#include <iostream>
#include <iomanip>
#include <string>
#include <vector>
#include <algorithm>
#include <sstream>
#include <queue>
#include <deque>
#include <bitset>
#include <iterator>
#include <list>
#include <stack>
#include <map>
#include <set>
#include <functional>
#include <numeric>
#include <utility>
#include <limits>
#include <cassert>
#include <time.h>
#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <unordered_map>
#include <chrono>
#define int long long
#define ii pair<int, int>
#define fi first
#define se second
#define endl '\n'
#define mp make_pair
#define pb push_back
using namespace std;
int n, k, a[100005], pref[100005], l = 1, r, cur, now;
int f[100005][2];
int32_t trace[100005][205];
vector <int> part;
void dp(int u, int v, int x, int y) {
if (u > v) return;
int mid = (u + v) >> 1;
for (int i = x; i <= min(y, mid - 1); i++)
{
cur = (pref[i] - pref[mid]) * (pref[i] - pref[mid]);
//cout << i << ' ' << cur << endl;
if(f[i][(now + 1) % 2] + cur <= f[mid][now % 2])
f[mid][now % 2] = f[i][(now + 1) % 2] + cur, trace[mid][now] = i;
}
dp(u, mid - 1, x, trace[mid][now]), dp(mid + 1, v, trace[mid][now], y);
}
signed main() {
cin >> n >> k;
k++;
for (int i = 1; i <= n; i++)
for (int j = 0; j < 2; j++)
f[i][j] = 1e18;
for(int i = 1; i <= n; i++)
{
cin >> a[i];
pref[i] = pref[i - 1] + a[i];
}
for (int i = 1; i <= n; i++) f[i][1] = pref[i] * pref[i];
for (int i = 2; i <= k; i++) now = i, dp(1, n, 0, n - 1);
cur = trace[n][k];
for (int i = k - 1; i > 0; i--)
{
part.pb(cur);
cur = trace[cur][i];
}
cout << (pref[n] * pref[n] - f[n][k % 2]) / 2 << endl;
reverse(part.begin(), part.end());
for (int i = 0; i < part.size(); i++)
cout << part[i] << ' ';
}
Compilation message
sequence.cpp: In function 'int main()':
sequence.cpp:73:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
73 | for (int i = 0; i < part.size(); i++)
| ~~^~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 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 |
204 KB |
contestant found the optimal answer: 0 == 0 |
4 |
Correct |
1 ms |
204 KB |
contestant found the optimal answer: 1542524 == 1542524 |
5 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 4500000000 == 4500000000 |
6 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 1 == 1 |
7 |
Correct |
1 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 |
204 KB |
contestant found the optimal answer: 3698080248 == 3698080248 |
12 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 3200320000 == 3200320000 |
13 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 140072 == 140072 |
14 |
Correct |
1 ms |
204 KB |
contestant found the optimal answer: 376041456 == 376041456 |
15 |
Correct |
1 ms |
204 KB |
contestant found the optimal answer: 805 == 805 |
16 |
Correct |
0 ms |
204 KB |
contestant found the optimal answer: 900189994 == 900189994 |
17 |
Correct |
1 ms |
204 KB |
contestant found the optimal answer: 999919994 == 999919994 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 1093956 == 1093956 |
2 |
Correct |
1 ms |
332 KB |
contestant found the optimal answer: 302460000 == 302460000 |
3 |
Correct |
1 ms |
332 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 |
332 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 |
332 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 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
460 KB |
contestant found the optimal answer: 610590000 == 610590000 |
2 |
Correct |
1 ms |
460 KB |
contestant found the optimal answer: 311760000 == 311760000 |
3 |
Correct |
2 ms |
460 KB |
contestant found the optimal answer: 1989216017013 == 1989216017013 |
4 |
Correct |
1 ms |
460 KB |
