oj.uz

Submission #911359

# Submission time Handle Problem Language Result Execution time Memory
911359 2024-01-18T20:18:07 Z guechotjrhh Minerals (JOI19_minerals) C++14
100 / 100
 44 ms 4688 KB 
#include "minerals.h"
#include<vector>
#include<set>
#include<random>
#include<algorithm>
#include<iostream>
using namespace std;

int n, s;
random_device rd;
mt19937 g(rd());
const int maxn = 45002;
int mxn = 45000;
int dp0[maxn+1] ,nxt0[maxn+1];
int cut[2*maxn];
double phi = 0.61803398874989484820458683436564;
void solve(vector<int>& in, int s, int e, vector<int>& rest, int f1) {//f1 - is_in?
    if (in.size() == 1) { Answer(in[0], rest[0]); return; }
    
    vector<int> in1, in2;
    int sz1 = (double)in.size() * phi;
    if (in.size() <= mxn) sz1 = in.size() - nxt0[in.size()];

    int sz = 0;
    vector<int> rest1, rest2;
    int m = s + sz1 - 1;
    for (int i = 0; i < sz1; i++) in1.push_back(in[i]);
    for (int i = sz1; i < in.size(); i++) in2.push_back(in[i]);
    for (int i : in2) sz = Query(i);

    for (int j : rest) {
        if (cut[j] <= m) { rest1.push_back(j); continue; }
        if (rest1.size() == sz1) { rest2.push_back(j); continue; }
        if (rest2.size() == rest.size() - sz1) { rest1.push_back(j); continue; }

        int u = Query(j);
        if (u == sz) {
            if (f1) rest1.push_back(j);
            else rest2.push_back(j);
        }
        else {
            sz = u;
            if (f1) rest2.push_back(j);
            else rest1.push_back(j);
        }
    }

    solve(in1, s, m, rest1, f1);
    solve(in2, m + 1, e, rest2, 1-f1);
}

void Solve(int N) {
    dp0[1] = 0;
    for (int i = 2; i <= maxn; i++) {
        int l = 1, r = i / 2, m;
        while (r > l) {
            m = (l + r) / 2;
            int vm = dp0[m] + dp0[i - m] + m + i;
            int vm1 = dp0[m+1] + dp0[i - m - 1] + m + 1 + i;
            if (vm > vm1) l = m + 1;
            else r = m;
        }
        dp0[i] = dp0[l] + dp0[i - l] + l + i;
        nxt0[i] = l;
    }
    //for (int i = 2; i < 1000; i++) cout << i << ' ' << dp0[i] << ' ' << nxt0[i] << endl;
    //for (int u = 38000; u <= 45000; u += 1000) cout << u << ' ' << 2 * u + dp0[u] << endl;
    n = N; s = n << 1;
    int sz = 0;
    vector<int> in, rest;
    vector<int> vec(s);
    for (int i = 0; i < s; i++)vec[i] = i + 1;
    shuffle(vec.begin(), vec.end(), g);
    for (int i : vec) {
        if (in.size() < n) {
            int u = Query(i);
            if (u > sz) {
                sz = u;
                in.push_back(i);
            }
            else {
                rest.push_back(i);
                cut[i] = in.size();
            }
        }
        else {
            rest.push_back(i);
            cut[i] = in.size();
        }
    }
    solve(in, 0, n-1, rest, 1);
}//45000?

