oj.uz

Submission #772008

# Submission time Handle Problem Language Result Execution time Memory
772008 2023-07-03T13:56:41 Z Valters07 Minerals (JOI19_minerals) C++14
90 / 100
 57 ms 2896 KB 
#include <bits/stdc++.h>
#include "minerals.h"
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")
#define fio ios_base::sync_with_stdio(0);cin.tie(0);
#define ll long long
#define en cin.close();return 0;
#define pb push_back
#define fi first//printf("%lli\n",cur);
#define se second//scanf("%lli",&n);
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int N = 2*43005;
int n1, cur;
bool is[N];
int q(int x)
{
    is[x]^=1;
    return cur=Query(x);
}
void go(vector<int> &a, vector<int> &b)
{
    random_shuffle(a.begin(),a.end());
    random_shuffle(b.begin(),b.end());
    assert(a.size()==b.size());
    int n = a.size(), mid = min(n - 1, (int)ceil(0.5*n));
    if(n==1)
        Answer(a[0],b[0]);
    else
    {
        vector<int> la, ra, lb, rb;
        for(int i = 0;i<n;i++)
        {
            if(i<mid)
            {
                if(!is[a[i]])//sort in order is[a[i]]>is[a[j]]
                    q(a[i]);
                la.pb(a[i]);
            }
            else
            {
                if(is[a[i]])
                    q(a[i]);
                ra.pb(a[i]);
            }
        }
        for(int i = 0, lst=cur;i<n;i++)
        {
            if(lb.size()==mid)
            {
                rb.pb(b[i]);
                continue;
            }
            if(rb.size()==n-mid)
            {
                lb.pb(b[i]);
                continue;
            }
            int t = q(b[i]);
            if(t==lst)
                lb.pb(b[i]);
            else
                rb.pb(b[i]);
            lst=t;
        }
        go(la,lb);
        go(ra,rb);
    }
}
void Solve(int n)
{
    n1=cur=n;
    vector<int> a, b;
    for(int i = 1, lst = 0;i<=2*n;i++)
    {
        int t = q(i);
        if(t==lst)
            b.pb(i);
        else
            a.pb(i);
        lst=t;
    }
    srand(rng());
    go(a,b);
}

