oj.uz

Submission #708342

# Submission time Handle Problem Language Result Execution time Memory
708342 2023-03-11T15:27:57 Z doowey Ants and Sugar (JOI22_sugar) C++14
6 / 100
 4000 ms 146772 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef pair<int, int> pii;
 
#define fi first
#define se second
#define mp make_pair
#define fastIO ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
 
const int N = (int)5e5 + 10;
int typ[N];
int X[N];
int A[N];
 
struct Node{
    ll dp[2][2][3]; // [start][end][x_cnt]
    ll lazy_x;
    ll lazy_both;
    
    int lef;
    int rig;
};
 
void upd(ll &a, ll b){
    a = max(a, b);
}
 
Node unite(Node aa, Node bb){
    Node res;
    res.lazy_x = 0;
    res.lazy_both = 0;
    res.lef = aa.lef;
    res.rig = bb.rig;
    for(int st = 0; st < 2; st ++ ){
        for(int en = 0; en < 2; en ++ ){
            for(int c = 0 ; c < 3; c ++ ){
                res.dp[st][en][c] = -(ll)1e18;
            }
        }
    }
    int cum;
    for(int st = 0 ; st < 2; st ++ ){
        for(int en = 0; en < 2; en ++ ){
            for(int pi = 0; pi < 3; pi ++ ){
                for(int qi = 0; qi < 3; qi ++ ){
                    cum = min(pi + qi, 2);
                    upd(res.dp[st][en][cum], aa.dp[st][0][pi] + bb.dp[1][en][qi]);
                    upd(res.dp[st][en][cum], aa.dp[st][1][pi] + bb.dp[0][en][qi]);
                }
                upd(res.dp[st][en][pi], aa.dp[st][en][pi]);
                upd(res.dp[st][en][pi], bb.dp[st][en][pi]);
            }
        }
    }
    return res;
}
 
Node T[N * 4 + 512];
 
void push(int node, int cl, int cr){
    int bonus;
    for(int st = 0; st < 2; st ++ ){
        for(int en = 0; en < 2; en ++ ){
            for(int cc = 0; cc < 3; cc ++ ){
                if(st == en){
                    bonus = st;
                }
                else{
                    bonus = -1;
                }
                if(bonus != -1){
                    if(bonus == 0) T[node].dp[st][en][cc] -= T[node].lazy_both;
                    else T[node].dp[st][en][cc] += T[node].lazy_both;
                }
                T[node].dp[st][en][cc] += cc * 1ll * T[node].lazy_x;
            }
        }
    }
    if(cl != cr){
        T[node * 2].lazy_x += T[node].lazy_x;
        T[node * 2 + 1].lazy_x += T[node].lazy_x;
        T[node * 2].lazy_both += T[node].lazy_both;
        T[node * 2 + 1].lazy_both += T[node].lazy_both;
    }
    T[node].lazy_x = T[node].lazy_both = 0;
}
 
void update(int node, int cl, int cr, int tl, int tr, int Xi, int Yi){
    push(node, cl, cr);
    if(cr < tl || cl > tr) return;
    if(cl >= tl && cr <= tr){
        if(Xi == Yi){
            T[node].lazy_both = Xi;
        }
        else{
            T[node].lazy_x = Xi;
        }
        push(node, cl, cr);
        return;
    }
    int mid = (cl + cr) / 2ll;
    update(node * 2, cl, mid, tl, tr, Xi, Yi);
    update(node * 2 + 1, mid + 1, cr, tl, tr, Xi, Yi);
    T[node] = unite(T[node * 2], T[node * 2 + 1]);
}
 
int k;
vector<int> posi;
void perform_update(int tl, int tr, int Xi, int Yi){
    int ii = lower_bound(posi.begin(), posi.end(), tl) - posi.begin();
    int jj = lower_bound(posi.begin(), posi.end(), tr + 1) - posi.begin();
    jj -- ;
    //cout << ii << " " << jj << " | " << Xi << " " << Yi << "\n";
    if(ii <= jj)
        update(1, 0, k - 1, ii, jj, Xi, Yi);
}
 
void build(int node, int cl, int cr){
    T[node].lef = cl;
    T[node].rig = cr;
    for(int p = 0; p < 2; p ++ ){
        for(int q = 0; q < 2; q ++ ){
            for(int x = 0 ; x < 3; x ++ ){
                T[node].dp[p][q][x] = -(ll)1e18;
            }
        }
    }
    if(cl == cr){
        T[node].dp[0][0][0] = 0;
        T[node].dp[0][1][1] = 0;
        T[node].dp[1][1][1] = 0;
        return;
    }
    int mid = (cl + cr) / 2;
    build(node * 2, cl, mid);
    build(node * 2 + 1, mid + 1, cr);
    T[node] = unite(T[node * 2], T[node * 2 + 1]);
}
 
