#include <bits/stdc++.h>
#define FOR(i, x, y) for (int i = x; i < y; i++)
typedef long long ll;
using namespace std;
int n, k;
int where[201][100001];
ll pref[100001]{0}, dp[2][100001], q[100001], l = 1, r = 1;
bool case1(int x, int y, int i) {
return (dp[0][y] - dp[0][x] >=
(pref[y] - pref[x]) * (pref[n] - pref[i]));
}
bool case2(int x, int y, int i) {
return ((dp[0][y] - dp[0][x]) * (pref[i] - pref[y]) <=
(dp[0][i] - dp[0][y]) * (pref[y] - pref[x]));
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin >> n >> k;
FOR(i, 1, n + 1) {
int x;
cin >> x;
pref[i] = pref[i - 1] + x;
}
fill(dp[0], dp[0] + n + 1, 0);
FOR(i, 1, k + 1) {
q[r++] = 0;
FOR(j, 1, n + 1) {
while (r - l > 1 && case1(q[l], q[l + 1], j)) l++;
ll x = q[l];
dp[1][j] = dp[0][x] + (pref[j] - pref[x]) * (pref[n] - pref[j]);
where[i][j] = x;
while (r - l > 1 && case2(q[r - 2], q[r - 1], j)) r--;
q[r++] = j;
}
l = r = 1;
FOR(j, 1, n + 1) dp[0][j] = dp[1][j];
}
ll mx = -1;
int indx = -1;
FOR(i, 1, n + 1) {
if (dp[0][i] > mx) mx = dp[0][i], indx = i;
}
cout << mx << '\n';
FOR(i, 0, k) {
cout << indx << ' ';
indx = where[k - i][indx];
}
cout << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 108 == 108 |
2 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 999 == 999 |
3 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 0 == 0 |
4 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 1542524 == 1542524 |
5 |
Correct |
0 ms |
332 KB |
contestant found the optimal answer: 4500000000 == 4500000000 |
6 |
Correct |
0 ms |
332 KB |
contestant found the optimal answer: 1 == 1 |
7 |
Correct |
0 ms |
332 KB |
contestant found the optimal answer: 1 == 1 |
8 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 1 == 1 |
9 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 100400096 == 100400096 |
10 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 900320000 == 900320000 |
11 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 3698080248 == 3698080248 |
12 |
Correct |
0 ms |
332 KB |
contestant found the optimal answer: 3200320000 == 3200320000 |
13 |
Correct |
0 ms |
332 KB |
contestant found the optimal answer: 140072 == 140072 |
14 |
Correct |
0 ms |
332 KB |
contestant found the optimal answer: 376041456 == 376041456 |
15 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 805 == 805 |
16 |
Correct |
1 ms |
320 KB |
contestant found the optimal answer: 900189994 == 900189994 |
17 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 999919994 == 999919994 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
332 KB |
contestant found the optimal answer: 1093956 == 1093956 |
2 |
Correct |
0 ms |
320 KB |
contestant found the optimal answer: 302460000 == 302460000 |
3 |
Correct |
1 ms |
460 KB |
contestant found the optimal answer: 122453454361 == 122453454361 |
4 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 93663683509 == 93663683509 |
5 |
Correct |
1 ms |
320 KB |
contestant found the optimal answer: 1005304678 == 1005304678 |
6 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 933702 == 933702 |
7 |
Correct |
1 ms |
452 KB |
contestant found the optimal answer: 25082842857 == 25082842857 |
8 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 687136 == 687136 |
9 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 27295930079 == 27295930079 |
10 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 29000419931 == 29000419931 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 610590000 == 610590000 |
2 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 311760000 == 311760000 |
3 |
Correct |
2 ms |
1356 KB |
contestant found the optimal answer: 1989216017013 == 1989216017013 |
4 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 1499437552673 == 1499437552673 |
