oj.uz

Submission #1043734

# Submission time Handle Problem Language Result Execution time Memory
1043734 2024-08-04T15:18:04 Z GrindMachine Minerals (JOI19_minerals) C++17
40 / 100
 20 ms 3800 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

template<typename T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long int ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define pb push_back
#define endl '\n'
#define sz(a) (int)a.size()
#define setbits(x) __builtin_popcountll(x)
#define ff first
#define ss second
#define conts continue
#define ceil2(x,y) ((x+y-1)/(y))
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define yes cout << "Yes" << endl
#define no cout << "No" << endl

#define rep(i,n) for(int i = 0; i < n; ++i)
#define rep1(i,n) for(int i = 1; i <= n; ++i)
#define rev(i,s,e) for(int i = s; i >= e; --i)
#define trav(i,a) for(auto &i : a)

template<typename T>
void amin(T &a, T b) {
    a = min(a,b);
}

template<typename T>
void amax(T &a, T b) {
    a = max(a,b);
}

#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif

/*

refs:
some other solutions

*/

const int MOD = 1e9 + 7;
const int N = 1e5 + 5;
const int inf1 = int(1e9) + 5;
const ll inf2 = ll(1e18) + 5;

#include "minerals.h"

vector<pii> ans;
vector<ll> there(N);

void go(vector<int> &a, vector<int> &b){
    if(a.empty()) return;
    if(sz(a) == 1){
        ans.pb({a[0],b[0]});
        return;
    }

    vector<int> al,ar;
    int d = 0;

    rep(i,sz(a)){
        if(i < sz(a)/2){
            al.pb(a[i]);
            if(!there[a[i]]){
                d = Query(a[i]);
                there[a[i]] = 1;
            }
        }
        else{
            ar.pb(a[i]);
            if(there[a[i]]){
                d = Query(a[i]);
                there[a[i]] = 0;
            }
        }
    }

    vector<int> bl,br;

    trav(x,b){
        int res = Query(x);
        there[x] ^= 1;
        if(res == d){
            bl.pb(x);
        }
        else{
            br.pb(x);
        }
        d = res;
    }

    go(al,bl);
    go(ar,br);
}

void Solve(int n) {
    // int v = Query(1);
    // for (int i = 1; i <= N; ++i) {
    //     Answer(i, 2 * N + 1 - i);
    // }

    vector<int> v1,v2;
    int distinct = 0;

    rep1(i,2*n){
        int x = Query(i);
        if(x == distinct+1){
            v1.pb(i);
            distinct++;
        }
        else{
            v2.pb(i);
        }
    }

    rep1(i,2*n) Query(i);
    
    go(v1,v2);

    for(auto [i,j] : ans){
        Answer(i,j);
    }
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1112 KB Output is correct
2 Correct 0 ms 1112 KB Output is correct
3 Correct 0 ms 1112 KB Output is correct
4 Correct 0 ms 1112 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1112 KB Output is correct
2 Correct 1 ms 1368 KB Output is correct
3 Correct 2 ms 1368 KB Output is correct
4 Correct 4 ms 1552 KB Output is correct
5 Correct 7 ms 2136 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1112 KB Output is correct
2 Correct 0 ms 1112 KB Output is correct
3 Correct 0 ms 1112 KB Output is correct
4 Correct 0 ms 1112 KB Output is correct
5 Correct 1 ms 1112 KB Output is correct
6 Correct 1 ms 1368 KB Output is correct
7 Correct 2 ms 1368 KB Output is correct
8 Correct 4 ms 1552 KB Output is correct
9 Correct 7 ms 2136 KB Output is correct
10 Correct 1 ms 1112 KB Output is correct
11 Correct 5 ms 1880 KB Output is correct
12 Correct 9 ms 2136 KB Output is correct
13 Correct 6 ms 2136 KB Output is correct
14 Correct 6 ms 2136 KB Output is correct

