/*DEP TRAI CO J SAI*/
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***#*************************###***++++++++++++++++++++++++++++++++==+++++++=++++++====+++====+==========++++++=+++++++++++++++++++++=+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*************************************+ */
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pu emplace_back
#define ll long long
#define mp make_pair
typedef pair <ll,ll> ii;
const int N=1e6;
long long mod=1e17;
ll n,k;
ll a[N+1],f[N+10];
string s;
ii dp[N+10];
int calc(ll c)
{
ii mx = {0, 0};
for (int i = 1; i <= n; i++)
{
mx = max(mx, {dp[i-1].fi - f[i-1], dp[i-1].se});
dp[i] = max(dp[i-1], {f[i] + mx.fi - c, mx.se+1});
}
return dp[n].se;
}
void tinh(){
cin>>n>>k;
for(int i=1;i<=n;i++) cin>>a[i];
for(int i=1;i<=n;i++) f[i]=f[i-1]+a[i];
ll ans=0,l=0,r=mod;
while(l<=r){
ll mid=(l+r)/2LL;
if(calc(mid)>k) l=mid+1;
else {
ans=mid;
r=mid-1;
}
}
calc(ans);
cout<<dp[n].fi+ans*dp[n].se;
}
int main(){
ios_base::sync_with_stdio(false);
//freopen("ahihi.inp","r",stdin);
//freopen("ahihi.out","w",stdout);
cin.tie(0);
cout.tie(0);
tinh();
return 0;
}
// code cua anh Trần Tuấn nam đẹp trai nhất CHL
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
52 ms |
9544 KB |
Output is correct |
| 2 |
Correct |
53 ms |
9556 KB |
Output is correct |
| 3 |
Correct |
55 ms |
9800 KB |
Output is correct |
| 4 |
Correct |
53 ms |
9660 KB |
Output is correct |
| 5 |
Correct |
63 ms |
9652 KB |
Output is correct |
| 6 |
Correct |
52 ms |
9576 KB |
Output is correct |
| 7 |
Correct |
54 ms |
9464 KB |
Output is correct |
| 8 |
Correct |
54 ms |
9544 KB |
Output is correct |
| 9 |
Correct |
70 ms |
9552 KB |
Output is correct |
| 10 |
Correct |
78 ms |
9664 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
49 ms |
9720 KB |
Output is correct |
| 2 |
Correct |
50 ms |
9808 KB |
Output is correct |
| 3 |
Correct |
52 ms |
9552 KB |
Output is correct |
| 4 |
Correct |
49 ms |
9552 KB |
Output is correct |
| 5 |
Correct |
50 ms |
9776 KB |
Output is correct |
| 6 |
Correct |
46 ms |
9552 KB |
Output is correct |
| 7 |
Correct |
47 ms |
10064 KB |
Output is correct |
| 8 |
Correct |
52 ms |
9568 KB |
Output is correct |
| 9 |
Correct |
54 ms |
9544 KB |
Output is correct |
| 10 |
Correct |
58 ms |
9820 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
80 ms |
9552 KB |
Output is correct |
| 2 |
Correct |
81 ms |
9504 KB |
Output is correct |
| 3 |
Correct |
78 ms |
9544 KB |
Output is correct |
| 4 |
Correct |
79 ms |
9544 KB |
Output is correct |
| 5 |
Correct |
89 ms |
9716 KB |
Output is correct |
| 6 |
Correct |
83 ms |
9548 KB |
Output is correct |
| 7 |
Correct |
109 ms |
9720 KB |
Output is correct |
| 8 |
Correct |
82 ms |
9552 KB |
Output is correct |
| 9 |
Correct |
96 ms |
9852 KB |
Output is correct |
| 10 |
Correct |
85 ms |
9808 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
336 KB |
Output is correct |
| 2 |
Correct |
1 ms |
336 KB |
Output is correct |
| 3 |
Correct |
1 ms |
336 KB |
Output is correct |
| 4 |
Correct |
1 ms |
336 KB |
Output is correct |
| 5 |
Correct |
1 ms |
336 KB |
Output is correct |
| 6 |
Correct |
1 ms |
336 KB |
Output is correct |
| 7 |
Correct |
1 ms |
504 KB |
Output is correct |
| 8 |
Correct |
1 ms |
336 KB |
Output is correct |
