oj.uz

Submission #376875

# Submission time Handle Problem Language Result Execution time Memory
376875 2021-03-12T05:58:36 Z wiwiho Minerals (JOI19_minerals) C++14
40 / 100
 160 ms 4456 KB 
#include "minerals.h"
 
#include<bits/stdc++.h>
 
#define mp make_pair
#define F first
#define S second
#define iter(a) a.begin(), a.end()
#define lsort(a) sort(iter(a))
#define printv(a, b) { \
    for(auto pv : a) b << pv << " "; \
    b << "\n"; \
}
#define eb emplace_back
 
using namespace std;
 
typedef long long ll;
 
using pll = pair<ll, ll>;
using pii = pair<int, int>;
 
ostream& operator<<(ostream& o, pll p){
    return o << '(' << p.F << ',' << p.S << ')';
}
 
vector<int> t;
vector<int> ans;
vector<pii> rng;

set<int> ma;
int query(int i){
    if(ma.find(i) == ma.end()) ma.insert(i);
    else ma.erase(i);
    return Query(i);
}

int n;
 
void dothing(int l, int r){
    set<int> oao;
    for(int i = l; i <= r; i++){
        oao.insert(t[i]);
    }
    set<int> del;
    for(int i : ma){
        if(oao.find(i) == oao.end()) del.insert(i);
    }
    for(int i : del) query(i);
    for(int i : oao) if(ma.find(i) == ma.end()) query(i);
    //cerr << l << " " << r << "  ";
    //printv(ma, cerr);
}
 
void check(int cnt, vector<int>& now, vector<int>& yes, vector<int>& no, int l, int r){
    for(int i : now){
        if(rng[i].S < l || r < rng[i].F){
            no.eb(i);
            continue;
        }
        int rs = query(i);
        //cerr << "check " << l << " " << r << " " << i << " " << rng[i] << " " << rs << "\n";
        if(rs == cnt) yes.eb(i);
        else no.eb(i);
        query(i);
    }
}
 
void bs(int l, int r, vector<int>& now){
    if(l > r || now.empty()) return;
    //cerr << "bs " << l << " " << r << "  ";
    //printv(now, cerr);
    if(l == r){
        for(int i : now) ans[i] = t[l];
        return;
    }
    int m = (l + r) / 2;
    dothing(l, m);
    //cerr << "ma ";
    //printv(ma, cerr);
    vector<int> yes, no;
    check(m - l + 1, now, yes, no, l, m);
    vector<int>().swap(now);
    bs(l, m, yes);
    bs(m + 1, r, no);
}
 
void Solve(int _n){
    n = _n;
 
    vector<int> now;
    ans.resize(2 * n + 1, -1);
    rng.resize(2 * n + 1);
    for(int i = 1; i <= 2 * n; i++){
        int r = query(i);
        if(r != t.size() + 1){
            now.eb(i);
            query(i);
            rng[i] = mp(0, (int)t.size() - 1);
        }
        else t.eb(i);
    }
    //printv(now, cerr);
    //printv(t, cerr);
    //printv(rng, cerr);
    for(int i : t) query(i);
 
    vector<int> tnow = now;
    bs(0, n - 1, tnow);
    //printv(ans, cerr);
    for(int i : now){
        Answer(i, ans[i]);
    }
 
}

Compilation message

minerals.cpp: In function 'void Solve(int)':
minerals.cpp:96:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   96 |         if(r != t.size() + 1){
      |            ~~^~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 492 KB Output is correct
2 Correct 7 ms 492 KB Output is correct
3 Correct 17 ms 748 KB Output is correct
4 Correct 37 ms 1260 KB Output is correct
5 Correct 78 ms 2028 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 3 ms 492 KB Output is correct
6 Correct 7 ms 492 KB Output is correct
7 Correct 17 ms 748 KB Output is correct
8 Correct 37 ms 1260 KB Output is correct
9 Correct 78 ms 2028 KB Output is correct
10 Correct 4 ms 492 KB Output is correct
11 Correct 48 ms 1516 KB Output is correct
12 Correct 77 ms 2028 KB Output is correct
13 Correct 83 ms 1900 KB Output is correct
14 Correct 75 ms 2028 KB Output is correct

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 3 ms 492 KB Output is correct
6 Correct 7 ms 492 KB Output is correct
7 Correct 17 ms 748 KB Output is correct
8 Correct 37 ms 1260 KB Output is correct
9 Correct 78 ms 2028 KB Output is correct
10 Correct 4 ms 492 KB Output is correct
11 Correct 48 ms 1516 KB Output is correct
12 Correct 77 ms 2028 KB Output is correct
13 Correct 83 ms 1900 KB Output is correct
14 Correct 75 ms 2028 KB Output is correct
15 Incorrect 160 ms 4456 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 3 ms 492 KB Output is correct
6 Correct 7 ms 492 KB Output is correct
7 Correct 17 ms 748 KB Output is correct
8 Correct 37 ms 1260 KB Output is correct
9 Correct 78 ms 2028 KB Output is correct
10 Correct 4 ms 492 KB Output is correct
11 Correct 48 ms 1516 KB Output is correct
12 Correct 77 ms 2028 KB Output is correct
13 Correct 83 ms 1900 KB Output is correct
14 Correct 75 ms 2028 KB Output is correct
15 Incorrect 160 ms 4456 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 3 ms 492 KB Output is correct
6 Correct 7 ms 492 KB Output is correct
7 Correct 17 ms 748 KB Output is correct
8 Correct 37 ms 1260 KB Output is correct
9 Correct 78 ms 2028 KB Output is correct
10 Correct 4 ms 492 KB Output is correct
11 Correct 48 ms 1516 KB Output is correct
12 Correct 77 ms 2028 KB Output is correct
13 Correct 83 ms 1900 KB Output is correct
14 Correct 75 ms 2028 KB Output is correct
15 Incorrect 160 ms 4456 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 3 ms 492 KB Output is correct
6 Correct 7 ms 492 KB Output is correct
7 Correct 17 ms 748 KB Output is correct
8 Correct 37 ms 1260 KB Output is correct
9 Correct 78 ms 2028 KB Output is correct
10 Correct 4 ms 492 KB Output is correct
11 Correct 48 ms 1516 KB Output is correct
12 Correct 77 ms 2028 KB Output is correct
13 Correct 83 ms 1900 KB Output is correct
14 Correct 75 ms 2028 KB Output is correct
15 Incorrect 160 ms 4456 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 3 ms 492 KB Output is correct
6 Correct 7 ms 492 KB Output is correct
7 Correct 17 ms 748 KB Output is correct
8 Correct 37 ms 1260 KB Output is correct
9 Correct 78 ms 2028 KB Output is correct
10 Correct 4 ms 492 KB Output is correct
11 Correct 48 ms 1516 KB Output is correct
12 Correct 77 ms 2028 KB Output is correct
13 Correct 83 ms 1900 KB Output is correct
14 Correct 75 ms 2028 KB Output is correct
15 Incorrect 160 ms 4456 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 3 ms 492 KB Output is correct
6 Correct 7 ms 492 KB Output is correct
7 Correct 17 ms 748 KB Output is correct
8 Correct 37 ms 1260 KB Output is correct
9 Correct 78 ms 2028 KB Output is correct
10 Correct 4 ms 492 KB Output is correct
11 Correct 48 ms 1516 KB Output is correct
12 Correct 77 ms 2028 KB Output is correct
13 Correct 83 ms 1900 KB Output is correct
14 Correct 75 ms 2028 KB Output is correct
15 Incorrect 160 ms 4456 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -