oj.uz

답안 #878052

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
878052 2023-11-24T03:42:38 Z abcvuitunggio Ants and Sugar (JOI22_sugar) C++17
0 / 100
 474 ms 160196 KB 
#include <bits/stdc++.h>
#define int long long
using namespace std;
const int INF=1e18;
struct T{
    int mx[2][2];
    T(){memset(mx,0,sizeof(mx));}
}st[4000001];
int lazy[4000001],cnt[4000001];
T f(T a, T b, int cnt){
    T c;
    for (int i=0;i<2;i++)
        for (int j=0;j<2;j++)
            c.mx[i][j]=max(a.mx[i][0]+b.mx[0][j],a.mx[i][1]+b.mx[1][j]-cnt);
    for (int i=0;i<2;i++){
        c.mx[i][0]=max(c.mx[i][0],a.mx[i][0]);
        c.mx[0][i]=max(c.mx[0][i],b.mx[0][i]);
    }
    return c;
}
void down(int node, int l, int r){
    if (!lazy[node]||l==r)
        return;
    for (int i=0;i<2;i++)
        for (int j=0;j<2;j++){
            st[node<<1].mx[i][j]+=lazy[node];
            st[node<<1|1].mx[i][j]+=lazy[node];
        }
    lazy[node<<1]+=lazy[node];
    lazy[node<<1|1]+=lazy[node];
    lazy[node]=0;
}
void update(int node, int l, int r, int u, int v, int val){
    if (l>v||r<u||l>r)
        return;
    if (l>=u&&r<=v){
        for (int i=0;i<2;i++)
            for (int j=0;j<2;j++)
                st[node].mx[i][j]+=val;
        lazy[node]+=val;
        return;
    }
    down(node,l,r);
    int mid=(l+r)>>1;
    if (mid>=u&&mid<v)
        cnt[node]+=val;
    update(node<<1,l,mid,u,v,val);
    update(node<<1|1,mid+1,r,u,v,val);
    st[node]=f(st[node<<1],st[node<<1|1],cnt[node]);
}
int q,l,t[500001],x[500001],a[500001],s;
vector <int> ve;
int32_t main(){
    ios_base::sync_with_stdio(NULL);cin.tie(nullptr);
    cin >> q >> l;
    for (int i=0;i<q;i++){
        cin >> t[i] >> x[i] >> a[i];
        if (t[i]==1)
            ve.push_back(x[i]);
        else{
            ve.push_back(x[i]-l);
            ve.push_back(x[i]+l);
        }
    }
    sort(ve.begin(),ve.end());
    ve.resize(unique(ve.begin(),ve.end())-ve.begin());
    for (int i=0;i<q;i++){
        if (t[i]==1){
            s+=a[i];
            int pos=lower_bound(ve.begin(),ve.end(),x[i])-ve.begin();
            update(1,0,ve.size()-1,pos,pos,a[i]);
        }
        else{
            int u=lower_bound(ve.begin(),ve.end(),x[i]-l)-ve.begin();
            int v=lower_bound(ve.begin(),ve.end(),x[i]+l)-ve.begin();
            update(1,0,ve.size()-1,u,v,-a[i]);
        }
        cout << s-max(st[1].mx[0][0],0LL) << '\n';
    }
}

Subtask #1
0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 25 ms 131924 KB Output is correct
2 Correct 17 ms 131932 KB Output is correct
3 Incorrect 15 ms 131932 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 132188 KB Output is correct
2 Correct 18 ms 132188 KB Output is correct
3 Correct 17 ms 134056 KB Output is correct
4 Incorrect 474 ms 160196 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 132188 KB Output is correct
2 Incorrect 197 ms 148664 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 52.0

# 결과 실행 시간 메모리 Grader output
1 Correct 25 ms 131924 KB Output is correct
2 Correct 17 ms 131932 KB Output is correct
3 Incorrect 15 ms 131932 KB Output isn't correct
4 Halted 0 ms 0 KB -