// In the name of the God
#include <bits/stdc++.h>
#define ll long long
#define int long long
#define pb push_back
#define F first
#define S second
#define mp make_pair
#define pii pair <int, int>
#define smin(x, y) (x) = min((x), (y))
#define smax(x, y) (x) = max((x), (y))
#define all(x) (x).begin(), (x).end()
using namespace std;
// #pragma GCC optimize("O3,unroll-loops")
// #pragma GCC target("avx2")
const int inf = 1e9+7;
const int mod = 998244353;
const int maxn = 2e5+5;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int n, q, s, t, a[maxn], d[maxn], seg[maxn*2];
int f(int x, int y) {
if (x < y) return -s*(y-x);
return t*(x-y);
}
void upd(int l, int r, int x) {
for (l += n+1, r += n+1; l < r; l /= 2, r /= 2) {
if (l&1) seg[l++] += x;
if (r&1) seg[--r] += x;
}
}
int get(int i) {
int res = 0;
for (i += n+1; i; i /= 2) res += seg[i];
return res;
}
int32_t main() {
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n >> q >> s >> t;
int ans = 0;
cin >> a[0];
for (int i = 1; i <= n; i++) {
cin >> a[i];
ans += (d[i] = f(a[i-1], a[i]));
}
while (q--) {
int l, r, x; cin >> l >> r >> x;
upd(l, r+1, x);
ans -= d[l]+d[r+1];
ans += (d[l] = f(a[l-1]+get(l-1), a[l]+get(l)));
if (r != n) ans += (d[r+1] = f(a[r]+get(r), a[r+1]+get(r+1)));
cout << ans << '\n';
// for (int i = 0; i <= n; i++) cout << a[i]+get(i) << ' ';
// cout << '\n';
}
return 0;
}
/*
srand(time(0));
cout << (rand()%1900) + 1 << ' ' << (rand()%2)+5 << '\n';
*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2396 KB |
Output is correct |
2 |
Correct |
3 ms |
2396 KB |
Output is correct |
3 |
Correct |
2 ms |
2652 KB |
Output is correct |
4 |
Correct |
1 ms |
2652 KB |
Output is correct |
5 |
Correct |
2 ms |
2652 KB |
Output is correct |
6 |
Correct |
2 ms |
2652 KB |
Output is correct |
7 |
Correct |
2 ms |
2652 KB |
Output is correct |
8 |
Correct |
1 ms |
2652 KB |
Output is correct |
9 |
Correct |
2 ms |
2652 KB |
Output is correct |
10 |
Correct |
2 ms |
2652 KB |
Output is correct |
11 |
Correct |
1 ms |
2664 KB |
Output is correct |
12 |
Correct |
2 ms |
2652 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
2 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2392 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2392 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
111 ms |
8020 KB |
Output is correct |
2 |
Correct |
147 ms |
8560 KB |
Output is correct |
3 |
Correct |
113 ms |
9220 KB |
Output is correct |
4 |
Correct |
119 ms |
14116 KB |
Output is correct |
5 |
Correct |
116 ms |
15116 KB |
Output is correct |
6 |
Correct |
79 ms |
14092 KB |
Output is correct |
7 |
Correct |
84 ms |
14116 KB |
Output is correct |
8 |
Correct |
115 ms |
14932 KB |
Output is correct |
9 |
Correct |
114 ms |
15296 KB |
Output is correct |
10 |
Correct |
125 ms |
14108 KB |
Output is correct |
11 |
Correct |
76 ms |
13996 KB |
Output is correct |
12 |
Correct |
77 ms |
14676 KB |
Output is correct |
13 |
Correct |
77 ms |
14932 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2396 KB |
Output is correct |
2 |
Correct |
3 ms |
2396 KB |
Output is correct |
3 |
Correct |
2 ms |
2652 KB |
Output is correct |
4 |
Correct |
1 ms |
2652 KB |
Output is correct |
5 |
Correct |
2 ms |
2652 KB |
Output is correct |
6 |
Correct |
2 ms |
2652 KB |
Output is correct |
7 |
Correct |
2 ms |
2652 KB |
Output is correct |
8 |
Correct |
1 ms |
2652 KB |
Output is correct |
9 |
Correct |
2 ms |
2652 KB |
Output is correct |
10 |
Correct |
2 ms |
2652 KB |
Output is correct |
11 |
Correct |
1 ms |
2664 KB |
Output is correct |
12 |
Correct |
2 ms |
2652 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
2 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2392 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2392 KB |
Output is correct |
22 |
Correct |
111 ms |
8020 KB |
Output is correct |
23 |
Correct |
147 ms |
8560 KB |
Output is correct |
24 |
Correct |
113 ms |
9220 KB |
Output is correct |
25 |
Correct |
119 ms |
14116 KB |
Output is correct |
26 |
Correct |
116 ms |
15116 KB |
Output is correct |
27 |
Correct |
79 ms |
14092 KB |
Output is correct |
28 |
Correct |
84 ms |
14116 KB |
Output is correct |
29 |
Correct |
115 ms |
14932 KB |
Output is correct |
30 |
Correct |
114 ms |
15296 KB |
Output is correct |
31 |
Correct |
125 ms |
14108 KB |
Output is correct |
32 |
Correct |
76 ms |
13996 KB |
Output is correct |
33 |
Correct |
77 ms |
14676 KB |
Output is correct |
34 |
Correct |
77 ms |
14932 KB |
Output is correct |
35 |
Correct |
115 ms |
13648 KB |
Output is correct |
36 |
Correct |
119 ms |
15020 KB |
Output is correct |
37 |
Correct |
126 ms |
15920 KB |
Output is correct |
38 |
Correct |
119 ms |
15716 KB |
Output is correct |
39 |
Correct |
130 ms |
15504 KB |
Output is correct |
40 |
Correct |
129 ms |
15880 KB |
Output is correct |
41 |
Correct |
139 ms |
15732 KB |
Output is correct |
42 |
Correct |
117 ms |
15444 KB |
Output is correct |
43 |
Correct |
127 ms |
15112 KB |
Output is correct |
44 |
Correct |
118 ms |
15148 KB |
Output is correct |
45 |
Correct |
115 ms |
15296 KB |
Output is correct |
46 |
Correct |
139 ms |
16352 KB |
Output is correct |
47 |
Correct |
80 ms |
14748 KB |
Output is correct |
48 |
Correct |
78 ms |
14704 KB |
Output is correct |
49 |
Correct |
146 ms |
13896 KB |
Output is correct |
50 |
Correct |
77 ms |
14420 KB |
Output is correct |
51 |
Correct |
90 ms |
14940 KB |
Output is correct |
52 |
Correct |
84 ms |
14620 KB |
Output is correct |