#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
using ll = long long;
using vi = vector<int>;
using vll = vector<ll>;
const ll INF = 1'000'000'000'000LL;
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int N, M;
cin >> N >> M;
vll w(1+N, 0);
for(int i = 1; i <= N; i++) cin >> w[i];
vi p(1+N);
w[0] = INF;
vector<int> st{0};
for(int i = 1; i <= N; i++)
{
while(w[st.back()] <= w[i]) st.pop_back(); //wrong?
p[i] = st.back();
st.push_back(i);
}
vi l(1+M), r(1+M), k(1+M);
vi rq[1+N];
for(int q = 1; q <= M; q++)
{
cin >> l[q] >> r[q] >> k[q];
rq[r[q]].push_back(q);
}
const int sn = (1<<20);
vll mx(int(sn<<1), 0);
int ans[1+M];
for(int i = 1; i <= N; i++)
{
ll val = w[i] + w[p[i]];
mx[ sn + p[i] ] = max(mx[ sn + p[i] ], val);
for(int j = (sn + p[i]) >> 1; j >= 1; j >>= 1)
mx[j] = max(mx[2*j], mx[2*j+1]);
for(int q: rq[i])
{
int x = sn + l[q];
int y = sn + i + 1;
ll res = 0;
while(x < y)
{
if(x % 2 == 1)
{
res = max(res, mx[x]);
x++;
}
if(y % 2 == 1)
{
y--;
res = max(res, mx[y]);
}
x >>= 1;
y >>= 1;
}
ans[q] = (res <= k[q]);
}
}
for(int q = 1; q <= M; q++) cout << ans[q] << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
16712 KB |
Output is correct |
2 |
Correct |
7 ms |
16728 KB |
Output is correct |
3 |
Correct |
8 ms |
16716 KB |
Output is correct |
4 |
Correct |
7 ms |
16716 KB |
Output is correct |
5 |
Correct |
7 ms |
16672 KB |
Output is correct |
6 |
Correct |
7 ms |
16716 KB |
Output is correct |
7 |
Correct |
8 ms |
16716 KB |
Output is correct |
8 |
Correct |
8 ms |
16716 KB |
Output is correct |
9 |
Correct |
8 ms |
16716 KB |
Output is correct |
10 |
Correct |
8 ms |
16716 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
16712 KB |
Output is correct |
2 |
Correct |
7 ms |
16728 KB |
Output is correct |
3 |
Correct |
8 ms |
16716 KB |
Output is correct |
4 |
Correct |
7 ms |
16716 KB |
Output is correct |
5 |
Correct |
7 ms |
16672 KB |
Output is correct |
6 |
Correct |
7 ms |
16716 KB |
Output is correct |
7 |
Correct |
8 ms |
16716 KB |
Output is correct |
8 |
Correct |
8 ms |
16716 KB |
Output is correct |
9 |
Correct |
8 ms |
16716 KB |
Output is correct |
10 |
Correct |
8 ms |
16716 KB |
Output is correct |
11 |
Correct |
12 ms |
16856 KB |
Output is correct |
12 |
Correct |
9 ms |
16972 KB |
Output is correct |
13 |
Correct |
10 ms |
16920 KB |
Output is correct |
14 |
Correct |
16 ms |
17036 KB |
Output is correct |
15 |
Correct |
11 ms |
17084 KB |
Output is correct |
16 |
Correct |
10 ms |
16972 KB |
Output is correct |
17 |
Correct |
11 ms |
16972 KB |
Output is correct |
18 |
Correct |
9 ms |
16972 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1166 ms |
87572 KB |
Output is correct |
2 |
Correct |
1125 ms |
87472 KB |
Output is correct |
3 |
Correct |
1165 ms |
87480 KB |
Output is correct |
4 |
Correct |
1146 ms |
87484 KB |
Output is correct |
5 |
Correct |
1266 ms |
87556 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
72 ms |
23560 KB |
Output is correct |
2 |
Correct |
68 ms |
22852 KB |
Output is correct |
3 |
Correct |
79 ms |
23308 KB |
Output is correct |
4 |
Correct |
87 ms |
23532 KB |
Output is correct |
5 |
Correct |
87 ms |
23620 KB |
Output is correct |
6 |
Correct |
74 ms |
22524 KB |
Output is correct |
7 |
Correct |
77 ms |
22520 KB |
Output is correct |
8 |
Correct |
75 ms |
23500 KB |
Output is correct |
9 |
Correct |
