#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
//#include<bits/extc++.h>
//__gnu_pbds
// 0-base
// my dp is just wrong, l,r can be the same, why? because
ll suma,sumb;
vector<int> d;
inline int ind(int X){
return lower_bound(d.begin(),d.end(),X)-d.begin();
}
struct Data{
//ll dp[2][2] = {{(ll)-1e17,(ll)-1e17},{(ll)-1e17,(ll)-1e17}};
ll dp[2][2] = {{0,0},{0,0}};
};
Data operator+(Data &a,Data &b){
Data ret;
ret.dp[0][0]= max({a.dp[0][0]+b.dp[0][0],a.dp[0][1]+b.dp[1][0]});
ret.dp[0][1]= max({a.dp[0][0]+b.dp[0][1],a.dp[0][1]+b.dp[1][1]});
ret.dp[1][0]= max({a.dp[1][0]+b.dp[0][0],a.dp[1][1]+b.dp[1][0]});
ret.dp[1][1]= max({a.dp[1][0]+b.dp[0][1],a.dp[1][1]+b.dp[1][1]});
return ret;
}
struct SegTree{
int s;
struct node{
Data dt;
ll tag[2]={0,0};
void add_tag(int v,int o){
dt.dp[o][o^1]+=v;
tag[o]+=v;
}
};
vector<node> arr;
void init(int _s){
s = _s;
arr.resize(4*s+5);
}
void pull(int ind){
arr[ind].dt = arr[2*ind].dt+arr[2*ind+1].dt;
}
void push(int ind){
for(int o=0;o<2;o++){
if(arr[ind].tag[o]){
arr[2*ind].add_tag(arr[ind].tag[o],o);
arr[2*ind+1].add_tag(arr[ind].tag[o],o);
arr[ind].tag[o]=0;
}
}
}
void update(int ind,int v,int l,int r,int L,int R,int o){
if(l>=r) return;
if(l==L && r==R){
arr[ind].add_tag(v,o);
return;
}
push(ind);
int mid = (L+R)/2;
if(r<=mid) update(2*ind,v,l,r,L,mid,o);
else if(l>=mid) update(2*ind+1,v,l,r,mid,R,o);
else{
update(2*ind,v,l,mid,L,mid,o);
update(2*ind+1,v,mid,r,mid,R,o);
}
pull(ind);
}
ll get(){
return max(max(arr[1].dt.dp[1][1],arr[1].dt.dp[0][1])+sumb,max(arr[1].dt.dp[0][0],arr[1].dt.dp[1][0])+suma);
}
} seg;
int main(){
ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
int n,L;
cin>>n>>L;
vector<int> T(n),X(n),A(n);
for(int i=0;i<n;i++) {
cin>>T[i]>>X[i]>>A[i];
d.push_back(X[i]);
}
sort(d.begin(),d.end());
d.resize(unique(d.begin(),d.end())-d.begin());
int N = d.size();
seg.init(N);
for(int i=0;i<n;i++){
if(T[i]==1) {
suma+=A[i];
int r = ind(X[i]);
int l = ind(X[i]-L);
seg.update(1,A[i],r,N,0,N,0);
seg.update(1,-A[i],r,N,0,N,1);
seg.update(1,-A[i],l,r,0,N,1);
}else{
sumb+=A[i] ;
int r = ind(X[i]);
int l = ind(X[i]-L);
seg.update(1,A[i],r,N,0,N,1);
seg.update(1,-A[i],r,N,0,N,0);
seg.update(1,-A[i],l,r,0,N,0);
}
cout<<suma+sumb-seg.get()<<"\n";
}
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
604 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 5 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Incorrect |
611 ms |
62032 KB |
Output isn't correct |
| 5 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
604 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 5 |
Halted |
0 ms |
0 KB |
- |
