#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#define FOR(i, x, y) for (ll i = x; i < y; i++)
typedef long long ll;
using namespace std;
ll n, k;
pair<ll, ll> dp[201][100001];
ll pref[100001]{0};
bool case1(ll x, ll y, ll i, ll indx) {
return (dp[indx][y].first - dp[indx][x].first >=
(pref[y] - pref[x]) * (pref[n] - pref[i]));
}
bool case2(ll x, ll y, ll i, ll indx) {
return ((dp[indx][y].first - dp[indx][x].first) * (pref[i] - pref[y]) <=
(dp[indx][i].first - dp[indx][y].first) * (pref[y] - pref[x]));
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin >> n >> k;
FOR(i, 1, n + 1) {
ll x;
cin >> x;
pref[i] = pref[i - 1] + x;
}
fill(dp[0], dp[0] + n + 1, make_pair(0, 0));
FOR(i, 1, k + 1) {
deque<ll> q;
q.push_back(0);
dp[i][0] = {0, 0};
FOR(j, 1, n + 1) {
while (q.size() > 1 && case1(q[0], q[1], j, i - 1)) q.pop_front();
ll x = q[0];
dp[i][j] = {dp[i - 1][x].first + (pref[j] - pref[x]) * (pref[n] - pref[j]), x};
while (q.size() > 1 && case2(q[q.size() - 2], q[q.size() - 1], j, i - 1)) q.pop_back();
q.push_back(j);
}
}
ll mx = -1, indx = -1;
FOR(i, 1, n + 1) {
if (dp[k][i].first > mx) mx = dp[k][i].first, indx = i;
}
cout << mx << '\n';
FOR(i, 0, k) {
cout << indx << ' ';
indx = dp[k - i][indx].second;
}
cout << '\n';
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 108 == 108 |
2 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 999 == 999 |
3 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 0 == 0 |
4 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 1542524 == 1542524 |
5 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 4500000000 == 4500000000 |
6 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 1 == 1 |
7 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 1 == 1 |
8 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 1 == 1 |
9 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 100400096 == 100400096 |
10 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 900320000 == 900320000 |
11 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 3698080248 == 3698080248 |
12 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 3200320000 == 3200320000 |
13 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 140072 == 140072 |
14 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 376041456 == 376041456 |
15 |
Correct |
1 ms |
384 KB |
contestant found the optimal answer: 805 == 805 |
16 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 900189994 == 900189994 |
17 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 999919994 == 999919994 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 1093956 == 1093956 |
2 |
Correct |
2 ms |
300 KB |
contestant found the optimal answer: 302460000 == 302460000 |
3 |
Correct |
2 ms |
768 KB |
contestant found the optimal answer: 122453454361 == 122453454361 |
4 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 93663683509 == 93663683509 |
5 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 1005304678 == 1005304678 |
6 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 933702 == 933702 |
7 |
Correct |
2 ms |
512 KB |
contestant found the optimal answer: 25082842857 == 25082842857 |
8 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 687136 == 687136 |
9 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 27295930079 == 27295930079 |
10 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 29000419931 == 29000419931 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 610590000 == 610590000 |
2 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 311760000 == 311760000 |
3 |
Correct |
4 ms |
2304 KB |
contestant found the optimal answer: 1989216017013 == 1989216017013 |
4 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 1499437552673 == 1499437552673 |
5 |
Correct |
3 ms |
1792 KB |
contestant found the optimal answer: 1019625819 == 1019625819 |
6 |
Correct |
3 ms |
2148 KB |
contestant found the optimal answer: 107630884 == 107630884 |
7 |
Correct |
4 ms |
2404 KB |
contestant found the optimal answer: 475357671774 == 475357671774 |
8 |
Correct |
2 ms |
768 KB |
contestant found the optimal answer: 193556962 == 193556962 |
9 |
Correct |
2 ms |
612 KB |
contestant found the optimal answer: 482389919803 == 482389919803 |
10 |
Correct |
2 ms |
896 KB |
contestant found the optimal answer: 490686959791 == 490686959791 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 21503404 == 21503404 |
2 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 140412195 == 140412195 |
3 |
Correct |
9 ms |
4836 KB |
contestant found the optimal answer: 49729674225461 == 49729674225461 |
4 |
Correct |
2 ms |
384 KB |
contestant found the optimal answer: 37485571387523 == 37485571387523 |
5 |
Correct |
10 ms |
4864 KB |
contestant found the optimal answer: 679388326 == 679388326 |
6 |
Correct |
9 ms |
4224 KB |
contestant found the optimal answer: 4699030287 == 4699030287 |
7 |
Correct |
10 ms |
4864 KB |
contestant found the optimal answer: 12418819758185 == 12418819758185 |
8 |
Correct |
9 ms |
4864 KB |
contestant found the optimal answer: 31093317350 == 31093317350 |
9 |
Correct |
3 ms |
1280 KB |
contestant found the optimal answer: 12194625429236 == 12194625429236 |
10 |
Correct |
5 ms |
2176 KB |
contestant found the optimal answer: 12345131038664 == 12345131038664 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
1152 KB |
contestant found the optimal answer: 1818678304 == 1818678304 |
2 |
Correct |
3 ms |
1152 KB |
contestant found the optimal answer: 1326260195 == 1326260195 |
3 |
Correct |
74 ms |
33276 KB |
contestant found the optimal answer: 4973126687469639 == 4973126687469639 |
4 |
Correct |
4 ms |
1152 KB |
contestant found the optimal answer: 3748491676694116 == 3748491676694116 |
5 |
Correct |
52 ms |
20236 KB |
contestant found the optimal answer: 1085432199 == 1085432199 |
6 |
Correct |
60 ms |
23432 KB |
contestant found the optimal answer: 514790755404 == 514790755404 |
7 |
Correct |
65 ms |
25180 KB |
contestant found the optimal answer: 1256105310476641 == 1256105310476641 |
8 |
Correct |
45 ms |
20572 KB |
contestant found the optimal answer: 3099592898816 == 3099592898816 |
9 |
Correct |
55 ms |
23416 KB |
contestant found the optimal answer: 1241131419367412 == 1241131419367412 |
10 |
Correct |
66 ms |
29972 KB |
contestant found the optimal answer: 1243084101967798 == 1243084101967798 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
19 ms |
7600 KB |
contestant found the optimal answer: 19795776960 == 19795776960 |
2 |
Correct |
19 ms |
7812 KB |
contestant found the optimal answer: 19874432173 == 19874432173 |
3 |
Runtime error |
271 ms |
131072 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
4 |
Halted |
0 ms |
0 KB |
- |