oj.uz

Submission #376871

# Submission time Handle Problem Language Result Execution time Memory
376871 2021-03-12T05:56:11 Z wiwiho Minerals (JOI19_minerals) C++14
40 / 100
 1000 ms 4328 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){
    for(int i = 0; i < n; i++){
        //cerr << i << " " << l << " " << r << "\n";
        if(i < l || r < i){
            if(ma.find(t[i]) != ma.end()) query(t[i]);
        }
        else{
            if(ma.find(t[i]) == ma.end()) query(t[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:95:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   95 |         if(r != t.size() + 1){
      |            ~~^~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 7 ms 492 KB Output is correct
2 Correct 23 ms 492 KB Output is correct
3 Correct 73 ms 876 KB Output is correct
4 Correct 320 ms 1208 KB Output is correct
5 Correct 965 ms 1928 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 7 ms 492 KB Output is correct
6 Correct 23 ms 492 KB Output is correct
7 Correct 73 ms 876 KB Output is correct
8 Correct 320 ms 1208 KB Output is correct
9 Correct 965 ms 1928 KB Output is correct
10 Correct 8 ms 492 KB Output is correct
11 Correct 413 ms 1440 KB Output is correct
12 Correct 956 ms 2028 KB Output is correct
13 Correct 921 ms 2028 KB Output is correct
14 Correct 916 ms 2028 KB Output is correct

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 7 ms 492 KB Output is correct
6 Correct 23 ms 492 KB Output is correct
7 Correct 73 ms 876 KB Output is correct
8 Correct 320 ms 1208 KB Output is correct
9 Correct 965 ms 1928 KB Output is correct
10 Correct 8 ms 492 KB Output is correct
11 Correct 413 ms 1440 KB Output is correct
12 Correct 956 ms 2028 KB Output is correct
13 Correct 921 ms 2028 KB Output is correct
14 Correct 916 ms 2028 KB Output is correct
15 Execution timed out 2762 ms 4328 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 7 ms 492 KB Output is correct
6 Correct 23 ms 492 KB Output is correct
7 Correct 73 ms 876 KB Output is correct
8 Correct 320 ms 1208 KB Output is correct
9 Correct 965 ms 1928 KB Output is correct
10 Correct 8 ms 492 KB Output is correct
11 Correct 413 ms 1440 KB Output is correct
12 Correct 956 ms 2028 KB Output is correct
13 Correct 921 ms 2028 KB Output is correct
14 Correct 916 ms 2028 KB Output is correct
15 Execution timed out 2762 ms 4328 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 7 ms 492 KB Output is correct
6 Correct 23 ms 492 KB Output is correct
7 Correct 73 ms 876 KB Output is correct
8 Correct 320 ms 1208 KB Output is correct
9 Correct 965 ms 1928 KB Output is correct
10 Correct 8 ms 492 KB Output is correct
11 Correct 413 ms 1440 KB Output is correct
12 Correct 956 ms 2028 KB Output is correct
13 Correct 921 ms 2028 KB Output is correct
14 Correct 916 ms 2028 KB Output is correct
15 Execution timed out 2762 ms 4328 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 7 ms 492 KB Output is correct
6 Correct 23 ms 492 KB Output is correct
7 Correct 73 ms 876 KB Output is correct
8 Correct 320 ms 1208 KB Output is correct
9 Correct 965 ms 1928 KB Output is correct
10 Correct 8 ms 492 KB Output is correct
11 Correct 413 ms 1440 KB Output is correct
12 Correct 956 ms 2028 KB Output is correct
13 Correct 921 ms 2028 KB Output is correct
14 Correct 916 ms 2028 KB Output is correct
15 Execution timed out 2762 ms 4328 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 7 ms 492 KB Output is correct
6 Correct 23 ms 492 KB Output is correct
7 Correct 73 ms 876 KB Output is correct
8 Correct 320 ms 1208 KB Output is correct
9 Correct 965 ms 1928 KB Output is correct
10 Correct 8 ms 492 KB Output is correct
11 Correct 413 ms 1440 KB Output is correct
12 Correct 956 ms 2028 KB Output is correct
13 Correct 921 ms 2028 KB Output is correct
14 Correct 916 ms 2028 KB Output is correct
15 Execution timed out 2762 ms 4328 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 7 ms 492 KB Output is correct
6 Correct 23 ms 492 KB Output is correct
7 Correct 73 ms 876 KB Output is correct
8 Correct 320 ms 1208 KB Output is correct
9 Correct 965 ms 1928 KB Output is correct
10 Correct 8 ms 492 KB Output is correct
11 Correct 413 ms 1440 KB Output is correct
12 Correct 956 ms 2028 KB Output is correct
13 Correct 921 ms 2028 KB Output is correct
14 Correct 916 ms 2028 KB Output is correct
15 Execution timed out 2762 ms 4328 KB Time limit exceeded
16 Halted 0 ms 0 KB -