oj.uz

Submission #700977

# Submission time Handle Problem Language Result Execution time Memory
700977 2023-02-19T14:35:44 Z urosk Candies (JOI18_candies) C++14
100 / 100
 540 ms 28508 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;
        auto it = st.lower_bound({i,x});
        pll a,b,c,d;
        b = *it;
        st.erase(it);
        s.erase(s.find({b.sc,b.fi}));
        it = st.lower_bound({i,x});
        c = *it;
        st.erase(it);
        s.erase(s.find({c.sc,c.fi}));
        it = st.lower_bound({i,x});
        it--;
        a = *it;
        st.erase(it);
        s.erase(s.find({a.sc,a.fi}));
        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 3 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 3 ms 596 KB Output is correct
5 Correct 3 ms 596 KB Output is correct
6 Correct 3 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 3 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 596 KB Output is correct
14 Correct 2 ms 596 KB Output is correct
15 Correct 2 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 2 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 3 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 3 ms 596 KB Output is correct
5 Correct 3 ms 596 KB Output is correct
6 Correct 3 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 3 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 596 KB Output is correct
14 Correct 2 ms 596 KB Output is correct
15 Correct 2 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 2 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 519 ms 28300 KB Output is correct
22 Correct 517 ms 28444 KB Output is correct
23 Correct 511 ms 28408 KB Output is correct
24 Correct 230 ms 28348 KB Output is correct
25 Correct 233 ms 28296 KB Output is correct
26 Correct 250 ms 28300 KB Output is correct
27 Correct 244 ms 28296 KB Output is correct
28 Correct 257 ms 28360 KB Output is correct
29 Correct 239 ms 28364 KB Output is correct
30 Correct 288 ms 28300 KB Output is correct
31 Correct 266 ms 28492 KB Output is correct
32 Correct 250 ms 28504 KB Output is correct
33 Correct 360 ms 28384 KB Output is correct
34 Correct 351 ms 28372 KB Output is correct
35 Correct 352 ms 28392 KB Output is correct
36 Correct 540 ms 28380 KB Output is correct
37 Correct 538 ms 28384 KB Output is correct
38 Correct 534 ms 28476 KB Output is correct
39 Correct 236 ms 28444 KB Output is correct
40 Correct 259 ms 28296 KB Output is correct
41 Correct 234 ms 28364 KB Output is correct
42 Correct 251 ms 28392 KB Output is correct
43 Correct 271 ms 28304 KB Output is correct
44 Correct 247 ms 28508 KB Output is correct
45 Correct 263 ms 28296 KB Output is correct
46 Correct 259 ms 28304 KB Output is correct
47 Correct 255 ms 28444 KB Output is correct
48 Correct 339 ms 28428 KB Output is correct
49 Correct 363 ms 28328 KB Output is correct
50 Correct 350 ms 28468 KB Output is correct