oj.uz

Submission #546627

# Submission time Handle Problem Language Result Execution time Memory
546627 2022-04-07T21:46:24 Z Lobo Cake 3 (JOI19_cake3) C++17
100 / 100
 1305 ms 202616 KB 
#include<bits/stdc++.h>
using namespace std;

const long long inf = (long long) 1e18 + 10;
const int inf1 = (int) 1e9 + 10;
#define int long long
#define dbl long double
#define endl '\n'
#define sc second
#define fr first
#define mp make_pair
#define pb push_back
#define all(x) x.begin(), x.end()

const int maxn = 2e5+10;
const int mxv = 1e9;

int n, m;
int trq[32*maxn], trs[32*maxn], f1[32*maxn], f2[32*maxn], st[maxn], perq = 0;
vector<pair<int,int>> cake;

int att(int no, int l, int r, int noant, int pos) {
    if(no == 0) no = ++perq;

    if(l == r) {
        trq[no]++;
        trs[no]+= pos;
        trq[no]+= trq[noant];
        trs[no]+= trs[noant];
        return no;
    }
    
    int mid = (l+r)/2;

    if(pos <= mid) {
        f1[no] = att(f1[no],l,mid,f1[noant],pos);
        f2[no] = f2[noant];
    }
    else {
        f2[no] = att(f2[no],mid+1,r,f2[noant],pos);
        f1[no] = f1[noant];
    }

    trq[no]= trq[f1[no]]+trq[f2[no]];
    trs[no]= trs[f1[no]]+trs[f2[no]];
    return no;
}

int find(int nol, int nor, int l, int r, int val) {
    if(l == r) {
        return val*l;
    }
    int mid = (l+r)/2;
    //vai pra direita
    if(val-(trq[f2[nor]]-trq[f2[nol]]) > 0) {
        return find(f1[nol],f1[nor],l,mid,val-(trq[f2[nor]]-trq[f2[nol]]))+trs[f2[nor]]-trs[f2[nol]];
    }
    else {
        return find(f2[nol],f2[nor],mid+1,r,val);
    }
}

int ans = -inf;
void dc(int l, int r, int opl, int opr) {
    if(l > r) return;
    int mx = -inf;
    int opt = -1;
    int mid = (l+r)/2;

    if(opr-mid+1 < m) {
        dc(l,mid-1,opl,opr);
        return;
    }

    for(int i = opl; i <= opr; i++) {
        if(i-mid+1 < m) continue;
        int qrr = find(mid == 0 ? 0 : st[mid-1],st[i],0,mxv,m) - 2*(cake[i].fr-cake[mid].fr);
    
        if(qrr > mx) {
            mx = qrr;
            opt = i;
        }
    }
    ans = max(ans, mx);
    dc(l,mid-1,opl,opt);
    dc(mid+1,r,opt,opr);
    
}

void solve() {
    cin >> n >> m;
    for(int i = 1; i <= n; i++) {
        int v,c; cin >> v >> c;
        cake.pb(mp(c,v));
    }
    sort(all(cake));

    for(int i = 0; i < n; i++) {
        st[i] = att(0,0,mxv,i == 0 ? 0 : st[i-1],cake[i].sc);
    }

    dc(0,n-1,0,n-1);

    cout << ans << endl;

}

int32_t main() {
    ios::sync_with_stdio(false); cin.tie(0);

    // freopen("in.in", "r", stdin);
    // freopen("out.out", "w", stdout);
    
    int tt = 1;
    // cin >> tt;
    while(tt--) {
        solve();
    }

}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 6 ms 2132 KB Output is correct
39 Correct 6 ms 2340 KB Output is correct
40 Correct 6 ms 2260 KB Output is correct
41 Correct 5 ms 2132 KB Output is correct
42 Correct 6 ms 2260 KB Output is correct
43 Correct 4 ms 2172 KB Output is correct
44 Correct 5 ms 2132 KB Output is correct
45 Correct 6 ms 2260 KB Output is correct
46 Correct 6 ms 2260 KB Output is correct
47 Correct 6 ms 2260 KB Output is correct
48 Correct 5 ms 2132 KB Output is correct
49 Correct 4 ms 2260 KB Output is correct
50 Correct 4 ms 2260 KB Output is correct
51 Correct 4 ms 2260 KB Output is correct
52 Correct 4 ms 2260 KB Output is correct
53 Correct 5 ms 2260 KB Output is correct
54 Correct 4 ms 2216 KB Output is correct
55 Correct 3 ms 2260 KB Output is correct
56 Correct 3 ms 2260 KB Output is correct
57 Correct 4 ms 2260 KB Output is correct
58 Correct 3 ms 2132 KB Output is correct
59 Correct 3 ms 2132 KB Output is correct
60 Correct 4 ms 2260 KB Output is correct
61 Correct 5 ms 2260 KB Output is correct
62 Correct 3 ms 2260 KB Output is correct
63 Correct 3 ms 2260 KB Output is correct
64 Correct 3 ms 2260 KB Output is correct
65 Correct 5 ms 2260 KB Output is correct
66 Correct 4 ms 2260 KB Output is correct
67 Correct 4 ms 2260 KB Output is correct
68 Correct 4 ms 2260 KB Output is correct
69 Correct 4 ms 2260 KB Output is correct
70 Correct 4 ms 2260 KB Output is correct
71 Correct 4 ms 2260 KB Output is correct
72 Correct 3 ms 2260 KB Output is correct
73 Correct 5 ms 2272 KB Output is correct
74 Correct 2 ms 2260 KB Output is correct

