oj.uz

Submission #817732

# Submission time Handle Problem Language Result Execution time Memory
817732 2023-08-09T15:23:02 Z t6twotwo Measures (CEOI22_measures) C++17
24 / 100
 148 ms 28248 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define FFOR(i,a,b,c) for(int i=(a);(c)>0?i<=(b):i>=(b);i+=(c))
#define FOOR(i,a,b) FFOR(i,a,(b)-1,1)
#define ROOF(i,a,b) FFOR(i,(b)-1,a,-1)
#define FOR(i,n) FOOR(i,0,n)
#define ROF(i,n) ROOF(i,0,n)
#define FORR(x,v) for(auto &x:v)
#define vc vector
#define sz(v) (int)((v).size())
#define bg begin()
#define en end()
#define em empty()
#define lb lower_bound
#define ub upper_bound
#define pb push_back
#define ppb pop_back()
#define eb emplace_back
#define bk back()
#define fr front()
#define pp pop()
#define all(v) (v).begin(),(v).end()
#define lla(v) (v).rbegin(),(v).rend()
#define f first
#define s second
struct node {
    ll sum, pre, suf, best;
    node(){sum=pre=suf=best=0;}
    node(ll a){sum=a;pre=suf=best=min(a,0ll);}
};
node operator+(const node &a, const node &b) {
    node c;
    c.sum=a.sum+b.sum;
    c.pre=min(a.pre,a.sum+b.pre);
    c.suf=min(b.suf,b.sum+a.suf);
    c.best=min({a.best,b.best,a.suf+b.pre});
    return c;
}
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int N,M,D;
    cin>>N>>M>>D;
    if(M<=10){
        vc<int> a(N);
        FORR(x,a)cin>>x;
        FOR(i,M){
            int b;
            cin>>b;
            a.pb(b);
            sort(all(a));
            ll mx=0,ans=0,s=0;
            FOOR(j,1,sz(a)){
                int k=a[j]-a[j-1]-D;
                ans=max(ans,-(s+k-mx));
                mx=max(mx,s+=k);
            }
            if(ans%2==1){
                cout<<ans/2<<"."<<5<<" ";
            }else{
                cout<<ans/2<<" ";
            }
        }
        return 0;
    }
    vc<int> b(M);
    vc<pair<int,int>> p(M);
    FOR(i,M){
        cin>>b[i];
        p[i]={b[i],i};
    }
    sort(all(p));
    vc<int> pos(M);
    FOR(i,M) pos[p[i].s]=i;
    vc<node> st(2*M);
    auto upd = [&](int i, ll v) {
        for(st[i+=M]=v;i/=2;) {
            st[i]=st[i*2]+st[i*2+1];
        }
    };
    set<int> s;
    FOR(i,M){
        auto it=s.ub(pos[i]);
        if(it!=s.bg){
            upd(pos[i],b[i]-p[*prev(it)].f-D);
        }
        if(it!=s.en){
            upd(pos[*it],p[pos[*it]].f-b[i]-D);
        }
        s.insert(pos[i]);
        ll ans=-st[1].best;
        if(ans%2==1){
            cout<<ans/2<<"."<<5<<" ";
        }else{
            cout<<ans/2<<" ";
        }
    }
    return 6/22;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 96 ms 1876 KB Output is correct
10 Correct 138 ms 1876 KB Output is correct
11 Correct 38 ms 1888 KB Output is correct
12 Correct 148 ms 1876 KB Output is correct
13 Correct 39 ms 1876 KB Output is correct
14 Correct 90 ms 1884 KB Output is correct
15 Correct 87 ms 1884 KB Output is correct
16 Correct 42 ms 1888 KB Output is correct

Subtask #3
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 118 ms 26316 KB Output is correct
2 Correct 143 ms 28236 KB Output is correct
3 Correct 128 ms 28248 KB Output is correct
4 Correct 117 ms 26120 KB Output is correct
5 Incorrect 121 ms 27324 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #4
0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 118 ms 26316 KB Output is correct
2 Correct 143 ms 28236 KB Output is correct
3 Correct 128 ms 28248 KB Output is correct
4 Correct 117 ms 26120 KB Output is correct
5 Incorrect 121 ms 27324 KB Output isn't correct
6 Halted 0 ms 0 KB -