40 ms |
19008 KB |
Output is correct |
10 |
Correct |
90 ms |
23488 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
16712 KB |
Output is correct |
2 |
Correct |
7 ms |
16728 KB |
Output is correct |
3 |
Correct |
8 ms |
16716 KB |
Output is correct |
4 |
Correct |
7 ms |
16716 KB |
Output is correct |
5 |
Correct |
7 ms |
16672 KB |
Output is correct |
6 |
Correct |
7 ms |
16716 KB |
Output is correct |
7 |
Correct |
8 ms |
16716 KB |
Output is correct |
8 |
Correct |
8 ms |
16716 KB |
Output is correct |
9 |
Correct |
8 ms |
16716 KB |
Output is correct |
10 |
Correct |
8 ms |
16716 KB |
Output is correct |
11 |
Correct |
12 ms |
16856 KB |
Output is correct |
12 |
Correct |
9 ms |
16972 KB |
Output is correct |
13 |
Correct |
10 ms |
16920 KB |
Output is correct |
14 |
Correct |
16 ms |
17036 KB |
Output is correct |
15 |
Correct |
11 ms |
17084 KB |
Output is correct |
16 |
Correct |
10 ms |
16972 KB |
Output is correct |
17 |
Correct |
11 ms |
16972 KB |
Output is correct |
18 |
Correct |
9 ms |
16972 KB |
Output is correct |
19 |
Correct |
183 ms |
30548 KB |
Output is correct |
20 |
Correct |
176 ms |
30412 KB |
Output is correct |
21 |
Correct |
152 ms |
28832 KB |
Output is correct |
22 |
Correct |
145 ms |
28744 KB |
Output is correct |
23 |
Correct |
150 ms |
28788 KB |
Output is correct |
24 |
Correct |
157 ms |
28596 KB |
Output is correct |
25 |
Correct |
164 ms |
28572 KB |
Output is correct |
26 |
Correct |
179 ms |
29292 KB |
Output is correct |
27 |
Correct |
180 ms |
29344 KB |
Output is correct |
28 |
Correct |
168 ms |
29580 KB |
Output is correct |
29 |
Correct |
180 ms |
30484 KB |
Output is correct |
30 |
Correct |
192 ms |
30548 KB |
Output is correct |
31 |
Correct |
188 ms |
30440 KB |
Output is correct |
32 |
Correct |
193 ms |
30392 KB |
Output is correct |
33 |
Correct |
183 ms |
30352 KB |
Output is correct |
34 |
Correct |
148 ms |
28376 KB |
Output is correct |
35 |
Correct |
146 ms |
28340 KB |
Output is correct |
36 |
Correct |
166 ms |
28500 KB |
Output is correct |
37 |
Correct |
149 ms |
28484 KB |
Output is correct |
38 |
Correct |
146 ms |
28328 KB |
Output is correct |
39 |
Correct |
190 ms |
30168 KB |
Output is correct |
40 |
Correct |
131 ms |
27400 KB |
Output is correct |
41 |
Correct |
146 ms |
30308 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
16712 KB |
Output is correct |
2 |
Correct |
7 ms |
16728 KB |
Output is correct |
3 |
Correct |
8 ms |
16716 KB |
Output is correct |
4 |
Correct |
7 ms |
16716 KB |
Output is correct |
5 |
Correct |
7 ms |
16672 KB |
Output is correct |
6 |
Correct |
7 ms |
16716 KB |
Output is correct |
7 |
Correct |
8 ms |
16716 KB |
Output is correct |
8 |
Correct |
8 ms |
16716 KB |
Output is correct |
9 |
Correct |
8 ms |
16716 KB |
Output is correct |
10 |
Correct |
8 ms |
16716 KB |
Output is correct |
11 |
Correct |
12 ms |
16856 KB |
Output is correct |
12 |
Correct |
9 ms |
16972 KB |
Output is correct |
13 |
Correct |
10 ms |
16920 KB |
Output is correct |
14 |
Correct |
16 ms |
17036 KB |
Output is correct |
15 |
Correct |
11 ms |
17084 KB |
Output is correct |
16 |
Correct |
10 ms |
16972 KB |
Output is correct |
17 |
Correct |
11 ms |
16972 KB |
Output is correct |
18 |
Correct |
9 ms |
16972 KB |
Output is correct |
19 |
Correct |
1166 ms |
87572 KB |
Output is correct |
20 |
Correct |
