#include <bits/stdc++.h>
typedef long long ll;
#define MOD 1000000007
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define pp push
using namespace std;
ll sum[100001];
ll f[2][100001];
int p[201][100001];
ll cost(ll x,ll y){
if(x>y) return 0;
ll z=sum[y]-sum[x-1];
return z*z;
}
void fill(int id,ll l1,ll l2,int p1,int p2){
if(l1>l2){
return;
}
ll lm=l1+l2>>1;
p[id-1][lm]=-1;
f[1][lm]=-1;
for(ll i=p1;i<=p2;i++){
if(lm<=i){
break;
}
ll new_cost=f[0][i]+cost(i+1,lm);
if(f[1][lm]==-1){
f[1][lm]=new_cost;
p[id-1][lm]=i;
}
if(f[1][lm]>new_cost){
f[1][lm]=new_cost;
p[id-1][lm]=i;
}
}
fill(id,l1,lm-1,p1,p[id-1][lm]);
fill(id,lm+1,l2,p[id-1][lm],p2);
}
vector<ll>ans;
int main(){
//int color[200001];
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
ll n,k;
cin >> n >> k;
k++;
sum[0]=0;
for(ll i=1;i<=n;i++){
ll a;
cin >> a;
sum[i]=sum[i-1]+a;
}
for(ll i=1;i<=n;i++){
f[0][i]=sum[i]*sum[i];
p[0][i]=0;
}
for(ll i=2;i<=k;i++){
fill(i,i,n,i-1,n);
for(ll j=1;j<=n;j++){
f[0][j]=f[1][j];
}
}
int trans=n;
ll hariu=(sum[n]*sum[n]-f[0][n])/2;
cout << hariu << "\n";
for(ll i=k;i>=2;i--){
ans.pb(p[i-1][trans]);
trans=p[i-1][trans];
}
for(ll i=ans.size()-1;i>=0;i--){
cout << ans[i] << ' ';
}
}
Compilation message
sequence.cpp: In function 'void fill(int, ll, ll, int, int)':
sequence.cpp:22:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
22 | ll lm=l1+l2>>1;
| ~~^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
contestant found the optimal answer: 108 == 108 |
2 |
Correct |
1 ms |
364 KB |
contestant found the optimal answer: 999 == 999 |
3 |
Correct |
1 ms |
364 KB |
contestant found the optimal answer: 0 == 0 |
4 |
Correct |
0 ms |
364 KB |
contestant found the optimal answer: 1542524 == 1542524 |
5 |
Correct |
1 ms |
364 KB |
contestant found the optimal answer: 4500000000 == 4500000000 |
6 |
Correct |
1 ms |
364 KB |
contestant found the optimal answer: 1 == 1 |
7 |
Correct |
0 ms |
364 KB |
contestant found the optimal answer: 1 == 1 |
8 |
Correct |
1 ms |
364 KB |
contestant found the optimal answer: 1 == 1 |
9 |
Correct |
1 ms |
364 KB |
contestant found the optimal answer: 100400096 == 100400096 |
10 |
Correct |
1 ms |
364 KB |
contestant found the optimal answer: 900320000 == 900320000 |
11 |
Correct |
0 ms |
364 KB |
contestant found the optimal answer: 3698080248 == 3698080248 |
12 |
Correct |
0 ms |
364 KB |
contestant found the optimal answer: 3200320000 == 3200320000 |
13 |
Correct |
0 ms |
364 KB |
contestant found the optimal answer: 140072 == 140072 |
14 |
Correct |
1 ms |
364 KB |
contestant found the optimal answer: 376041456 == 376041456 |
15 |
Correct |
1 ms |
364 KB |
contestant found the optimal answer: 805 == 805 |
16 |
Correct |
1 ms |
364 KB |
contestant found the optimal answer: 900189994 == 900189994 |
17 |
Correct |
1 ms |
364 KB |
contestant found the optimal answer: 999919994 == 999919994 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
364 KB |
contestant found the optimal answer: 1093956 == 1093956 |
2 |
Correct |
0 ms |
364 KB |
contestant found the optimal answer: 302460000 == 302460000 |
3 |
Correct |
1 ms |
620 KB |
contestant found the optimal answer: 122453454361 == 122453454361 |
4 |
Correct |
1 ms |
364 KB |
contestant found the optimal answer: 93663683509 == 93663683509 |
5 |
Correct |
1 ms |
364 KB |
contestant found the optimal answer: 1005304678 == 1005304678 |
6 |
Correct |
1 ms |
364 KB |
contestant found the optimal answer: 933702 == 933702 |
7 |
Correct |
1 ms |
492 KB |
contestant found the optimal answer: 25082842857 == 25082842857 |
8 |
Correct |
1 ms |
364 KB |
contestant found the optimal answer: 687136 == 687136 |
9 |
Correct |
1 ms |
364 KB |
contestant found the optimal answer: 27295930079 == 27295930079 |
10 |
Correct |
1 ms |
364 KB |
contestant found the optimal answer: 29000419931 == 29000419931 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
contestant found the optimal answer: 610590000 == 610590000 |
2 |
Correct |
1 ms |
364 KB |