| 9 |
Correct |
1 ms |
336 KB |
Output is correct |
| 10 |
Correct |
1 ms |
336 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
336 KB |
Output is correct |
| 2 |
Correct |
1 ms |
336 KB |
Output is correct |
| 3 |
Correct |
1 ms |
336 KB |
Output is correct |
| 4 |
Correct |
1 ms |
336 KB |
Output is correct |
| 5 |
Correct |
1 ms |
336 KB |
Output is correct |
| 6 |
Correct |
1 ms |
336 KB |
Output is correct |
| 7 |
Correct |
1 ms |
504 KB |
Output is correct |
| 8 |
Correct |
1 ms |
336 KB |
Output is correct |
| 9 |
Correct |
1 ms |
336 KB |
Output is correct |
| 10 |
Correct |
1 ms |
336 KB |
Output is correct |
| 11 |
Correct |
1 ms |
336 KB |
Output is correct |
| 12 |
Correct |
1 ms |
336 KB |
Output is correct |
| 13 |
Correct |
1 ms |
336 KB |
Output is correct |
| 14 |
Correct |
1 ms |
336 KB |
Output is correct |
| 15 |
Correct |
1 ms |
336 KB |
Output is correct |
| 16 |
Correct |
1 ms |
336 KB |
Output is correct |
| 17 |
Correct |
1 ms |
336 KB |
Output is correct |
| 18 |
Correct |
1 ms |
336 KB |
Output is correct |
| 19 |
Correct |
1 ms |
336 KB |
Output is correct |
| 20 |
Correct |
1 ms |
336 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
336 KB |
Output is correct |
| 2 |
Correct |
1 ms |
336 KB |
Output is correct |
| 3 |
Correct |
1 ms |
336 KB |
Output is correct |
| 4 |
Correct |
1 ms |
336 KB |
Output is correct |
| 5 |
Correct |
1 ms |
336 KB |
Output is correct |
| 6 |
Correct |
1 ms |
336 KB |
Output is correct |
| 7 |
Correct |
1 ms |
504 KB |
Output is correct |
| 8 |
Correct |
1 ms |
336 KB |
Output is correct |
| 9 |
Correct |
1 ms |
336 KB |
Output is correct |
| 10 |
Correct |
1 ms |
336 KB |
Output is correct |
| 11 |
Correct |
1 ms |
336 KB |
Output is correct |
| 12 |
Correct |
1 ms |
336 KB |
Output is correct |
| 13 |
Correct |
1 ms |
336 KB |
Output is correct |
| 14 |
Correct |
1 ms |
336 KB |
Output is correct |
| 15 |
Correct |
1 ms |
336 KB |
Output is correct |
| 16 |
Correct |
1 ms |
336 KB |
Output is correct |
| 17 |
Correct |
1 ms |
336 KB |
Output is correct |
| 18 |
Correct |
1 ms |
336 KB |
Output is correct |
| 19 |
Correct |
1 ms |
336 KB |
Output is correct |
| 20 |
Correct |
1 ms |
336 KB |
Output is correct |
| 21 |
Correct |
2 ms |
336 KB |
Output is correct |
| 22 |
Correct |
1 ms |
336 KB |
Output is correct |
| 23 |
Correct |
2 ms |
336 KB |
Output is correct |
| 24 |
Correct |
1 ms |
336 KB |
Output is correct |
| 25 |
Correct |
1 ms |
336 KB |
Output is correct |
| 26 |
Correct |
1 ms |
400 KB |
Output is correct |
| 27 |
Correct |
1 ms |
336 KB |
Output is correct |
| 28 |
Correct |
1 ms |
336 KB |
Output is correct |
| 29 |
Correct |
2 ms |
336 KB |
Output is correct |
| 30 |
Correct |
1 ms |
336 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
52 ms |
9544 KB |
Output is correct |
| 2 |
Correct |
53 ms |
9556 KB |
Output is correct |
| 3 |
Correct |
55 ms |
9800 KB |
Output is correct |
| 4 |
Correct |
53 ms |
9660 KB |
Output is correct |
| 5 |
Correct |
63 ms |
9652 KB |
Output is correct |
| 6 |
Correct |
52 ms |
9576 KB |
Output is correct |
| 7 |
Correct |
54 ms |
9464 KB |
Output is correct |
| 8 |
Correct |
54 ms |
9544 KB |
Output is correct |
| 9 |
Correct |
70 ms |
9552 KB |
Output is correct |
| 10 |
Correct |
78 ms |
9664 KB |