ll get_max(){
    ll V = 0ll;
    V = max(V, T[1].dp[0][1][1]);
    V = max(V, T[1].dp[0][1][2]);
    return V;
}
 
int main(){
    fastIO;
    //freopen("in.txt", "r", stdin);
    int q, d;
    cin >> q >> d;
    for(int iq = 1; iq <= q; iq ++ ){
        cin >> typ[iq] >> X[iq] >> A[iq];
        posi.push_back(X[iq]);
    }
    sort(posi.begin(), posi.end());
    posi.resize(unique(posi.begin(), posi.end()) - posi.begin());
    k = posi.size();
    
    build(1, 0, k - 1);
    ll ants = 0ll;
    for(int iq = 1; iq <= q; iq ++ ){
        if(typ[iq] == 1){
            perform_update(X[iq] + 1, (int)1e9, A[iq], A[iq]);
            perform_update(X[iq], X[iq], A[iq], 0);
            ants += A[iq];
        }
        else{
            perform_update(X[iq] + d + 1, (int)1e9, -A[iq], -A[iq]);
            perform_update(X[iq] - d, X[iq] + d, -A[iq], 0);
        }
        cout << ants - get_max() << "\n";
 
    }
    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 288 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 15 ms 904 KB Output is correct
7 Correct 14 ms 852 KB Output is correct
8 Correct 7 ms 596 KB Output is correct
9 Correct 7 ms 636 KB Output is correct
10 Correct 18 ms 1468 KB Output is correct
11 Correct 17 ms 1492 KB Output is correct
12 Correct 18 ms 1360 KB Output is correct
13 Correct 21 ms 1492 KB Output is correct
14 Correct 21 ms 1484 KB Output is correct
15 Correct 18 ms 1452 KB Output is correct
16 Correct 18 ms 1364 KB Output is correct
17 Correct 22 ms 1432 KB Output is correct
18 Correct 19 ms 1444 KB Output is correct
19 Correct 19 ms 1468 KB Output is correct
20 Correct 22 ms 1452 KB Output is correct
21 Correct 19 ms 1364 KB Output is correct
22 Correct 17 ms 1452 KB Output is correct
23 Correct 21 ms 1592 KB Output is correct
24 Correct 17 ms 1364 KB Output is correct
25 Correct 14 ms 1368 KB Output is correct

Subtask #2
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 3311 ms 79668 KB Output is correct
5 Correct 2040 ms 73972 KB Output is correct
6 Correct 3934 ms 99720 KB Output is correct
7 Correct 2013 ms 73816 KB Output is correct
8 Execution timed out 4061 ms 146772 KB Time limit exceeded
9 Halted 0 ms 0 KB -

Subtask #3
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1866 ms 71448 KB Output is correct
3 Correct 2641 ms 136548 KB Output is correct
4 Execution timed out 4067 ms 144444 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #4
0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 288 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 15 ms 904 KB Output is correct
7 Correct 14 ms 852 KB Output is correct
8 Correct 7 ms 596 KB Output is correct
9 Correct 7 ms 636 KB Output is correct
10 Correct 18 ms 1468 KB Output is correct
11 Correct 17 ms 1492 KB Output is correct
12 Correct 18 ms 1360 KB Output is correct
13 Correct 21 ms 1492 KB Output is correct
14 Correct 21 ms 1484 KB Output is correct
15 Correct 18 ms 1452 KB Output is correct
16 Correct 18 ms 1364 KB Output is correct
17 Correct 22 ms 1432 KB Output is correct
18 Correct 19 ms 1444 KB Output is correct
19 Correct 19 ms 1468 KB Output is correct
20 Correct 22 ms 1452 KB Output is correct
21 Correct 19 ms 1364 KB Output is correct
22 Correct 17 ms 1452 KB Output is correct
23 Correct 21 ms 1592 KB Output is correct
24 Correct 17 ms 1364 KB Output is correct
25 Correct 14 ms 1368 KB Output is correct
26 Correct 1 ms 328 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 1 ms 328 KB Output is correct
29 Correct 3311 ms 79668 KB Output is correct
30 Correct 2040 ms 73972 KB Output is correct
31 Correct 3934 ms 99720 KB Output is correct
32 Correct 2013 ms 73816 KB Output is correct
33 Execution timed out 4061 ms 146772 KB Time limit exceeded
34 Halted 0 ms 0 KB -