#include<bits/stdc++.h>
#define int long long
#define fr first
#define sc second
#define pow powl
using namespace std;
const int MAX = 2e5+5;
const int MOD = 1e9+7;
const int MIX = 1e15+9;
int cold,hot,sum=0;
int bl[MAX];
struct tree{
int sz=1;
vector<int> vec;
void sout(){
for(auto i : vec){
cout<<i<<' ';
}
}
void full(int n){
while(sz<n){
sz*=2;
}
vec.assign(sz*2-1,0);
}
void add(int L, int R, int v){
add(L, R, v, 0, sz-1, 0);
}
void add(int L, int R, int v, int lr, int rl, int x){
if(lr>=L && rl<=R){
vec[x]+=v;
return;
}
if(rl<L || lr>R){
return;
}
int mid=(rl+lr)/2;
add(L, R, v, mid+(rl+lr)%2, rl, x*2+2);
add(L, R, v, lr, mid, x*2+1);
}
int take(int ps){
return take(ps, 0, sz, 0, 0);
}
int take(int ps, int lr, int rl, int x, int op){
if(rl-lr==1){
return vec[x]+op;
}
int mid=(rl+lr)/2;
if(mid<=ps){
return take(ps, mid+(rl+lr)%2, rl, x*2+2, op+vec[x]);
}
else{
return take(ps, lr, mid, x*2+1, op+vec[x]);
}
}
};
void solve(){
tree tr;
int n,q;
cin>>n>>q>>cold>>hot;
tr.full(n+1);
int a[n+1];
for(int i=0;i<=n;i++){
cin>>a[i];
tr.add(i,i,a[i]);
}
for(int i=1;i<=n;i++){
if(a[i]>a[i-1]){
sum-=(a[i]-a[i-1])*cold;
bl[i-1]-=(a[i]-a[i-1])*cold;
}
else{
sum+=(a[i-1]-a[i])*hot;
bl[i-1]=(a[i-1]-a[i])*hot;
}
}
// cout<<sum<<endl;
// tr.sout();
while(q--){
int l, r, u;
cin>>l>>r>>u;
tr.add(l, r, u);
if(l!=0){
int x1=tr.take(l-1),x2=tr.take(l);
// cout<<x1<<' '<<x2<<' ';
sum-=bl[l-1];
if(x2>x1){
bl[l-1]=-(x2-x1)*cold;
}
else{
bl[l-1]=(x1-x2)*hot;
}
sum+=bl[l-1];
}
if(r!=n){
int x1=tr.take(r),x2=tr.take(r+1);
// cout<<x1<<' '<<x2<<' ';
sum-=bl[r];
if(x2>x1){
bl[r]=-(x2-x1)*cold;
}
else{
bl[r]=(x1-x2)*hot;
}
sum+=bl[r];
}
cout<<sum<<endl;
}
}
signed main()
{
int t=1;
// cin>>t;
while(t --){
solve();
// cout<<endl;
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
344 KB |
Output is correct |
2 |
Correct |
5 ms |
348 KB |
Output is correct |
3 |
Correct |
5 ms |
348 KB |
Output is correct |
4 |
Correct |
5 ms |
348 KB |
Output is correct |
5 |
Correct |
5 ms |
580 KB |
Output is correct |
6 |
Correct |
5 ms |
348 KB |
Output is correct |
7 |
Correct |
6 ms |
348 KB |
Output is correct |
8 |
Correct |
5 ms |
348 KB |
Output is correct |
9 |
Correct |
6 ms |
344 KB |
Output is correct |
10 |
Correct |
7 ms |
348 KB |
Output is correct |
11 |
Correct |
5 ms |
564 KB |
Output is correct |
12 |
Correct |
5 ms |
348 KB |
Output is correct |
13 |
Correct |
5 ms |
348 KB |
Output is correct |
14 |
Correct |
4 ms |
348 KB |
Output is correct |
15 |
Correct |
5 ms |
560 KB |
Output is correct |
16 |
Correct |
4 ms |
344 KB |
Output is correct |
17 |
Correct |
4 ms |
348 KB |
Output is correct |
18 |
Correct |
5 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
444 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
528 ms |
14452 KB |
Output is correct |
2 |
Correct |
587 ms |
15056 KB |
Output is correct |
3 |
Correct |
595 ms |
15508 KB |
Output is correct |
4 |
Correct |
564 ms |
14928 KB |
Output is correct |
5 |
Correct |
567 ms |
16208 KB |
Output is correct |
6 |
Correct |
462 ms |
15188 KB |
Output is correct |
7 |
