// Source: https://usaco.guide/general/io
#include <bits/stdc++.h>
#define lf (h << 1)
#define mf ((l + r) >> 1)
#define rf ((h << 1) | 1)
#define tree int h, int l, int r
#define left lf, l, mf
#define right rf, mf + 1, r
#define ll long long
#define f first
#define s second
using namespace std;
const int N = 3e5 + 5;
int n, m, q, L, R, id;
ll S, C, vl, a[N], b[N];
struct node {
int ans;
int len;
int fr;
int ls;
int pr;
int sf;
ll add;
ll sum;
ll toggle;
bool flag;
node () {
toggle = 0;
flag = 0;
sum = 0;
ans = 0;
len = 0;
add = 0;
fr = 0;
ls = 0;
pr = 0;
sf = 0;
}
};
node v[4 * N], bs;
node mrg(node a, node b) {
node c;
c.len = a.len + b.len;
c.fr = a.fr, c.ls = b.ls;
c.pr = a.pr, c.sf = b.sf;
c.ans = max(a.ans, b.ans);
c.sum = a.sum + b.sum;
if (a.ls == b.fr) {
if (a.len == c.pr) c.pr += b.pr;
if (b.len == c.sf) c.sf += a.sf;
c.ans = max(c.ans, a.sf + b.pr);
}
return c;
}
void shift(tree) {
if (v[h].flag) {
//assert(v[h].add == 0);
ll x = v[h].toggle;
v[lf].sum = (mf - l + 1) * x, v[rf].sum = (r - mf) * x;
v[lf].fr = v[lf].ls = v[rf].fr = v[rf].ls = x;
v[lf].ans = v[lf].pr = v[lf].sf = mf - l + 1;
v[rf].ans = v[rf].pr = v[rf].sf = r - mf;
v[lf].toggle = v[rf].toggle = x;
v[lf].flag = v[rf].flag = true;
v[lf].add = v[rf].add = false;
v[h].toggle = v[h].flag = 0;
return ;
}
if (v[h].add) {
ll x = v[h].add;
//assert(v[h].flag == 0);
//assert(v[h].toggle == 0);
v[lf].fr += x, v[lf].ls += x;
v[rf].fr += x, v[rf].ls += x;
v[lf].sum += (mf - l + 1) * x, v[rf].sum += (r - mf) * x;
if (v[lf].flag) v[lf].toggle += v[h].add;
else v[lf].add += v[h].add;
if (v[rf].flag) v[rf].toggle += v[h].add;
else v[rf].add += v[h].add;
v[h].add = 0;
return ;
}
}
void build(tree) {
if (l == r) {
v[h].pr = v[h].sf = v[h].len = v[h].ans = 1;
v[h].fr = v[h].ls = v[h].sum = b[l];
return ;
}
build(left), build(right);
v[h] = mrg(v[lf], v[rf]);
}
void up_range(tree) {
if (R < l || r < L) return ;
if (L <= l && r <= R) {
v[h].fr += C, v[h].ls += C;
v[h].sum += (r - l + 1) * C;
if (v[h].flag) v[h].toggle += C;
else v[h].add += C;
return;
}
shift(h, l, r);
up_range(left);
up_range(right);
v[h] = mrg(v[lf], v[rf]);
}
void up_dot(tree) {
if (l == r) {
v[h].pr = v[h].sf = v[h].len = v[h].ans = 1;
v[h].fr = v[h].ls = v[h].sum = b[l];
return;
}
shift(h, l, r);
if (id <= mf) {
up_dot(left);
}
else {
up_dot(right);
}
v[h] = mrg(v[lf], v[rf]);
}
void up_to_range(tree) {
if (r < L || R < l) return ;
if (L <= l && r <= R) {
v[h].ans = v[h].pr = v[h].sf = r - l + 1;
v[h].toggle = v[h].fr = v[h].ls = C;
v[h].sum = (r - l + 1) * C;
v[h].flag = true;
v[h].add = 0;
return;
}
shift(h, l, r);
up_to_range(left);
up_to_range(right);
v[h] = mrg(v[lf], v[rf]);
}
ll get_avl(tree, int id) {
if (r < 1 || id < l) return 0;
if (1 <= l && r <= id) return v[h].sum;
shift(h, l, r);
return get_avl(left, id) + get_avl(right, id);
}
ll get_vl(tree) {
if (l == r) return v[h].fr;
shift(h, l, r);
if (id <= mf) {
return get_vl(left);
}
return get_vl(right);
}
node get(tree) {
if (r < L || R < l) return bs;
if (L <= l && r <= R) return v[h];
shift(h, l, r);
return mrg(get(left), get(right));
}
ll Avl(int x) {
return a[1] + get_avl(1, 1, m, x - 1);
}
int main() {
ios::sync_with_stdio(false);
cin.tie(NULL);
cin >> n >> q;
for (int i = 1; i <= n; ++i) {
cin >> a[i];
if (1 < i) {
b[i - 1] = a[i] - a[i - 1];
}
}