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1112 KB Output is correct
2 Correct 0 ms 1112 KB Output is correct
3 Correct 0 ms 1112 KB Output is correct
4 Correct 0 ms 1112 KB Output is correct
5 Correct 1 ms 1112 KB Output is correct
6 Correct 1 ms 1368 KB Output is correct
7 Correct 2 ms 1368 KB Output is correct
8 Correct 4 ms 1552 KB Output is correct
9 Correct 7 ms 2136 KB Output is correct
10 Correct 1 ms 1112 KB Output is correct
11 Correct 5 ms 1880 KB Output is correct
12 Correct 9 ms 2136 KB Output is correct
13 Correct 6 ms 2136 KB Output is correct
14 Correct 6 ms 2136 KB Output is correct
15 Incorrect 20 ms 3800 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 1112 KB Output is correct
2 Correct 0 ms 1112 KB Output is correct
3 Correct 0 ms 1112 KB Output is correct
4 Correct 0 ms 1112 KB Output is correct
5 Correct 1 ms 1112 KB Output is correct
6 Correct 1 ms 1368 KB Output is correct
7 Correct 2 ms 1368 KB Output is correct
8 Correct 4 ms 1552 KB Output is correct
9 Correct 7 ms 2136 KB Output is correct
10 Correct 1 ms 1112 KB Output is correct
11 Correct 5 ms 1880 KB Output is correct
12 Correct 9 ms 2136 KB Output is correct
13 Correct 6 ms 2136 KB Output is correct
14 Correct 6 ms 2136 KB Output is correct
15 Incorrect 20 ms 3800 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 1112 KB Output is correct
2 Correct 0 ms 1112 KB Output is correct
3 Correct 0 ms 1112 KB Output is correct
4 Correct 0 ms 1112 KB Output is correct
5 Correct 1 ms 1112 KB Output is correct
6 Correct 1 ms 1368 KB Output is correct
7 Correct 2 ms 1368 KB Output is correct
8 Correct 4 ms 1552 KB Output is correct
9 Correct 7 ms 2136 KB Output is correct
10 Correct 1 ms 1112 KB Output is correct
11 Correct 5 ms 1880 KB Output is correct
12 Correct 9 ms 2136 KB Output is correct
13 Correct 6 ms 2136 KB Output is correct
14 Correct 6 ms 2136 KB Output is correct
15 Incorrect 20 ms 3800 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 1112 KB Output is correct
2 Correct 0 ms 1112 KB Output is correct
3 Correct 0 ms 1112 KB Output is correct
4 Correct 0 ms 1112 KB Output is correct
5 Correct 1 ms 1112 KB Output is correct
6 Correct 1 ms 1368 KB Output is correct
7 Correct 2 ms 1368 KB Output is correct
8 Correct 4 ms 1552 KB Output is correct
9 Correct 7 ms 2136 KB Output is correct
10 Correct 1 ms 1112 KB Output is correct
11 Correct 5 ms 1880 KB Output is correct
12 Correct 9 ms 2136 KB Output is correct
13 Correct 6 ms 2136 KB Output is correct
14 Correct 6 ms 2136 KB Output is correct
15 Incorrect 20 ms 3800 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 1112 KB Output is correct
2 Correct 0 ms 1112 KB Output is correct
3 Correct 0 ms 1112 KB Output is correct
4 Correct 0 ms 1112 KB Output is correct
5 Correct 1 ms 1112 KB Output is correct
6 Correct 1 ms 1368 KB Output is correct
7 Correct 2 ms 1368 KB Output is correct
8 Correct 4 ms 1552 KB Output is correct
9 Correct 7 ms 2136 KB Output is correct
10 Correct 1 ms 1112 KB Output is correct
11 Correct 5 ms 1880 KB Output is correct
12 Correct 9 ms 2136 KB Output is correct
13 Correct 6 ms 2136 KB Output is correct
14 Correct 6 ms 2136 KB Output is correct
15 Incorrect 20 ms 3800 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 1112 KB Output is correct
2 Correct 0 ms 1112 KB Output is correct
3 Correct 0 ms 1112 KB Output is correct
4 Correct 0 ms 1112 KB Output is correct
5 Correct 1 ms 1112 KB Output is correct
6 Correct 1 ms 1368 KB Output is correct
7 Correct 2 ms 1368 KB Output is correct
8 Correct 4 ms 1552 KB Output is correct
9 Correct 7 ms 2136 KB Output is correct
10 Correct 1 ms 1112 KB Output is correct
11 Correct 5 ms 1880 KB Output is correct
12 Correct 9 ms 2136 KB Output is correct
13 Correct 6 ms 2136 KB Output is correct
14 Correct 6 ms 2136 KB Output is correct
15 Incorrect 20 ms 3800 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -