#include <bits/stdc++.h>
using namespace std;
const long long INF1 = 1000000000000;
const long long INF2 = 100000000000000;
struct lazy_segment_tree{
int N;
vector<long long> ST, lazy;
lazy_segment_tree(vector<long long> &A){
int N2 = A.size();
N = 1;
while (N < N2){
N *= 2;
}
ST = vector<long long>(N * 2 - 1, -INF2);
for (int i = 0; i < N2; i++){
ST[N - 1 + i] = A[i];
}
for (int i = N - 2; i >= 0; i--){
ST[i] = max(ST[i * 2 + 1], ST[i * 2 + 2]);
}
lazy = vector<long long>(N * 2 - 1, 0);
}
void eval(int i){
if (lazy[i] != 0){
if (i < N - 1){
lazy[i * 2 + 1] += lazy[i];
lazy[i * 2 + 2] += lazy[i];
}
ST[i] += lazy[i];
lazy[i] = 0;
}
}
void range_add(int L, int R, long long x, int i, int l, int r){
eval(i);
if (r <= L || R <= l){
} else if (L <= l && r <= R){
lazy[i] += x;
eval(i);
} else {
int m = (l + r) / 2;
range_add(L, R, x, i * 2 + 1, l, m);
range_add(L, R, x, i * 2 + 2, m, r);
ST[i] = max(ST[i * 2 + 1], ST[i * 2 + 2]);
}
}
void range_add(int L, int R, long long x){
range_add(L, R, x, 0, 0, N);
}
long long range_max(int L, int R, int i, int l, int r){
eval(i);
if (r <= L || R <= l){
return -INF2;
} else if (L <= l && r <= R){
return ST[i];
} else {
int m = (l + r) / 2;
return max(range_max(L, R, i * 2 + 1, l, m), range_max(L, R, i * 2 + 2, m, r));
}
}
long long range_max(int L, int R){
return range_max(L, R, 0, 0, N);
}
};
int main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
int N, M;
cin >> N >> M;
vector<long long> w(N);
for (int i = 0; i < N; i++){
cin >> w[i];
}
vector<int> l(M), r(M);
vector<long long> k(M);
for (int i = 0; i < M; i++){
cin >> l[i] >> r[i] >> k[i];
l[i]--;
}
vector<vector<int>> query(N);
for (int i = 0; i < M; i++){
query[l[i]].push_back(i);
}
lazy_segment_tree ST(w);
stack<int> st;
st.push(N);
vector<long long> mx(M, 0);
for (int i = N - 1; i >= 0; i--){
while (st.top() != N){
int p = st.top();
if (w[i] <= w[p]){
break;
}
st.pop();
int q = st.top();
ST.range_add(p, p + 1, INF1);
ST.range_add(p + 1, q, -w[p]);
}
int p = st.top();
ST.range_add(i, i + 1, -INF1);
ST.range_add(i + 1, p, w[i]);
st.push(i);
for (int j : query[i]){
mx[j] = ST.range_max(i, r[j]);
}
}
for (int i = 0; i < M; i++){
if (mx[i] <= k[i]){
cout << 1 << "\n";
} else {
cout << 0 << "\n";
}
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
2 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
2 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
3 ms |
468 KB |
Output is correct |
12 |
Correct |
7 ms |
852 KB |
Output is correct |
13 |
Correct |
9 ms |
884 KB |
Output is correct |
14 |
Correct |
12 ms |
852 KB |
Output is correct |
15 |
Correct |
9 ms |
852 KB |
Output is correct |
16 |
Correct |
7 ms |
852 KB |
Output is correct |
17 |
Correct |
5 ms |
724 KB |
Output is correct |
18 |
Correct |
9 ms |
852 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2957 ms |
107908 KB |
Output is correct |
2 |
Correct |
2990 ms |
119976 KB |
Output is correct |
3 |
Correct |
2944 ms |
119896 KB |
Output is correct |
4 |
Correct |
2850 ms |
120032 KB |
Output is correct |
5 |
Correct |
2171 ms |
124472 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
