#include <bits/stdc++.h>
using namespace std;
#define scd(t) scanf("%d", &t)
#define sclld(t) scanf("%lld", &t)
#define forr(i, j, k) for (int i = j; i < k; i++)
#define frange(i, j) forr(i, 0, j)
#define all(cont) cont.begin(), cont.end()
#define mp make_pair
#define pb push_back
#define f first
#define s second
typedef long long int lli;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<bool> vb;
typedef vector<lli> vll;
typedef vector<string> vs;
typedef vector<pii> vii;
typedef vector<vi> vvi;
typedef map<int, int> mpii;
typedef set<int> seti;
typedef multiset<int> mseti;
typedef long double ld;
void usaco()
{
freopen("/media/hariaakash646/785EF1075EF0BF46/CompetitiveProgramming/input.in", "r", stdin);
// freopen("problem.out", "w", stdout);
}
int n, k;
vector<vll> dp;
vvi opt;
vll vec, pref;
void dnc(int i, int l, int r, int optl, int optr) {
if(l > r) return;
int mid = (l+r)/2;
forr(k, optl, min(optr+1, mid)) {
if(dp[i-1][k] + (pref[mid] - pref[k]) * (pref[n] - pref[mid]) > dp[i][mid]) {
dp[i][mid] = dp[i-1][k] + (pref[mid] - pref[k]) * (pref[n] - pref[mid]);
opt[i][mid] = k;
}
}
dnc(i, l, mid-1, optl, optr);
dnc(i, mid+1, r, optl, optr);
}
int main() {
// usaco();
scd(n);
scd(k);
dp = vector<vll>(k+1, vll(n+1, -1e17));
opt = vvi(k+1, vi(n+1));
vec = pref = vll(n+1);
forr(i, 1, n+1) {
sclld(vec[i]);
pref[i] = pref[i-1]+vec[i];
}
dp[0][0] = 0;
forr(i, 1, k+1)
dnc(i, 1, n, 0, n);
lli ma = -1e9;
int id = -1;
forr(i, 1, n+1) {
if(dp[k][i] > ma) {
ma = dp[k][i];
id = i;
}
}
vi out;
for(int i=k; i>=1; i--) {
out.pb(id);
id = opt[i][id];
}
printf("%lld\n", ma);
reverse(all(out));
for(auto e : out) printf("%d ", e);
}
Compilation message
sequence.cpp: In function 'void usaco()':
sequence.cpp:30:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
30 | freopen("/media/hariaakash646/785EF1075EF0BF46/CompetitiveProgramming/input.in", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sequence.cpp: In function 'int main()':
sequence.cpp:5:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
5 | #define scd(t) scanf("%d", &t)
| ~~~~~^~~~~~~~~~
sequence.cpp:56:5: note: in expansion of macro 'scd'
56 | scd(n);
| ^~~
sequence.cpp:5:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
5 | #define scd(t) scanf("%d", &t)
| ~~~~~^~~~~~~~~~
sequence.cpp:57:5: note: in expansion of macro 'scd'
57 | scd(k);
| ^~~
sequence.cpp:6:23: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
6 | #define sclld(t) scanf("%lld", &t)
| ~~~~~^~~~~~~~~~~~
sequence.cpp:62:9: note: in expansion of macro 'sclld'
62 | sclld(vec[i]);
| ^~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
contestant found the optimal answer: 108 == 108 |
| 2 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 999 == 999 |
| 3 |
Correct |
1 ms |
348 KB |
contestant found the optimal answer: 0 == 0 |
| 4 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 1542524 == 1542524 |
| 5 |
Correct |
1 ms |
344 KB |
contestant found the optimal answer: 4500000000 == 4500000000 |
| 6 |
Correct |
1 ms |
348 KB |
contestant found the optimal answer: 1 == 1 |
| 7 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 1 == 1 |
| 8 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 1 == 1 |
| 9 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 100400096 == 100400096 |
| 10 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 900320000 == 900320000 |
| 11 |
Correct |
1 ms |
348 KB |
contestant found the optimal answer: 3698080248 == 3698080248 |
| 12 |
Correct |
0 ms |
344 KB |
contestant found the optimal answer: 3200320000 == 3200320000 |
| 13 |
Correct |
0 ms |
344 KB |
contestant found the optimal answer: 140072 == 140072 |
| 14 |
Correct |
0 ms |