Compilation message

minerals.cpp: In function 'void solve(std::vector<int>&, int, int, std::vector<int>&, int)':
minerals.cpp:22:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   22 |     if (in.size() <= mxn) sz1 = in.size() - nxt0[in.size()];
      |         ~~~~~~~~~~^~~~~~
minerals.cpp:28:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |     for (int i = sz1; i < in.size(); i++) in2.push_back(in[i]);
      |                       ~~^~~~~~~~~~~
minerals.cpp:33:26: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   33 |         if (rest1.size() == sz1) { rest2.push_back(j); continue; }
      |             ~~~~~~~~~~~~~^~~~~~
minerals.cpp: In function 'void Solve(int)':
minerals.cpp:75:23: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   75 |         if (in.size() < n) {
      |             ~~~~~~~~~~^~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 600 KB Output is correct
2 Correct 3 ms 656 KB Output is correct
3 Correct 3 ms 600 KB Output is correct
4 Correct 3 ms 600 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 856 KB Output is correct
2 Correct 5 ms 856 KB Output is correct
3 Correct 6 ms 884 KB Output is correct
4 Correct 9 ms 1460 KB Output is correct
5 Correct 15 ms 1880 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 600 KB Output is correct
2 Correct 3 ms 656 KB Output is correct
3 Correct 3 ms 600 KB Output is correct
4 Correct 3 ms 600 KB Output is correct
5 Correct 4 ms 856 KB Output is correct
6 Correct 5 ms 856 KB Output is correct
7 Correct 6 ms 884 KB Output is correct
8 Correct 9 ms 1460 KB Output is correct
9 Correct 15 ms 1880 KB Output is correct
10 Correct 4 ms 856 KB Output is correct
11 Correct 10 ms 1552 KB Output is correct
12 Correct 15 ms 2092 KB Output is correct
13 Correct 15 ms 2012 KB Output is correct
14 Correct 13 ms 1880 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 600 KB Output is correct
2 Correct 3 ms 656 KB Output is correct
3 Correct 3 ms 600 KB Output is correct
4 Correct 3 ms 600 KB Output is correct
5 Correct 4 ms 856 KB Output is correct
6 Correct 5 ms 856 KB Output is correct
7 Correct 6 ms 884 KB Output is correct
8 Correct 9 ms 1460 KB Output is correct
9 Correct 15 ms 1880 KB Output is correct
10 Correct 4 ms 856 KB Output is correct
11 Correct 10 ms 1552 KB Output is correct
12 Correct 15 ms 2092 KB Output is correct
13 Correct 15 ms 2012 KB Output is correct
14 Correct 13 ms 1880 KB Output is correct
15 Correct 32 ms 3804 KB Output is correct
16 Correct 33 ms 3984 KB Output is correct
17 Correct 32 ms 4208 KB Output is correct
18 Correct 32 ms 4308 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 600 KB Output is correct
2 Correct 3 ms 656 KB Output is correct
3 Correct 3 ms 600 KB Output is correct
4 Correct 3 ms 600 KB Output is correct
5 Correct 4 ms 856 KB Output is correct
6 Correct 5 ms 856 KB Output is correct
7 Correct 6 ms 884 KB Output is correct
8 Correct 9 ms 1460 KB Output is correct
9 Correct 15 ms 1880 KB Output is correct
10 Correct 4 ms 856 KB Output is correct
11 Correct 10 ms 1552 KB Output is correct
12 Correct 15 ms 2092 KB Output is correct
13 Correct 15 ms 2012 KB Output is correct
14 Correct 13 ms 1880 KB Output is correct
15 Correct 32 ms 3804 KB Output is correct
16 Correct 33 ms 3984 KB Output is correct
17 Correct 32 ms 4208 KB Output is correct
18 Correct 32 ms 4308 KB Output is correct
19 Correct 34 ms 4176 KB Output is correct
20 Correct 33 ms 3928 KB Output is correct
21 Correct 33 ms 3920 KB Output is correct
22 Correct 33 ms 3976 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 600 KB Output is correct
2 Correct 3 ms 656 KB Output is correct
3 Correct 3 ms 600 KB Output is correct
4 Correct 3 ms 600 KB Output is correct
5 Correct 4 ms 856 KB Output is correct
6 Correct 5 ms 856 KB Output is correct
7 Correct 6 ms 884 KB Output is correct
8 Correct 9 ms 1460 KB Output is correct
9 Correct 15 ms 1880 KB Output is correct
10 Correct 4 ms 856 KB Output is correct
11 Correct 10 ms 1552 KB Output is correct
12 Correct 15 ms 2092 KB Output is correct
13 Correct 15 ms 2012 KB Output is correct
14 Correct 13 ms 1880 KB Output is correct
15 Correct 32 ms 3804 KB Output is correct
16 Correct 33 ms 3984 KB Output is correct
17 Correct 32 ms 4208 KB Output is correct
18 Correct 32 ms 4308 KB Output is correct
19 Correct 34 ms 4176 KB Output is correct
20 Correct 33 ms 3928 KB Output is correct
21 Correct 33 ms 3920 KB Output is correct
22 Correct 33 ms 3976 KB Output is correct
