#include <iostream>
#include <cstdio>
#include <algorithm>
using namespace std;
#define endl '\n'
#define ll long long
#define pi pair<ll, ll>
#define pii pair<pi, int>
#define f first
#define s second
const int maxn = 100001, maxk = 202;
int n, k;
int p[maxk][maxn];
pii l[maxk][maxn];
int s[maxk], e[maxk];
ll c;
int ans[maxn];
bool cp(pii x, pii y, pii z){
return (x.f.f - z.f.f) * (y.f.s - x.f.s) >= (x.f.f - y.f.f) * (z.f.s - x.f.s);
}
ll f(ll x, ll y, ll z){
return l[x][y].f.f * z + l[x][y].f.s;
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
cin >> n >> k;
k++;
l[0][0] = {{0, 0}, -1};
for(int i = 1; i <= k; i++) l[i][0] = {{0, 0x3f3f3f3f}, -1};
for(int i = 0; i < n; i++){
ll x;
cin >> x;
c += x;
for(int j = k; j; j--){
while(e[j - 1] - s[j - 1] > 1 && f(j - 1, s[j - 1], c) >= f(j - 1, s[j - 1] + 1, c)) s[j - 1]++;
p[j][i] = l[j - 1][s[j - 1]].s;
pii x = {{-2 * c, 2 * c * c + f(j - 1, s[j - 1], c)}, i};
while(e[j] - s[j] > 1 && cp(l[j][e[j] - 2], l[j][e[j] - 1], x)) e[j]--;
l[j][e[j]++] = x;
}
}
for(int i = k - 2, j = p[k][n - 1]; ~i; j = p[i-- + 1][j]) ans[i] = j + 1;
cout << ((2 * c * c - l[k][e[k] - 1].f.s) / 2) << endl;
cout << ans[0];
for(int i = 1; i < k - 1; i++) cout << " " << ans[i];
cout << endl;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
384 KB |
contestant found the optimal answer: 108 == 108 |
2 |
Correct |
5 ms |
384 KB |
contestant found the optimal answer: 999 == 999 |
3 |
Correct |
5 ms |
384 KB |
contestant found the optimal answer: 0 == 0 |
4 |
Correct |
4 ms |
384 KB |
contestant found the optimal answer: 1542524 == 1542524 |
5 |
Correct |
5 ms |
512 KB |
contestant found the optimal answer: 4500000000 == 4500000000 |
6 |
Correct |
5 ms |
384 KB |
contestant found the optimal answer: 1 == 1 |
7 |
Correct |
5 ms |
384 KB |
contestant found the optimal answer: 1 == 1 |
8 |
Correct |
4 ms |
384 KB |
contestant found the optimal answer: 1 == 1 |
9 |
Correct |
5 ms |
384 KB |
contestant found the optimal answer: 100400096 == 100400096 |
10 |
Correct |
5 ms |
384 KB |
contestant found the optimal answer: 900320000 == 900320000 |
11 |
Correct |
4 ms |
384 KB |
contestant found the optimal answer: 3698080248 == 3698080248 |
12 |
Correct |
4 ms |
384 KB |
contestant found the optimal answer: 3200320000 == 3200320000 |
13 |
Correct |
5 ms |
384 KB |
contestant found the optimal answer: 140072 == 140072 |
14 |
Correct |
4 ms |
384 KB |
contestant found the optimal answer: 376041456 == 376041456 |
15 |
Correct |
5 ms |
384 KB |
contestant found the optimal answer: 805 == 805 |
16 |
Correct |
5 ms |
384 KB |
contestant found the optimal answer: 900189994 == 900189994 |
17 |
Correct |
5 ms |
384 KB |
contestant found the optimal answer: 999919994 == 999919994 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
384 KB |
contestant found the optimal answer: 1093956 == 1093956 |
2 |
Correct |
5 ms |
384 KB |
contestant found the optimal answer: 302460000 == 302460000 |
3 |
Correct |
5 ms |
1024 KB |
contestant found the optimal answer: 122453454361 == 122453454361 |
4 |
Correct |
5 ms |
384 KB |
contestant found the optimal answer: 93663683509 == 93663683509 |
5 |
Correct |
5 ms |
512 KB |
contestant found the optimal answer: 1005304678 == 1005304678 |
6 |
Correct |
5 ms |
512 KB |
contestant found the optimal answer: 933702 == 933702 |
7 |
Correct |
5 ms |
768 KB |
contestant found the optimal answer: 25082842857 == 25082842857 |
8 |
Correct |
5 ms |
512 KB |
contestant found the optimal answer: 687136 == 687136 |
9 |
Correct |
5 ms |
512 KB |
contestant found the optimal answer: 27295930079 == 27295930079 |
10 |
Correct |
5 ms |
512 KB |
contestant found the optimal answer: 29000419931 == 29000419931 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
384 KB |
contestant found the optimal answer: 610590000 == 610590000 |
2 |
Correct |
5 ms |
384 KB |
contestant found the optimal answer: 311760000 == 311760000 |
3 |
Correct |
7 ms |
3968 KB |
contestant found the optimal answer: 1989216017013 == 1989216017013 |
4 |
Correct |
5 ms |
384 KB |
contestant found the optimal answer: 1499437552673 == 1499437552673 |
5 |
Correct |
6 ms |
2816 KB |
contestant found the optimal answer: 1019625819 == 1019625819 |
6 |
Correct |
6 ms |
3584 KB |
contestant found the optimal answer: 107630884 == 107630884 |
7 |
Correct |
7 ms |
3968 KB |
contestant found the optimal answer: 475357671774 == 475357671774 |
8 |
Correct |
5 ms |
1152 KB |
contestant found the optimal answer: 193556962 == 193556962 |
9 |
Correct |
5 ms |
896 KB |
contestant found the optimal answer: 482389919803 == 482389919803 |
10 |
Correct |
5 ms |
1408 KB |
contestant found the optimal answer: 490686959791 == 490686959791 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
512 KB |
contestant found the optimal answer: 21503404 == 21503404 |
2 |
Correct |
5 ms |
512 KB |
contestant found the optimal answer: 140412195 == 140412195 |
3 |
Correct |
11 ms |
8448 KB |
contestant found the optimal answer: 49729674225461 == 49729674225461 |
4 |
Correct |
5 ms |
512 KB |
contestant found the optimal answer: 37485571387523 == 37485571387523 |
5 |
Correct |
13 ms |
7296 KB |
contestant found the optimal answer: 679388326 == 679388326 |
6 |
Correct |
10 ms |
6016 KB |
contestant found the optimal answer: 4699030287 == 4699030287 |
7 |
Correct |
12 ms |
8192 KB |
contestant found the optimal answer: 12418819758185 == 12418819758185 |
8 |
Correct |
11 ms |
8320 KB |
contestant found the optimal answer: 31093317350 == 31093317350 |
9 |
Correct |
7 ms |
1920 KB |
contestant found the optimal answer: 12194625429236 == 12194625429236 |
10 |
Correct |
7 ms |
3328 KB |
contestant found the optimal answer: 12345131038664 == 12345131038664 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
1280 KB |
contestant found the optimal answer: 1818678304 == 1818678304 |
2 |
Correct |
6 ms |
1152 KB |
contestant found the optimal answer: 1326260195 == 1326260195 |
3 |
Correct |
69 ms |
57976 KB |
contestant found the optimal answer: 4973126687469639 == 4973126687469639 |
4 |
Correct |
7 ms |
1536 KB |
contestant found the optimal answer: 3748491676694116 == 3748491676694116 |
5 |
Correct |
45 ms |
28152 KB |
contestant found the optimal answer: 1085432199 == 1085432199 |
6 |
Correct |
42 ms |
24056 KB |
contestant found the optimal answer: 514790755404 == 514790755404 |
7 |
Correct |
58 ms |
41848 KB |
contestant found the optimal answer: 1256105310476641 == 1256105310476641 |
8 |
Correct |
47 ms |
33912 KB |
contestant found the optimal answer: 3099592898816 == 3099592898816 |
9 |
Correct |
50 ms |
37116 KB |
contestant found the optimal answer: 1241131419367412 == 1241131419367412 |
10 |
Correct |
65 ms |
47480 KB |
contestant found the optimal answer: 1243084101967798 == 1243084101967798 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
22 ms |
9344 KB |
contestant found the optimal answer: 19795776960 == 19795776960 |
2 |
Correct |
21 ms |
9088 KB |
contestant found the optimal answer: 19874432173 == 19874432173 |
3 |
Runtime error |
158 ms |
131076 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
4 |
Halted |
0 ms |
0 KB |
- |