#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ull unsigned long long
#define ld long double
#define fi first
#define se second
ll a[200005], diff[200005];
int main() {
ios_base::sync_with_stdio(false); cin.tie(NULL);
int n, q;
cin >> n >> q;
ll s, t;
cin >> s >> t;
s = -s, t = -t;
ll ans = 0;
for (int i = 0; i <= n; i++) cin >> a[i];
for (int i = 1; i <= n; i++) {
diff[i] = a[i] - a[i - 1];
if (diff[i] > 0) ans += s * diff[i];
else ans += t * diff[i];
}
while (q--) {
int l, r;
ll x;
cin >> l >> r >> x;
if (r == n) {
if (diff[l] > 0) ans -= s * diff[l];
else ans -= t * diff[l];
diff[l] += x;
if (diff[l] > 0) ans += s * diff[l];
else ans += t * diff[l];
cout << ans << "\n";
continue;
}
if (diff[l] > 0) ans -= s * diff[l];
else ans -= t * diff[l];
if (diff[r + 1] > 0) ans -= s * diff[r + 1];
else ans -= t * diff[r + 1];
diff[l] += x, diff[r + 1] -= x;
if (diff[l] > 0) ans += s * diff[l];
else ans += t * diff[l];
if (diff[r + 1] > 0) ans += s * diff[r + 1];
else ans += t * diff[r + 1];
cout << ans << "\n";
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
2 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
2 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 |
2 ms |
328 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
1 ms |
336 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
0 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
324 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
79 ms |
8908 KB |
Output is correct |
2 |
Correct |
82 ms |
10892 KB |
Output is correct |
3 |
Correct |
79 ms |
11464 KB |
Output is correct |
4 |
Correct |
77 ms |
10812 KB |
Output is correct |
5 |
Correct |
77 ms |
12000 KB |
Output is correct |
6 |
Correct |
68 ms |
11072 KB |
Output is correct |
7 |
Correct |
69 ms |
10908 KB |
Output is correct |
8 |
Correct |
79 ms |
11776 KB |
Output is correct |
9 |
Correct |
80 ms |
12176 KB |
Output is correct |
10 |
Correct |
78 ms |
10888 KB |
Output is correct |
11 |
Correct |
65 ms |
10900 KB |
Output is correct |
12 |
Correct |
80 ms |
11684 KB |
Output is correct |
13 |
Correct |
68 ms |
11812 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
2 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
2 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 |
2 ms |
328 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
1 ms |
336 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
0 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
324 KB |
Output is correct |
22 |
Correct |
79 ms |
8908 KB |
Output is correct |
23 |
Correct |
82 ms |
10892 KB |
Output is correct |
24 |
Correct |
79 ms |
11464 KB |
Output is correct |
25 |
Correct |
77 ms |
10812 KB |
Output is correct |
26 |
Correct |
77 ms |
12000 KB |
Output is correct |
27 |
Correct |
68 ms |
11072 KB |
Output is correct |
28 |
Correct |
69 ms |
10908 KB |
Output is correct |
29 |
Correct |
79 ms |
11776 KB |
Output is correct |
30 |
Correct |
80 ms |
12176 KB |
Output is correct |
31 |
Correct |
78 ms |
10888 KB |
Output is correct |
32 |
Correct |
65 ms |
10900 KB |
Output is correct |
33 |
Correct |
80 ms |
11684 KB |
Output is correct |
34 |
Correct |
68 ms |
11812 KB |
Output is correct |
35 |
Correct |
77 ms |
10420 KB |
Output is correct |
36 |
Correct |
85 ms |
11780 KB |
Output is correct |
37 |
Correct |
82 ms |
12620 KB |
Output is correct |
38 |
Correct |
80 ms |
12348 KB |
Output is correct |
39 |
Correct |
84 ms |
12380 KB |
Output is correct |
40 |
Correct |
88 ms |
12332 KB |
Output is correct |
41 |
Correct |
80 ms |
12192 KB |
Output is correct |
42 |
Correct |
81 ms |
12348 KB |
Output is correct |
43 |
Correct |
79 ms |
11596 KB |
Output is correct |
44 |
Correct |
102 ms |
11980 KB |
Output is correct |
45 |
Correct |
75 ms |
12056 KB |
Output is correct |
46 |
Correct |
87 ms |
13144 KB |
Output is correct |
47 |
Correct |
70 ms |
11596 KB |
Output is correct |
48 |
Correct |
69 ms |
11680 KB |
Output is correct |
49 |
Correct |
73 ms |
10620 KB |
Output is correct |
50 |
Correct |
80 ms |
11464 KB |
Output is correct |
51 |
Correct |
84 ms |
11828 KB |
Output is correct |
52 |
Correct |
67 ms |
11668 KB |
Output is correct |