344 KB |
contestant found the optimal answer: 376041456 == 376041456 |
| 15 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 805 == 805 |
| 16 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 900189994 == 900189994 |
| 17 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 999919994 == 999919994 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 1093956 == 1093956 |
| 2 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 302460000 == 302460000 |
| 3 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 122453454361 == 122453454361 |
| 4 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 93663683509 == 93663683509 |
| 5 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 1005304678 == 1005304678 |
| 6 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 933702 == 933702 |
| 7 |
Correct |
1 ms |
348 KB |
contestant found the optimal answer: 25082842857 == 25082842857 |
| 8 |
Correct |
1 ms |
348 KB |
contestant found the optimal answer: 687136 == 687136 |
| 9 |
Correct |
0 ms |
348 KB |
contestant found the optimal answer: 27295930079 == 27295930079 |
| 10 |
Correct |
0 ms |
344 KB |
contestant found the optimal answer: 29000419931 == 29000419931 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
348 KB |
contestant found the optimal answer: 610590000 == 610590000 |
| 2 |
Correct |
1 ms |
504 KB |
contestant found the optimal answer: 311760000 == 311760000 |
| 3 |
Correct |
6 ms |
860 KB |
contestant found the optimal answer: 1989216017013 == 1989216017013 |
| 4 |
Correct |
1 ms |
348 KB |
contestant found the optimal answer: 1499437552673 == 1499437552673 |
| 5 |
Correct |
5 ms |
604 KB |
contestant found the optimal answer: 1019625819 == 1019625819 |
| 6 |
Correct |
6 ms |
860 KB |
contestant found the optimal answer: 107630884 == 107630884 |
| 7 |
Correct |
6 ms |
856 KB |
contestant found the optimal answer: 475357671774 == 475357671774 |
| 8 |
Correct |
2 ms |
348 KB |
contestant found the optimal answer: 193556962 == 193556962 |
| 9 |
Correct |
2 ms |
348 KB |
contestant found the optimal answer: 482389919803 == 482389919803 |
| 10 |
Correct |
2 ms |
348 KB |
contestant found the optimal answer: 490686959791 == 490686959791 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
348 KB |
contestant found the optimal answer: 21503404 == 21503404 |
| 2 |
Correct |
2 ms |
348 KB |
contestant found the optimal answer: 140412195 == 140412195 |
| 3 |
Correct |
140 ms |
2652 KB |
contestant found the optimal answer: 49729674225461 == 49729674225461 |
| 4 |
Correct |
2 ms |
344 KB |
contestant found the optimal answer: 37485571387523 == 37485571387523 |
| 5 |
Correct |
263 ms |
2808 KB |
contestant found the optimal answer: 679388326 == 679388326 |
| 6 |
Correct |
223 ms |
2444 KB |
contestant found the optimal answer: 4699030287 == 4699030287 |
| 7 |
Correct |
129 ms |
2796 KB |
contestant found the optimal answer: 12418819758185 == 12418819758185 |
| 8 |
Correct |
131 ms |
2804 KB |
contestant found the optimal answer: 31093317350 == 31093317350 |
| 9 |
Correct |
40 ms |
924 KB |
contestant found the optimal answer: 12194625429236 == 12194625429236 |
| 10 |
Correct |
88 ms |
1384 KB |
contestant found the optimal answer: 12345131038664 == 12345131038664 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
293 ms |
1116 KB |
contestant found the optimal answer: 1818678304 == 1818678304 |
| 2 |
Correct |
141 ms |
1112 KB |
contestant found the optimal answer: 1326260195 == 1326260195 |
| 3 |
Execution timed out |
2021 ms |
24152 KB |
Time limit exceeded |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
2003 ms |
6984 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
