#include <bits/stdc++.h>
#define ll long long
#define int long long
#define pb push_back
#define F first
#define S second
using namespace std;
const long long N = 3e5+10;
const long long mod = 1e9+7;
const long long inf = 1e18;
struct fenwick {
vector<int>fenw;
void build(int n) {
fenw.resize(n+1);
}
void update(int index,int n,int val) {
while(index <= n) {
fenw[index] += val;
index += index & -index;
}
}
int get(int x) {
int ret = 0;
while(x >= 1) {
ret += fenw[x];
x -= x & -x;
}
return ret;
}
};
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
int n,Q,s,t,smT=0,smS=0;
cin >> n >> Q >> s >> t;
vector<int>a(n+1);
fenwick ft;
ft.build(n);
for(int i=0;i<=n;i++) {
cin >> a[i];
if(i > 0) {
ft.update(i,n,a[i]);
ft.update(i+1,n,-a[i]);
if(a[i-1] < a[i]) smS += a[i-1]-a[i];
else smT += a[i-1]-a[i];
}
}
/*while(Q--) {
int l,r,x;
cin >> l >> r >> x;
for(int i=l;i<=r;i++) a[i] += x;
int res = 0;
for(int i=1;i<=n;i++) {
if(a[i-1] < a[i]) res += (a[i-1]-a[i])*s;
else res += (a[i-1]-a[i])*t;
}
cout << res << '\n';
}*/
//cout << smS << ' ' << smT << endl;
while(Q--) {
int l,r,x;
cin >> l >> r >> x;
int raz = ft.get(l-1)-ft.get(l);
int raz2=0,raz2_posle=0;
if(r+1 <= n) raz2 = ft.get(r)-ft.get(r+1);
ft.update(l,n,x);
ft.update(r+1,n,-x);
int raz_posle = ft.get(l-1)-ft.get(l);
if(raz >= 0 && raz_posle >= 0) {
// cout << "prvi1" << endl;
smT -= raz;
smT += raz_posle;
}
if(raz < 0 && raz_posle < 0) {
// cout << "drugi1" << endl;
smS -= raz;
smS += raz_posle;
}
if(raz >= 0 && raz_posle < 0) {
// cout << "treci1" << endl;
smT -= raz;
smS += raz_posle;
}
if(raz < 0 && raz_posle >= 0) {
// cout << "cetvrti1" << endl;
smS -= raz;
smT += raz_posle;
}
if(r+1 <= n) raz2_posle = ft.get(r)-ft.get(r+1);
if(raz2 >= 0 && raz2_posle >= 0 && r+1 <= n) {
// cout << "prvi2" << endl;
smT -= raz2;
smT += raz2_posle;
}
if(raz2 < 0 && raz2_posle < 0 && r+1 <= n) {
//// cout << "drugi2" << endl;
smS -= raz2;
smS += raz2_posle;
}
if(raz2 >= 0 && raz2_posle < 0 && r+1 <= n) {
// cout << "drugi3" << endl;
smT -= raz2;
smS += raz2_posle;
}
if(raz2 < 0 && raz2_posle >= 0 && r+1 <= n) {
/// cout << "drugi4" << endl;
smS -= raz2;
smT += raz2_posle;
}
cout << smS*s+smT*t << '\n';
//cout << "dbg" << endl;
//for(int i=1;i<=n;i++) cout << ft.get(i) << ' ';
//cout << endl;
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
2 ms |
340 KB |
Output is correct |
4 |
Correct |
2 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
400 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
2 ms |
396 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
2 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
412 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
320 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
138 ms |
10312 KB |
Output is correct |
2 |
Correct |
106 ms |
10868 KB |
Output is correct |
3 |
Correct |
106 ms |
11436 KB |
Output is correct |
4 |
Correct |
113 ms |
10816 KB |
Output is correct |
5 |
Correct |
106 ms |
12052 KB |
Output is correct |
6 |
Correct |
77 ms |
10992 KB |
Output is correct |
7 |
Correct |
111 ms |
10956 KB |
Output is correct |
8 |
Correct |
107 ms |
11860 KB |
Output is correct |
9 |
Correct |
111 ms |
12124 KB |
Output is correct |
10 |
Correct |
102 ms |
10852 KB |
Output is correct |
11 |
Correct |
81 ms |
10892 KB |
Output is correct |
12 |
Correct |
75 ms |
11700 KB |
Output is correct |
13 |
Correct |
96 ms |
11884 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
2 ms |
340 KB |
Output is correct |
4 |
Correct |
2 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
400 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
2 ms |
396 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
2 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
412 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
320 KB |
Output is correct |
22 |
Correct |
138 ms |
10312 KB |
Output is correct |
23 |
Correct |
106 ms |
10868 KB |
Output is correct |
24 |
Correct |
106 ms |
11436 KB |
Output is correct |
25 |
Correct |
113 ms |
10816 KB |
Output is correct |
26 |
Correct |
106 ms |
12052 KB |
Output is correct |
27 |
Correct |
77 ms |
10992 KB |
Output is correct |
28 |
Correct |
111 ms |
10956 KB |
Output is correct |
29 |
Correct |
107 ms |
11860 KB |
Output is correct |
30 |
Correct |
111 ms |
12124 KB |
Output is correct |
31 |
Correct |
102 ms |
10852 KB |
Output is correct |
32 |
Correct |
81 ms |
10892 KB |
Output is correct |
33 |
Correct |
75 ms |
11700 KB |
Output is correct |
34 |
Correct |
96 ms |
11884 KB |
Output is correct |
35 |
Correct |
127 ms |
10352 KB |
Output is correct |
36 |
Correct |
113 ms |
11920 KB |
Output is correct |
37 |
Correct |
107 ms |
12664 KB |
Output is correct |
38 |
Correct |
119 ms |
12468 KB |
Output is correct |
39 |
Correct |
107 ms |
12412 KB |
Output is correct |
40 |
Correct |
108 ms |
12472 KB |
Output is correct |
41 |
Correct |
107 ms |
12268 KB |
Output is correct |
42 |
Correct |
109 ms |
12344 KB |
Output is correct |
43 |
Correct |
110 ms |
11616 KB |
Output is correct |
44 |
Correct |
109 ms |
11972 KB |
Output is correct |
45 |
Correct |
109 ms |
12088 KB |
Output is correct |
46 |
Correct |
115 ms |
13132 KB |
Output is correct |
47 |
Correct |
77 ms |
11672 KB |
Output is correct |
48 |
Correct |
82 ms |
11672 KB |
Output is correct |
49 |
Correct |
98 ms |
10676 KB |
Output is correct |
50 |
Correct |
76 ms |
11516 KB |
Output is correct |
51 |
Correct |
79 ms |
11916 KB |
Output is correct |
52 |
Correct |
93 ms |
11596 KB |
Output is correct |