23 Correct 35 ms 4116 KB Output is correct
24 Correct 37 ms 4080 KB Output is correct
25 Correct 34 ms 4628 KB Output is correct
26 Correct 33 ms 3984 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 600 KB Output is correct
2 Correct 3 ms 656 KB Output is correct
3 Correct 3 ms 600 KB Output is correct
4 Correct 3 ms 600 KB Output is correct
5 Correct 4 ms 856 KB Output is correct
6 Correct 5 ms 856 KB Output is correct
7 Correct 6 ms 884 KB Output is correct
8 Correct 9 ms 1460 KB Output is correct
9 Correct 15 ms 1880 KB Output is correct
10 Correct 4 ms 856 KB Output is correct
11 Correct 10 ms 1552 KB Output is correct
12 Correct 15 ms 2092 KB Output is correct
13 Correct 15 ms 2012 KB Output is correct
14 Correct 13 ms 1880 KB Output is correct
15 Correct 32 ms 3804 KB Output is correct
16 Correct 33 ms 3984 KB Output is correct
17 Correct 32 ms 4208 KB Output is correct
18 Correct 32 ms 4308 KB Output is correct
19 Correct 34 ms 4176 KB Output is correct
20 Correct 33 ms 3928 KB Output is correct
21 Correct 33 ms 3920 KB Output is correct
22 Correct 33 ms 3976 KB Output is correct
23 Correct 35 ms 4116 KB Output is correct
24 Correct 37 ms 4080 KB Output is correct
25 Correct 34 ms 4628 KB Output is correct
26 Correct 33 ms 3984 KB Output is correct
27 Correct 40 ms 4176 KB Output is correct
28 Correct 37 ms 4176 KB Output is correct
29 Correct 35 ms 4688 KB Output is correct
30 Correct 44 ms 3956 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 600 KB Output is correct
2 Correct 3 ms 656 KB Output is correct
3 Correct 3 ms 600 KB Output is correct
4 Correct 3 ms 600 KB Output is correct
5 Correct 4 ms 856 KB Output is correct
6 Correct 5 ms 856 KB Output is correct
7 Correct 6 ms 884 KB Output is correct
8 Correct 9 ms 1460 KB Output is correct
9 Correct 15 ms 1880 KB Output is correct
10 Correct 4 ms 856 KB Output is correct
11 Correct 10 ms 1552 KB Output is correct
12 Correct 15 ms 2092 KB Output is correct
13 Correct 15 ms 2012 KB Output is correct
14 Correct 13 ms 1880 KB Output is correct
15 Correct 32 ms 3804 KB Output is correct
16 Correct 33 ms 3984 KB Output is correct
17 Correct 32 ms 4208 KB Output is correct
18 Correct 32 ms 4308 KB Output is correct
19 Correct 34 ms 4176 KB Output is correct
20 Correct 33 ms 3928 KB Output is correct
21 Correct 33 ms 3920 KB Output is correct
22 Correct 33 ms 3976 KB Output is correct
23 Correct 35 ms 4116 KB Output is correct
24 Correct 37 ms 4080 KB Output is correct
25 Correct 34 ms 4628 KB Output is correct
26 Correct 33 ms 3984 KB Output is correct
27 Correct 40 ms 4176 KB Output is correct
28 Correct 37 ms 4176 KB Output is correct
29 Correct 35 ms 4688 KB Output is correct
30 Correct 44 ms 3956 KB Output is correct
31 Correct 36 ms 4256 KB Output is correct
32 Correct 39 ms 4236 KB Output is correct
33 Correct 35 ms 4176 KB Output is correct
34 Correct 35 ms 4172 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 600 KB Output is correct
2 Correct 3 ms 656 KB Output is correct
3 Correct 3 ms 600 KB Output is correct
4 Correct 3 ms 600 KB Output is correct
5 Correct 4 ms 856 KB Output is correct
6 Correct 5 ms 856 KB Output is correct
7 Correct 6 ms 884 KB Output is correct
8 Correct 9 ms 1460 KB Output is correct
9 Correct 15 ms 1880 KB Output is correct
10 Correct 4 ms 856 KB Output is correct
11 Correct 10 ms 1552 KB Output is correct
12 Correct 15 ms 2092 KB Output is correct
13 Correct 15 ms 2012 KB Output is correct
14 Correct 13 ms 1880 KB Output is correct
15 Correct 32 ms 3804 KB Output is correct
16 Correct 33 ms 3984 KB Output is correct
17 Correct 32 ms 4208 KB Output is correct
18 Correct 32 ms 4308 KB Output is correct
19 Correct 34 ms 4176 KB Output is correct
20 Correct 33 ms 3928 KB Output is correct
21 Correct 33 ms 3920 KB Output is correct
22 Correct 33 ms 3976 KB Output is correct
23 Correct 35 ms 4116 KB Output is correct
24 Correct 37 ms 4080 KB Output is correct
25 Correct 34 ms 4628 KB Output is correct
26 Correct 33 ms 3984 KB Output is correct
27 Correct 40 ms 4176 KB Output is correct
28 Correct 37 ms 4176 KB Output is correct
29 Correct 35 ms 4688 KB Output is correct
30 Correct 44 ms 3956 KB Output is correct
31 Correct 36 ms 4256 KB Output is correct
32 Correct 39 ms 4236 KB Output is correct
33 Correct 35 ms 4176 KB Output is correct
34 Correct 35 ms 4172 KB Output is correct
35 Correct 38 ms 4108 KB Output is correct
36 Correct 37 ms 4256 KB Output is correct
37 Correct 39 ms 4600 KB Output is correct
38 Correct 39 ms 4152 KB Output is correct