m = n + 1;
build(1, 1, m);
for (int i = 1; i <= q; ++i) {
int tp;
cin >> tp >> L >> R;
if (tp == 1) {
cin >> S >> C;
if (L == 1) a[1] += S;
--R, up_range(1, 1, m), ++R;
if (1 < L) {
id = L - 1;
vl = get_vl(1, 1, m);
b[id] = vl + S;
up_dot(1, 1, m);
}
if (R < n) {
id = R;
vl = get_vl(1 , 1, m);
b[id] = vl - (S + (R - L) * C);
up_dot(1, 1, m);
}
}
else
if (tp == 2) {
cin >> S >> C;
if (L == 1) a[1] = S;
if (1 < L) {
id = L - 1;
b[id] = S - Avl(id);
up_dot(1, 1, m);
}
--R, up_to_range(1, 1, m), ++R;
if (R < n) {
id = R;
b[id] = Avl(id + 1) - (S + (R - L) * C);
up_dot(1, 1, m);
}
}
else
if (tp == 3) {
--R; cout << get(1 , 1, m).ans + 1 << "\n";
}
}
}
/*
S + (i − L) × C.
S + i * C - L * C
(S - L * C) + i * C
b[i] = a[i + 1] - a[i]
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
231 ms |
71396 KB |
Output is correct |
2 |
Correct |
122 ms |
66372 KB |
Output is correct |
3 |
Correct |
125 ms |
66288 KB |
Output is correct |
4 |
Correct |
129 ms |
66336 KB |
Output is correct |
5 |
Correct |
122 ms |
66380 KB |
Output is correct |
6 |
Correct |
123 ms |
66376 KB |
Output is correct |
7 |
Correct |
123 ms |
66372 KB |
Output is correct |
8 |
Correct |
28 ms |
65952 KB |
Output is correct |
9 |
Correct |
30 ms |
65992 KB |
Output is correct |
10 |
Correct |
34 ms |
66072 KB |
Output is correct |
11 |
Correct |
230 ms |
71376 KB |
Output is correct |
12 |
Correct |
231 ms |
71300 KB |
Output is correct |
13 |
Correct |
235 ms |
71568 KB |
Output is correct |
14 |
Correct |
236 ms |
71700 KB |
Output is correct |
15 |
Correct |
231 ms |
71560 KB |
Output is correct |
16 |
Correct |
250 ms |
71288 KB |
Output is correct |
17 |
Correct |
232 ms |
71256 KB |
Output is correct |
18 |
Correct |
231 ms |
71260 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
30 ms |
66000 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
295 ms |
71768 KB |
Output is correct |
2 |
Correct |
116 ms |
66640 KB |
Output is correct |
3 |
Correct |
127 ms |
66688 KB |
Output is correct |
4 |
Correct |
107 ms |
66656 KB |
Output is correct |
5 |
Correct |
144 ms |
66692 KB |
Output is correct |
6 |
Correct |
117 ms |
66668 KB |
Output is correct |
7 |
Correct |
122 ms |
66728 KB |
Output is correct |
8 |
Correct |
29 ms |
66072 KB |
Output is correct |
9 |
Correct |
31 ms |
66004 KB |
Output is correct |
10 |
Correct |
29 ms |
66004 KB |
Output is correct |
11 |
Correct |
305 ms |
71508 KB |
Output is correct |
12 |
Correct |
276 ms |
71824 KB |
Output is correct |
13 |
Correct |
300 ms |
71556 KB |
Output is correct |
14 |
Correct |
293 ms |
71608 KB |
Output is correct |
15 |
Correct |
292 ms |
71720 KB |
Output is correct |
16 |
Correct |
302 ms |
72104 KB |
Output is correct |
17 |
Correct |
317 ms |
72028 KB |
Output is correct |
18 |
Correct |
296 ms |
72168 KB |
Output is correct |
19 |
Correct |
278 ms |
71524 KB |
Output is correct |
20 |
Correct |
288 ms |
71388 KB |
Output is correct |
21 |
Correct |
280 ms |
71348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
584 ms |
71040 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
295 ms |
71768 KB |
Output is correct |
2 |
Correct |
116 ms |
66640 KB |
Output is correct |
3 |
Correct |
127 ms |
66688 KB |
Output is correct |
4 |
Correct |
107 ms |
66656 KB |
Output is correct |
5 |
Correct |
144 ms |
