#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define pb push_back
#define pii pair<int,int>
#define FOR(i, a, b) for(int i=(signed)(a); i<=(signed)(b); i++)
#define F0R(i, a) for(int i=(0); i<(signed)(a); i++)
const int MXN = 2e5 + 10;
ll arr[MXN] = {0};
ll updL[MXN] = {0};
ll updR[MXN] = {0};
int main(){
//faster io
ios_base::sync_with_stdio(false);
cin.tie(NULL);
ll N, Q, S, T;
cin>>N>>Q>>S>>T;
ll ans = 0;
cin>>arr[0]; //always zero
FOR(i, 1, N){
cin>>arr[i];
if(arr[i-1]<arr[i]){
ans -= S * abs(arr[i]-arr[i-1]);
}
else{
ans += T * abs(arr[i]-arr[i-1]);
}
}
// FOR(i, 1, N) cout<<arr[i]<<" ";
// cout<<"\n";
// cout<<"ans="<<ans<<"!";
ll L, R, X;
while(Q--){
cin>>L>>R>>X;
// upd[L]+=X;
if(((arr[L-1]+updR[L-1])<(arr[L]+updL[L])) &&
((arr[L-1]+updR[L-1])>=(arr[L]+updL[L]+X)))
{
ans += (S * abs((arr[L-1]+updR[L-1])-(arr[L]+updL[L])));
ans += (T * abs((arr[L-1]+updR[L-1])-(arr[L]+updL[L]+X)));
}
else if(((arr[L-1]+updR[L-1])>=(arr[L]+updL[L])) &&
((arr[L-1]+updR[L-1])<(arr[L]+updL[L]+X)))
{
ans-= (T * abs((arr[L-1]+updR[L-1])-(arr[L]+updL[L])));
ans-= (S * abs((arr[L-1]+updR[L-1])-(arr[L]+updL[L]+X)));
}
else{
if((arr[L-1]+updR[L-1])<(arr[L]+updL[L]+X)) ans -= (S*X);
else ans -= (T*X);
}
if(R==N){
updL[L]+=X;
// if(L!=R)
updR[R]+=X;
cout<<ans<<"\n";
continue;
}
if(((arr[R]+updR[R])<(arr[R+1]+updL[R+1])) &&
((arr[R]+updR[R]+X)>=(arr[R+1]+updL[R+1])))
{
ans+= (S * abs((arr[R]+updR[R])-(arr[R+1]+updL[R+1])));
ans+= (T * abs((arr[R]+updR[R]+X)-(arr[R+1]+updL[R+1])));
}
else if(((arr[R]+updR[R])>=(arr[R+1]+updL[R+1])) &&
((arr[R]+updR[R]+X)<(arr[R+1]+updL[R+1])))
{
ans-= (T * abs((arr[R]+updR[R])-(arr[R+1]+updL[R+1])));
ans-= (S * abs((arr[R]+updR[R]+X)-(arr[R+1]+updL[R+1])));
}
else{
if((arr[R]+updR[R]+X)<(arr[R+1]+updL[R+1])) ans += (S*X);
else ans += (T*X);
}
updL[L]+=X;
// if(L!=R)
updR[R]+=X;
cout<<ans<<"\n";
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
604 KB |
Output is correct |
3 |
Correct |
1 ms |
604 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
604 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
604 KB |
Output is correct |
8 |
Correct |
1 ms |
604 KB |
Output is correct |
9 |
Correct |
1 ms |
604 KB |
Output is correct |
10 |
Correct |
1 ms |
480 KB |
Output is correct |
11 |
Correct |
1 ms |
604 KB |
Output is correct |
12 |
Correct |
1 ms |
604 KB |
Output is correct |
13 |
Correct |
1 ms |
344 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
472 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
1 ms |
344 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
67 ms |
11860 KB |
Output is correct |
2 |
Correct |
68 ms |
12500 KB |
Output is correct |
3 |
Correct |
72 ms |
12992 KB |
Output is correct |
4 |
Correct |
61 ms |
12368 KB |
Output is correct |
5 |
Correct |
67 ms |
13576 KB |
Output is correct |
6 |
Correct |
55 ms |
9600 KB |
Output is correct |
7 |
Correct |
57 ms |
9576 KB |
Output is correct |
8 |
Correct |
69 ms |
13540 KB |
Output is correct |
9 |
Correct |
75 ms |
13776 KB |
Output is correct |
10 |
Correct |
67 ms |
12372 KB |
Output is correct |
11 |
Correct |
54 ms |
10320 KB |
Output is correct |
12 |
Correct |
54 ms |
10244 KB |
Output is correct |
13 |
Correct |
53 ms |
11344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
604 KB |
Output is correct |
3 |
Correct |
1 ms |
604 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
604 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
604 KB |
Output is correct |
8 |
Correct |
1 ms |
604 KB |
Output is correct |
9 |
Correct |
1 ms |
604 KB |
Output is correct |
10 |
Correct |
1 ms |
480 KB |
Output is correct |
11 |
Correct |
1 ms |
604 KB |
Output is correct |
12 |
Correct |
1 ms |
604 KB |
Output is correct |
13 |
Correct |
1 ms |
344 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
472 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
1 ms |
344 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
67 ms |
11860 KB |
Output is correct |
23 |
Correct |
68 ms |
12500 KB |
Output is correct |
24 |
Correct |
72 ms |
12992 KB |
Output is correct |
25 |
Correct |
61 ms |
12368 KB |
Output is correct |
26 |
Correct |
67 ms |
13576 KB |
Output is correct |
27 |
Correct |
55 ms |
9600 KB |
Output is correct |
28 |
Correct |
57 ms |
9576 KB |
Output is correct |
29 |
Correct |
69 ms |
13540 KB |
Output is correct |
30 |
Correct |
75 ms |
13776 KB |
Output is correct |
31 |
Correct |
67 ms |
12372 KB |
Output is correct |
32 |
Correct |
54 ms |
10320 KB |
Output is correct |
33 |
Correct |
54 ms |
10244 KB |
Output is correct |
34 |
Correct |
53 ms |
11344 KB |
Output is correct |
35 |
Correct |
79 ms |
12120 KB |
Output is correct |
36 |
Correct |
67 ms |
13392 KB |
Output is correct |
37 |
Correct |
71 ms |
14160 KB |
Output is correct |
38 |
Correct |
73 ms |
13908 KB |
Output is correct |
39 |
Correct |
70 ms |
14160 KB |
Output is correct |
40 |
Correct |
87 ms |
14156 KB |
Output is correct |
41 |
Correct |
73 ms |
13824 KB |
Output is correct |
42 |
Correct |
73 ms |
13904 KB |
Output is correct |
43 |
Correct |
92 ms |
13136 KB |
Output is correct |
44 |
Correct |
68 ms |
13676 KB |
Output is correct |
45 |
Correct |
65 ms |
13652 KB |
Output is correct |
46 |
Correct |
68 ms |
14672 KB |
Output is correct |
47 |
Correct |
61 ms |
10952 KB |
Output is correct |
48 |
Correct |
56 ms |
11096 KB |
Output is correct |
49 |
Correct |
57 ms |
12368 KB |
Output is correct |
50 |
Correct |
52 ms |
10948 KB |
Output is correct |
51 |
Correct |
55 ms |
11208 KB |
Output is correct |
52 |
Correct |
52 ms |
11092 KB |
Output is correct |