#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;
deque<pair<pair<long long,long long>,long long>> v1;
double in(long double m1,long double c1,long double m2,long double c2){
if(m1==m2)return (c1>=c2);
return (c2-c1)/(m1-m2);
}
void insert_line(long long m,long long c,long long idx){
while(v1.size()>1&&in(v1[v1.size()-2].first.first,v1[v1.size()-2].first.second,v1[v1.size()-1].first.first,v1[v1.size()-1].first.second)>=in(v1[v1.size()-2].first.first,v1[v1.size()-2].first.second,m,c)){
v1.pop_back();
}
v1.push_back({{m,c},idx});
}
pair<long long,long long> eval(long long x){
while(v1.size()>1&&in(v1[0].first.first,v1[0].first.second,v1[1].first.first,v1[1].first.second)<x)v1.pop_front();
return {v1[0].first.first*x+v1[0].first.second,v1[0].second};
}
long long dp[100001][2];
int lol[100001][204];
signed main(){
ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
long long n,k;
cin>>n>>k;
long long arr[n+1] = {0};
for(int i = 1;i<=n;i++){
cin>>arr[i];
arr[i]+=arr[i-1];
}
if(n==1){
cout<<0<<endl;
return 0;
}
for(long long j = 1;j<=k+1;j++){
v1.clear();
insert_line(arr[j-1],(dp[j-1][!(j&1)]-arr[j-1]*arr[n]),j-1);
for(int i = j;i<=n;i++){
dp[i][j&1] = arr[i]*arr[n]-arr[i]*arr[i]+eval(arr[i]).first;
lol[i][j] = eval(arr[i]).second;
insert_line(arr[i],(dp[i][!(j&1)]-arr[i]*arr[n]),i);
}
}
k++;
cout<<dp[n][k&1]<<endl;
int x = n;
vector<long long> ha;
while(k>1){
ha.push_back(max(1,lol[x][k]));
x = lol[x][k];k--;
}
for(int i = ha.size()-1;i>=0;i--){
cout<<ha[i]<<" ";
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
contestant found the optimal answer: 108 == 108 |
2 |
Correct |
0 ms |
340 KB |
contestant found the optimal answer: 999 == 999 |
3 |
Correct |
0 ms |
212 KB |
contestant found the optimal answer: 0 == 0 |
4 |
Correct |
0 ms |
340 KB |
contestant found the optimal answer: 1542524 == 1542524 |
5 |
Correct |
0 ms |
212 KB |
contestant found the optimal answer: 4500000000 == 4500000000 |
6 |
Correct |
1 ms |
212 KB |
contestant found the optimal answer: 1 == 1 |
7 |
Correct |
0 ms |
340 KB |
contestant found the optimal answer: 1 == 1 |
8 |
Correct |
0 ms |
340 KB |
contestant found the optimal answer: 1 == 1 |
9 |
Correct |
0 ms |
340 KB |
contestant found the optimal answer: 100400096 == 100400096 |
10 |
Correct |
0 ms |
340 KB |
contestant found the optimal answer: 900320000 == 900320000 |
11 |
Correct |
1 ms |
212 KB |
contestant found the optimal answer: 3698080248 == 3698080248 |
12 |
Correct |
0 ms |
340 KB |
contestant found the optimal answer: 3200320000 == 3200320000 |
13 |
Correct |
0 ms |
340 KB |
contestant found the optimal answer: 140072 == 140072 |
14 |
Correct |
0 ms |
212 KB |
contestant found the optimal answer: 376041456 == 376041456 |
15 |
Correct |
0 ms |
212 KB |
contestant found the optimal answer: 805 == 805 |
16 |
Correct |
0 ms |
212 KB |
contestant found the optimal answer: 900189994 == 900189994 |
17 |
Correct |
0 ms |
340 KB |
contestant found the optimal answer: 999919994 == 999919994 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
contestant found the optimal answer: 1093956 == 1093956 |
2 |
Correct |
0 ms |
340 KB |
contestant found the optimal answer: 302460000 == 302460000 |
3 |
Correct |
0 ms |
340 KB |
contestant found the optimal answer: 122453454361 == 122453454361 |
4 |
Correct |
1 ms |
340 KB |
contestant found the optimal answer: 93663683509 == 93663683509 |
5 |
Correct |
0 ms |
340 KB |
contestant found the optimal answer: 1005304678 == 1005304678 |
6 |
Correct |
0 ms |
340 KB |
contestant found the optimal answer: 933702 == 933702 |
7 |
Correct |
0 ms |
340 KB |
contestant found the optimal answer: 25082842857 == 25082842857 |
8 |
Correct |
0 ms |
340 KB |
contestant found the optimal answer: 687136 == 687136 |
9 |
Correct |
1 ms |
340 KB |
contestant found the optimal answer: 27295930079 == 27295930079 |
10 |
Correct |
0 ms |
340 KB |
contestant found the optimal answer: 29000419931 == 29000419931 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
468 KB |
contestant found the optimal answer: 610590000 == 610590000 |
2 |
