oj.uz

Submission #749841

# Submission time Handle Problem Language Result Execution time Memory
749841 2023-05-28T17:28:28 Z keta_tsimakuridze Cake 3 (JOI19_cake3) C++14
100 / 100
 746 ms 129236 KB 
#include<bits/stdc++.h>
#define f first
#define s second
#define int long long
#define pii pair<int,int>
using namespace std;
const int N = 2e5 + 5, mod = 1e9 + 7; // !
int t, val[N],m;
pii a[N];
int ans = -1e18;
vector<int> x;
vector<int> c[4 * N], sum[4 * N];
void build(int u, int l, int r, vector<int> v) {
    if(l == r) return;
    int mid = (l + r) / 2;
    vector<int> vl, vr;
    c[u].resize((int)v.size());
    sum[u].resize((int)v.size());
    for(int i = 0; i < v.size(); i++) {
        if(i) c[u][i] = c[u][i - 1], sum[u][i] = sum[u][i - 1];
        if(v[i] <= mid) vl.push_back(v[i]), ++c[u][i], sum[u][i] += val[v[i]];
        else vr.push_back(v[i]);
    }
    build(2 * u, l, mid, vl);
    build(2 * u + 1, mid + 1, r, vr);
}
int get(int u, int l, int r, int L, int R, int k) {
    if(l == r) return k * val[l];
    int mid = (l + r) / 2;
    if(c[u][R] - (L > 0) * c[u][L - 1] >= k) return get(2 * u, l, mid, (L > 0 ? c[u][L - 1] : 0), c[u][R] - 1, k);
    return sum[u][R] - (L > 0) * sum[u][L - 1] + get(2 * u + 1, mid + 1, r, (L > 0 ? L - 1 - c[u][L - 1] + 1 : 0), R - c[u][R], k - (c[u][R] - (L > 0) * c[u][L - 1]));
}
void solve(int l, int r, int optl, int optr) {
    int mid = (l + r) / 2, cur = -1e18, opt = -1;
    for(int i = optl; i <= min(mid - m + 1, optr); i++) {
        int V = get(1, 1, (int)x.size(), i - 1, mid - 1, m) - 2 * (a[mid].f - a[i].f);
        if(V > cur) cur = V, opt = i;
    }
    ans = max(ans, cur);
    if(l == r) return;
    if(l < mid) solve(l, mid - 1, optl, opt);
    if(mid < r) solve(mid + 1, r, opt, optr);
}
main(){
    int n;
    cin >> n >> m;
    for(int i = 1;  i <= n; i++) {
        cin >> a[i].s >> a[i].f;
        x.push_back(a[i].s);
    }
    sort(a + 1, a + n + 1);
    sort(x.begin(), x.end());
    x.erase(unique(x.begin(), x.end()), x.end());
    reverse(x.begin(), x.end());
    map<int,int> id;
    for(int i = 0; i < x.size(); i++) val[i + 1] = x[i], id[x[i]] = i + 1;
    vector<int> v;
    for(int i = 1; i <= n; i++) {
        a[i].s = id[a[i].s];
        v.push_back(a[i].s);
    }
    build(1, 1, (int)x.size(), v);
    solve(m, n, 1, n);
    cout << ans;
 }

Compilation message

cake3.cpp: In function 'void build(long long int, long long int, long long int, std::vector<long long int>)':
cake3.cpp:19:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |     for(int i = 0; i < v.size(); i++) {
      |                    ~~^~~~~~~~~~
cake3.cpp: At global scope:
cake3.cpp:44:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   44 | main(){
      | ^~~~
cake3.cpp: In function 'int main()':
cake3.cpp:56:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   56 |     for(int i = 0; i < x.size(); i++) val[i + 1] = x[i], id[x[i]] = i + 1;
      |                    ~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 37836 KB Output is correct
2 Correct 20 ms 37820 KB Output is correct
3 Correct 20 ms 37844 KB Output is correct
4 Correct 22 ms 37912 KB Output is correct
5 Correct 19 ms 37888 KB Output is correct
6 Correct 20 ms 37844 KB Output is correct
7 Correct 19 ms 37800 KB Output is correct
8 Correct 21 ms 37824 KB Output is correct
9 Correct 19 ms 37844 KB Output is correct
10 Correct 21 ms 37880 KB Output is correct
11 Correct 20 ms 37916 KB Output is correct
12 Correct 19 ms 37844 KB Output is correct
13 Correct 21 ms 37892 KB Output is correct
14 Correct 21 ms 37844 KB Output is correct
15 Correct 19 ms 37900 KB Output is correct
16 Correct 20 ms 37916 KB Output is correct
17 Correct 19 ms 37844 KB Output is correct
18 Correct 20 ms 37844 KB Output is correct
19 Correct 20 ms 37824 KB Output is correct
20 Correct 20 ms 37916 KB Output is correct
21 Correct 20 ms 37800 KB Output is correct
22 Correct 19 ms 37856 KB Output is correct
23 Correct 20 ms 37844 KB Output is correct
24 Correct 19 ms 37844 KB Output is correct
25 Correct 20 ms 37900 KB Output is correct
26 Correct 22 ms 37896 KB Output is correct
27 Correct 20 ms 37840 KB Output is correct
28 Correct 21 ms 37912 KB Output is correct
29 Correct 19 ms 37844 KB Output is correct
30 Correct 23 ms 37916 KB Output is correct
31 Correct 21 ms 37796 KB Output is correct
32 Correct 22 ms 37860 KB Output is correct
33 Correct 19 ms 37840 KB Output is correct
34 Correct 19 ms 37832 KB Output is correct
35 Correct 19 ms 37884 KB Output is correct
36 Correct 21 ms 37920 KB Output is correct
37 Correct 19 ms 37860 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 37836 KB Output is correct
2 Correct 20 ms 37820 KB Output is correct
3 Correct 20 ms 37844 KB Output is correct
4 Correct 22 ms 37912 KB Output is correct
5 Correct 19 ms 37888 KB Output is correct
6 Correct 20 ms 37844 KB Output is correct
7 Correct 19 ms 37800 KB Output is correct
8 Correct 21 ms 37824 KB Output is correct
9 Correct 19 ms 37844 KB Output is correct
10 Correct 21 ms 37880 KB Output is correct
11 Correct 20 ms 37916 KB Output is correct
12 Correct 19 ms 37844 KB Output is correct
13 Correct 21 ms 37892 KB Output is correct
14 Correct 21 ms 37844 KB Output is correct
15 Correct 19 ms 37900 KB Output is correct
16 Correct 20 ms 37916 KB Output is correct
17 Correct 19 ms 37844 KB Output is correct
18 Correct 20 ms 37844 KB Output is correct
19 Correct 20 ms 37824 KB Output is correct
20 Correct 20 ms 37916 KB Output is correct
21 Correct 20 ms 37800 KB Output is correct
22 Correct 19 ms 37856 KB Output is correct
23 Correct 20 ms 37844 KB Output is correct
24 Correct 19 ms 37844 KB Output is correct
25 Correct 20 ms 37900 KB Output is correct
26 Correct 22 ms 37896 KB Output is correct
27 Correct 20 ms 37840 KB Output is correct
28 Correct 21 ms 37912 KB Output is correct
29 Correct 19 ms 37844 KB Output is correct
30 Correct 23 ms 37916 KB Output is correct
31 Correct 21 ms 37796 KB Output is correct
32 Correct 22 ms 37860 KB Output is correct
33 Correct 19 ms 37840 KB Output is correct
34 Correct 19 ms 37832 KB Output is correct
35 Correct 19 ms 37884 KB Output is correct
36 Correct 21 ms 37920 KB Output is correct
37 Correct 19 ms 37860 KB Output is correct
38 Correct 23 ms 38452 KB Output is correct
39 Correct 23 ms 38484 KB Output is correct
40 Correct 22 ms 38484 KB Output is correct
41 Correct 25 ms 38484 KB Output is correct
42 Correct 23 ms 38484 KB Output is correct