Subtask #3
76.0 / 76.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 6 ms 2132 KB Output is correct
39 Correct 6 ms 2340 KB Output is correct
40 Correct 6 ms 2260 KB Output is correct
41 Correct 5 ms 2132 KB Output is correct
42 Correct 6 ms 2260 KB Output is correct
43 Correct 4 ms 2172 KB Output is correct
44 Correct 5 ms 2132 KB Output is correct
45 Correct 6 ms 2260 KB Output is correct
46 Correct 6 ms 2260 KB Output is correct
47 Correct 6 ms 2260 KB Output is correct
48 Correct 5 ms 2132 KB Output is correct
49 Correct 4 ms 2260 KB Output is correct
50 Correct 4 ms 2260 KB Output is correct
51 Correct 4 ms 2260 KB Output is correct
52 Correct 4 ms 2260 KB Output is correct
53 Correct 5 ms 2260 KB Output is correct
54 Correct 4 ms 2216 KB Output is correct
55 Correct 3 ms 2260 KB Output is correct
56 Correct 3 ms 2260 KB Output is correct
57 Correct 4 ms 2260 KB Output is correct
58 Correct 3 ms 2132 KB Output is correct
59 Correct 3 ms 2132 KB Output is correct
60 Correct 4 ms 2260 KB Output is correct
61 Correct 5 ms 2260 KB Output is correct
62 Correct 3 ms 2260 KB Output is correct
63 Correct 3 ms 2260 KB Output is correct
64 Correct 3 ms 2260 KB Output is correct
65 Correct 5 ms 2260 KB Output is correct
66 Correct 4 ms 2260 KB Output is correct
67 Correct 4 ms 2260 KB Output is correct
68 Correct 4 ms 2260 KB Output is correct
69 Correct 4 ms 2260 KB Output is correct
70 Correct 4 ms 2260 KB Output is correct
71 Correct 4 ms 2260 KB Output is correct
72 Correct 3 ms 2260 KB Output is correct
73 Correct 5 ms 2272 KB Output is correct
74 Correct 2 ms 2260 KB Output is correct
75 Correct 1303 ms 185188 KB Output is correct
76 Correct 1305 ms 180244 KB Output is correct
77 Correct 1177 ms 185620 KB Output is correct
78 Correct 1249 ms 188568 KB Output is correct
79 Correct 321 ms 189064 KB Output is correct
80 Correct 497 ms 187360 KB Output is correct
81 Correct 650 ms 190152 KB Output is correct
82 Correct 978 ms 192772 KB Output is correct
83 Correct 750 ms 198952 KB Output is correct
84 Correct 782 ms 198396 KB Output is correct
85 Correct 653 ms 191780 KB Output is correct
86 Correct 431 ms 185288 KB Output is correct
87 Correct 491 ms 182924 KB Output is correct
88 Correct 618 ms 181776 KB Output is correct
89 Correct 571 ms 191824 KB Output is correct
90 Correct 479 ms 200576 KB Output is correct
91 Correct 364 ms 185656 KB Output is correct
92 Correct 339 ms 184080 KB Output is correct
93 Correct 406 ms 191924 KB Output is correct
94 Correct 320 ms 200376 KB Output is correct
95 Correct 444 ms 200840 KB Output is correct
96 Correct 341 ms 186984 KB Output is correct
97 Correct 321 ms 201676 KB Output is correct
98 Correct 343 ms 198672 KB Output is correct
99 Correct 313 ms 199104 KB Output is correct
100 Correct 300 ms 187856 KB Output is correct
101 Correct 294 ms 187768 KB Output is correct
102 Correct 553 ms 187580 KB Output is correct
103 Correct 530 ms 184884 KB Output is correct
104 Correct 610 ms 195004 KB Output is correct
105 Correct 481 ms 194360 KB Output is correct
106 Correct 497 ms 199244 KB Output is correct
107 Correct 405 ms 192312 KB Output is correct
108 Correct 1085 ms 191088 KB Output is correct
109 Correct 974 ms 202532 KB Output is correct
110 Correct 311 ms 188600 KB Output is correct
111 Correct 388 ms 190536 KB Output is correct
112 Correct 914 ms 181536 KB Output is correct
113 Correct 380 ms 202616 KB Output is correct