| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 198786 |
2020-01-27T15:41:48 Z |
red1108 |
Candies (JOI18_candies) |
C++17 |
|
492 ms |
17656 KB |
#include<bits/stdc++.h>
#include<ext/rope>
using namespace std;
using namespace __gnu_cxx;
#define fi first
#define se second
#define fastio ios_base::sync_with_stdio(false);cin.tie(0)
#define fopen freopen("input.txt", "r", stdin)
#define eb emplace_back
#define em emplace
#define prec(a) cout<<fixed;cout.precision(a);
#define all(a) (a).begin(), (a).end()
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef tuple<int,int,int> tiii;
const ll INF = 2e16;
const int inf = 2e9;
ll in[200010],ans;
int n,l[200010],r[200010];
set<pll> SET;
int main(){
fastio;
cin>>n;
for(int i=1;i<=n;i++){
cin>>in[i];
SET.insert(pll(-in[i],i));
l[i]=i-1;r[i]=i+1;
}
r[0]=1;
l[n+1]=n;
for(int j=1;j<=(n+1)/2;j++){
pll t = pll(SET.begin()->fi, SET.begin()->se);
SET.erase(t);
ans -= t.fi;
int i = t.se;
if(l[i]!=0&&r[i]!=n+1) in[i] = max(in[r[i]] + in[l[i]] - in[i],-INF);
else in[i] = -INF;
SET.insert(pll(-in[i], i));
SET.erase(pll(-in[l[i]],l[i]));
SET.erase(pll(-in[r[i]],r[i]));
l[i] = l[l[i]];
r[i] = r[r[i]];
r[l[i]] = i;
l[r[i]] = i;
cout<<ans<<"\n";
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
504 KB |
Output is correct |
| 2 |
Correct |
7 ms |
504 KB |
Output is correct |
| 3 |
Correct |
7 ms |
504 KB |
Output is correct |
| 4 |
Correct |
6 ms |
504 KB |
Output is correct |
| 5 |
Correct |
7 ms |
504 KB |
Output is correct |
| 6 |
Correct |
7 ms |
508 KB |
Output is correct |
| 7 |
Correct |
6 ms |
504 KB |
Output is correct |
| 8 |
Correct |
7 ms |
504 KB |
Output is correct |
| 9 |
Correct |
7 ms |
504 KB |
Output is correct |
| 10 |
Correct |
6 ms |
504 KB |
Output is correct |
| 11 |
Correct |
7 ms |
504 KB |
Output is correct |
| 12 |
Correct |
7 ms |
504 KB |
Output is correct |
| 13 |
Correct |
7 ms |
504 KB |
Output is correct |
| 14 |
Correct |
6 ms |
504 KB |
Output is correct |
| 15 |
Correct |
7 ms |
504 KB |
Output is correct |
| 16 |
Correct |
6 ms |
504 KB |
Output is correct |
| 17 |
Correct |
6 ms |
504 KB |
Output is correct |
| 18 |
Correct |
7 ms |
508 KB |
Output is correct |
| 19 |
Correct |
7 ms |
504 KB |
Output is correct |
| 20 |
Correct |
6 ms |
504 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
504 KB |
Output is correct |
| 2 |
Correct |
7 ms |
504 KB |
Output is correct |
| 3 |
Correct |
7 ms |
504 KB |
Output is correct |
| 4 |
Correct |
6 ms |
504 KB |
Output is correct |
| 5 |
Correct |
7 ms |
504 KB |
Output is correct |
| 6 |
Correct |
7 ms |
508 KB |
Output is correct |
| 7 |
Correct |
6 ms |
504 KB |
Output is correct |
| 8 |
Correct |
7 ms |
504 KB |
Output is correct |
| 9 |
Correct |
7 ms |
504 KB |
Output is correct |
| 10 |
Correct |
6 ms |
504 KB |
Output is correct |
| 11 |
Correct |
7 ms |
504 KB |
Output is correct |
| 12 |
Correct |
7 ms |
504 KB |
Output is correct |
| 13 |
Correct |
7 ms |
504 KB |
Output is correct |
| 14 |
Correct |
6 ms |
504 KB |
Output is correct |
| 15 |
Correct |
7 ms |
504 KB |
Output is correct |
| 16 |
Correct |
6 ms |
504 KB |
Output is correct |
| 17 |
Correct |
6 ms |
504 KB |
Output is correct |
| 18 |
Correct |
7 ms |
508 KB |
Output is correct |
| 19 |
Correct |
7 ms |
504 KB |
Output is correct |
| 20 |
Correct |
6 ms |
504 KB |
Output is correct |
| 21 |
Correct |
461 ms |
17528 KB |
Output is correct |
| 22 |
Correct |
456 ms |
17528 KB |
Output is correct |
| 23 |
Correct |
482 ms |
17456 KB |
Output is correct |
| 24 |
Correct |
178 ms |
17528 KB |
Output is correct |
| 25 |
Correct |
176 ms |
17512 KB |
Output is correct |
| 26 |
Correct |
179 ms |
17528 KB |
Output is correct |
| 27 |
Correct |
188 ms |
17528 KB |
Output is correct |
| 28 |
Correct |
187 ms |
17512 KB |
Output is correct |
| 29 |
Correct |
192 ms |
17528 KB |
Output is correct |
| 30 |
Correct |
201 ms |
17528 KB |
Output is correct |
| 31 |
Correct |
187 ms |
17656 KB |
Output is correct |
| 32 |
Correct |
192 ms |
17656 KB |
Output is correct |
| 33 |
Correct |
308 ms |
17528 KB |
Output is correct |
| 34 |
Correct |
303 ms |
17528 KB |
Output is correct |
| 35 |
Correct |
301 ms |
17656 KB |
Output is correct |
| 36 |
Correct |
492 ms |
17608 KB |
Output is correct |
| 37 |
Correct |
448 ms |
17528 KB |
Output is correct |
| 38 |
Correct |
480 ms |
17576 KB |
Output is correct |
| 39 |
Correct |
179 ms |
17528 KB |
Output is correct |
| 40 |
Correct |
179 ms |
17564 KB |
Output is correct |
| 41 |
Correct |
174 ms |
17528 KB |
Output is correct |
| 42 |
Correct |
181 ms |
17528 KB |
Output is correct |
| 43 |
Correct |
178 ms |
17448 KB |
Output is correct |
| 44 |
Correct |
187 ms |
17656 KB |
Output is correct |
| 45 |
Correct |
224 ms |
17528 KB |
Output is correct |
| 46 |
Correct |
197 ms |
17528 KB |
Output is correct |
| 47 |
Correct |
189 ms |
17528 KB |
Output is correct |
| 48 |
Correct |
307 ms |
17656 KB |
Output is correct |
| 49 |
Correct |
309 ms |
17476 KB |
Output is correct |
| 50 |
Correct |
292 ms |
17656 KB |
Output is correct |