43 Correct 22 ms 38484 KB Output is correct
44 Correct 26 ms 38504 KB Output is correct
45 Correct 24 ms 38484 KB Output is correct
46 Correct 27 ms 38444 KB Output is correct
47 Correct 24 ms 38612 KB Output is correct
48 Correct 25 ms 38492 KB Output is correct
49 Correct 22 ms 38544 KB Output is correct
50 Correct 24 ms 38472 KB Output is correct
51 Correct 24 ms 38428 KB Output is correct
52 Correct 22 ms 38448 KB Output is correct
53 Correct 22 ms 38484 KB Output is correct
54 Correct 23 ms 38548 KB Output is correct
55 Correct 22 ms 38536 KB Output is correct
56 Correct 22 ms 38484 KB Output is correct
57 Correct 25 ms 38484 KB Output is correct
58 Correct 24 ms 38520 KB Output is correct
59 Correct 20 ms 37972 KB Output is correct
60 Correct 21 ms 37936 KB Output is correct
61 Correct 25 ms 37896 KB Output is correct
62 Correct 21 ms 37892 KB Output is correct
63 Correct 21 ms 37996 KB Output is correct
64 Correct 20 ms 37924 KB Output is correct
65 Correct 23 ms 38484 KB Output is correct
66 Correct 24 ms 38460 KB Output is correct
67 Correct 23 ms 38484 KB Output is correct
68 Correct 22 ms 38484 KB Output is correct
69 Correct 23 ms 38412 KB Output is correct
70 Correct 23 ms 38484 KB Output is correct
71 Correct 21 ms 38124 KB Output is correct
72 Correct 23 ms 38116 KB Output is correct
73 Correct 23 ms 38424 KB Output is correct
74 Correct 23 ms 38484 KB Output is correct

Subtask #3
76.0 / 76.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 37836 KB Output is correct
2 Correct 20 ms 37820 KB Output is correct
3 Correct 20 ms 37844 KB Output is correct
4 Correct 22 ms 37912 KB Output is correct
5 Correct 19 ms 37888 KB Output is correct
6 Correct 20 ms 37844 KB Output is correct
7 Correct 19 ms 37800 KB Output is correct
8 Correct 21 ms 37824 KB Output is correct
9 Correct 19 ms 37844 KB Output is correct
10 Correct 21 ms 37880 KB Output is correct
11 Correct 20 ms 37916 KB Output is correct
12 Correct 19 ms 37844 KB Output is correct
13 Correct 21 ms 37892 KB Output is correct
14 Correct 21 ms 37844 KB Output is correct
15 Correct 19 ms 37900 KB Output is correct
16 Correct 20 ms 37916 KB Output is correct
17 Correct 19 ms 37844 KB Output is correct
18 Correct 20 ms 37844 KB Output is correct
19 Correct 20 ms 37824 KB Output is correct
20 Correct 20 ms 37916 KB Output is correct
21 Correct 20 ms 37800 KB Output is correct
22 Correct 19 ms 37856 KB Output is correct
23 Correct 20 ms 37844 KB Output is correct
24 Correct 19 ms 37844 KB Output is correct
25 Correct 20 ms 37900 KB Output is correct
26 Correct 22 ms 37896 KB Output is correct
27 Correct 20 ms 37840 KB Output is correct
28 Correct 21 ms 37912 KB Output is correct
29 Correct 19 ms 37844 KB Output is correct
30 Correct 23 ms 37916 KB Output is correct
31 Correct 21 ms 37796 KB Output is correct
32 Correct 22 ms 37860 KB Output is correct
33 Correct 19 ms 37840 KB Output is correct
34 Correct 19 ms 37832 KB Output is correct
35 Correct 19 ms 37884 KB Output is correct
36 Correct 21 ms 37920 KB Output is correct
37 Correct 19 ms 37860 KB Output is correct
38 Correct 23 ms 38452 KB Output is correct
39 Correct 23 ms 38484 KB Output is correct
40 Correct 22 ms 38484 KB Output is correct
41 Correct 25 ms 38484 KB Output is correct
