |
208 KB |
Output is correct |
| 26 |
Correct |
2 ms |
208 KB |
Output is correct |
| 27 |
Correct |
3 ms |
208 KB |
Output is correct |
| 28 |
Correct |
3 ms |
336 KB |
Output is correct |
| 29 |
Correct |
2 ms |
208 KB |
Output is correct |
| 30 |
Correct |
2 ms |
208 KB |
Output is correct |
| 31 |
Correct |
2 ms |
208 KB |
Output is correct |
| 32 |
Correct |
1 ms |
208 KB |
Output is correct |
| 33 |
Correct |
1 ms |
208 KB |
Output is correct |
| 34 |
Correct |
1 ms |
208 KB |
Output is correct |
| 35 |
Correct |
1 ms |
208 KB |
Output is correct |
| 36 |
Correct |
205 ms |
1196 KB |
Output is correct |
| 37 |
Correct |
385 ms |
1716 KB |
Output is correct |
| 38 |
Correct |
170 ms |
1556 KB |
Output is correct |
| 39 |
Correct |
48 ms |
1688 KB |
Output is correct |
| 40 |
Correct |
224 ms |
1440 KB |
Output is correct |
| 41 |
Correct |
2101 ms |
2064 KB |
Output is correct |
| 42 |
Correct |
20 ms |
1440 KB |
Output is correct |
| 43 |
Correct |
13 ms |
1812 KB |
Output is correct |
| 44 |
Correct |
10 ms |
1560 KB |
Output is correct |
| 45 |
Correct |
11 ms |
1440 KB |
Output is correct |
| 46 |
Correct |
14 ms |
1448 KB |
Output is correct |
| 47 |
Correct |
554 ms |
1744 KB |
Output is correct |
| 48 |
Correct |
301 ms |
1712 KB |
Output is correct |
| 49 |
Correct |
57 ms |
1436 KB |
Output is correct |
| 50 |
Correct |
10 ms |
1580 KB |
Output is correct |
| 51 |
Correct |
19 ms |
1700 KB |
Output is correct |
| 52 |
Execution timed out |
4033 ms |
2240 KB |
Time limit exceeded |
| 53 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
4072 ms |
1892 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
4035 ms |
820 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
208 KB |
Output is correct |
| 2 |
Correct |
3 ms |
208 KB |
Output is correct |
| 3 |
Correct |
2 ms |
208 KB |
Output is correct |
| 4 |
Correct |
1 ms |
208 KB |
Output is correct |
| 5 |
Correct |
1 ms |
208 KB |
Output is correct |
| 6 |
Correct |
1 ms |
208 KB |
Output is correct |
| 7 |
Correct |
1 ms |
208 KB |
Output is correct |
| 8 |
Correct |
1 ms |
208 KB |
Output is correct |
| 9 |
Correct |
1 ms |
208 KB |
Output is correct |
| 10 |
Correct |
1 ms |
208 KB |
Output is correct |
| 11 |
Correct |
1 ms |
208 KB |
Output is correct |
| 12 |
Correct |
0 ms |
208 KB |
Output is correct |
| 13 |
Correct |
1 ms |
208 KB |
Output is correct |
| 14 |
Correct |
1 ms |
208 KB |
Output is correct |
| 15 |
Correct |
1 ms |
208 KB |
Output is correct |
| 16 |
Correct |
2 ms |
208 KB |
Output is correct |
| 17 |
Correct |
1 ms |
208 KB |
Output is correct |
| 18 |
Correct |
1 ms |
208 KB |
Output is correct |
| 19 |
Correct |
1 ms |
208 KB |
Output is correct |
| 20 |
Correct |
3 ms |
208 KB |
Output is correct |
| 21 |
Correct |
3 ms |
208 KB |
Output is correct |
| 22 |
Correct |
4 ms |
208 KB |
Output is correct |
| 23 |
Correct |
1 ms |
208 KB |
Output is correct |
| 24 |
Correct |
1 ms |
208 KB |
Output is correct |
| 25 |
Correct |
0 ms |
208 KB |
Output is correct |
| 26 |
Correct |
2 ms |
208 KB |
Output is correct |
| 27 |
Correct |
3 ms |
208 KB |
Output is correct |
| 28 |
Correct |
3 ms |
336 KB |
Output is correct |
| 29 |
Correct |
2 ms |
208 KB |
Output is correct |
| 30 |
Correct |
2 ms |
208 KB |
Output is correct |
| 31 |
Correct |
2 ms |
208 KB |
Output is correct |
| 32 |
Correct |
1 ms |
208 KB |
Output is correct |
| 33 |
Correct |
1 ms |
208 KB |
Output is correct |
| 34 |
Correct |
1 ms |
208 KB |
Output is correct |
| 35 |
Correct |
1 ms |
208 KB |
Output is correct |
| 36 |
Correct |
205 ms |
1196 KB |
Output is correct |
| 37 |
Correct |
385 ms |
1716 KB |
Output is correct |
| 38 |
Correct |
170 ms |
1556 KB |
Output is correct |
| 39 |
Correct |
48 ms |
1688 KB |
Output is correct |
| 40 |
Correct |
224 ms |
1440 KB |
Output is correct |
| 41 |
Correct |
2101 ms |
2064 KB |
Output is correct |
| 42 |
Correct |
20 ms |
1440 KB |
Output is correct |
| 43 |
Correct |
13 ms |
1812 KB |
Output is correct |
| 44 |
Correct |
10 ms |
1560 KB |
Output is correct |
| 45 |
Correct |
11 ms |
1440 KB |
Output is correct |
| 46 |
Correct |
14 ms |
1448 KB |
Output is correct |
| 47 |
Correct |
554 ms |
1744 KB |
Output is correct |
| 48 |
Correct |
301 ms |
1712 KB |
Output is correct |
| 49 |
Correct |
57 ms |
1436 KB |
Output is correct |
| 50 |
Correct |
10 ms |
1580 KB |
Output is correct |
| 51 |
Correct |
19 ms |
1700 KB |
Output is correct |
| 52 |
Execution timed out |
4033 ms |
2240 KB |
Time limit exceeded |
| 53 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
4045 ms |
1456 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
