#include <bits/stdc++.h>
#define int long long
using namespace std;
int a[200001];
int d[200001];
main () {
int n, q, s, t;
cin >> n >> q >> s >> t;
for (int i = 0;i <= n;i ++) cin >> a[i];
int cur = 0;
for (int i = 1;i <= n;i ++) {
int len = abs (a[i] - a[i - 1]);
if (a[i] > a[i - 1]) {
cur -= len * s;
}
else cur += len * t;
}
// cout << cur << endl;
while (q --) {
int l, r, x;
cin >> l >> r >> x;
if (r != n) {
int X = a[r];
a[r] += d[r];
if (a[r] < a[r + 1]) {
cur += s * (a[r + 1] - a[r]);
}
else cur -= t * (a[r] - a[r + 1]);
d[r] += x;
a[r] += x;
if (a[r] < a[r + 1]) {
cur -= s * (a[r + 1] - a[r]);
}
else cur += t * (a[r] - a[r + 1]);
a[r] = X;
}
// cout << cur << endl;
int X = a[l - 1];
a[l - 1] += d[l - 1];
if (a[l - 1] < a[l]) {
cur += s * (a[l] - a[l - 1]);
}
else cur -= t * (a[l - 1] - a[l]);
d[l - 1] -= x;
a[l - 1] -= x;
if (a[l - 1] < a[l]) {
cur -= s * (a[l] - a[l - 1]);
}
else cur += t * (a[l - 1] - a[l]);
a[l - 1] = X;
cout << cur << endl;
}
return 0;
}
Compilation message
foehn_phenomena.cpp:10:8: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
main () {
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
376 KB |
Output is correct |
| 2 |
Correct |
8 ms |
488 KB |
Output is correct |
| 3 |
Correct |
10 ms |
560 KB |
Output is correct |
| 4 |
Correct |
10 ms |
560 KB |
Output is correct |
| 5 |
Correct |
9 ms |
560 KB |
Output is correct |
| 6 |
Correct |
9 ms |
560 KB |
Output is correct |
| 7 |
Correct |
9 ms |
560 KB |
Output is correct |
| 8 |
Correct |
8 ms |
560 KB |
Output is correct |
| 9 |
Correct |
9 ms |
560 KB |
Output is correct |
| 10 |
Correct |
10 ms |
560 KB |
Output is correct |
| 11 |
Correct |
9 ms |
560 KB |
Output is correct |
| 12 |
Correct |
10 ms |
564 KB |
Output is correct |
| 13 |
Correct |
9 ms |
628 KB |
Output is correct |
| 14 |
Correct |
8 ms |
684 KB |
Output is correct |
| 15 |
Correct |
8 ms |
684 KB |
Output is correct |
| 16 |
Correct |
12 ms |
812 KB |
Output is correct |
| 17 |
Correct |
8 ms |
812 KB |
Output is correct |
| 18 |
Correct |
9 ms |
812 KB |
Output is correct |
| 19 |
Correct |
3 ms |
812 KB |
Output is correct |
| 20 |
Correct |
2 ms |
812 KB |
Output is correct |
| 21 |
Correct |
4 ms |
812 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
714 ms |
5340 KB |
Output is correct |
| 2 |
Correct |
728 ms |
6080 KB |
Output is correct |
| 3 |
Correct |
766 ms |
6604 KB |
Output is correct |
| 4 |
Correct |
764 ms |
6604 KB |
Output is correct |
| 5 |
Correct |
797 ms |
6604 KB |
Output is correct |
| 6 |
Correct |
698 ms |
6604 KB |
Output is correct |
| 7 |
Correct |
623 ms |
6604 KB |
Output is correct |
| 8 |
Correct |
784 ms |
6864 KB |
Output is correct |
| 9 |
Correct |
696 ms |
7192 KB |
Output is correct |
| 10 |
Correct |
702 ms |
7192 KB |
Output is correct |
| 11 |
Correct |
595 ms |
7192 KB |
Output is correct |
| 12 |
Correct |
697 ms |
7192 KB |
Output is correct |