42 Correct 23 ms 38484 KB Output is correct
43 Correct 22 ms 38484 KB Output is correct
44 Correct 26 ms 38504 KB Output is correct
45 Correct 24 ms 38484 KB Output is correct
46 Correct 27 ms 38444 KB Output is correct
47 Correct 24 ms 38612 KB Output is correct
48 Correct 25 ms 38492 KB Output is correct
49 Correct 22 ms 38544 KB Output is correct
50 Correct 24 ms 38472 KB Output is correct
51 Correct 24 ms 38428 KB Output is correct
52 Correct 22 ms 38448 KB Output is correct
53 Correct 22 ms 38484 KB Output is correct
54 Correct 23 ms 38548 KB Output is correct
55 Correct 22 ms 38536 KB Output is correct
56 Correct 22 ms 38484 KB Output is correct
57 Correct 25 ms 38484 KB Output is correct
58 Correct 24 ms 38520 KB Output is correct
59 Correct 20 ms 37972 KB Output is correct
60 Correct 21 ms 37936 KB Output is correct
61 Correct 25 ms 37896 KB Output is correct
62 Correct 21 ms 37892 KB Output is correct
63 Correct 21 ms 37996 KB Output is correct
64 Correct 20 ms 37924 KB Output is correct
65 Correct 23 ms 38484 KB Output is correct
66 Correct 24 ms 38460 KB Output is correct
67 Correct 23 ms 38484 KB Output is correct
68 Correct 22 ms 38484 KB Output is correct
69 Correct 23 ms 38412 KB Output is correct
70 Correct 23 ms 38484 KB Output is correct
71 Correct 21 ms 38124 KB Output is correct
72 Correct 23 ms 38116 KB Output is correct
73 Correct 23 ms 38424 KB Output is correct
74 Correct 23 ms 38484 KB Output is correct
75 Correct 746 ms 118908 KB Output is correct
76 Correct 742 ms 120020 KB Output is correct
77 Correct 688 ms 122544 KB Output is correct
78 Correct 697 ms 124004 KB Output is correct
79 Correct 566 ms 124680 KB Output is correct
80 Correct 544 ms 121848 KB Output is correct
81 Correct 457 ms 99240 KB Output is correct
82 Correct 532 ms 103932 KB Output is correct
83 Correct 473 ms 102712 KB Output is correct
84 Correct 524 ms 103824 KB Output is correct
85 Correct 464 ms 100028 KB Output is correct
86 Correct 358 ms 95304 KB Output is correct
87 Correct 379 ms 95124 KB Output is correct
88 Correct 423 ms 96300 KB Output is correct
89 Correct 430 ms 98540 KB Output is correct
90 Correct 354 ms 99432 KB Output is correct
91 Correct 287 ms 93976 KB Output is correct
92 Correct 295 ms 93944 KB Output is correct
93 Correct 323 ms 96268 KB Output is correct
94 Correct 300 ms 97660 KB Output is correct
95 Correct 340 ms 99020 KB Output is correct
96 Correct 161 ms 47932 KB Output is correct
97 Correct 156 ms 48620 KB Output is correct
98 Correct 157 ms 48516 KB Output is correct
99 Correct 160 ms 48532 KB Output is correct
100 Correct 147 ms 47928 KB Output is correct
101 Correct 148 ms 48036 KB Output is correct
102 Correct 320 ms 86992 KB Output is correct
103 Correct 310 ms 86696 KB Output is correct
104 Correct 326 ms 91264 KB Output is correct
105 Correct 293 ms 87312 KB Output is correct
106 Correct 284 ms 88560 KB Output is correct
107 Correct 265 ms 86368 KB Output is correct
108 Correct 660 ms 123360 KB Output is correct
109 Correct 647 ms 128704 KB Output is correct
110 Correct 152 ms 61980 KB Output is correct
111 Correct 171 ms 62784 KB Output is correct
112 Correct 457 ms 118292 KB Output is correct
113 Correct 539 ms 129236 KB Output is correct