oj.uz

Submission #624924

# Submission time Handle Problem Language Result Execution time Memory
624924 2022-08-09T06:28:13 Z Do_you_copy Minerals (JOI19_minerals) C++17
90 / 100
 42 ms 2500 KB 
#include <bits/stdc++.h>
#include "minerals.h"
#define taskname "test"
#define fi first
#define se second
#define pb push_back
#define faster ios_base::sync_with_stdio(0); cin.tie(0);
using namespace std;
using ll = long long;
using ull = unsigned ll;
using ld = long double;
using pii = pair <int, int>;
using pil = pair <int, ll>;
using pli = pair <ll, int>;
using pll = pair <ll, ll>;
mt19937 Rand(chrono::steady_clock::now().time_since_epoch().count());

ll min(const ll &a, const ll &b){
    return (a < b) ? a : b;
}

ll max(const ll &a, const ll &b){
    return (a > b) ? a : b;
}

//const ll Mod = 1000000007;
//const ll Mod2 = 999999999989;
//only use when required
const int maxN = 1e5 + 1;

int n;

vector <int> a, b;
int cur = 0;
bool open[maxN];
ll cntt =0;
void parallel_bs(vector <int> &w, int l = 1, int r = n){
    if (l == r){
        Answer(w.back(), a[l]);
        w.clear();
        return;
    }
    int mid = (l + r) / 2;
    int last = 0;
    for (int i = l; i <= mid; ++i){
        if (open[a[i]]){
            open[a[i]] = 0;
            last = Query(a[i]);
        }
    }
    for (int i = mid + 1; i <= r; ++i){
        if (!open[a[i]]){
            open[a[i]] = 1;
            last = Query(a[i]);
        }
    }
    vector <int> left, right;
    int _ = 0;
    for (_ = 0; _ < w.size(); ++_){
        int i = w[_];
        int tem = Query(i);
        ++cntt;
        open[i] ^= 1;
        if (last == tem) left.pb(i);
        else right.pb(i);
        if (left.size() == r - mid || right.size() == mid - l + 1) break;
        last = tem;
    }
    ++_;
    if (left.size() == r - mid){
        for (; _ < w.size(); ++_){
            int i = w[_];
            right.pb(i);
        }
    }
    else if (right.size() == mid - l + 1){
        for (; _ < w.size(); ++_){
            int i = w[_];
            left.pb(i);
        }
    }
    swap(left, right);
    //cerr << l << " " << r << " " << mid << " " << left.size() << " " << right.size() << "\n";
    assert(right.size() == r - mid);
    w.clear();
    parallel_bs(left, l, mid);
    parallel_bs(right, mid + 1, r);
}

void Solve(int N){
    n = N;
    int last = 0;
    a.pb(0);
    for (int i = 1; i <= 2 * n; ++i){
        int tem = Query(i);
        if (tem > last) a.pb(i);
        else b.pb(i);
        last = tem;
    }
    fill (open, open + 2 * n + 1, 1);
    parallel_bs(b, 1, n);
}

