#include<bits/stdc++.h>
#define god dimasi5eks
#pragma GCC optimize("O3")
#define fi first
#define se second
#define pb push_back
#define pf push_front
#define mod 1000000007
#define dancila 3.14159265359
#define eps 1e-9
// #define fisier 1
using namespace std;
typedef long long ll;
int add(int a, int b)
{
ll x = a+b;
if(x >= mod)
x -= mod;
if(x < 0)
x += mod;
return x;
}
ll mul(ll a, ll b)
{
return (a*b) % mod;
}
ll pw(ll a, ll b)
{
ll ans = 1;
while(b)
{
if(b & 1)
ans = (ans * a) % mod;
a = (a * a) % mod;
b >>= 1;
}
return ans;
}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
long long rand_seed()
{
long long a = rng();
return a;
}
priority_queue<pair<ll, int> >q;
int n, st[200002], dr[200002];
ll ans, v[200002];
bool pus[200002];
int main()
{
#ifdef fisier
ifstream f("input.in");
ofstream g("output.out");
#endif
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin >> n;
for(int i = 1; i <= n; ++i)
{
cin >> v[i];
st[i] = i-1;
dr[i] = i+1;
q.push({v[i], i});
}
v[0] = v[n+1] = -(1LL<<60);
for(int i = 1; i <= (n+1) / 2; ++i)
{
while(!q.empty() && pus[q.top().se])
q.pop();
pair<ll, int> tp = q.top();
q.pop();
ans += tp.fi;
cout << ans << '\n';
pus[st[tp.se]] = 1, pus[dr[tp.se]] = 1;
v[tp.se] = v[st[tp.se]] + v[dr[tp.se]] - v[tp.se];
q.push({v[tp.se], tp.se});
st[tp.se] = st[st[tp.se]]; dr[st[tp.se]] = tp.se;
dr[tp.se] = dr[dr[tp.se]]; st[dr[tp.se]] = tp.se;
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
508 KB |
Output is correct |
2 |
Correct |
6 ms |
504 KB |
Output is correct |
3 |
Correct |
6 ms |
504 KB |
Output is correct |
4 |
Correct |
6 ms |
504 KB |
Output is correct |
5 |
Correct |
6 ms |
504 KB |
Output is correct |
6 |
Correct |
6 ms |
504 KB |
Output is correct |
7 |
Correct |
6 ms |
504 KB |
Output is correct |
8 |
Correct |
5 ms |
504 KB |
Output is correct |
9 |
Correct |
6 ms |
504 KB |
Output is correct |
10 |
Correct |
5 ms |
508 KB |
Output is correct |
11 |
Correct |
6 ms |
504 KB |
Output is correct |
12 |
Correct |
6 ms |
504 KB |
Output is correct |
13 |
Correct |
6 ms |
504 KB |
Output is correct |
14 |
Correct |
6 ms |
504 KB |
Output is correct |
15 |
Correct |
6 ms |
504 KB |
Output is correct |
16 |
Correct |
6 ms |
504 KB |
Output is correct |
17 |
Correct |
5 ms |
504 KB |
Output is correct |
18 |
Correct |
6 ms |
504 KB |
Output is correct |
19 |
Correct |
6 ms |
504 KB |
Output is correct |
20 |
Correct |
6 ms |
504 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
508 KB |
Output is correct |
2 |
Correct |
6 ms |
504 KB |
Output is correct |
3 |
Correct |
6 ms |
504 KB |
Output is correct |
4 |
Correct |
6 ms |
504 KB |
Output is correct |
5 |
Correct |
6 ms |
504 KB |
Output is correct |
6 |
Correct |
6 ms |
504 KB |
Output is correct |
7 |
Correct |
6 ms |
504 KB |
Output is correct |
8 |
Correct |
5 ms |
504 KB |
Output is correct |
9 |
Correct |
6 ms |
504 KB |
Output is correct |
10 |
Correct |
5 ms |
508 KB |
Output is correct |
11 |
Correct |
6 ms |
504 KB |
Output is correct |
12 |
Correct |
6 ms |
504 KB |
Output is correct |
13 |
Correct |
6 ms |
504 KB |
Output is correct |
14 |
Correct |
6 ms |
504 KB |
Output is correct |
15 |
Correct |
6 ms |
504 KB |
Output is correct |
16 |
Correct |
6 ms |
504 KB |
Output is correct |
17 |
Correct |
5 ms |
504 KB |
Output is correct |
18 |
Correct |
6 ms |
504 KB |
Output is correct |
19 |
Correct |
6 ms |
504 KB |
Output is correct |
20 |
Correct |
6 ms |
504 KB |
Output is correct |
21 |
Correct |
127 ms |
10460 KB |
Output is correct |
22 |
Correct |
122 ms |
10336 KB |
Output is correct |
23 |
Correct |
121 ms |
10336 KB |
Output is correct |
24 |
Correct |
106 ms |
10240 KB |
Output is correct |
25 |
Correct |
98 ms |
10208 KB |
Output is correct |
26 |
Correct |
101 ms |
10208 KB |
Output is correct |
27 |
Correct |
114 ms |
10464 KB |
Output is correct |
28 |
Correct |
108 ms |
10336 KB |
Output is correct |
29 |
Correct |
106 ms |
10520 KB |
Output is correct |
30 |
Correct |
109 ms |
10336 KB |
Output is correct |
31 |
Correct |
107 ms |
10336 KB |
Output is correct |
32 |
Correct |
103 ms |
10464 KB |
Output is correct |
33 |
Correct |
113 ms |
10208 KB |
Output is correct |
34 |
Correct |
110 ms |
10208 KB |
Output is correct |
35 |
Correct |
111 ms |
10208 KB |
Output is correct |
36 |
Correct |
125 ms |
10464 KB |
Output is correct |
37 |
Correct |
127 ms |
10340 KB |
Output is correct |
38 |
Correct |
123 ms |
10336 KB |
Output is correct |
39 |
Correct |
100 ms |
10336 KB |
Output is correct |
40 |
Correct |
98 ms |
10208 KB |
Output is correct |
41 |
Correct |
93 ms |
10208 KB |
Output is correct |
42 |
Correct |
105 ms |
10372 KB |
Output is correct |
43 |
Correct |
107 ms |
10340 KB |
Output is correct |
44 |
Correct |
110 ms |
10464 KB |
Output is correct |
45 |
Correct |
108 ms |
10336 KB |
Output is correct |
46 |
Correct |
108 ms |
10336 KB |
Output is correct |
47 |
Correct |
106 ms |
10336 KB |
Output is correct |
48 |
Correct |
117 ms |
10208 KB |
Output is correct |
49 |
Correct |
123 ms |
10208 KB |
Output is correct |
50 |
Correct |
117 ms |
10212 KB |
Output is correct |