215 ms |
12096 KB |
Output is correct |
2 |
Correct |
182 ms |
11044 KB |
Output is correct |
3 |
Correct |
166 ms |
12148 KB |
Output is correct |
4 |
Correct |
143 ms |
12408 KB |
Output is correct |
5 |
Correct |
137 ms |
12412 KB |
Output is correct |
6 |
Correct |
117 ms |
10956 KB |
Output is correct |
7 |
Correct |
142 ms |
11004 KB |
Output is correct |
8 |
Correct |
165 ms |
11540 KB |
Output is correct |
9 |
Correct |
44 ms |
3344 KB |
Output is correct |
10 |
Correct |
176 ms |
11532 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
2 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
3 ms |
468 KB |
Output is correct |
12 |
Correct |
7 ms |
852 KB |
Output is correct |
13 |
Correct |
9 ms |
884 KB |
Output is correct |
14 |
Correct |
12 ms |
852 KB |
Output is correct |
15 |
Correct |
9 ms |
852 KB |
Output is correct |
16 |
Correct |
7 ms |
852 KB |
Output is correct |
17 |
Correct |
5 ms |
724 KB |
Output is correct |
18 |
Correct |
9 ms |
852 KB |
Output is correct |
19 |
Correct |
516 ms |
23852 KB |
Output is correct |
20 |
Correct |
515 ms |
23856 KB |
Output is correct |
21 |
Correct |
396 ms |
21528 KB |
Output is correct |
22 |
Correct |
412 ms |
21520 KB |
Output is correct |
23 |
Correct |
395 ms |
21512 KB |
Output is correct |
24 |
Correct |
279 ms |
22192 KB |
Output is correct |
25 |
Correct |
267 ms |
22200 KB |
Output is correct |
26 |
Correct |
328 ms |
22948 KB |
Output is correct |
27 |
Correct |
326 ms |
22972 KB |
Output is correct |
28 |
Correct |
337 ms |
23480 KB |
Output is correct |
29 |
Correct |
423 ms |
24600 KB |
Output is correct |
30 |
Correct |
407 ms |
24600 KB |
Output is correct |
31 |
Correct |
364 ms |
24596 KB |
Output is correct |
32 |
Correct |
367 ms |
24600 KB |
Output is correct |
33 |
Correct |
389 ms |
24528 KB |
Output is correct |
34 |
Correct |
258 ms |
21768 KB |
Output is correct |
35 |
Correct |
282 ms |
21744 KB |
Output is correct |
36 |
Correct |
295 ms |
21736 KB |
Output is correct |
37 |
Correct |
298 ms |
21780 KB |
Output is correct |
38 |
Correct |
271 ms |
21708 KB |
Output is correct |
39 |
Correct |
351 ms |
22824 KB |
Output is correct |
40 |
Correct |
243 ms |
16208 KB |
Output is correct |
41 |
Correct |
337 ms |
22768 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
2 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
3 ms |
468 KB |
Output is correct |
12 |
Correct |
7 ms |
852 KB |
Output is correct |
13 |
Correct |
9 ms |
884 KB |
Output is correct |
14 |
Correct |
12 ms |
852 KB |
Output is correct |
15 |
Correct |
9 ms |
852 KB |
Output is correct |
16 |
Correct |
7 ms |
852 KB |
Output is correct |
17 |
Correct |
5 ms |
724 KB |
Output is correct |
18 |
Correct |
9 ms |
852 KB |
Output is correct |
19 |
Correct |
2957 ms |
107908 KB |
Output is correct |
20 |
Correct |
2990 ms |
119976 KB |
Output is correct |
21 |
Correct |
2944 ms |
119896 KB |
Output is correct |
22 |
Correct |
2850 ms |
120032 KB |
Output is correct |
23 |
Correct |
2171 ms |
124472 KB |
Output is correct |
24 |
Correct |
215 ms |
12096 KB |
Output is correct |
25 |
Correct |
