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답안 #489314

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
489314 2021-11-22T09:11:45 Z balbit Minerals (JOI19_minerals) C++14
85 / 100
 43 ms 2796 KB 
#include "minerals.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define y1 zck_is_king
#define pii pair<int, int>
#define ull unsigned ll
#define f first
#define s second
#define ALL(x) x.begin(),x.end()
#define SZ(x) (int)x.size()
#define SQ(x) (x)*(x)
#define MN(a,b) a = min(a,(__typeof__(a))(b))
#define MX(a,b) a = max(a,(__typeof__(a))(b))
#define pb push_back
#define REP(i,n) for (int i = 0; i<n; ++i)
#define RREP(i,n) for (int i = n-1; i>=0; --i)
#define RREP(i,n) for (int i = n-1; i>=0; --i)
#define REP1(i,n) for (int i = 1; i<=n; ++i)
#define SORT_UNIQUE(c) (sort(c.begin(),c.end()), c.resize(distance(c.begin(),unique(c.begin(),c.end()))))
#ifdef BALBIT
#define IOS()
#define bug(...) fprintf(stderr,"#%d (%s) = ",__LINE__,#__VA_ARGS__),_do(__VA_ARGS__);
template<typename T> void _do(T &&x){cerr<<x<<endl;}
template<typename T, typename ...S> void _do(T &&x, S &&...y){cerr<<x<<", ";_do(y...);}
#else
#define IOS() ios_base::sync_with_stdio(0);cin.tie(0);
#define endl '\n'
#define bug(...)
#endif

const int iinf = 1e9+10;
const ll inf = 1ll<<60;
const ll mod = 1e9+7 ;


void GG(){cout<<"0\n"; exit(0);}

ll mpow(ll a, ll n, ll mo = mod){ // a^n % mod
    ll re=1;
    while (n>0){
        if (n&1) re = re*a %mo;
        a = a*a %mo;
        n>>=1;
    }
    return re;
}

ll inv (ll b, ll mo = mod){
    if (b==1) return b;
    return (mo-mo/b) * inv(mo%b,mo) % mo;
}

const int maxn = 1e5+5;
namespace {

vector<int> g1, g2; // group 1, group 2, each is a permutation
bool in[maxn]; // 0-based

int to[maxn]; // to[A] = B => g1[A] matches with g2[B]

int lst = 0;
int QU(int x) {
    in[x] ^= 1;
    return lst = Query(x+1);
}
};


void gogo(int l, int r, vector<int> a) {
    assert(r-l+1 == SZ(a));
    bug(l,r);
//    for (int x : a) cout<<x<<' ';
//    cout<<endl;
    if (l == r) {
        to[a[0]] = l;
        return;
    }
    int mid = (l+r)/2;
    // flip the range from mid+1 to r
    for (int i = mid+1; i<=r; ++i) {
        QU(g2[i]);
    }
    vector<int> tol, tor;
    REP(i, SZ(a)-1) {
        int pv = lst;
        bool inset = QU(g1[a[i]]) != pv;
        bool setisleft = in[g2[l]];
        if (inset ^ setisleft ^ 1) {
            tor.pb(a[i]);
//            bug(a[i], "going right");
        }else{
            tol.pb(a[i]);
//            bug(a[i], "going left");
        }
    }
    if (SZ(tol) < (mid-l+1)) {
        tol.pb(a.back());
    }
    else {
        tor.pb(a.back());
    }
    gogo(l,mid,tol); gogo(mid+1,r,tor);
}

void Solve(int N) {
    int prv = 0;
    REP(i,N*2) {
        if (QU(i) != prv) {
            ++prv; g1.pb(i);
        }else{
            g2.pb(i);
        }
    }
    #ifdef BALBIT
    for (int x : g1) cout<<x<<' ';
    cout<<endl;
    for (int x : g2) cout<<x<<' ';
    cout<<endl;
    #endif // BALBIT