| 13 |
Correct |
696 ms |
7192 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
376 KB |
Output is correct |
| 2 |
Correct |
8 ms |
488 KB |
Output is correct |
| 3 |
Correct |
10 ms |
560 KB |
Output is correct |
| 4 |
Correct |
10 ms |
560 KB |
Output is correct |
| 5 |
Correct |
9 ms |
560 KB |
Output is correct |
| 6 |
Correct |
9 ms |
560 KB |
Output is correct |
| 7 |
Correct |
9 ms |
560 KB |
Output is correct |
| 8 |
Correct |
8 ms |
560 KB |
Output is correct |
| 9 |
Correct |
9 ms |
560 KB |
Output is correct |
| 10 |
Correct |
10 ms |
560 KB |
Output is correct |
| 11 |
Correct |
9 ms |
560 KB |
Output is correct |
| 12 |
Correct |
10 ms |
564 KB |
Output is correct |
| 13 |
Correct |
9 ms |
628 KB |
Output is correct |
| 14 |
Correct |
8 ms |
684 KB |
Output is correct |
| 15 |
Correct |
8 ms |
684 KB |
Output is correct |
| 16 |
Correct |
12 ms |
812 KB |
Output is correct |
| 17 |
Correct |
8 ms |
812 KB |
Output is correct |
| 18 |
Correct |
9 ms |
812 KB |
Output is correct |
| 19 |
Correct |
3 ms |
812 KB |
Output is correct |
| 20 |
Correct |
2 ms |
812 KB |
Output is correct |
| 21 |
Correct |
4 ms |
812 KB |
Output is correct |
| 22 |
Correct |
714 ms |
5340 KB |
Output is correct |
| 23 |
Correct |
728 ms |
6080 KB |
Output is correct |
| 24 |
Correct |
766 ms |
6604 KB |
Output is correct |
| 25 |
Correct |
764 ms |
6604 KB |
Output is correct |
| 26 |
Correct |
797 ms |
6604 KB |
Output is correct |
| 27 |
Correct |
698 ms |
6604 KB |
Output is correct |
| 28 |
Correct |
623 ms |
6604 KB |
Output is correct |
| 29 |
Correct |
784 ms |
6864 KB |
Output is correct |
| 30 |
Correct |
696 ms |
7192 KB |
Output is correct |
| 31 |
Correct |
702 ms |
7192 KB |
Output is correct |
| 32 |
Correct |
595 ms |
7192 KB |
Output is correct |
| 33 |
Correct |
697 ms |
7192 KB |
Output is correct |
| 34 |
Correct |
696 ms |
7192 KB |
Output is correct |
| 35 |
Correct |
742 ms |
7192 KB |
Output is correct |
| 36 |
Correct |
743 ms |
7192 KB |
Output is correct |
| 37 |
Correct |
780 ms |
7628 KB |
Output is correct |
| 38 |
Correct |
759 ms |
7628 KB |
Output is correct |
| 39 |
Correct |
721 ms |
7628 KB |
Output is correct |
| 40 |
Correct |
676 ms |
7628 KB |
Output is correct |
| 41 |
Correct |
729 ms |
7628 KB |
Output is correct |
| 42 |
Correct |
708 ms |
7628 KB |
Output is correct |
| 43 |
Correct |
682 ms |
7628 KB |
Output is correct |
| 44 |
Correct |
710 ms |
7628 KB |
Output is correct |
| 45 |
Correct |
778 ms |
7628 KB |
Output is correct |
| 46 |
Correct |
761 ms |
7628 KB |
Output is correct |
| 47 |
Correct |
664 ms |
7628 KB |
Output is correct |
| 48 |
Correct |
647 ms |
7628 KB |
Output is correct |
| 49 |
Correct |
745 ms |
7628 KB |
Output is correct |
| 50 |
Correct |
701 ms |
7628 KB |
Output is correct |
| 51 |
Correct |
726 ms |
7628 KB |
Output is correct |
| 52 |
Correct |
614 ms |
7628 KB |
Output is correct |
