| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1116469 |
2024-11-21T16:56:48 Z |
manizare |
Feast (NOI19_feast) |
C++14 |
|
120 ms |
13896 KB |
#include <bits/stdc++.h>
#define pb push_back
#define F first
#define pii pair<int,int>
#define all(a) a.begin(),a.end()
#define S second
#define sz(a) (int)a.size()
#define rep(i , a , b) for(int i = (a) ; i <= (b) ; i++)
#define per(i , a , b) for(int i = (a) ; i >= (b) ; i--)
#define int long long
using namespace std ;
const int maxn = 3e5 + 10 , mod = 1e9 + 7 , inf = 1e18 ;
pii dp[maxn][2] ;
int a[maxn] , n , k ;
void mx(pii &a , pii b){
if(a.F < b.F || (a.F==b.F && a.S < b.S))a = b;
}
pii ch(int x){
dp[0][0] = {0 ,0};
dp[0][1] = {-inf , 0} ;
rep(i ,1, n){
dp[i][0] = dp[i-1][0] ;
mx(dp[i][0] , dp[i-1][1]) ;
dp[i][1] = {dp[i-1][1].F+a[i] , dp[i-1][1].S};
mx(dp[i][1] , {dp[i-1][0].F+a[i]-x , dp[i-1][0].S+1}) ;
}
pii ans = dp[n][0] ;
mx(ans , dp[n][1]);
return ans ;
}
signed main(){
ios_base::sync_with_stdio(false) ; cin.tie(0) ;
cin >> n >> k;
rep(i ,1, n){
cin >> a[i] ;
}
int l = 0 , r= 1e18 ;
while(r-l>1) {
int mid = (l+r)/2 ;
if(ch(mid).S >= k){
l = mid ;
}else{
r = mid ;
}
}
cout << ch(l).F + l*k << "\n";
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
58 ms |
12360 KB |
Output is correct |
| 2 |
Correct |
59 ms |
12616 KB |
Output is correct |
| 3 |
Correct |
57 ms |
12112 KB |
Output is correct |
| 4 |
Correct |
61 ms |
13704 KB |
Output is correct |
| 5 |
Correct |
62 ms |
12620 KB |
Output is correct |
| 6 |
Correct |
62 ms |
13412 KB |
Output is correct |
| 7 |
Correct |
61 ms |
13368 KB |
Output is correct |
| 8 |
Correct |
60 ms |
12724 KB |
Output is correct |
| 9 |
Correct |
60 ms |
11856 KB |
Output is correct |
| 10 |
Correct |
57 ms |
11856 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
57 ms |
11856 KB |
Output is correct |
| 2 |
Correct |
48 ms |
12680 KB |
Output is correct |
| 3 |
Correct |
54 ms |
12104 KB |
Output is correct |
| 4 |
Correct |
49 ms |
12024 KB |
Output is correct |
| 5 |
Correct |
53 ms |
13652 KB |
Output is correct |
| 6 |
Correct |
45 ms |
12112 KB |
Output is correct |
| 7 |
Correct |
50 ms |
12112 KB |
Output is correct |
| 8 |
Correct |
55 ms |
12132 KB |
Output is correct |
| 9 |
Correct |
56 ms |
13640 KB |
Output is correct |
| 10 |
Correct |
55 ms |
12896 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
81 ms |
11856 KB |
Output is correct |
| 2 |
Correct |
85 ms |
12616 KB |
Output is correct |
| 3 |
Correct |
81 ms |
12616 KB |
Output is correct |
| 4 |
Correct |
85 ms |
12712 KB |
Output is correct |
| 5 |
Correct |
81 ms |
12748 KB |
Output is correct |
| 6 |
Correct |
84 ms |
13876 KB |
Output is correct |
| 7 |
Correct |
76 ms |
12112 KB |
Output is correct |
| 8 |
Correct |
81 ms |
13612 KB |
Output is correct |
| 9 |
Correct |
90 ms |
13860 KB |
Output is correct |
| 10 |
Correct |
82 ms |
13896 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 4 |
Correct |
1 ms |
2552 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 10 |
Correct |
1 ms |
2384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 4 |
Correct |
1 ms |
2552 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 10 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 15 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 16 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 17 |
Correct |
1 ms |
2516 KB |
Output is correct |
| 18 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 20 |
Correct |
1 ms |
2384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 4 |
Correct |
1 ms |
2552 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 10 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 15 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 16 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 17 |
Correct |
1 ms |
2516 KB |
Output is correct |
| 18 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 20 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 21 |
Correct |
2 ms |
2556 KB |
Output is correct |
| 22 |
Correct |
1 ms |
2548 KB |
Output is correct |
| 23 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 24 |
Correct |
2 ms |
2384 KB |
Output is correct |
| 25 |
Correct |
2 ms |
2384 KB |
Output is correct |
