oj.uz

Submission #545548

# Submission time Handle Problem Language Result Execution time Memory
545548 2022-04-04T19:44:02 Z LucaDantas Cake 3 (JOI19_cake3) C++17
24 / 100
 4000 ms 12720 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long

constexpr int maxn = 2e5+10;

long long ans = -0x3f3f3f3f3f, val[maxn], c[maxn];

struct Set {
    int sz;
    long long sum = 0;
    multiset<int> st;
    Set(int _sz) : sz(_sz) {}
    void add(int x) {
        sum += x;
        st.insert(x);
        if(st.size() > sz)
            sum -= *st.begin(), st.erase(st.begin());
    }
    long long get() {
        if(st.size() < sz) return -0x3f3f3f3f3f;
        return sum;
    }
};

int32_t main() {
    int n, m; scanf("%lld %lld", &n, &m);
    vector<pair<int,int>> cakes(n);
    for(pair<int,int>& p : cakes)
        scanf("%lld %lld", &p.first, &p.second), p.second <<= 1;
    sort(cakes.begin(), cakes.end(), [](const auto& a, const auto& b) { return a.second < b.second; });
    for(int i = 0; i < n; i++)
        tie(val[i], c[i]) = cakes[i];

    for(int l = 0; l < n; l++) {
        Set st(m);
        for(int r = l; r < n; r++)
            st.add(val[r]), ans = max(ans, st.get() - c[r] + c[l]);
    }
    printf("%lld\n", ans);
}

Compilation message

cake3.cpp: In member function 'void Set::add(long long int)':
cake3.cpp:18:22: warning: comparison of integer expressions of different signedness: 'std::multiset<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   18 |         if(st.size() > sz)
      |            ~~~~~~~~~~^~~~
cake3.cpp: In member function 'long long int Set::get()':
cake3.cpp:22:22: warning: comparison of integer expressions of different signedness: 'std::multiset<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   22 |         if(st.size() < sz) return -0x3f3f3f3f3f;
      |            ~~~~~~~~~~^~~~
cake3.cpp: In function 'int32_t main()':
cake3.cpp:28:20: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |     int n, m; scanf("%lld %lld", &n, &m);
      |               ~~~~~^~~~~~~~~~~~~~~~~~~~~
cake3.cpp:31:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |         scanf("%lld %lld", &p.first, &p.second), p.second <<= 1;
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 308 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 2 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 308 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 308 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 308 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 2 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 308 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 308 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 155 ms 400 KB Output is correct
39 Correct 158 ms 420 KB Output is correct
40 Correct 163 ms 436 KB Output is correct
41 Correct 174 ms 424 KB Output is correct
42 Correct 167 ms 452 KB Output is correct
43 Correct 145 ms 432 KB Output is correct
44 Correct 146 ms 404 KB Output is correct
45 Correct 162 ms 416 KB Output is correct
46 Correct 163 ms 416 KB Output is correct
47 Correct 150 ms 340 KB Output is correct
48 Correct 147 ms 448 KB Output is correct
49 Correct 168 ms 432 KB Output is correct
50 Correct 176 ms 420 KB Output is correct
51 Correct 168 ms 340 KB Output is correct
52 Correct 159 ms 424 KB Output is correct
53 Correct 171 ms 424 KB Output is correct
54 Correct 186 ms 448 KB Output is correct
55 Correct 170 ms 444 KB Output is correct
56 Correct 168 ms 448 KB Output is correct
57 Correct 164 ms 440 KB Output is correct
58 Correct 159 ms 444 KB Output is correct
59 Correct 137 ms 412 KB Output is correct
60 Correct 152 ms 408 KB Output is correct
61 Correct 160 ms 460 KB Output is correct
62 Correct 169 ms 444 KB Output is correct
63 Correct 186 ms 448 KB Output is correct
64 Correct 161 ms 436 KB Output is correct
65 Correct 144 ms 420 KB Output is correct
66 Correct 161 ms 428 KB Output is correct
67 Correct 156 ms 372 KB Output is correct
68 Correct 167 ms 424 KB Output is correct
69 Correct 169 ms 424 KB Output is correct
70 Correct 172 ms 436 KB Output is correct
71 Correct 146 ms 340 KB Output is correct
72 Correct 182 ms 428 KB Output is correct
73 Correct 146 ms 340 KB Output is correct
74 Correct 184 ms 488 KB Output is correct

Subtask #3
0 / 76.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 308 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 2 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 308 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 308 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 155 ms 400 KB Output is correct
39 Correct 158 ms 420 KB Output is correct
40 Correct 163 ms 436 KB Output is correct
41 Correct 174 ms 424 KB Output is correct
42 Correct 167 ms 452 KB Output is correct
43 Correct 145 ms 432 KB Output is correct
44 Correct 146 ms 404 KB Output is correct
45 Correct 162 ms 416 KB Output is correct
46 Correct 163 ms 416 KB Output is correct
47 Correct 150 ms 340 KB Output is correct
48 Correct 147 ms 448 KB Output is correct
49 Correct 168 ms 432 KB Output is correct
50 Correct 176 ms 420 KB Output is correct
51 Correct 168 ms 340 KB Output is correct
52 Correct 159 ms 424 KB Output is correct
53 Correct 171 ms 424 KB Output is correct
54 Correct 186 ms 448 KB Output is correct
55 Correct 170 ms 444 KB Output is correct
56 Correct 168 ms 448 KB Output is correct
57 Correct 164 ms 440 KB Output is correct
58 Correct 159 ms 444 KB Output is correct
59 Correct 137 ms 412 KB Output is correct
60 Correct 152 ms 408 KB Output is correct
61 Correct 160 ms 460 KB Output is correct
62 Correct 169 ms 444 KB Output is correct
63 Correct 186 ms 448 KB Output is correct
64 Correct 161 ms 436 KB Output is correct
65 Correct 144 ms 420 KB Output is correct
66 Correct 161 ms 428 KB Output is correct
67 Correct 156 ms 372 KB Output is correct
68 Correct 167 ms 424 KB Output is correct
69 Correct 169 ms 424 KB Output is correct
70 Correct 172 ms 436 KB Output is correct
71 Correct 146 ms 340 KB Output is correct
72 Correct 182 ms 428 KB Output is correct
73 Correct 146 ms 340 KB Output is correct
74 Correct 184 ms 488 KB Output is correct
75 Execution timed out 4038 ms 12720 KB Time limit exceeded
76 Halted 0 ms 0 KB -