5 |
Correct |
1 ms |
1100 KB |
contestant found the optimal answer: 1019625819 == 1019625819 |
6 |
Correct |
1 ms |
1356 KB |
contestant found the optimal answer: 107630884 == 107630884 |
7 |
Correct |
2 ms |
1356 KB |
contestant found the optimal answer: 475357671774 == 475357671774 |
8 |
Correct |
1 ms |
588 KB |
contestant found the optimal answer: 193556962 == 193556962 |
9 |
Correct |
1 ms |
460 KB |
contestant found the optimal answer: 482389919803 == 482389919803 |
10 |
Correct |
1 ms |
576 KB |
contestant found the optimal answer: 490686959791 == 490686959791 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 21503404 == 21503404 |
2 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 140412195 == 140412195 |
3 |
Correct |
3 ms |
1996 KB |
contestant found the optimal answer: 49729674225461 == 49729674225461 |
4 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 37485571387523 == 37485571387523 |
5 |
Correct |
4 ms |
1996 KB |
contestant found the optimal answer: 679388326 == 679388326 |
6 |
Correct |
4 ms |
1740 KB |
contestant found the optimal answer: 4699030287 == 4699030287 |
7 |
Correct |
5 ms |
1988 KB |
contestant found the optimal answer: 12418819758185 == 12418819758185 |
8 |
Correct |
3 ms |
1996 KB |
contestant found the optimal answer: 31093317350 == 31093317350 |
9 |
Correct |
1 ms |
716 KB |
contestant found the optimal answer: 12194625429236 == 12194625429236 |
10 |
Correct |
2 ms |
972 KB |
contestant found the optimal answer: 12345131038664 == 12345131038664 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
716 KB |
contestant found the optimal answer: 1818678304 == 1818678304 |
2 |
Correct |
2 ms |
720 KB |
contestant found the optimal answer: 1326260195 == 1326260195 |
3 |
Correct |
24 ms |
9388 KB |
contestant found the optimal answer: 4973126687469639 == 4973126687469639 |
4 |
Correct |
2 ms |
780 KB |
contestant found the optimal answer: 3748491676694116 == 3748491676694116 |
5 |
Correct |
25 ms |
5824 KB |
contestant found the optimal answer: 1085432199 == 1085432199 |
6 |
Correct |
25 ms |
6864 KB |
contestant found the optimal answer: 514790755404 == 514790755404 |
7 |
Correct |
29 ms |
7220 KB |
contestant found the optimal answer: 1256105310476641 == 1256105310476641 |
8 |
Correct |
18 ms |
5988 KB |
contestant found the optimal answer: 3099592898816 == 3099592898816 |
9 |
Correct |
26 ms |
6732 KB |
contestant found the optimal answer: 1241131419367412 == 1241131419367412 |
10 |
Correct |
27 ms |
8548 KB |
contestant found the optimal answer: 1243084101967798 == 1243084101967798 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
12 ms |
4588 KB |
contestant found the optimal answer: 19795776960 == 19795776960 |
2 |
Correct |
11 ms |
4564 KB |
contestant found the optimal answer: 19874432173 == 19874432173 |
3 |
Correct |
244 ms |
82156 KB |
contestant found the optimal answer: 497313449256899208 == 497313449256899208 |
4 |
Correct |
12 ms |
5068 KB |
contestant found the optimal answer: 374850090734572421 == 374850090734572421 |
5 |
Correct |
402 ms |
81780 KB |
contestant found the optimal answer: 36183271951 == 36183271951 |
6 |
Correct |
251 ms |
58292 KB |
contestant found the optimal answer: 51629847150471 == 51629847150471 |
7 |
Correct |
274 ms |
62548 KB |
contestant found the optimal answer: 124074747024496432 == 124074747024496432 |
8 |
Correct |
189 ms |
51464 KB |
contestant found the optimal answer: 309959349080800 == 309959349080800 |
9 |
Correct |
222 ms |
58424 KB |
contestant found the optimal answer: 124113525649823701 == 124113525649823701 |
10 |
Correct |
257 ms |
74128 KB |
contestant found the optimal answer: 124309619349406845 == 124309619349406845 |