66692 KB |
Output is correct |
6 |
Correct |
117 ms |
66668 KB |
Output is correct |
7 |
Correct |
122 ms |
66728 KB |
Output is correct |
8 |
Correct |
29 ms |
66072 KB |
Output is correct |
9 |
Correct |
31 ms |
66004 KB |
Output is correct |
10 |
Correct |
29 ms |
66004 KB |
Output is correct |
11 |
Correct |
305 ms |
71508 KB |
Output is correct |
12 |
Correct |
276 ms |
71824 KB |
Output is correct |
13 |
Correct |
300 ms |
71556 KB |
Output is correct |
14 |
Correct |
293 ms |
71608 KB |
Output is correct |
15 |
Correct |
292 ms |
71720 KB |
Output is correct |
16 |
Correct |
302 ms |
72104 KB |
Output is correct |
17 |
Correct |
317 ms |
72028 KB |
Output is correct |
18 |
Correct |
296 ms |
72168 KB |
Output is correct |
19 |
Correct |
278 ms |
71524 KB |
Output is correct |
20 |
Correct |
288 ms |
71388 KB |
Output is correct |
21 |
Correct |
280 ms |
71348 KB |
Output is correct |
22 |
Correct |
691 ms |
71232 KB |
Output is correct |
23 |
Correct |
167 ms |
66360 KB |
Output is correct |
24 |
Correct |
162 ms |
66264 KB |
Output is correct |
25 |
Correct |
164 ms |
66256 KB |
Output is correct |
26 |
Correct |
163 ms |
66368 KB |
Output is correct |
27 |
Correct |
163 ms |
66264 KB |
Output is correct |
28 |
Correct |
176 ms |
66340 KB |
Output is correct |
29 |
Correct |
28 ms |
65992 KB |
Output is correct |
30 |
Correct |
28 ms |
66080 KB |
Output is correct |
31 |
Correct |
28 ms |
66040 KB |
Output is correct |
32 |
Correct |
690 ms |
71148 KB |
Output is correct |
33 |
Correct |
767 ms |
71244 KB |
Output is correct |
34 |
Correct |
697 ms |
71196 KB |
Output is correct |
35 |
Correct |
732 ms |
71292 KB |
Output is correct |
36 |
Correct |
547 ms |
71416 KB |
Output is correct |
37 |
Correct |
550 ms |
71504 KB |
Output is correct |
38 |
Correct |
535 ms |
71500 KB |
Output is correct |
39 |
Correct |
684 ms |
71088 KB |
Output is correct |
40 |
Correct |
755 ms |
71292 KB |
Output is correct |
41 |
Correct |
705 ms |
71160 KB |
Output is correct |
42 |
Correct |
706 ms |
71248 KB |
Output is correct |
43 |
Correct |
688 ms |
71224 KB |
Output is correct |
44 |
Correct |
667 ms |
71060 KB |
Output is correct |
45 |
Correct |
721 ms |
71180 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
231 ms |
71396 KB |
Output is correct |
2 |
Correct |
122 ms |
66372 KB |
Output is correct |
3 |
Correct |
125 ms |
66288 KB |
Output is correct |
4 |
Correct |
129 ms |
66336 KB |
Output is correct |
5 |
Correct |
122 ms |
66380 KB |
Output is correct |
6 |
Correct |
123 ms |
66376 KB |
Output is correct |
7 |
Correct |
123 ms |
66372 KB |
Output is correct |
8 |
Correct |
28 ms |
65952 KB |
Output is correct |
9 |
Correct |
30 ms |
65992 KB |
Output is correct |
10 |
Correct |
34 ms |
66072 KB |
Output is correct |
11 |
Correct |
230 ms |
71376 KB |
Output is correct |
12 |
Correct |
231 ms |
71300 KB |
Output is correct |
13 |
Correct |
235 ms |
71568 KB |
Output is correct |
14 |
Correct |
236 ms |
71700 KB |
Output is correct |
15 |
Correct |
231 ms |
71560 KB |
Output is correct |
16 |
Correct |
250 ms |
71288 KB |
Output is correct |
17 |
Correct |
232 ms |
71256 KB |
Output is correct |
18 |
Correct |
231 ms |
71260 KB |
Output is correct |
19 |
Incorrect |
30 ms |
66000 KB |
Output isn't correct |
20 |
Halted |
0 ms |
0 KB |
- |