contestant found the optimal answer: 1499437552673 == 1499437552673 |
5 |
Correct |
1 ms |
460 KB |
contestant found the optimal answer: 1019625819 == 1019625819 |
6 |
Correct |
2 ms |
460 KB |
contestant found the optimal answer: 107630884 == 107630884 |
7 |
Correct |
2 ms |
460 KB |
contestant found the optimal answer: 475357671774 == 475357671774 |
8 |
Correct |
1 ms |
460 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 |
460 KB |
contestant found the optimal answer: 490686959791 == 490686959791 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1100 KB |
contestant found the optimal answer: 21503404 == 21503404 |
2 |
Correct |
1 ms |
1120 KB |
contestant found the optimal answer: 140412195 == 140412195 |
3 |
Correct |
8 ms |
1156 KB |
contestant found the optimal answer: 49729674225461 == 49729674225461 |
4 |
Correct |
1 ms |
1100 KB |
contestant found the optimal answer: 37485571387523 == 37485571387523 |
5 |
Correct |
9 ms |
1100 KB |
contestant found the optimal answer: 679388326 == 679388326 |
6 |
Correct |
8 ms |
1100 KB |
contestant found the optimal answer: 4699030287 == 4699030287 |
7 |
Correct |
9 ms |
1152 KB |
contestant found the optimal answer: 12418819758185 == 12418819758185 |
8 |
Correct |
7 ms |
1164 KB |
contestant found the optimal answer: 31093317350 == 31093317350 |
9 |
Correct |
3 ms |
1100 KB |
contestant found the optimal answer: 12194625429236 == 12194625429236 |
10 |
Correct |
4 ms |
1100 KB |
contestant found the optimal answer: 12345131038664 == 12345131038664 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
8652 KB |
contestant found the optimal answer: 1818678304 == 1818678304 |
2 |
Correct |
7 ms |
8652 KB |
contestant found the optimal answer: 1326260195 == 1326260195 |
3 |
Correct |
92 ms |
8652 KB |
contestant found the optimal answer: 4973126687469639 == 4973126687469639 |
4 |
Correct |
8 ms |
8652 KB |
contestant found the optimal answer: 3748491676694116 == 3748491676694116 |
5 |
Correct |
72 ms |
8652 KB |
contestant found the optimal answer: 1085432199 == 1085432199 |
6 |
Correct |
73 ms |
8652 KB |
contestant found the optimal answer: 514790755404 == 514790755404 |
7 |
Correct |
91 ms |
8656 KB |
contestant found the optimal answer: 1256105310476641 == 1256105310476641 |
8 |
Correct |
63 ms |
8652 KB |
contestant found the optimal answer: 3099592898816 == 3099592898816 |
9 |
Correct |
71 ms |
8652 KB |
contestant found the optimal answer: 1241131419367412 == 1241131419367412 |
10 |
Correct |
90 ms |
8644 KB |
contestant found the optimal answer: 1243084101967798 == 1243084101967798 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
78 ms |
83568 KB |
contestant found the optimal answer: 19795776960 == 19795776960 |
2 |
Correct |
79 ms |
83780 KB |
contestant found the optimal answer: 19874432173 == 19874432173 |
3 |
Correct |
1770 ms |
83788 KB |
contestant found the optimal answer: 497313449256899208 == 497313449256899208 |
4 |
Correct |
89 ms |
83788 KB |
contestant found the optimal answer: 374850090734572421 == 374850090734572421 |
5 |
Correct |
1914 ms |
83784 KB |
contestant found the optimal answer: 36183271951 == 36183271951 |
6 |
Correct |
1302 ms |
83780 KB |
contestant found the optimal answer: 51629847150471 == 51629847150471 |
7 |
Correct |
1446 ms |
83864 KB |
contestant found the optimal answer: 124074747024496432 == 124074747024496432 |
8 |
Correct |
1130 ms |
83784 KB |
contestant found the optimal answer: 309959349080800 == 309959349080800 |
9 |
Correct |
1279 ms |
83792 KB |
contestant found the optimal answer: 124113525649823701 == 124113525649823701 |
10 |
Correct |
1605 ms |
83788 KB |
contestant found the optimal answer: 124309619349406845 == 124309619349406845 |