| 26 |
Correct |
2 ms |
2384 KB |
Output is correct |
| 27 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 28 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 29 |
Correct |
1 ms |
2552 KB |
Output is correct |
| 30 |
Correct |
2 ms |
2556 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
58 ms |
12360 KB |
Output is correct |
| 2 |
Correct |
59 ms |
12616 KB |
Output is correct |
| 3 |
Correct |
57 ms |
12112 KB |
Output is correct |
| 4 |
Correct |
61 ms |
13704 KB |
Output is correct |
| 5 |
Correct |
62 ms |
12620 KB |
Output is correct |
| 6 |
Correct |
62 ms |
13412 KB |
Output is correct |
| 7 |
Correct |
61 ms |
13368 KB |
Output is correct |
| 8 |
Correct |
60 ms |
12724 KB |
Output is correct |
| 9 |
Correct |
60 ms |
11856 KB |
Output is correct |
| 10 |
Correct |
57 ms |
11856 KB |
Output is correct |
| 11 |
Correct |
57 ms |
11856 KB |
Output is correct |
| 12 |
Correct |
48 ms |
12680 KB |
Output is correct |
| 13 |
Correct |
54 ms |
12104 KB |
Output is correct |
| 14 |
Correct |
49 ms |
12024 KB |
Output is correct |
| 15 |
Correct |
53 ms |
13652 KB |
Output is correct |
| 16 |
Correct |
45 ms |
12112 KB |
Output is correct |
| 17 |
Correct |
50 ms |
12112 KB |
Output is correct |
| 18 |
Correct |
55 ms |
12132 KB |
Output is correct |
| 19 |
Correct |
56 ms |
13640 KB |
Output is correct |
| 20 |
Correct |
55 ms |
12896 KB |
Output is correct |
| 21 |
Correct |
81 ms |
11856 KB |
Output is correct |
| 22 |
Correct |
85 ms |
12616 KB |
Output is correct |
| 23 |
Correct |
81 ms |
12616 KB |
Output is correct |
| 24 |
Correct |
85 ms |
12712 KB |
Output is correct |
| 25 |
Correct |
81 ms |
12748 KB |
Output is correct |
| 26 |
Correct |
84 ms |
13876 KB |
Output is correct |
| 27 |
Correct |
76 ms |
12112 KB |
Output is correct |
| 28 |
Correct |
81 ms |
13612 KB |
Output is correct |
| 29 |
Correct |
90 ms |
13860 KB |
Output is correct |
| 30 |
Correct |
82 ms |
13896 KB |
Output is correct |
| 31 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 32 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 33 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 34 |
Correct |
1 ms |
2552 KB |
Output is correct |
| 35 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 36 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 37 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 38 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 39 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 40 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 41 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 42 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 43 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 44 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 45 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 46 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 47 |
Correct |
1 ms |
2516 KB |
Output is correct |
| 48 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 49 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 50 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 51 |
Correct |
2 ms |
2556 KB |
Output is correct |
| 52 |
Correct |
1 ms |
2548 KB |
Output is correct |
| 53 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 54 |
Correct |
2 ms |
2384 KB |
Output is correct |
| 55 |
Correct |
2 ms |
2384 KB |
Output is correct |
| 56 |
Correct |
2 ms |
2384 KB |
Output is correct |
| 57 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 58 |
Correct |
1 ms |
2384 KB |
Output is correct |
| 59 |
Correct |
1 ms |
2552 KB |
Output is correct |
| 60 |
Correct |
2 ms |
2556 KB |
Output is correct |
| 61 |
Correct |
120 ms |
13516 KB |
Output is correct |
| 62 |
Correct |
114 ms |
12964 KB |
Output is correct |
| 63 |
Correct |
94 ms |
12616 KB |
Output is correct |
| 64 |
Correct |
120 ms |
12872 KB |
Output is correct |
| 65 |
Correct |
113 ms |
12108 KB |
Output is correct |
| 66 |
Correct |
117 ms |
12872 KB |
Output is correct |
| 67 |
Correct |
118 ms |
11856 KB |
Output is correct |
| 68 |
Correct |
93 ms |
11904 KB |
Output is correct |
| 69 |
Correct |
84 ms |
11856 KB |
Output is correct |
| 70 |
Correct |
86 ms |
13640 KB |
Output is correct |