Output is correct |
| 11 |
Correct |
49 ms |
9720 KB |
Output is correct |
| 12 |
Correct |
50 ms |
9808 KB |
Output is correct |
| 13 |
Correct |
52 ms |
9552 KB |
Output is correct |
| 14 |
Correct |
49 ms |
9552 KB |
Output is correct |
| 15 |
Correct |
50 ms |
9776 KB |
Output is correct |
| 16 |
Correct |
46 ms |
9552 KB |
Output is correct |
| 17 |
Correct |
47 ms |
10064 KB |
Output is correct |
| 18 |
Correct |
52 ms |
9568 KB |
Output is correct |
| 19 |
Correct |
54 ms |
9544 KB |
Output is correct |
| 20 |
Correct |
58 ms |
9820 KB |
Output is correct |
| 21 |
Correct |
80 ms |
9552 KB |
Output is correct |
| 22 |
Correct |
81 ms |
9504 KB |
Output is correct |
| 23 |
Correct |
78 ms |
9544 KB |
Output is correct |
| 24 |
Correct |
79 ms |
9544 KB |
Output is correct |
| 25 |
Correct |
89 ms |
9716 KB |
Output is correct |
| 26 |
Correct |
83 ms |
9548 KB |
Output is correct |
| 27 |
Correct |
109 ms |
9720 KB |
Output is correct |
| 28 |
Correct |
82 ms |
9552 KB |
Output is correct |
| 29 |
Correct |
96 ms |
9852 KB |
Output is correct |
| 30 |
Correct |
85 ms |
9808 KB |
Output is correct |
| 31 |
Correct |
1 ms |
336 KB |
Output is correct |
| 32 |
Correct |
1 ms |
336 KB |
Output is correct |
| 33 |
Correct |
1 ms |
336 KB |
Output is correct |
| 34 |
Correct |
1 ms |
336 KB |
Output is correct |
| 35 |
Correct |
1 ms |
336 KB |
Output is correct |
| 36 |
Correct |
1 ms |
336 KB |
Output is correct |
| 37 |
Correct |
1 ms |
504 KB |
Output is correct |
| 38 |
Correct |
1 ms |
336 KB |
Output is correct |
| 39 |
Correct |
1 ms |
336 KB |
Output is correct |
| 40 |
Correct |
1 ms |
336 KB |
Output is correct |
| 41 |
Correct |
1 ms |
336 KB |
Output is correct |
| 42 |
Correct |
1 ms |
336 KB |
Output is correct |
| 43 |
Correct |
1 ms |
336 KB |
Output is correct |
| 44 |
Correct |
1 ms |
336 KB |
Output is correct |
| 45 |
Correct |
1 ms |
336 KB |
Output is correct |
| 46 |
Correct |
1 ms |
336 KB |
Output is correct |
| 47 |
Correct |
1 ms |
336 KB |
Output is correct |
| 48 |
Correct |
1 ms |
336 KB |
Output is correct |
| 49 |
Correct |
1 ms |
336 KB |
Output is correct |
| 50 |
Correct |
1 ms |
336 KB |
Output is correct |
| 51 |
Correct |
2 ms |
336 KB |
Output is correct |
| 52 |
Correct |
1 ms |
336 KB |
Output is correct |
| 53 |
Correct |
2 ms |
336 KB |
Output is correct |
| 54 |
Correct |
1 ms |
336 KB |
Output is correct |
| 55 |
Correct |
1 ms |
336 KB |
Output is correct |
| 56 |
Correct |
1 ms |
400 KB |
Output is correct |
| 57 |
Correct |
1 ms |
336 KB |
Output is correct |
| 58 |
Correct |
1 ms |
336 KB |
Output is correct |
| 59 |
Correct |
2 ms |
336 KB |
Output is correct |
| 60 |
Correct |
1 ms |
336 KB |
Output is correct |
| 61 |
Correct |
107 ms |
9556 KB |
Output is correct |
| 62 |
Correct |
105 ms |
9860 KB |
Output is correct |
| 63 |
Correct |
89 ms |
12412 KB |
Output is correct |
| 64 |
Correct |
113 ms |
12616 KB |
Output is correct |
| 65 |
Correct |
117 ms |
12636 KB |
Output is correct |
| 66 |
Correct |
113 ms |
12624 KB |
Output is correct |
| 67 |
Correct |
118 ms |
12592 KB |
Output is correct |
| 68 |
Correct |
86 ms |
12616 KB |
Output is correct |
| 69 |
Correct |
79 ms |
12360 KB |
Output is correct |
| 70 |
Correct |
76 ms |
12484 KB |
Output is correct |
