#include <bits/stdc++.h>
#define mod 1000000007
#define pb push_back
#define mid(l, r) ((l)+(r))/2
#define len(a) (a).length()
#define sz(a) (a).size()
#define xx first
#define yy second
#define inf int(2e9)
#define ff(i, a, b) for(int (i) = (a); (i) <= (b); ++(i))
#define fb(i, a, b) for(int (i) = (a); (i) >= (b); --(i))
#define maxn 100005
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
template<class T>
void print(const T niz[], const int siz)
{
for(int i=0;i<siz;i++)
cout << niz[i] << " ";
cout << endl;
}
int n,k;
ll niz[maxn];
int smer = 0;
ll dp1[maxn][300];
bool bio1[maxn][300];
int koji1[maxn][300];
ll resi1(int x, int y){
if(bio1[x][y])return dp1[x][y];
if(y >= x)return -1e9;
if(y == 0)return 0;
ll sum = 0;
ll tmp = 0;
ll celsum = 0;
int de = 0;
for(int i=1; i<=x; i++)celsum += niz[i];
for(int i=1; i<=x-1; i++){
sum += niz[i];
if(sum * (celsum - sum) + resi1(i,y-1) > tmp)de = i;
tmp = max(tmp, sum * (celsum - sum) + resi1(i,y-1));
}
bio1[x][y] = 1;
koji1[x][y] = de;
return dp1[x][y] = tmp;
}
ll dp2[maxn][300];
bool bio2[maxn][300];
int koji2[maxn][300];
ll resi2(int x, int y){
if(bio2[x][y])return dp2[x][y];
if(y == 0)return 0;
int kolko = n-x+1;
if(y >= kolko)return -1e9;
ll sum = 0,tmp = 0, celsum = 0;
int koji = 0;
int de = 0;
for(int i=x; i<=n; i++)celsum += niz[i];
for(int i=x; i<=n-1; i++){
sum += niz[i];
if(sum * (celsum - sum) + resi2(i+1,y-1))de = i;
tmp = max(tmp, sum * (celsum - sum) + resi2(i+1,y-1));
//if(x == 1)cout << i << " " << " " << resi2(i+1,y-1) << endl;
}
bio2[x][y] = 1;
koji2[x][y] = de;
return dp2[x][y] = tmp;
}
vector<int>prvi;
vector<int>drugi;
int main()
{
ios_base::sync_with_stdio(false);
cin >> n >> k;
ff(i,1,n)cin >> niz[i];
ll pom = resi1(n,k);
ll pom2 = resi2(1,k);
//cout << pom << " " << pom2 << endl;
int p = koji1[n][k];
int d = koji2[1][k];
int k1 = k-1;
int k2 = k-1;
int br = 1;
int br2 = 1;
prvi.pb(p);
drugi.pb(d);
while(br < k){
p = koji1[p][k1];
d = koji2[d][k1];
k1--;
br++;
prvi.pb(p);
drugi.pb(d);
}
cout << pom << endl;
for(auto c:prvi)cout << c << " ";
//cout << endl;
//for(auto c:drugi)cout << c << " ";
return 0;
}
/*
7 3
4 1 3 4 0 2 3
*/
Compilation message
sequence.cpp: In function 'll resi2(int, int)':
sequence.cpp:62:9: warning: unused variable 'koji' [-Wunused-variable]
int koji = 0;
^~~~
sequence.cpp: In function 'int main()':
sequence.cpp:83:8: warning: unused variable 'pom2' [-Wunused-variable]
ll pom2 = resi2(1,k);
^~~~
sequence.cpp:88:9: warning: unused variable 'k2' [-Wunused-variable]
int k2 = k-1;
^~
sequence.cpp:91:9: warning: unused variable 'br2' [-Wunused-variable]
int br2 = 1;
^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
504 KB |
contestant found the optimal answer: 108 == 108 |
2 |
Correct |
2 ms |
376 KB |
contestant found the optimal answer: 999 == 999 |
3 |
Incorrect |
2 ms |
376 KB |
Integer 0 violates the range [1, 1] |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
888 KB |
contestant found the optimal answer: 1093956 == 1093956 |
2 |
Correct |
2 ms |
760 KB |
contestant found the optimal answer: 302460000 == 302460000 |
3 |
Correct |
3 ms |
760 KB |
contestant found the optimal answer: 122453454361 == 122453454361 |
4 |
Correct |
3 ms |
760 KB |
contestant found the optimal answer: 93663683509 == 93663683509 |
5 |
Correct |
3 ms |
760 KB |
contestant found the optimal answer: 1005304678 == 1005304678 |
6 |
Correct |
2 ms |
764 KB |
contestant found the optimal answer: 933702 == 933702 |
7 |
Correct |
3 ms |
760 KB |
contestant found the optimal answer: 25082842857 == 25082842857 |
8 |
Correct |
3 ms |
760 KB |
contestant found the optimal answer: 687136 == 687136 |
9 |
Correct |
3 ms |
760 KB |
contestant found the optimal answer: 27295930079 == 27295930079 |
10 |
Correct |
3 ms |
760 KB |
contestant found the optimal answer: 29000419931 == 29000419931 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
2040 KB |
contestant found the optimal answer: 610590000 == 610590000 |
2 |
Correct |
4 ms |
1912 KB |
contestant found the optimal answer: 311760000 == 311760000 |
3 |
Correct |
4 ms |
1912 KB |
contestant found the optimal answer: 1989216017013 == 1989216017013 |
4 |
Correct |
4 ms |
1912 KB |
contestant found the optimal answer: 1499437552673 == 1499437552673 |
5 |
Correct |
22 ms |
1912 KB |
contestant found the optimal answer: 1019625819 == 1019625819 |
6 |
Incorrect |
12 ms |
1912 KB |
Integer 0 violates the range [1, 199] |
7 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
26 ms |
8056 KB |
contestant found the optimal answer: 21503404 == 21503404 |
2 |
Correct |
26 ms |
8060 KB |
contestant found the optimal answer: 140412195 == 140412195 |
3 |
Correct |
1616 ms |
8084 KB |
contestant found the optimal answer: 49729674225461 == 49729674225461 |
4 |
Correct |
27 ms |
8028 KB |
contestant found the optimal answer: 37485571387523 == 37485571387523 |
5 |
Correct |
1619 ms |
8116 KB |
contestant found the optimal answer: 679388326 == 679388326 |
6 |
Correct |
1442 ms |
7964 KB |
contestant found the optimal answer: 4699030287 == 4699030287 |
7 |
Correct |
1616 ms |
8024 KB |
contestant found the optimal answer: 12418819758185 == 12418819758185 |
8 |
Correct |
1624 ms |
8016 KB |
contestant found the optimal answer: 31093317350 == 31093317350 |
9 |
Correct |
376 ms |
7992 KB |
contestant found the optimal answer: 12194625429236 == 12194625429236 |
10 |
Correct |
735 ms |
8060 KB |
contestant found the optimal answer: 12345131038664 == 12345131038664 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
2029 ms |
65788 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
2016 ms |
42736 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |