#include<bits/stdc++.h>
using namespace std;
const int N = 1e5 + 15;
#define int long long
int a[N];
int n, k;
int dp[N][2];
int pre[N];
int tv[N][205];
int id = 0;
int cost(int l, int r) {
return (pre[r] - pre[l-1]) * (pre[n] - pre[r]);
}
void cal(int k, int l, int r, int opl, int opr) {
if (l > r) return;
int mid = (l + r) / 2;
int opm = -1;
dp[mid][1] = -1e18;
for (int i = opr; i >= opl; i--) {
int val = dp[i][0] + cost(i + 1, mid);
if (val > dp[mid][1]) {
dp[mid][1] = val;
opm = i;
}
}
tv[mid][id] = opm;
cal(k, l, mid - 1, opl, opm);
cal(k, mid + 1, r, opm, opr);
}
signed main() {
ios_base::sync_with_stdio();
cin.tie(0);
cin >> n >> k;
for (int i = 1; i <= n; i++) cin >> a[i];
for (int i = 1; i <= n; i++) {
pre[i] = pre[i-1] + a[i];
}
for (int i = 1; i <= n; i++) dp[i][0] = cost(1, i);
for (int i = 2; i <= k; i++) {
id++;
cal(i, 1, n, 1, n);
for (int j = 1; j <= n; j++) {
dp[j][0] = dp[j][1];
dp[j][1] = 0;
}
}
int mx = -1e18;
int last = 0;
for (int i = 1; i <= n; i++) {
if (mx < dp[i][0]) {
last = i;
mx = dp[i][0];
}
}
cout << mx << endl;
for (int i = k - 1; i >= 0; i--) {
cout << last << " ";
last = tv[last][i];
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 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 |
344 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 |
1 ms |
2652 KB |
contestant found the optimal answer: 610590000 == 610590000 |
| 2 |
Correct |
0 ms |
2652 KB |
contestant found the optimal answer: 311760000 == 311760000 |
| 3 |
Correct |
2 ms |
2652 KB |
contestant found the optimal answer: 1989216017013 == 1989216017013 |
| 4 |
Correct |
1 ms |
2652 KB |
contestant found the optimal answer: 1499437552673 == 1499437552673 |
| 5 |
Correct |
2 ms |
2652 KB |
contestant found the optimal answer: 1019625819 == 1019625819 |
| 6 |
Incorrect |
1 ms |
2652 KB |
position 199 occurs twice in split scheme |
| 7 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2652 KB |
contestant found the optimal answer: 21503404 == 21503404 |
| 2 |
Correct |
1 ms |
2652 KB |
contestant found the optimal answer: 140412195 == 140412195 |
| 3 |
Correct |
4 ms |
2652 KB |
contestant found the optimal answer: 49729674225461 == 49729674225461 |
| 4 |
Correct |
1 ms |
2652 KB |
contestant found the optimal answer: 37485571387523 == 37485571387523 |
| 5 |
Correct |
5 ms |
2720 KB |
contestant found the optimal answer: 679388326 == 679388326 |
| 6 |
Correct |
4 ms |
2720 KB |
contestant found the optimal answer: 4699030287 == 4699030287 |
| 7 |
Correct |
5 ms |
2648 KB |
contestant found the optimal answer: 12418819758185 == 12418819758185 |
| 8 |
Correct |
4 ms |
2652 KB |
contestant found the optimal answer: 31093317350 == 31093317350 |
| 9 |
Correct |
2 ms |
2700 KB |
contestant found the optimal answer: 12194625429236 == 12194625429236 |
| 10 |
Correct |
3 ms |
2648 KB |
contestant found the optimal answer: 12345131038664 == 12345131038664 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
17240 KB |
contestant found the optimal answer: 1818678304 == 1818678304 |
| 2 |
Correct |
3 ms |
17244 KB |
contestant found the optimal answer: 1326260195 == 1326260195 |
| 3 |
Correct |
44 ms |
17244 KB |
contestant found the optimal answer: 4973126687469639 == 4973126687469639 |
| 4 |
Correct |
4 ms |
17244 KB |
contestant found the optimal answer: 3748491676694116 == 3748491676694116 |
| 5 |
Correct |
56 ms |
17244 KB |
contestant found the optimal answer: 1085432199 == 1085432199 |
| 6 |
Correct |
48 ms |
17240 KB |
contestant found the optimal answer: 514790755404 == 514790755404 |
| 7 |
Correct |
45 ms |
17240 KB |
contestant found the optimal answer: 1256105310476641 == 1256105310476641 |
| 8 |
Correct |
31 ms |
17244 KB |
contestant found the optimal answer: 3099592898816 == 3099592898816 |
| 9 |
Correct |
46 ms |
17244 KB |
contestant found the optimal answer: 1241131419367412 == 1241131419367412 |
| 10 |
Correct |
56 ms |
17240 KB |
contestant found the optimal answer: 1243084101967798 == 1243084101967798 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
27 ms |
131072 KB |
Execution killed with signal 9 |
| 2 |
Halted |
0 ms |
0 KB |
- |