Correct |
424 ms |
15048 KB |
Output is correct |
8 |
Correct |
589 ms |
16208 KB |
Output is correct |
9 |
Correct |
544 ms |
16212 KB |
Output is correct |
10 |
Correct |
550 ms |
14928 KB |
Output is correct |
11 |
Correct |
454 ms |
14932 KB |
Output is correct |
12 |
Correct |
434 ms |
15700 KB |
Output is correct |
13 |
Correct |
418 ms |
15984 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
344 KB |
Output is correct |
2 |
Correct |
5 ms |
348 KB |
Output is correct |
3 |
Correct |
5 ms |
348 KB |
Output is correct |
4 |
Correct |
5 ms |
348 KB |
Output is correct |
5 |
Correct |
5 ms |
580 KB |
Output is correct |
6 |
Correct |
5 ms |
348 KB |
Output is correct |
7 |
Correct |
6 ms |
348 KB |
Output is correct |
8 |
Correct |
5 ms |
348 KB |
Output is correct |
9 |
Correct |
6 ms |
344 KB |
Output is correct |
10 |
Correct |
7 ms |
348 KB |
Output is correct |
11 |
Correct |
5 ms |
564 KB |
Output is correct |
12 |
Correct |
5 ms |
348 KB |
Output is correct |
13 |
Correct |
5 ms |
348 KB |
Output is correct |
14 |
Correct |
4 ms |
348 KB |
Output is correct |
15 |
Correct |
5 ms |
560 KB |
Output is correct |
16 |
Correct |
4 ms |
344 KB |
Output is correct |
17 |
Correct |
4 ms |
348 KB |
Output is correct |
18 |
Correct |
5 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
444 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
528 ms |
14452 KB |
Output is correct |
23 |
Correct |
587 ms |
15056 KB |
Output is correct |
24 |
Correct |
595 ms |
15508 KB |
Output is correct |
25 |
Correct |
564 ms |
14928 KB |
Output is correct |
26 |
Correct |
567 ms |
16208 KB |
Output is correct |
27 |
Correct |
462 ms |
15188 KB |
Output is correct |
28 |
Correct |
424 ms |
15048 KB |
Output is correct |
29 |
Correct |
589 ms |
16208 KB |
Output is correct |
30 |
Correct |
544 ms |
16212 KB |
Output is correct |
31 |
Correct |
550 ms |
14928 KB |
Output is correct |
32 |
Correct |
454 ms |
14932 KB |
Output is correct |
33 |
Correct |
434 ms |
15700 KB |
Output is correct |
34 |
Correct |
418 ms |
15984 KB |
Output is correct |
35 |
Correct |
545 ms |
14416 KB |
Output is correct |
36 |
Correct |
540 ms |
16004 KB |
Output is correct |
37 |
Correct |
545 ms |
16724 KB |
Output is correct |
38 |
Correct |
554 ms |
16704 KB |
Output is correct |
39 |
Correct |
563 ms |
16724 KB |
Output is correct |
40 |
Correct |
541 ms |
16460 KB |
Output is correct |
41 |
Correct |
576 ms |
16468 KB |
Output is correct |
42 |
Correct |
564 ms |
16460 KB |
Output is correct |
43 |
Correct |
544 ms |
16076 KB |
Output is correct |
44 |
Correct |
568 ms |
16200 KB |
Output is correct |
45 |
Correct |
546 ms |
16100 KB |
Output is correct |
46 |
Correct |
580 ms |
17236 KB |
Output is correct |
47 |
Correct |
430 ms |
15956 KB |
Output is correct |
48 |
Correct |
406 ms |
15696 KB |
Output is correct |
49 |
Correct |
546 ms |
14928 KB |
Output is correct |
50 |
Correct |
430 ms |
15708 KB |
Output is correct |
51 |
Correct |
420 ms |
16080 KB |
Output is correct |
52 |
Correct |
429 ms |
15700 KB |
Output is correct |