contestant found the optimal answer: 311760000 == 311760000 |
3 |
Correct |
2 ms |
1388 KB |
contestant found the optimal answer: 1989216017013 == 1989216017013 |
4 |
Correct |
0 ms |
364 KB |
contestant found the optimal answer: 1499437552673 == 1499437552673 |
5 |
Correct |
2 ms |
1132 KB |
contestant found the optimal answer: 1019625819 == 1019625819 |
6 |
Correct |
2 ms |
1260 KB |
contestant found the optimal answer: 107630884 == 107630884 |
7 |
Correct |
2 ms |
1388 KB |
contestant found the optimal answer: 475357671774 == 475357671774 |
8 |
Correct |
1 ms |
620 KB |
contestant found the optimal answer: 193556962 == 193556962 |
9 |
Correct |
1 ms |
492 KB |
contestant found the optimal answer: 482389919803 == 482389919803 |
10 |
Correct |
1 ms |
620 KB |
contestant found the optimal answer: 490686959791 == 490686959791 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
contestant found the optimal answer: 21503404 == 21503404 |
2 |
Correct |
1 ms |
364 KB |
contestant found the optimal answer: 140412195 == 140412195 |
3 |
Correct |
7 ms |
2028 KB |
contestant found the optimal answer: 49729674225461 == 49729674225461 |
4 |
Correct |
1 ms |
364 KB |
contestant found the optimal answer: 37485571387523 == 37485571387523 |
5 |
Correct |
14 ms |
2028 KB |
contestant found the optimal answer: 679388326 == 679388326 |
6 |
Correct |
9 ms |
1772 KB |
contestant found the optimal answer: 4699030287 == 4699030287 |
7 |
Correct |
9 ms |
2028 KB |
contestant found the optimal answer: 12418819758185 == 12418819758185 |
8 |
Correct |
6 ms |
2028 KB |
contestant found the optimal answer: 31093317350 == 31093317350 |
9 |
Correct |
3 ms |
748 KB |
contestant found the optimal answer: 12194625429236 == 12194625429236 |
10 |
Correct |
4 ms |
1004 KB |
contestant found the optimal answer: 12345131038664 == 12345131038664 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
748 KB |
contestant found the optimal answer: 1818678304 == 1818678304 |
2 |
Correct |
2 ms |
748 KB |
contestant found the optimal answer: 1326260195 == 1326260195 |
3 |
Correct |
77 ms |
9324 KB |
contestant found the optimal answer: 4973126687469639 == 4973126687469639 |
4 |
Correct |
3 ms |
748 KB |
contestant found the optimal answer: 3748491676694116 == 3748491676694116 |
5 |
Correct |
83 ms |
5868 KB |
contestant found the optimal answer: 1085432199 == 1085432199 |
6 |
Correct |
80 ms |
6764 KB |
contestant found the optimal answer: 514790755404 == 514790755404 |
7 |
Correct |
73 ms |
7148 KB |
contestant found the optimal answer: 1256105310476641 == 1256105310476641 |
8 |
Correct |
52 ms |
5996 KB |
contestant found the optimal answer: 3099592898816 == 3099592898816 |
9 |
Correct |
75 ms |
6764 KB |
contestant found the optimal answer: 1241131419367412 == 1241131419367412 |
10 |
Correct |
95 ms |
8428 KB |
contestant found the optimal answer: 1243084101967798 == 1243084101967798 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
31 ms |
4352 KB |
contestant found the optimal answer: 19795776960 == 19795776960 |
2 |
Correct |
28 ms |
4204 KB |
contestant found the optimal answer: 19874432173 == 19874432173 |
3 |
Correct |
847 ms |
81588 KB |
contestant found the optimal answer: 497313449256899208 == 497313449256899208 |
4 |
Correct |
26 ms |
4332 KB |
contestant found the optimal answer: 374850090734572421 == 374850090734572421 |
5 |
Correct |
1598 ms |
81564 KB |
contestant found the optimal answer: 36183271951 == 36183271951 |
6 |
Correct |
955 ms |
58220 KB |
contestant found the optimal answer: 51629847150471 == 51629847150471 |
7 |
Correct |
835 ms |
62444 KB |
contestant found the optimal answer: 124074747024496432 == 124074747024496432 |
8 |
Correct |
629 ms |
51360 KB |
contestant found the optimal answer: 309959349080800 == 309959349080800 |
9 |
Correct |
864 ms |
58220 KB |
contestant found the optimal answer: 124113525649823701 == 124113525649823701 |
10 |
Correct |
1077 ms |
74068 KB |
contestant found the optimal answer: 124309619349406845 == 124309619349406845 |