oj.uz

Submission #700975

# Submission time Handle Problem Language Result Execution time Memory
700975 2023-02-19T14:34:52 Z urosk Candies (JOI18_candies) C++14
100 / 100
 598 ms 28504 KB 
#define here cerr<<"===========================================\n"
#define dbg(x) cerr<<#x<<": "<<x<<endl;
#include "bits/stdc++.h"
//#include <ext/pb_ds/tree_policy.hpp>
//#include <ext/pb_ds/assoc_container.hpp>
#define ld double
#define ll long long
#define llinf 100000000000000000LL // 10^17
#define pb push_back
#define popb pop_back
#define fi first
#define sc second
#define endl '\n'
#define pll pair<ll,ll>
#define pld pair<ld,ld>
#define sz(a) (ll)(a.size())
#define all(a) a.begin(),a.end()
#define ceri(a,l,r) {cerr<<#a<<": ";for(ll i_ = l;i_<=r;i_++) cerr<<a[i_]<< " ";cerr<<endl;}
#define cer(a) {cerr<<#a<<": ";for(ll x_ : a) cerr<<x_<< " ";cerr<<endl;}

#define daj_mi_malo_vremena ios_base::sync_with_stdio(false);cerr.tie(0);cout.tie(0);cin.tie(0);

using namespace std;
#define maxn 200005
ll n;
ll a[maxn];
bool cmp(pll x,pll y){
    if(x.fi!=y.fi) return x.fi>y.fi;
    return x.sc<y.sc;
}
multiset<pll> st;
multiset<pll,decltype(&cmp)> s(cmp);
void tc(){
    cin >> n;
    for(ll i = 1;i<=n;i++) cin >> a[i];
    a[0] = a[n+1] = -llinf;
    for(ll i = 0;i<=n+1;i++){
        s.insert({a[i],i});
        st.insert({i,a[i]});
    }
    ll cnt = 0,ans = 0;
    while(cnt<(n+1)/2){
        pll p = *s.begin();
        ll i = p.sc,x = p.fi;
        ans+=x;
        cout<<ans<<endl;
        x = -llinf;
        auto it = st.lower_bound({i,x});
        pll a,b,c;
        if(it!=st.end()){
            b = *it;
            st.erase(it);
            s.erase(s.find({b.sc,b.fi}));
        }
        it = st.lower_bound({i,x});
        if(it!=st.end()){
            c = *it;
            st.erase(it);
            s.erase(s.find({c.sc,c.fi}));
        }
        it = st.lower_bound({i,x});
        if(it!=st.begin()){
            it--;
            a = *it;
            st.erase(it);
            s.erase(s.find({a.sc,a.fi}));
        }
        pll d;
        d.fi = a.sc+c.sc-b.sc;
        d.sc = b.fi;
        s.insert(d);
        st.insert({d.sc,d.fi});
        cnt++;
    }
}
int main(){
	daj_mi_malo_vremena
    int t; t = 1;
    while(t--){
        tc();
    }
	return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 596 KB Output is correct
2 Correct 2 ms 596 KB Output is correct
3 Correct 2 ms 596 KB Output is correct
4 Correct 2 ms 596 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 2 ms 596 KB Output is correct
7 Correct 2 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 2 ms 596 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 2 ms 596 KB Output is correct
12 Correct 2 ms 596 KB Output is correct
13 Correct 2 ms 556 KB Output is correct
14 Correct 2 ms 596 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 2 ms 596 KB Output is correct
17 Correct 2 ms 596 KB Output is correct
18 Correct 3 ms 596 KB Output is correct
19 Correct 2 ms 596 KB Output is correct
20 Correct 2 ms 596 KB Output is correct

Subtask #2
92.0 / 92.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 596 KB Output is correct
2 Correct 2 ms 596 KB Output is correct
3 Correct 2 ms 596 KB Output is correct
4 Correct 2 ms 596 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 2 ms 596 KB Output is correct
7 Correct 2 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 2 ms 596 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 2 ms 596 KB Output is correct
12 Correct 2 ms 596 KB Output is correct
13 Correct 2 ms 556 KB Output is correct
14 Correct 2 ms 596 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 2 ms 596 KB Output is correct
17 Correct 2 ms 596 KB Output is correct
18 Correct 3 ms 596 KB Output is correct
19 Correct 2 ms 596 KB Output is correct
20 Correct 2 ms 596 KB Output is correct
21 Correct 531 ms 28384 KB Output is correct
22 Correct 526 ms 28308 KB Output is correct
23 Correct 598 ms 28296 KB Output is correct
24 Correct 285 ms 28340 KB Output is correct
25 Correct 246 ms 28392 KB Output is correct
26 Correct 240 ms 28380 KB Output is correct
27 Correct 237 ms 28328 KB Output is correct
28 Correct 256 ms 28368 KB Output is correct
29 Correct 245 ms 28348 KB Output is correct
30 Correct 264 ms 28392 KB Output is correct
31 Correct 287 ms 28380 KB Output is correct
32 Correct 259 ms 28364 KB Output is correct
33 Correct 363 ms 28400 KB Output is correct
34 Correct 404 ms 28356 KB Output is correct
35 Correct 362 ms 28492 KB Output is correct
36 Correct 555 ms 28496 KB Output is correct
37 Correct 544 ms 28304 KB Output is correct
38 Correct 520 ms 28320 KB Output is correct
39 Correct 233 ms 28308 KB Output is correct
40 Correct 235 ms 28360 KB Output is correct
41 Correct 250 ms 28412 KB Output is correct
42 Correct 251 ms 28296 KB Output is correct
43 Correct 237 ms 28348 KB Output is correct
44 Correct 232 ms 28368 KB Output is correct
45 Correct 255 ms 28504 KB Output is correct
46 Correct 261 ms 28360 KB Output is correct
47 Correct 273 ms 28400 KB Output is correct
48 Correct 372 ms 28368 KB Output is correct
49 Correct 424 ms 28340 KB Output is correct
50 Correct 381 ms 28344 KB Output is correct