182 ms |
11044 KB |
Output is correct |
26 |
Correct |
166 ms |
12148 KB |
Output is correct |
27 |
Correct |
143 ms |
12408 KB |
Output is correct |
28 |
Correct |
137 ms |
12412 KB |
Output is correct |
29 |
Correct |
117 ms |
10956 KB |
Output is correct |
30 |
Correct |
142 ms |
11004 KB |
Output is correct |
31 |
Correct |
165 ms |
11540 KB |
Output is correct |
32 |
Correct |
44 ms |
3344 KB |
Output is correct |
33 |
Correct |
176 ms |
11532 KB |
Output is correct |
34 |
Correct |
516 ms |
23852 KB |
Output is correct |
35 |
Correct |
515 ms |
23856 KB |
Output is correct |
36 |
Correct |
396 ms |
21528 KB |
Output is correct |
37 |
Correct |
412 ms |
21520 KB |
Output is correct |
38 |
Correct |
395 ms |
21512 KB |
Output is correct |
39 |
Correct |
279 ms |
22192 KB |
Output is correct |
40 |
Correct |
267 ms |
22200 KB |
Output is correct |
41 |
Correct |
328 ms |
22948 KB |
Output is correct |
42 |
Correct |
326 ms |
22972 KB |
Output is correct |
43 |
Correct |
337 ms |
23480 KB |
Output is correct |
44 |
Correct |
423 ms |
24600 KB |
Output is correct |
45 |
Correct |
407 ms |
24600 KB |
Output is correct |
46 |
Correct |
364 ms |
24596 KB |
Output is correct |
47 |
Correct |
367 ms |
24600 KB |
Output is correct |
48 |
Correct |
389 ms |
24528 KB |
Output is correct |
49 |
Correct |
258 ms |
21768 KB |
Output is correct |
50 |
Correct |
282 ms |
21744 KB |
Output is correct |
51 |
Correct |
295 ms |
21736 KB |
Output is correct |
52 |
Correct |
298 ms |
21780 KB |
Output is correct |
53 |
Correct |
271 ms |
21708 KB |
Output is correct |
54 |
Correct |
351 ms |
22824 KB |
Output is correct |
55 |
Correct |
243 ms |
16208 KB |
Output is correct |
56 |
Correct |
337 ms |
22768 KB |
Output is correct |
57 |
Correct |
2982 ms |
143352 KB |
Output is correct |
58 |
Correct |
2890 ms |
143412 KB |
Output is correct |
59 |
Correct |
2652 ms |
137788 KB |
Output is correct |
60 |
Correct |
2708 ms |
137660 KB |
Output is correct |
61 |
Correct |
2428 ms |
137676 KB |
Output is correct |
62 |
Correct |
2459 ms |
137676 KB |
Output is correct |
63 |
Correct |
1395 ms |
131372 KB |
Output is correct |
64 |
Correct |
1356 ms |
131384 KB |
Output is correct |
65 |
Correct |
1768 ms |
140956 KB |
Output is correct |
66 |
Correct |
1849 ms |
141012 KB |
Output is correct |
67 |
Correct |
1789 ms |
141540 KB |
Output is correct |
68 |
Correct |
1937 ms |
147528 KB |
Output is correct |
69 |
Correct |
1941 ms |
147572 KB |
Output is correct |
70 |
Correct |
1941 ms |
146892 KB |
Output is correct |
71 |
Correct |
1961 ms |
146572 KB |
Output is correct |
72 |
Correct |
1934 ms |
146792 KB |
Output is correct |
73 |
Correct |
1289 ms |
129220 KB |
Output is correct |
74 |
Correct |
1367 ms |
130084 KB |
Output is correct |
75 |
Correct |
1376 ms |
129144 KB |
Output is correct |
76 |
Correct |
1353 ms |
129256 KB |
Output is correct |
77 |
Correct |
1369 ms |
129180 KB |
Output is correct |
78 |
Correct |
1884 ms |
132672 KB |
Output is correct |
79 |
Correct |
1160 ms |
93196 KB |
Output is correct |
80 |
Correct |
2013 ms |
129088 KB |
Output is correct |