#include <bits/stdc++.h>
using namespace std;
int n, q;
int w[1000005], L[1000005], blocking[1000005];
int ST[1000005][20], up[1000005][20], val[1000005][20];
stack <pair <int, int> > S;
int Query(int l, int r)
{
if(l > r)
{
return 0;
}
int temp = L[r - l + 1];
return max(ST[l][temp], ST[r - (1 << temp) + 1][temp]);
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
cin >> n >> q;
L[0] = -1;
for(int i = 1; i <= n; i++)
{
L[i] = L[i >> 1] + 1;
cin >> w[i];
ST[i][0] = w[i];
}
for(int i = 1; i < 20; i++)
{
for(int j = 1; j + (1 << i) <= n + 1; j++)
{
ST[j][i] = max(ST[j][i - 1], ST[j + (1 << (i - 1))][i - 1]);
}
}
for(int i = n; i >= 1; i--)
{
while(S.empty() == false && S.top().first < w[i])
{
S.pop();
}
if(S.empty())
{
up[i][0] = n + 1;
if(Query(i + 1, n) == 0)
{
val[i][0] = 0;
}
else
{
val[i][0] = Query(i + 1, n) + w[i];
}
}
else
{
up[i][0] = S.top().second;
if(Query(i + 1, S.top().second - 1) == 0)
{
val[i][0] = 0;
}
else
{
val[i][0] = Query(i + 1, S.top().second - 1) + w[i];
}
}
S.push(make_pair(w[i], i));
}
up[n + 1][0] = n + 1;
val[n + 1][0] = 0;
for(int i = 1; i < 20; i++)
{
up[n + 1][i] = n + 1;
for(int j = n; j >= 1; j--)
{
up[j][i] = up[up[j][i - 1]][i - 1];
val[j][i] = max(val[j][i - 1], val[up[j][i - 1]][i - 1]);
}
}
while(q--)
{
int l, r, x;
cin >> l >> r >> x;
int tmp = 0;
for(int i = 19; i >= 0; i--)
{
if(up[l][i] <= r)
{
tmp = max(tmp, val[l][i]);
l = up[l][i];
}
}
if(Query(l + 1, r) != 0)
{
tmp = max(tmp, Query(l + 1, r) + w[l]);
}
if(tmp > x)
{
cout << 0 << '\n';
}
else
{
cout << 1 << '\n';
}
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
492 KB |
Output is correct |
7 |
Correct |
1 ms |
492 KB |
Output is correct |
8 |
Correct |
1 ms |
492 KB |
Output is correct |
9 |
Correct |
1 ms |
508 KB |
Output is correct |
10 |
Correct |
1 ms |
492 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
492 KB |
Output is correct |
7 |
Correct |
1 ms |
492 KB |
Output is correct |
8 |
Correct |
1 ms |
492 KB |
Output is correct |
9 |
Correct |
1 ms |
508 KB |
Output is correct |
10 |
Correct |
1 ms |
492 KB |
Output is correct |
11 |
Correct |
2 ms |
748 KB |
Output is correct |
12 |
Correct |
3 ms |
1516 KB |
Output is correct |
13 |
Correct |
4 ms |
1644 KB |
Output is correct |
14 |
Correct |
5 ms |
1772 KB |
Output is correct |
15 |
Correct |
5 ms |
1772 KB |
Output is correct |
16 |
Correct |
5 ms |
1772 KB |
Output is correct |
17 |
Correct |
4 ms |
1516 KB |
Output is correct |
18 |
Correct |
4 ms |
1772 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1633 ms |
249928 KB |
Output is correct |
2 |
Correct |
1680 ms |
262144 KB |
Output is correct |
3 |
Correct |
1649 ms |
262144 KB |
Output is correct |
4 |
Correct |
1651 ms |
262144 KB |
Output is correct |
5 |
Correct |
2568 ms |
262144 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
161 ms |
24940 KB |
Output is correct |
2 |
Correct |
117 ms |
26964 KB |
Output is correct |
3 |
Correct |
181 ms |
27628 KB |
Output is correct |
4 |
Correct |
186 ms |
27884 KB |
Output is correct |
5 |
Correct |
186 ms |
27628 KB |
Output is correct |
6 |
Correct |
114 ms |
27372 KB |
Output is correct |
7 |
Correct |