    // now, everything is inside the mineral machine

//    bool inside = 1;
//
//    RREP(bit, 16) {
//        // which bit do I care about?
//        int needmove = 0;
//        REP(i,N) {
//            if (((i>>bit)&1) ^ in[g2[i]]) {
//                ++needmove; // need to move if
//            }
//        }
//        bool flp = 0;
//        if (N-needmove < needmove) {
//            flp = 1;
//        }
//        REP(i,N) {
//            if (((i>>bit)&1) ^ flp ^ in[g2[i]]) {
//                QU(g2[i]);
//            }
//        }
//
//        REP(i,N) {
//            int tmp = lst;
//            if ((QU(g1[i]) != tmp) ^ flp ^ 1) {
//                // this is inside the set of g2
//                to[i] += (1<<bit);
//            } // remove it
//        }
//    }
    vector<int> st(N);
    REP(i,N) st[i] = i;
    gogo(0,N-1,st);

    REP(i,N) {
        bug(i, to[i]);
    }

    REP(i,N) {
        Answer(1+g1[i], 1+g2[to[i]]);
    }

}




/*
4
1 5
2 6
3 4
7 8
*/

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct

Subtask #2
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 2 ms 328 KB Output is correct
3 Correct 4 ms 456 KB Output is correct
4 Correct 7 ms 712 KB Output is correct
5 Correct 12 ms 1216 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 456 KB Output is correct
8 Correct 7 ms 712 KB Output is correct
9 Correct 12 ms 1216 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 8 ms 896 KB Output is correct
12 Correct 12 ms 1180 KB Output is correct
13 Correct 10 ms 1224 KB Output is correct
14 Correct 11 ms 1204 KB Output is correct

Subtask #4
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 456 KB Output is correct
8 Correct 7 ms 712 KB Output is correct
9 Correct 12 ms 1216 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 8 ms 896 KB Output is correct
12 Correct 12 ms 1180 KB Output is correct
13 Correct 10 ms 1224 KB Output is correct
14 Correct 11 ms 1204 KB Output is correct
15 Correct 32 ms 2640 KB Output is correct
16 Correct 32 ms 2620 KB Output is correct
17 Correct 30 ms 2600 KB Output is correct
18 Correct 26 ms 2472 KB Output is correct

Subtask #5
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 456 KB Output is correct
8 Correct 7 ms 712 KB Output is correct
9 Correct 12 ms 1216 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 8 ms 896 KB Output is correct
12 Correct 12 ms 1180 KB Output is correct
13 Correct 10 ms 1224 KB Output is correct
14 Correct 11 ms 1204 KB Output is correct
15 Correct 32 ms 2640 KB Output is correct
16 Correct 32 ms 2620 KB Output is correct
17 Correct 30 ms 2600 KB Output is correct
18 Correct 26 ms 2472 KB Output is correct
19 Correct 33 ms 2692 KB Output is correct
20 Correct 41 ms 2744 KB Output is correct
21 Correct 28 ms 2592 KB Output is correct
22 Correct 37 ms 2460 KB Output is correct

Subtask #6
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 456 KB Output is correct
8 Correct 7 ms 712 KB Output is correct
9 Correct 12 ms 1216 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 8 ms 896 KB Output is correct
12 Correct 12 ms 1180 KB Output is correct
13 Correct 10 ms 1224 KB Output is correct
14 Correct 11 ms 1204 KB Output is correct
15 Correct 32 ms 2640 KB Output is correct
16 Correct 32 ms 2620 KB Output is correct
17 Correct 30 ms 2600 KB Output is correct
18 Correct 26 ms 2472 KB Output is correct
19 Correct 33 ms 2692 KB Output is correct
20 Correct 41 ms 2744 KB Output is correct
21 Correct 28 ms 2592 KB Output is correct
22 Correct 37 ms 2460 KB Output is correct
23 Correct 43 ms 2552 KB Output is correct
24 Correct 40 ms 2720 KB Output is correct
25 Correct 32 ms 2716 KB Output is correct
26 Correct 26 ms 2624 KB Output is correct

