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Submission #534334

# Submission time Handle Problem Language Result Execution time Memory
534334 2022-03-08T05:07:47 Z Biaz Snowball (JOI21_ho_t2) C++17
100 / 100
 341 ms 18452 KB 
#include <bits/stdc++.h>
#define int long long
#define pb push_back
#define fi first
#define se second
#define X first
#define Y second
#define ist insert
#define pii pair<int,int>
typedef long long ll;
//typedef pair<int,int> pii;
using namespace std;
int max(int a,int b){return a>b?a:b;}
int min(int a,int b){return a<b?a:b;}
const int INF=1700000000000000000;//2147483647;
const int MOD=998244353;//1000000007;
const int N=200005;
struct BIT{
    int n;
    vector<int> bit;
    void init(int _n){
        n=_n;
        bit.resize(n+5,0);
    }
    void add(int i,int v){
        while (i<=n){
            bit[i]+=v;
            i+=(i&-i);
        }
    }
    int que(int i){
        int res=0;
        while (i>0){
            res+=bit[i];
            i-=(i&-i);
        }
        return res;
    }
};
int n,Q;
int a[N],w[N],res[N];
pii d[N];
int mxL,mxR;
int search(int val){
    int l=1,r=n+1,res=0;
    while (r>=l){
        int mid=(l+r)/2;
        if (d[mid].fi>=val){
            res=mid;
            l=mid+1;
        }
        else r=mid-1;
    }
    return res;
}

void sol(){
    cin >>n>>Q;
    for (int i=1;i<=n;i++)
        cin >>a[i];
    a[0]=-INF;a[n+1]=INF;
    for (int i=1;i<=Q;i++)
        cin >>w[i];
    BIT tr[2];tr[0].init(n+5);tr[1].init(n+5);
    for (int i=1;i<=n+1;i++)
        d[i].fi=a[i]-a[i-1],d[i].se=i;
    sort(d+1,d+n+2,greater<pii>());
    /*for (int i=1;i<=n+1;i++)
        cout <<d[i].se<<' ';
    cout <<"\n";*/
    int cur=0,r=n+1;
    mxL=mxR=0;
    for (int xx=1;xx<=Q;xx++){
        cur+=w[xx];
        if (mxL<=cur&&cur<=mxR) continue;
        if (cur>0){
            int loc=search(cur-mxL);
            //cout <<loc<<'\n';
            tr[1].add(1,cur-mxR);
            tr[1].add(loc+1,mxR-cur);
            while (d[r].fi<cur-mxL){
                tr[1].add(r,d[r].fi-(mxR-mxL));
                tr[1].add(r+1,-(d[r].fi-(mxR-mxL)));
                r--;
            }
        }
        if (cur<0){
            int loc=search(mxR-cur);
            //cout <<loc<<'\n';
            tr[0].add(1,mxL-cur);
            tr[0].add(loc+1,cur-mxL);
            while (d[r].fi<mxR-cur){
                tr[0].add(r,d[r].fi-(mxR-mxL));
                tr[0].add(r+1,-(d[r].fi-(mxR-mxL)));
                r--;
            }
        }
        mxL=min(mxL,cur);
        mxR=max(mxR,cur);
        /*for (int i=0;i<=n+2;i++)
            cout <<tr[1].que(i)<<' ';
        cout <<"\n";
        for (int i=0;i<=n+2;i++)
            cout <<tr[0].que(i)<<' ';
        cout <<"\n";*/

    }
    for (int i=1;i<=n+1;i++)
        res[d[i].se]+=tr[0].que(i);
    for (int i=1;i<=n+1;i++)
        res[d[i].se-1]+=tr[1].que(i);
    for (int i=1;i<=n;i++)
        cout <<res[i]<<'\n';
}
/*
4 3
-2 3 5 8
2
-4
7
*/
signed main()
{
    int _=1;
    //cin >>_;
    while (_--) sol();
    return 0;
}

Subtask #1
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 2 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 2 ms 332 KB Output is correct
5 Correct 3 ms 332 KB Output is correct
6 Correct 3 ms 332 KB Output is correct
7 Correct 4 ms 332 KB Output is correct
8 Correct 4 ms 332 KB Output is correct
9 Correct 3 ms 332 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 3 ms 332 KB Output is correct
16 Correct 3 ms 332 KB Output is correct
17 Correct 3 ms 332 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 2 ms 332 KB Output is correct

Subtask #2
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 2 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 2 ms 332 KB Output is correct
5 Correct 3 ms 332 KB Output is correct
6 Correct 3 ms 332 KB Output is correct
7 Correct 4 ms 332 KB Output is correct
8 Correct 4 ms 332 KB Output is correct
9 Correct 3 ms 332 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 3 ms 332 KB Output is correct
16 Correct 3 ms 332 KB Output is correct
17 Correct 3 ms 332 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 2 ms 332 KB Output is correct
20 Correct 91 ms 1860 KB Output is correct
21 Correct 94 ms 1780 KB Output is correct
22 Correct 80 ms 1784 KB Output is correct
23 Correct 82 ms 1944 KB Output is correct
24 Correct 87 ms 2884 KB Output is correct
25 Correct 299 ms 12740 KB Output is correct
26 Correct 228 ms 12760 KB Output is correct
27 Correct 219 ms 12544 KB Output is correct
28 Correct 240 ms 12624 KB Output is correct
29 Correct 232 ms 12380 KB Output is correct
30 Correct 237 ms 12012 KB Output is correct
31 Correct 187 ms 11628 KB Output is correct
32 Correct 182 ms 11536 KB Output is correct
33 Correct 25 ms 1484 KB Output is correct
34 Correct 214 ms 12784 KB Output is correct
35 Correct 255 ms 12596 KB Output is correct
36 Correct 228 ms 12772 KB Output is correct
37 Correct 261 ms 12632 KB Output is correct
38 Correct 221 ms 12568 KB Output is correct
39 Correct 225 ms 12516 KB Output is correct
40 Correct 233 ms 12628 KB Output is correct
41 Correct 107 ms 1732 KB Output is correct
42 Correct 172 ms 14740 KB Output is correct
43 Correct 283 ms 17972 KB Output is correct
44 Correct 109 ms 4420 KB Output is correct
45 Correct 226 ms 16224 KB Output is correct
46 Correct 288 ms 18136 KB Output is correct
47 Correct 311 ms 18372 KB Output is correct
48 Correct 341 ms 18452 KB Output is correct