Compilation message

minerals.cpp: In function 'void go(std::vector<int>&, std::vector<int>&)':
minerals.cpp:49:25: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   49 |             if(lb.size()==mid)
      |                ~~~~~~~~~^~~~~
minerals.cpp:54:25: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   54 |             if(rb.size()==n-mid)
      |                ~~~~~~~~~^~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 372 KB Output is correct
2 Correct 2 ms 336 KB Output is correct
3 Correct 4 ms 464 KB Output is correct
4 Correct 8 ms 720 KB Output is correct
5 Correct 14 ms 1052 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 372 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 4 ms 464 KB Output is correct
8 Correct 8 ms 720 KB Output is correct
9 Correct 14 ms 1052 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 10 ms 976 KB Output is correct
12 Correct 16 ms 1196 KB Output is correct
13 Correct 17 ms 1072 KB Output is correct
14 Correct 14 ms 1140 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 372 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 4 ms 464 KB Output is correct
8 Correct 8 ms 720 KB Output is correct
9 Correct 14 ms 1052 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 10 ms 976 KB Output is correct
12 Correct 16 ms 1196 KB Output is correct
13 Correct 17 ms 1072 KB Output is correct
14 Correct 14 ms 1140 KB Output is correct
15 Correct 41 ms 2640 KB Output is correct
16 Correct 42 ms 2648 KB Output is correct
17 Correct 40 ms 2696 KB Output is correct
18 Correct 40 ms 2524 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 372 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 4 ms 464 KB Output is correct
8 Correct 8 ms 720 KB Output is correct
9 Correct 14 ms 1052 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 10 ms 976 KB Output is correct
12 Correct 16 ms 1196 KB Output is correct
13 Correct 17 ms 1072 KB Output is correct
14 Correct 14 ms 1140 KB Output is correct
15 Correct 41 ms 2640 KB Output is correct
16 Correct 42 ms 2648 KB Output is correct
17 Correct 40 ms 2696 KB Output is correct
18 Correct 40 ms 2524 KB Output is correct
19 Correct 43 ms 2692 KB Output is correct
20 Correct 42 ms 2692 KB Output is correct
21 Correct 41 ms 2724 KB Output is correct
22 Correct 42 ms 2544 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 372 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 4 ms 464 KB Output is correct
8 Correct 8 ms 720 KB Output is correct
9 Correct 14 ms 1052 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 10 ms 976 KB Output is correct
12 Correct 16 ms 1196 KB Output is correct
13 Correct 17 ms 1072 KB Output is correct
14 Correct 14 ms 1140 KB Output is correct
15 Correct 41 ms 2640 KB Output is correct
16 Correct 42 ms 2648 KB Output is correct
17 Correct 40 ms 2696 KB Output is correct
18 Correct 40 ms 2524 KB Output is correct
19 Correct 43 ms 2692 KB Output is correct
20 Correct 42 ms 2692 KB Output is correct
21 Correct 41 ms 2724 KB Output is correct
22 Correct 42 ms 2544 KB Output is correct
23 Correct 46 ms 2768 KB Output is correct
24 Correct 44 ms 2740 KB Output is correct
25 Correct 43 ms 2732 KB Output is correct
26 Correct 47 ms 2592 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 372 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 4 ms 464 KB Output is correct
8 Correct 8 ms 720 KB Output is correct
9 Correct 14 ms 1052 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 10 ms 976 KB Output is correct
12 Correct 16 ms 1196 KB Output is correct
13 Correct 17 ms 1072 KB Output is correct
14 Correct 14 ms 1140 KB Output is correct
15 Correct 41 ms 2640 KB Output is correct
16 Correct 42 ms 2648 KB Output is correct
17 Correct 40 ms 2696 KB Output is correct
18 Correct 40 ms 2524 KB Output is correct
19 Correct 43 ms 2692 KB Output is correct
20 Correct 42 ms 2692 KB Output is correct
21 Correct 41 ms 2724 KB Output is correct
22 Correct 42 ms 2544 KB Output is correct
23 Correct 46 ms 2768 KB Output is correct
24 Correct 44 ms 2740 KB Output is correct
25 Correct 43 ms 2732 KB Output is correct
26 Correct 47 ms 2592 KB Output is correct
27 Correct 44 ms 2796 KB Output is correct
28 Correct 44 ms 2784 KB Output is correct
29 Correct 51 ms 2804 KB Output is correct
30 Correct 43 ms 2656 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 372 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 4 ms 464 KB Output is correct
8 Correct 8 ms 720 KB Output is correct
9 Correct 14 ms 1052 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 10 ms 976 KB Output is correct
12 Correct 16 ms 1196 KB Output is correct
13 Correct 17 ms 1072 KB Output is correct
14 Correct 14 ms 1140 KB Output is correct
15 Correct 41 ms 2640 KB Output is correct
16 Correct 42 ms 2648 KB Output is correct
17 Correct 40 ms 2696 KB Output is correct
18 Correct 40 ms 2524 KB Output is correct
19 Correct 43 ms 2692 KB Output is correct
20 Correct 42 ms 2692 KB Output is correct
21 Correct 41 ms 2724 KB Output is correct
22 Correct 42 ms 2544 KB Output is correct
23 Correct 46 ms 2768 KB Output is correct
24 Correct 44 ms 2740 KB Output is correct
25 Correct 43 ms 2732 KB Output is correct
26 Correct 47 ms 2592 KB Output is correct
27 Correct 44 ms 2796 KB Output is correct
28 Correct 44 ms 2784 KB Output is correct
29 Correct 51 ms 2804 KB Output is correct
30 Correct 43 ms 2656 KB Output is correct
31 Correct 48 ms 2884 KB Output is correct
32 Correct 50 ms 2896 KB Output is correct
33 Correct 48 ms 2768 KB Output is correct
34 Correct 51 ms 2716 KB Output is correct

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 372 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 4 ms 464 KB Output is correct
8 Correct 8 ms 720 KB Output is correct
9 Correct 14 ms 1052 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 10 ms 976 KB Output is correct
12 Correct 16 ms 1196 KB Output is correct
13 Correct 17 ms 1072 KB Output is correct
14 Correct 14 ms 1140 KB Output is correct
15 Correct 41 ms 2640 KB Output is correct
16 Correct 42 ms 2648 KB Output is correct
17 Correct 40 ms 2696 KB Output is correct
18 Correct 40 ms 2524 KB Output is correct
19 Correct 43 ms 2692 KB Output is correct
20 Correct 42 ms 2692 KB Output is correct
21 Correct 41 ms 2724 KB Output is correct
22 Correct 42 ms 2544 KB Output is correct
23 Correct 46 ms 2768 KB Output is correct
24 Correct 44 ms 2740 KB Output is correct
25 Correct 43 ms 2732 KB Output is correct
26 Correct 47 ms 2592 KB Output is correct
27 Correct 44 ms 2796 KB Output is correct
28 Correct 44 ms 2784 KB Output is correct
29 Correct 51 ms 2804 KB Output is correct
30 Correct 43 ms 2656 KB Output is correct
31 Correct 48 ms 2884 KB Output is correct
32 Correct 50 ms 2896 KB Output is correct
33 Correct 48 ms 2768 KB Output is correct
34 Correct 51 ms 2716 KB Output is correct
35 Incorrect 57 ms 2788 KB Wrong Answer [2]
36 Halted 0 ms 0 KB -