/*
* author : Apiram
* created: 26.06.2023 00:43:43
*/
#include<bits/stdc++.h>
using namespace std;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
int n,k;cin>>n>>k;
vector<long long>arr(n);
for (int i = 0;i<n;++i){
cin>>arr[i];
}
vector<long long>pref(n + 1,0);
for (int i = 0;i<n;++i){
pref[i + 1] = pref[i] + arr[i];
}
auto query = [&](int u,int v){
return pref[v + 1] - pref[u];
};
vector<vector<vector<long long>>>dp(n + 1,vector<vector<long long>>(k + 1,vector<long long>(2,-1)));
for (int i = 0;i<n;++i){
dp[i][0][0] = 0;
dp[i][0][1] = -1;
}
for (int i = 1;i<=k;++i){
for (int j = 1;j<n;++j){
for (int p = 0;p<j;++p){
if (dp[j][i][0] < dp[p][i - 1][0] + query(p,j - 1) * query(j,n - 1)){
dp[j][i][0] = dp[p][i - 1][0] + query(p,j - 1) * query(j,n - 1);
dp[j][i][1] = p;
}
}
}
}
long long ans = -1;
int v = -1;
for (int i = 1;i<n;++i){
if (dp[i][k][0] > ans){
ans = dp[i][k][0];
v = i;
}
}
cout<<ans<<'\n';
vector<int>pos;
for (int i = 0;i<k;++i){
pos.push_back(v);
v = dp[v][k - i][1];
}
reverse(pos.begin(),pos.end());
for (auto x:pos)cout<<x<<" ";
cout<<'\n';
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 108 == 108 |
2 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 999 == 999 |
3 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 0 == 0 |
4 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 1542524 == 1542524 |
5 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 4500000000 == 4500000000 |
6 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 1 == 1 |
7 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 1 == 1 |
8 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 1 == 1 |
9 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 100400096 == 100400096 |
10 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 900320000 == 900320000 |
11 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 3698080248 == 3698080248 |
12 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 3200320000 == 3200320000 |
13 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 140072 == 140072 |
14 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 376041456 == 376041456 |
15 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 805 == 805 |
16 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 900189994 == 900189994 |
17 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 999919994 == 999919994 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 1093956 == 1093956 |
2 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 302460000 == 302460000 |
3 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 122453454361 == 122453454361 |
4 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 93663683509 == 93663683509 |
5 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 1005304678 == 1005304678 |
6 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 933702 == 933702 |
7 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 25082842857 == 25082842857 |
8 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 687136 == 687136 |
9 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 27295930079 == 27295930079 |
10 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 29000419931 == 29000419931 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 610590000 == 610590000 |
2 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 311760000 == 311760000 |
3 |
Correct |
7 ms |
2652 KB |
contestant found the optimal answer: 1989216017013 == 1989216017013 |
4 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 1499437552673 == 1499437552673 |
5 |
Correct |
5 ms |
1884 KB |
contestant found the optimal answer: 1019625819 == 1019625819 |
6 |
Correct |
6 ms |
2460 KB |
contestant found the optimal answer: 107630884 == 107630884 |
7 |
Correct |
7 ms |
2652 KB |
contestant found the optimal answer: 475357671774 == 475357671774 |
8 |
Correct |
1 ms |
860 KB |
contestant found the optimal answer: 193556962 == 193556962 |
9 |
Correct |
1 ms |
604 KB |
contestant found the optimal answer: 482389919803 == 482389919803 |
10 |
Correct |
3 ms |
860 KB |
contestant found the optimal answer: 490686959791 == 490686959791 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
604 KB |
contestant found the optimal answer: 21503404 == 21503404 |
2 |
Correct |
3 ms |
604 KB |
contestant found the optimal answer: 140412195 == 140412195 |
3 |
Correct |
233 ms |
11356 KB |
contestant found the optimal answer: 49729674225461 == 49729674225461 |
4 |
Correct |
3 ms |
604 KB |
contestant found the optimal answer: 37485571387523 == 37485571387523 |
5 |
Correct |
288 ms |
11432 KB |
contestant found the optimal answer: 679388326 == 679388326 |
6 |
Correct |
187 ms |
9816 KB |
contestant found the optimal answer: 4699030287 == 4699030287 |
7 |
Correct |
285 ms |
11356 KB |
contestant found the optimal answer: 12418819758185 == 12418819758185 |
8 |
Correct |
286 ms |
11352 KB |
contestant found the optimal answer: 31093317350 == 31093317350 |
9 |
Correct |
39 ms |
2648 KB |
contestant found the optimal answer: 12194625429236 == 12194625429236 |
10 |
Correct |
67 ms |
4928 KB |
contestant found the optimal answer: 12345131038664 == 12345131038664 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
439 ms |
3164 KB |
contestant found the optimal answer: 1818678304 == 1818678304 |
2 |
Correct |
456 ms |
3164 KB |
contestant found the optimal answer: 1326260195 == 1326260195 |
3 |
Execution timed out |
2039 ms |
110968 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
2011 ms |
27736 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |