oj.uz

Submission #220812

# Submission time Handle Problem Language Result Execution time Memory
220812 2020-04-09T00:05:20 Z balbit Bubble Sort 2 (JOI18_bubblesort2) C++14
38 / 100
 74 ms 49016 KB 
#include "bubblesort2.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define int ll
#define SZ(x) (int)(x.size())
#define ALL(x) x.begin(),x.end()
#define pb push_back
#define SORT_UNIQUE(c) (sort(c.begin(),c.end()), c.resize(distance(c.begin(),unique(c.begin(),c.end()))))

#ifdef BALBIT
#define bug(...) cerr<<"#"<<__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...);}
#define IOS()
#else
#define bug(...)
#define IOS() ios::sync_with_stdio(0),cin.tie(0)
#define endl '\n'
#endif // BALBIT

const int maxn = 1e6+5;

multiset <int> pos[maxn];

int tag[maxn*4], s[maxn*4];

void push(int o, int l, int r){
    if (!tag[o]) return;
    s[o]+=tag[o];
    if (l!=r){
        tag[o*2+1]+=tag[o];
        tag[o*2+2]+=tag[o];
    }
    tag[o]=0;
}

int MX;

void MO(int L, int R, int v, int o=0, int l=0, int r=MX-1){
    push(o,l,r);
    if (l>R||r<L) return;
    if (l>=L&&r<=R) {
        tag[o]+=v; push(o,l,r); return;
    }
    int mid = (l+r)/2;
    MO(L,R,v, o*2+1,l,mid);
    MO(L,R,v, o*2+2,mid+1,r);
    s[o]=min(s[o*2+1],s[o*2+2]);
}

inline int big(multiset<int> & ms) {
    return SZ(ms)?-*(ms.rbegin()):1000000000;
}

vector<signed> countScans(vector<signed> A,vector<signed> X,vector<signed> V){
	int Q=X.size();
	vector<signed> answer(Q);
	int n = SZ(A);
	vector<signed> tmp = A;
	for (int x : V) tmp.pb(x);
	SORT_UNIQUE(tmp);
	MX = SZ(tmp);

	for (int i = 0; i<n; ++i) {
        A[i] = lower_bound(ALL(tmp), A[i]) - tmp.begin();
        pos[A[i]].insert(i);
        MO(A[i]+1, MX-1,1);
	}
	for (int i = 0; i<Q; ++i) {
        V[i] = lower_bound(ALL(tmp), V[i]) - tmp.begin();
	}
    vector<int> done(MX);
    for (int i = 0; i<n; ++i) {
        if (big(pos[A[i]]) == -i) {
            done[A[i]] = 1;
            MO(A[i],A[i],-i);
        }
    }
    for (int i = 0; i<MX; ++i) {
        if (!done[i]) MO(i,i,1000000000);
    }
    bug(s[0]);
    for (int cnt = 0; cnt<Q; ++cnt) {
        int i = X[cnt];
        MO(A[i]+1, MX-1, -1);
        MO(A[i], A[i],-big(pos[A[i]]));
        bug(A[i], i);
        pos[A[i]].erase(pos[A[i]].find(i));
        MO(A[i],A[i], big(pos[A[i]]));

        A[i] = V[cnt];
        bug("insert",A[i],i);
        MO(A[i]+1, MX-1, 1);
        MO(A[i],A[i], -big(pos[A[i]]));
        pos[A[i]].insert(i);
        MO(A[i], A[i],big(pos[A[i]]));


        answer[cnt] = max(-s[0],0ll);

    }

	return answer;
}


#ifdef BALBIT
signed main(){
    IOS();
    vector<signed> mo = (countScans({1,2,3,4},{0,2},{3,1}));
    for (int x : mo) bug(x);
}
#endif