113 ms |
27500 KB |
Output is correct |
8 |
Correct |
144 ms |
26988 KB |
Output is correct |
9 |
Correct |
43 ms |
2028 KB |
Output is correct |
10 |
Correct |
139 ms |
26988 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
492 KB |
Output is correct |
7 |
Correct |
1 ms |
492 KB |
Output is correct |
8 |
Correct |
1 ms |
492 KB |
Output is correct |
9 |
Correct |
1 ms |
508 KB |
Output is correct |
10 |
Correct |
1 ms |
492 KB |
Output is correct |
11 |
Correct |
2 ms |
748 KB |
Output is correct |
12 |
Correct |
3 ms |
1516 KB |
Output is correct |
13 |
Correct |
4 ms |
1644 KB |
Output is correct |
14 |
Correct |
5 ms |
1772 KB |
Output is correct |
15 |
Correct |
5 ms |
1772 KB |
Output is correct |
16 |
Correct |
5 ms |
1772 KB |
Output is correct |
17 |
Correct |
4 ms |
1516 KB |
Output is correct |
18 |
Correct |
4 ms |
1772 KB |
Output is correct |
19 |
Correct |
314 ms |
56028 KB |
Output is correct |
20 |
Correct |
303 ms |
55916 KB |
Output is correct |
21 |
Correct |
267 ms |
55916 KB |
Output is correct |
22 |
Correct |
268 ms |
55788 KB |
Output is correct |
23 |
Correct |
264 ms |
55788 KB |
Output is correct |
24 |
Correct |
351 ms |
57324 KB |
Output is correct |
25 |
Correct |
344 ms |
57452 KB |
Output is correct |
26 |
Correct |
403 ms |
57580 KB |
Output is correct |
27 |
Correct |
413 ms |
57580 KB |
Output is correct |
28 |
Correct |
440 ms |
57580 KB |
Output is correct |
29 |
Correct |
427 ms |
57580 KB |
Output is correct |
30 |
Correct |
431 ms |
57708 KB |
Output is correct |
31 |
Correct |
435 ms |
57708 KB |
Output is correct |
32 |
Correct |
436 ms |
57580 KB |
Output is correct |
33 |
Correct |
441 ms |
57708 KB |
Output is correct |
34 |
Correct |
262 ms |
57196 KB |
Output is correct |
35 |
Correct |
305 ms |
57196 KB |
Output is correct |
36 |
Correct |
250 ms |
57012 KB |
Output is correct |
37 |
Correct |
254 ms |
56940 KB |
Output is correct |
38 |
Correct |
265 ms |
57196 KB |
Output is correct |
39 |
Correct |
370 ms |
55660 KB |
Output is correct |
40 |
Correct |
279 ms |
38080 KB |
Output is correct |
41 |
Correct |
320 ms |
54692 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
492 KB |
Output is correct |
7 |
Correct |
1 ms |
492 KB |
Output is correct |
8 |
Correct |
1 ms |
492 KB |
Output is correct |
9 |
Correct |
1 ms |
508 KB |
Output is correct |
10 |
Correct |
1 ms |
492 KB |
Output is correct |
11 |
Correct |
2 ms |
748 KB |
Output is correct |
12 |
Correct |
3 ms |
1516 KB |
Output is correct |
13 |
Correct |
4 ms |
1644 KB |
Output is correct |
14 |
Correct |
5 ms |
1772 KB |
Output is correct |
15 |
Correct |
5 ms |
1772 KB |
Output is correct |
16 |
Correct |
5 ms |
1772 KB |
Output is correct |
17 |
Correct |
4 ms |
1516 KB |
Output is correct |
18 |
Correct |
4 ms |
1772 KB |
Output is correct |
19 |
Correct |
1633 ms |
249928 KB |
Output is correct |
20 |
Correct |
1680 ms |
262144 KB |
Output is correct |
21 |
Correct |
1649 ms |
262144 KB |
Output is correct |
22 |
Correct |
1651 ms |
262144 KB |
Output is correct |
23 |
Correct |
2568 ms |
262144 KB |
Output is correct |
24 |
Correct |
161 ms |
24940 KB |
Output is correct |
25 |
Correct |
117 ms |
26964 KB |
Output is correct |
26 |
Correct |
181 ms |
27628 KB |
Output is correct |
27 |
Correct |
186 ms |
27884 KB |
Output is correct |
28 |
Correct |
186 ms |
27628 KB |
Output is correct |
29 |
Correct |
114 ms |
27372 KB |
Output is correct |
30 |
Correct |
113 ms |
27500 KB |
Output is correct |
31 |
Correct |
144 ms |
26988 KB |
Output is correct |
32 |
Correct |
43 ms |
2028 KB |
Output is correct |
33 |
Correct |
139 ms |
26988 KB |
Output is correct |
34 |
Correct |
314 ms |
56028 KB |
Output is correct |
35 |
Correct |
303 ms |
55916 KB |
Output is correct |
36 |
Correct |
267 ms |
55916 KB |
Output is correct |
37 |
Correct |
268 ms |
55788 KB |
Output is correct |
38 |
Correct |
264 ms |
55788 KB |
Output is correct |
39 |
Correct |
351 ms |
57324 KB |
Output is correct |
40 |
Correct |
344 ms |
57452 KB |
Output is correct |
41 |
Correct |
403 ms |
57580 KB |
Output is correct |
42 |
Correct |
413 ms |
57580 KB |
Output is correct |
43 |
Correct |
440 ms |
57580 KB |
Output is correct |
44 |
Correct |
427 ms |
57580 KB |
Output is correct |
45 |
Correct |
431 ms |
57708 KB |
Output is correct |
46 |
Correct |
435 ms |
57708 KB |
Output is correct |
47 |
Correct |
436 ms |
57580 KB |
Output is correct |
48 |
Correct |
441 ms |
57708 KB |
Output is correct |
49 |
Correct |
262 ms |
57196 KB |
Output is correct |
50 |
Correct |
305 ms |
57196 KB |
Output is correct |
51 |
Correct |
250 ms |
57012 KB |
Output is correct |
52 |
Correct |
254 ms |
56940 KB |
Output is correct |
53 |
Correct |
265 ms |
57196 KB |
Output is correct |
54 |
Correct |
370 ms |
55660 KB |
Output is correct |
55 |
Correct |
279 ms |
38080 KB |
Output is correct |
56 |
Correct |
320 ms |
54692 KB |
Output is correct |
57 |
Correct |
1695 ms |
262144 KB |
Output is correct |
58 |
Correct |
1689 ms |
262144 KB |
Output is correct |
59 |
Correct |
1639 ms |
262144 KB |
Output is correct |
60 |
Correct |
1642 ms |
262144 KB |
Output is correct |
61 |
Correct |
1644 ms |
262144 KB |
Output is correct |
62 |
Correct |
1630 ms |
262144 KB |
Output is correct |
63 |
Correct |
1913 ms |
262144 KB |
Output is correct |
64 |
Correct |
1927 ms |
262144 KB |
Output is correct |
65 |
Correct |
2543 ms |
262144 KB |
Output is correct |
66 |
Correct |
2565 ms |
262144 KB |
Output is correct |
67 |
Correct |
2600 ms |
262144 KB |
Output is correct |
68 |
Correct |
2520 ms |
262144 KB |
Output is correct |
69 |
Correct |
2527 ms |
262144 KB |
Output is correct |
70 |
Correct |
2572 ms |
262144 KB |
Output is correct |
71 |
Correct |
2570 ms |
262144 KB |
Output is correct |
72 |
Correct |
2580 ms |
262144 KB |
Output is correct |
73 |
Correct |
1414 ms |
262144 KB |
Output is correct |
74 |
Correct |
1456 ms |
262144 KB |
Output is correct |
75 |
Correct |
1407 ms |
262144 KB |
Output is correct |
76 |
Correct |
1400 ms |
262144 KB |
Output is correct |
77 |
Correct |
1447 ms |
262144 KB |
Output is correct |
78 |
Correct |
2144 ms |
262144 KB |
Output is correct |
79 |
Correct |
1413 ms |
155628 KB |
Output is correct |
80 |
Correct |
1859 ms |
262144 KB |
Output is correct |