/*input
7 3
4 1 3 4 0 2 3
*/
#include <vector>
#include <stdio.h>
#include <algorithm>
using namespace std;
vector<long long> ans, val, sum;
int n, k, trace[201][100001];
void solve(int step, int l, int r, int u, int v){
int mid = (l + r) >> 1;
ans[mid] = 0;
for(int i = u; i <= min(mid - 1, v); ++i)
if(ans[mid] <= 1ll * sum[i] * (sum[mid] - sum[i]) + val[i])
ans[mid] = 1ll * sum[i] * (sum[mid] - sum[i]) + val[i], trace[step][mid] = i;
if(l == r) return;
solve(step, l, mid, u, trace[step][mid]);
solve(step, mid + 1, r, trace[step][mid], v);
}
int main(){
scanf("%d%d", &n, &k);
sum.resize(n + 1), ans.resize(n + 1), val.resize(n + 1);
for(int i = 1; i <= n; ++i)
scanf("%lld", &sum[i]), sum[i] += sum[i - 1];
for(int i = 1; i <= k; ++i)
ans.swap(val), solve(i, 1, n, 1, n - 1);
printf("%lld\n", ans[n]);
vector<int> res;
while(k != 0 && n != 0) res.push_back(trace[k][n]), n = trace[k--][n];
reverse(res.begin(), res.end());
for(int i = 0; i < (int)res.size(); ++i)
printf("%s%d", i ? " " : "", res[i]);
}
Compilation message
sequence.cpp: In function 'int main()':
sequence.cpp:27:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &n, &k);
^
sequence.cpp:30:47: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld", &sum[i]), sum[i] += sum[i - 1];
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 108 == 108 |
| 2 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 999 == 999 |
| 3 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 0 == 0 |
| 4 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 1542524 == 1542524 |
| 5 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 4500000000 == 4500000000 |
| 6 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 1 == 1 |
| 7 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 1 == 1 |
| 8 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 1 == 1 |
| 9 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 100400096 == 100400096 |
| 10 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 900320000 == 900320000 |
| 11 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 3698080248 == 3698080248 |
| 12 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 3200320000 == 3200320000 |
| 13 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 140072 == 140072 |
| 14 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 376041456 == 376041456 |
| 15 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 805 == 805 |
| 16 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 900189994 == 900189994 |
| 17 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 999919994 == 999919994 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 1093956 == 1093956 |
| 2 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 302460000 == 302460000 |
| 3 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 122453454361 == 122453454361 |
| 4 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 93663683509 == 93663683509 |
| 5 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 1005304678 == 1005304678 |
| 6 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 933702 == 933702 |
| 7 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 25082842857 == 25082842857 |
| 8 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 687136 == 687136 |
| 9 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 27295930079 == 27295930079 |
| 10 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 29000419931 == 29000419931 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 610590000 == 610590000 |
| 2 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 311760000 == 311760000 |
| 3 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 1989216017013 == 1989216017013 |
| 4 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 1499437552673 == 1499437552673 |
| 5 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 1019625819 == 1019625819 |
| 6 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 107630884 == 107630884 |
| 7 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 475357671774 == 475357671774 |
| 8 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 193556962 == 193556962 |
| 9 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 482389919803 == 482389919803 |
| 10 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 490686959791 == 490686959791 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 21503404 == 21503404 |
| 2 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 140412195 == 140412195 |
| 3 |
Correct |
6 ms |
80444 KB |
contestant found the optimal answer: 49729674225461 == 49729674225461 |
| 4 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 37485571387523 == 37485571387523 |
| 5 |
Correct |
6 ms |
80444 KB |
contestant found the optimal answer: 679388326 == 679388326 |
| 6 |
Correct |
6 ms |
80444 KB |
contestant found the optimal answer: 4699030287 == 4699030287 |
| 7 |
Correct |
9 ms |
80444 KB |
contestant found the optimal answer: 12418819758185 == 12418819758185 |
| 8 |
Correct |
9 ms |
80444 KB |
contestant found the optimal answer: 31093317350 == 31093317350 |
| 9 |
Correct |
0 ms |
80444 KB |
contestant found the optimal answer: 12194625429236 == 12194625429236 |
| 10 |
Correct |
3 ms |
80444 KB |
contestant found the optimal answer: 12345131038664 == 12345131038664 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
80756 KB |
contestant found the optimal answer: 1818678304 == 1818678304 |
| 2 |
Correct |
0 ms |
80756 KB |
contestant found the optimal answer: 1326260195 == 1326260195 |
| 3 |
Correct |
79 ms |
80756 KB |
contestant found the optimal answer: 4973126687469639 == 4973126687469639 |
| 4 |
Correct |
3 ms |
80756 KB |
contestant found the optimal answer: 3748491676694116 == 3748491676694116 |
| 5 |
Correct |
93 ms |
80756 KB |
contestant found the optimal answer: 1085432199 == 1085432199 |
| 6 |
Correct |
73 ms |
80756 KB |
contestant found the optimal answer: 514790755404 == 514790755404 |
| 7 |
Correct |
119 ms |
80756 KB |
contestant found the optimal answer: 1256105310476641 == 1256105310476641 |
| 8 |
Correct |
56 ms |
80756 KB |
contestant found the optimal answer: 3099592898816 == 3099592898816 |
| 9 |
Correct |
63 ms |
80756 KB |
contestant found the optimal answer: 1241131419367412 == 1241131419367412 |
| 10 |
Correct |
86 ms |
80756 KB |
contestant found the optimal answer: 1243084101967798 == 1243084101967798 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
33 ms |
82796 KB |
contestant found the optimal answer: 19795776960 == 19795776960 |
| 2 |
Correct |
36 ms |
82796 KB |
contestant found the optimal answer: 19874432173 == 19874432173 |
| 3 |
Correct |
1289 ms |
82796 KB |
contestant found the optimal answer: 497313449256899208 == 497313449256899208 |
| 4 |
Correct |
33 ms |
82796 KB |
contestant found the optimal answer: 374850090734572421 == 374850090734572421 |
| 5 |
Correct |
1813 ms |
82796 KB |
contestant found the optimal answer: 36183271951 == 36183271951 |
| 6 |
Correct |
1066 ms |
82796 KB |
contestant found the optimal answer: 51629847150471 == 51629847150471 |
| 7 |
Correct |
1393 ms |
82796 KB |
contestant found the optimal answer: 124074747024496432 == 124074747024496432 |
| 8 |
Correct |
1026 ms |
82796 KB |
contestant found the optimal answer: 309959349080800 == 309959349080800 |
| 9 |
Correct |
1073 ms |
82796 KB |
contestant found the optimal answer: 124113525649823701 == 124113525649823701 |
| 10 |
Correct |
1323 ms |
82796 KB |
contestant found the optimal answer: 124309619349406845 == 124309619349406845 |