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 47360 KB Output is correct
2 Correct 37 ms 47476 KB Output is correct
3 Correct 38 ms 47744 KB Output is correct
4 Correct 37 ms 47744 KB Output is correct
5 Correct 40 ms 47616 KB Output is correct
6 Correct 38 ms 47736 KB Output is correct
7 Correct 39 ms 47736 KB Output is correct
8 Correct 38 ms 47736 KB Output is correct
9 Correct 38 ms 47744 KB Output is correct
10 Correct 38 ms 47736 KB Output is correct
11 Correct 38 ms 47736 KB Output is correct
12 Correct 38 ms 47608 KB Output is correct
13 Correct 39 ms 47616 KB Output is correct
14 Correct 39 ms 47712 KB Output is correct
15 Correct 38 ms 47736 KB Output is correct
16 Correct 37 ms 47616 KB Output is correct
17 Correct 36 ms 47616 KB Output is correct
18 Correct 37 ms 47616 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 47360 KB Output is correct
2 Correct 37 ms 47476 KB Output is correct
3 Correct 38 ms 47744 KB Output is correct
4 Correct 37 ms 47744 KB Output is correct
5 Correct 40 ms 47616 KB Output is correct
6 Correct 38 ms 47736 KB Output is correct
7 Correct 39 ms 47736 KB Output is correct
8 Correct 38 ms 47736 KB Output is correct
9 Correct 38 ms 47744 KB Output is correct
10 Correct 38 ms 47736 KB Output is correct
11 Correct 38 ms 47736 KB Output is correct
12 Correct 38 ms 47608 KB Output is correct
13 Correct 39 ms 47616 KB Output is correct
14 Correct 39 ms 47712 KB Output is correct
15 Correct 38 ms 47736 KB Output is correct
16 Correct 37 ms 47616 KB Output is correct
17 Correct 36 ms 47616 KB Output is correct
18 Correct 37 ms 47616 KB Output is correct
19 Correct 56 ms 48760 KB Output is correct
20 Correct 74 ms 49016 KB Output is correct
21 Correct 61 ms 48888 KB Output is correct
22 Correct 61 ms 48888 KB Output is correct
23 Correct 59 ms 48760 KB Output is correct
24 Correct 59 ms 48760 KB Output is correct
25 Correct 59 ms 48760 KB Output is correct
26 Correct 57 ms 48760 KB Output is correct
27 Correct 59 ms 48768 KB Output is correct
28 Correct 58 ms 48760 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 50 ms 49016 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 47360 KB Output is correct
2 Correct 37 ms 47476 KB Output is correct
3 Correct 38 ms 47744 KB Output is correct
4 Correct 37 ms 47744 KB Output is correct
5 Correct 40 ms 47616 KB Output is correct
6 Correct 38 ms 47736 KB Output is correct
7 Correct 39 ms 47736 KB Output is correct
8 Correct 38 ms 47736 KB Output is correct
9 Correct 38 ms 47744 KB Output is correct
10 Correct 38 ms 47736 KB Output is correct
11 Correct 38 ms 47736 KB Output is correct
12 Correct 38 ms 47608 KB Output is correct
13 Correct 39 ms 47616 KB Output is correct
14 Correct 39 ms 47712 KB Output is correct
15 Correct 38 ms 47736 KB Output is correct
16 Correct 37 ms 47616 KB Output is correct
17 Correct 36 ms 47616 KB Output is correct
18 Correct 37 ms 47616 KB Output is correct
19 Correct 56 ms 48760 KB Output is correct
20 Correct 74 ms 49016 KB Output is correct
21 Correct 61 ms 48888 KB Output is correct
22 Correct 61 ms 48888 KB Output is correct
23 Correct 59 ms 48760 KB Output is correct
24 Correct 59 ms 48760 KB Output is correct
25 Correct 59 ms 48760 KB Output is correct
26 Correct 57 ms 48760 KB Output is correct
27 Correct 59 ms 48768 KB Output is correct
28 Correct 58 ms 48760 KB Output is correct
29 Incorrect 50 ms 49016 KB Output isn't correct
30 Halted 0 ms 0 KB -