Subtask #7
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 456 KB Output is correct
8 Correct 7 ms 712 KB Output is correct
9 Correct 12 ms 1216 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 8 ms 896 KB Output is correct
12 Correct 12 ms 1180 KB Output is correct
13 Correct 10 ms 1224 KB Output is correct
14 Correct 11 ms 1204 KB Output is correct
15 Correct 32 ms 2640 KB Output is correct
16 Correct 32 ms 2620 KB Output is correct
17 Correct 30 ms 2600 KB Output is correct
18 Correct 26 ms 2472 KB Output is correct
19 Correct 33 ms 2692 KB Output is correct
20 Correct 41 ms 2744 KB Output is correct
21 Correct 28 ms 2592 KB Output is correct
22 Correct 37 ms 2460 KB Output is correct
23 Correct 43 ms 2552 KB Output is correct
24 Correct 40 ms 2720 KB Output is correct
25 Correct 32 ms 2716 KB Output is correct
26 Correct 26 ms 2624 KB Output is correct
27 Correct 38 ms 2692 KB Output is correct
28 Correct 35 ms 2668 KB Output is correct
29 Correct 34 ms 2620 KB Output is correct
30 Correct 27 ms 2588 KB Output is correct

Subtask #8
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 456 KB Output is correct
8 Correct 7 ms 712 KB Output is correct
9 Correct 12 ms 1216 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 8 ms 896 KB Output is correct
12 Correct 12 ms 1180 KB Output is correct
13 Correct 10 ms 1224 KB Output is correct
14 Correct 11 ms 1204 KB Output is correct
15 Correct 32 ms 2640 KB Output is correct
16 Correct 32 ms 2620 KB Output is correct
17 Correct 30 ms 2600 KB Output is correct
18 Correct 26 ms 2472 KB Output is correct
19 Correct 33 ms 2692 KB Output is correct
20 Correct 41 ms 2744 KB Output is correct
21 Correct 28 ms 2592 KB Output is correct
22 Correct 37 ms 2460 KB Output is correct
23 Correct 43 ms 2552 KB Output is correct
24 Correct 40 ms 2720 KB Output is correct
25 Correct 32 ms 2716 KB Output is correct
26 Correct 26 ms 2624 KB Output is correct
27 Correct 38 ms 2692 KB Output is correct
28 Correct 35 ms 2668 KB Output is correct
29 Correct 34 ms 2620 KB Output is correct
30 Correct 27 ms 2588 KB Output is correct
31 Incorrect 35 ms 2796 KB Wrong Answer [2]
32 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 456 KB Output is correct
8 Correct 7 ms 712 KB Output is correct
9 Correct 12 ms 1216 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 8 ms 896 KB Output is correct
12 Correct 12 ms 1180 KB Output is correct
13 Correct 10 ms 1224 KB Output is correct
14 Correct 11 ms 1204 KB Output is correct
15 Correct 32 ms 2640 KB Output is correct
16 Correct 32 ms 2620 KB Output is correct
17 Correct 30 ms 2600 KB Output is correct
18 Correct 26 ms 2472 KB Output is correct
19 Correct 33 ms 2692 KB Output is correct
20 Correct 41 ms 2744 KB Output is correct
21 Correct 28 ms 2592 KB Output is correct
22 Correct 37 ms 2460 KB Output is correct
23 Correct 43 ms 2552 KB Output is correct
24 Correct 40 ms 2720 KB Output is correct
25 Correct 32 ms 2716 KB Output is correct
26 Correct 26 ms 2624 KB Output is correct
27 Correct 38 ms 2692 KB Output is correct
28 Correct 35 ms 2668 KB Output is correct
29 Correct 34 ms 2620 KB Output is correct
30 Correct 27 ms 2588 KB Output is correct
31 Incorrect 35 ms 2796 KB Wrong Answer [2]
32 Halted 0 ms 0 KB -