1125 ms |
87472 KB |
Output is correct |
21 |
Correct |
1165 ms |
87480 KB |
Output is correct |
22 |
Correct |
1146 ms |
87484 KB |
Output is correct |
23 |
Correct |
1266 ms |
87556 KB |
Output is correct |
24 |
Correct |
72 ms |
23560 KB |
Output is correct |
25 |
Correct |
68 ms |
22852 KB |
Output is correct |
26 |
Correct |
79 ms |
23308 KB |
Output is correct |
27 |
Correct |
87 ms |
23532 KB |
Output is correct |
28 |
Correct |
87 ms |
23620 KB |
Output is correct |
29 |
Correct |
74 ms |
22524 KB |
Output is correct |
30 |
Correct |
77 ms |
22520 KB |
Output is correct |
31 |
Correct |
75 ms |
23500 KB |
Output is correct |
32 |
Correct |
40 ms |
19008 KB |
Output is correct |
33 |
Correct |
90 ms |
23488 KB |
Output is correct |
34 |
Correct |
183 ms |
30548 KB |
Output is correct |
35 |
Correct |
176 ms |
30412 KB |
Output is correct |
36 |
Correct |
152 ms |
28832 KB |
Output is correct |
37 |
Correct |
145 ms |
28744 KB |
Output is correct |
38 |
Correct |
150 ms |
28788 KB |
Output is correct |
39 |
Correct |
157 ms |
28596 KB |
Output is correct |
40 |
Correct |
164 ms |
28572 KB |
Output is correct |
41 |
Correct |
179 ms |
29292 KB |
Output is correct |
42 |
Correct |
180 ms |
29344 KB |
Output is correct |
43 |
Correct |
168 ms |
29580 KB |
Output is correct |
44 |
Correct |
180 ms |
30484 KB |
Output is correct |
45 |
Correct |
192 ms |
30548 KB |
Output is correct |
46 |
Correct |
188 ms |
30440 KB |
Output is correct |
47 |
Correct |
193 ms |
30392 KB |
Output is correct |
48 |
Correct |
183 ms |
30352 KB |
Output is correct |
49 |
Correct |
148 ms |
28376 KB |
Output is correct |
50 |
Correct |
146 ms |
28340 KB |
Output is correct |
51 |
Correct |
166 ms |
28500 KB |
Output is correct |
52 |
Correct |
149 ms |
28484 KB |
Output is correct |
53 |
Correct |
146 ms |
28328 KB |
Output is correct |
54 |
Correct |
190 ms |
30168 KB |
Output is correct |
55 |
Correct |
131 ms |
27400 KB |
Output is correct |
56 |
Correct |
146 ms |
30308 KB |
Output is correct |
57 |
Correct |
1212 ms |
85752 KB |
Output is correct |
58 |
Correct |
1096 ms |
85740 KB |
Output is correct |
59 |
Correct |
1065 ms |
81652 KB |
Output is correct |
60 |
Correct |
1039 ms |
82220 KB |
Output is correct |
61 |
Correct |
1092 ms |
87408 KB |
Output is correct |
62 |
Correct |
1100 ms |
90592 KB |
Output is correct |
63 |
Correct |
876 ms |
80972 KB |
Output is correct |
64 |
Correct |
845 ms |
81844 KB |
Output is correct |
65 |
Correct |
1173 ms |
89832 KB |
Output is correct |
66 |
Correct |
1182 ms |
98892 KB |
Output is correct |
67 |
Correct |
1211 ms |
83572 KB |
Output is correct |
68 |
Correct |
1265 ms |
104916 KB |
Output is correct |
69 |
Correct |
1171 ms |
103520 KB |
Output is correct |
70 |
Correct |
1241 ms |
96996 KB |
Output is correct |
71 |
Correct |
1235 ms |
99628 KB |
Output is correct |
72 |
Correct |
1192 ms |
104512 KB |
Output is correct |
73 |
Correct |
858 ms |
86724 KB |
Output is correct |
74 |
Correct |
1002 ms |
93924 KB |
Output is correct |
75 |
Correct |
914 ms |
92544 KB |
Output is correct |
76 |
Correct |
855 ms |
86092 KB |
Output is correct |
77 |
Correct |
915 ms |
89228 KB |
Output is correct |
78 |
Correct |
1149 ms |
94676 KB |
Output is correct |
79 |
Correct |
833 ms |
68676 KB |
Output is correct |
80 |
Correct |
1118 ms |
94312 KB |
Output is correct |