/* Bismillahir Rahmanir Rahim */
#include <bits/stdc++.h>
using namespace std;
const int N = 100005;
const int K = 205;
long long M[N], B[N], I[N];
int idx, ptr;
void add(long long m, long long b, int i){
++idx, M[idx] = m, B[idx] = b, I[idx] = i;
while(idx >= 3 && (B[idx-2] - B[idx-1]) * (M[idx] - M[idx-2]) >= (B[idx-2] - B[idx]) * (M[idx-1] - M[idx-2])){
M[idx-1] = M[idx], B[idx-1] = B[idx], I[idx-1] = I[idx], idx--;
}
}
long long query(long long x){
}
long long A[N], sum[N], cur[N], past[N];
int nxt[K][N];
int n, k;
int marked[N];
int main(){
scanf("%d %d", &n, &k);
for(int i=1;i<=n;i++){
scanf("%lld", &A[i]);
sum[i] = sum[i-1] + A[i];
}
for(int j=1;j<=k;j++){
idx = 0, ptr = 1;
add(sum[1], -(sum[1] * sum[1]), 1);
for(int i=j;i<=n;i++){
if(ptr > idx) ptr = idx;
while(ptr + 1 <= idx && M[ptr+1] * sum[i] + B[ptr+1] > M[ptr] * sum[i] + B[ptr]) ++ptr;
cur[i] = M[ptr] * sum[i] + B[ptr];
nxt[j][i] = I[ptr];
add(sum[i], -(sum[i] * sum[i]) + past[i], i);
past[i] = cur[i];
}
}
cout << cur[n] << endl;
int cr = n, lf = k;
while(lf){
cr = nxt[lf][cr];
marked[cr] = 1;
lf -= 1;
}
for(int i=1;i<=n;i++) k -= marked[i];
for(int i=1;i<=n;i++){
if(marked[i]){
printf("%d ", i);
continue;
}
if(k){
printf("%d ", i);
k--;
}
}
return 0;
}
Compilation message
sequence.cpp: In function 'long long int query(long long int)':
sequence.cpp:21:1: warning: no return statement in function returning non-void [-Wreturn-type]
}
^
sequence.cpp: In function 'int main()':
sequence.cpp:29:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d", &n, &k);
^
sequence.cpp:31:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld", &A[i]);
^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 108 == 108 |
2 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 999 == 999 |
3 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 0 == 0 |
4 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 1542524 == 1542524 |
5 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 4500000000 == 4500000000 |
6 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 1 == 1 |
7 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 1 == 1 |
8 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 1 == 1 |
9 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 100400096 == 100400096 |
10 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 900320000 == 900320000 |
11 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 3698080248 == 3698080248 |
12 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 3200320000 == 3200320000 |
13 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 140072 == 140072 |
14 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 376041456 == 376041456 |
15 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 805 == 805 |
16 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 900189994 == 900189994 |
17 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 999919994 == 999919994 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 1093956 == 1093956 |
2 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 302460000 == 302460000 |
3 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 122453454361 == 122453454361 |
4 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 93663683509 == 93663683509 |
5 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 1005304678 == 1005304678 |
6 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 933702 == 933702 |
7 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 25082842857 == 25082842857 |
8 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 687136 == 687136 |
9 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 27295930079 == 27295930079 |
10 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 29000419931 == 29000419931 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 610590000 == 610590000 |
2 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 311760000 == 311760000 |
3 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 1989216017013 == 1989216017013 |
4 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 1499437552673 == 1499437552673 |
5 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 1019625819 == 1019625819 |
6 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 107630884 == 107630884 |
7 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 475357671774 == 475357671774 |
8 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 193556962 == 193556962 |
9 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 482389919803 == 482389919803 |
10 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 490686959791 == 490686959791 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 21503404 == 21503404 |
2 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 140412195 == 140412195 |
3 |
Correct |
3 ms |
87960 KB |
contestant found the optimal answer: 49729674225461 == 49729674225461 |
4 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 37485571387523 == 37485571387523 |
5 |
Correct |
3 ms |
87960 KB |
contestant found the optimal answer: 679388326 == 679388326 |
6 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 4699030287 == 4699030287 |
7 |
Correct |
3 ms |
87960 KB |
contestant found the optimal answer: 12418819758185 == 12418819758185 |
8 |
Correct |
3 ms |
87960 KB |
contestant found the optimal answer: 31093317350 == 31093317350 |
9 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 12194625429236 == 12194625429236 |
10 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 12345131038664 == 12345131038664 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 1818678304 == 1818678304 |
2 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 1326260195 == 1326260195 |
3 |
Correct |
26 ms |
87960 KB |
contestant found the optimal answer: 4973126687469639 == 4973126687469639 |
4 |
Correct |
0 ms |
87960 KB |
contestant found the optimal answer: 3748491676694116 == 3748491676694116 |
5 |
Correct |
26 ms |
87960 KB |
contestant found the optimal answer: 1085432199 == 1085432199 |
6 |
Correct |
36 ms |
87960 KB |
contestant found the optimal answer: 514790755404 == 514790755404 |
7 |
Correct |
36 ms |
87960 KB |
contestant found the optimal answer: 1256105310476641 == 1256105310476641 |
8 |
Correct |
29 ms |
87960 KB |
contestant found the optimal answer: 3099592898816 == 3099592898816 |
9 |
Correct |
26 ms |
87960 KB |
contestant found the optimal answer: 1241131419367412 == 1241131419367412 |
10 |
Correct |
36 ms |
87960 KB |
contestant found the optimal answer: 1243084101967798 == 1243084101967798 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
13 ms |
87960 KB |
contestant found the optimal answer: 19795776960 == 19795776960 |
2 |
Correct |
29 ms |
87960 KB |
contestant found the optimal answer: 19874432173 == 19874432173 |
3 |
Correct |
246 ms |
87960 KB |
contestant found the optimal answer: 497313449256899208 == 497313449256899208 |
4 |
Correct |
19 ms |
87960 KB |
contestant found the optimal answer: 374850090734572421 == 374850090734572421 |
5 |
Correct |
469 ms |
87960 KB |
contestant found the optimal answer: 36183271951 == 36183271951 |
6 |
Correct |
273 ms |
87960 KB |
contestant found the optimal answer: 51629847150471 == 51629847150471 |
7 |
Correct |
313 ms |
87960 KB |
contestant found the optimal answer: 124074747024496432 == 124074747024496432 |
8 |
Correct |
223 ms |
87960 KB |
contestant found the optimal answer: 309959349080800 == 309959349080800 |
9 |
Correct |
243 ms |
87960 KB |
contestant found the optimal answer: 124113525649823701 == 124113525649823701 |
10 |
Correct |
259 ms |
87960 KB |
contestant found the optimal answer: 124309619349406845 == 124309619349406845 |