Correct |
1 ms |
468 KB |
contestant found the optimal answer: 311760000 == 311760000 |
3 |
Correct |
1 ms |
468 KB |
contestant found the optimal answer: 1989216017013 == 1989216017013 |
4 |
Correct |
0 ms |
468 KB |
contestant found the optimal answer: 1499437552673 == 1499437552673 |
5 |
Correct |
1 ms |
468 KB |
contestant found the optimal answer: 1019625819 == 1019625819 |
6 |
Correct |
1 ms |
468 KB |
contestant found the optimal answer: 107630884 == 107630884 |
7 |
Correct |
2 ms |
396 KB |
contestant found the optimal answer: 475357671774 == 475357671774 |
8 |
Correct |
1 ms |
468 KB |
contestant found the optimal answer: 193556962 == 193556962 |
9 |
Correct |
1 ms |
468 KB |
contestant found the optimal answer: 482389919803 == 482389919803 |
10 |
Correct |
1 ms |
468 KB |
contestant found the optimal answer: 490686959791 == 490686959791 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1108 KB |
contestant found the optimal answer: 21503404 == 21503404 |
2 |
Correct |
1 ms |
1108 KB |
contestant found the optimal answer: 140412195 == 140412195 |
3 |
Correct |
9 ms |
1108 KB |
contestant found the optimal answer: 49729674225461 == 49729674225461 |
4 |
Correct |
1 ms |
1108 KB |
contestant found the optimal answer: 37485571387523 == 37485571387523 |
5 |
Correct |
11 ms |
1172 KB |
contestant found the optimal answer: 679388326 == 679388326 |
6 |
Correct |
9 ms |
1108 KB |
contestant found the optimal answer: 4699030287 == 4699030287 |
7 |
Correct |
10 ms |
1108 KB |
contestant found the optimal answer: 12418819758185 == 12418819758185 |
8 |
Correct |
8 ms |
1168 KB |
contestant found the optimal answer: 31093317350 == 31093317350 |
9 |
Correct |
3 ms |
1108 KB |
contestant found the optimal answer: 12194625429236 == 12194625429236 |
10 |
Correct |
5 ms |
1120 KB |
contestant found the optimal answer: 12345131038664 == 12345131038664 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
8532 KB |
contestant found the optimal answer: 1818678304 == 1818678304 |
2 |
Correct |
6 ms |
8660 KB |
contestant found the optimal answer: 1326260195 == 1326260195 |
3 |
Correct |
96 ms |
8660 KB |
contestant found the optimal answer: 4973126687469639 == 4973126687469639 |
4 |
Correct |
5 ms |
8660 KB |
contestant found the optimal answer: 3748491676694116 == 3748491676694116 |
5 |
Correct |
79 ms |
8660 KB |
contestant found the optimal answer: 1085432199 == 1085432199 |
6 |
Correct |
90 ms |
8628 KB |
contestant found the optimal answer: 514790755404 == 514790755404 |
7 |
Correct |
98 ms |
8660 KB |
contestant found the optimal answer: 1256105310476641 == 1256105310476641 |
8 |
Correct |
66 ms |
8660 KB |
contestant found the optimal answer: 3099592898816 == 3099592898816 |
9 |
Correct |
83 ms |
8660 KB |
contestant found the optimal answer: 1241131419367412 == 1241131419367412 |
10 |
Correct |
100 ms |
8660 KB |
contestant found the optimal answer: 1243084101967798 == 1243084101967798 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
55 ms |
83448 KB |
contestant found the optimal answer: 19795776960 == 19795776960 |
2 |
Correct |
53 ms |
83600 KB |
contestant found the optimal answer: 19874432173 == 19874432173 |
3 |
Correct |
1026 ms |
83664 KB |
contestant found the optimal answer: 497313449256899208 == 497313449256899208 |
4 |
Correct |
52 ms |
84172 KB |
contestant found the optimal answer: 374850090734572421 == 374850090734572421 |
5 |
Correct |
1334 ms |
83896 KB |
contestant found the optimal answer: 36183271951 == 36183271951 |
6 |
Correct |
920 ms |
83700 KB |
contestant found the optimal answer: 51629847150471 == 51629847150471 |
7 |
Correct |
955 ms |
84172 KB |
contestant found the optimal answer: 124074747024496432 == 124074747024496432 |
8 |
Correct |
714 ms |
84048 KB |
contestant found the optimal answer: 309959349080800 == 309959349080800 |
9 |
Correct |
778 ms |
83884 KB |
contestant found the optimal answer: 124113525649823701 == 124113525649823701 |
10 |
Correct |
981 ms |
83932 KB |
contestant found the optimal answer: 124309619349406845 == 124309619349406845 |