Compilation message

minerals.cpp: In function 'void parallel_bs(std::vector<int>&, int, int)':
minerals.cpp:59:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |     for (_ = 0; _ < w.size(); ++_){
      |                 ~~^~~~~~~~~~
minerals.cpp:66:25: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   66 |         if (left.size() == r - mid || right.size() == mid - l + 1) break;
      |             ~~~~~~~~~~~~^~~~~~~~~~
minerals.cpp:66:52: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   66 |         if (left.size() == r - mid || right.size() == mid - l + 1) break;
      |                                       ~~~~~~~~~~~~~^~~~~~~~~~~~~~
minerals.cpp:70:21: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   70 |     if (left.size() == r - mid){
      |         ~~~~~~~~~~~~^~~~~~~~~~
minerals.cpp:71:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   71 |         for (; _ < w.size(); ++_){
      |                ~~^~~~~~~~~~
minerals.cpp:76:27: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   76 |     else if (right.size() == mid - l + 1){
      |              ~~~~~~~~~~~~~^~~~~~~~~~~~~~
minerals.cpp:77:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   77 |         for (; _ < w.size(); ++_){
      |                ~~^~~~~~~~~~
In file included from /usr/include/c++/10/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from minerals.cpp:1:
minerals.cpp:84:25: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   84 |     assert(right.size() == r - mid);
      |            ~~~~~~~~~~~~~^~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 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 2 ms 336 KB Output is correct
2 Correct 2 ms 336 KB Output is correct
3 Correct 3 ms 464 KB Output is correct
4 Correct 6 ms 636 KB Output is correct
5 Correct 12 ms 1000 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 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 2 ms 336 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 3 ms 464 KB Output is correct
8 Correct 6 ms 636 KB Output is correct
9 Correct 12 ms 1000 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 9 ms 848 KB Output is correct
12 Correct 15 ms 976 KB Output is correct
13 Correct 11 ms 1068 KB Output is correct
14 Correct 9 ms 984 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 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 2 ms 336 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 3 ms 464 KB Output is correct
8 Correct 6 ms 636 KB Output is correct
9 Correct 12 ms 1000 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 9 ms 848 KB Output is correct
12 Correct 15 ms 976 KB Output is correct
13 Correct 11 ms 1068 KB Output is correct
14 Correct 9 ms 984 KB Output is correct
15 Correct 34 ms 2272 KB Output is correct
16 Correct 42 ms 2308 KB Output is correct
17 Correct 23 ms 2160 KB Output is correct
18 Correct 21 ms 2048 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 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 2 ms 336 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 3 ms 464 KB Output is correct
8 Correct 6 ms 636 KB Output is correct
9 Correct 12 ms 1000 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 9 ms 848 KB Output is correct
12 Correct 15 ms 976 KB Output is correct
13 Correct 11 ms 1068 KB Output is correct
14 Correct 9 ms 984 KB Output is correct
15 Correct 34 ms 2272 KB Output is correct
16 Correct 42 ms 2308 KB Output is correct
17 Correct 23 ms 2160 KB Output is correct
18 Correct 21 ms 2048 KB Output is correct
19 Correct 31 ms 2288 KB Output is correct
20 Correct 38 ms 2276 KB Output is correct
21 Correct 24 ms 2176 KB Output is correct
22 Correct 26 ms 2072 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 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 2 ms 336 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 3 ms 464 KB Output is correct
8 Correct 6 ms 636 KB Output is correct
9 Correct 12 ms 1000 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 9 ms 848 KB Output is correct
12 Correct 15 ms 976 KB Output is correct
13 Correct 11 ms 1068 KB Output is correct
14 Correct 9 ms 984 KB Output is correct
15 Correct 34 ms 2272 KB Output is correct
16 Correct 42 ms 2308 KB Output is correct
17 Correct 23 ms 2160 KB Output is correct
18 Correct 21 ms 2048 KB Output is correct
19 Correct 31 ms 2288 KB Output is correct
20 Correct 38 ms 2276 KB Output is correct
21 Correct 24 ms 2176 KB Output is correct
22 Correct 26 ms 2072 KB Output is correct
23 Correct 38 ms 2376 KB Output is correct
24 Correct 33 ms 2416 KB Output is correct
25 Correct 27 ms 2256 KB Output is correct
26 Correct 27 ms 2120 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 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 2 ms 336 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 3 ms 464 KB Output is correct
8 Correct 6 ms 636 KB Output is correct
9 Correct 12 ms 1000 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 9 ms 848 KB Output is correct
12 Correct 15 ms 976 KB Output is correct
13 Correct 11 ms 1068 KB Output is correct
14 Correct 9 ms 984 KB Output is correct
15 Correct 34 ms 2272 KB Output is correct
16 Correct 42 ms 2308 KB Output is correct
17 Correct 23 ms 2160 KB Output is correct
18 Correct 21 ms 2048 KB Output is correct
19 Correct 31 ms 2288 KB Output is correct
20 Correct 38 ms 2276 KB Output is correct
21 Correct 24 ms 2176 KB Output is correct
22 Correct 26 ms 2072 KB Output is correct
23 Correct 38 ms 2376 KB Output is correct
24 Correct 33 ms 2416 KB Output is correct
25 Correct 27 ms 2256 KB Output is correct
26 Correct 27 ms 2120 KB Output is correct
27 Correct 38 ms 2436 KB Output is correct
28 Correct 35 ms 2424 KB Output is correct
29 Correct 22 ms 2404 KB Output is correct
30 Correct 22 ms 2216 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 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 2 ms 336 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 3 ms 464 KB Output is correct
8 Correct 6 ms 636 KB Output is correct
9 Correct 12 ms 1000 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 9 ms 848 KB Output is correct
12 Correct 15 ms 976 KB Output is correct
13 Correct 11 ms 1068 KB Output is correct
14 Correct 9 ms 984 KB Output is correct
15 Correct 34 ms 2272 KB Output is correct
16 Correct 42 ms 2308 KB Output is correct
17 Correct 23 ms 2160 KB Output is correct
18 Correct 21 ms 2048 KB Output is correct
19 Correct 31 ms 2288 KB Output is correct
20 Correct 38 ms 2276 KB Output is correct
21 Correct 24 ms 2176 KB Output is correct
22 Correct 26 ms 2072 KB Output is correct
23 Correct 38 ms 2376 KB Output is correct
24 Correct 33 ms 2416 KB Output is correct
25 Correct 27 ms 2256 KB Output is correct
26 Correct 27 ms 2120 KB Output is correct
27 Correct 38 ms 2436 KB Output is correct
28 Correct 35 ms 2424 KB Output is correct
29 Correct 22 ms 2404 KB Output is correct
30 Correct 22 ms 2216 KB Output is correct
31 Correct 33 ms 2380 KB Output is correct
32 Correct 36 ms 2492 KB Output is correct
33 Correct 28 ms 2380 KB Output is correct
34 Correct 29 ms 2264 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 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 2 ms 336 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 3 ms 464 KB Output is correct
8 Correct 6 ms 636 KB Output is correct
9 Correct 12 ms 1000 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 9 ms 848 KB Output is correct
12 Correct 15 ms 976 KB Output is correct
13 Correct 11 ms 1068 KB Output is correct
14 Correct 9 ms 984 KB Output is correct
15 Correct 34 ms 2272 KB Output is correct
16 Correct 42 ms 2308 KB Output is correct
17 Correct 23 ms 2160 KB Output is correct
18 Correct 21 ms 2048 KB Output is correct
19 Correct 31 ms 2288 KB Output is correct
20 Correct 38 ms 2276 KB Output is correct
21 Correct 24 ms 2176 KB Output is correct
22 Correct 26 ms 2072 KB Output is correct
23 Correct 38 ms 2376 KB Output is correct
24 Correct 33 ms 2416 KB Output is correct
25 Correct 27 ms 2256 KB Output is correct
26 Correct 27 ms 2120 KB Output is correct
27 Correct 38 ms 2436 KB Output is correct
28 Correct 35 ms 2424 KB Output is correct
29 Correct 22 ms 2404 KB Output is correct
30 Correct 22 ms 2216 KB Output is correct
31 Correct 33 ms 2380 KB Output is correct
32 Correct 36 ms 2492 KB Output is correct
33 Correct 28 ms 2380 KB Output is correct
34 Correct 29 ms 2264 KB Output is correct
35 Incorrect 36 ms 2500 KB Wrong Answer [2]
36 Halted 0 ms 0 KB -