| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1083675 |
2024-09-03T19:52:39 Z |
xnqs |
K blocks (IZhO14_blocks) |
C++17 |
|
7 ms |
41644 KB |
#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
#include <utility>
#include <algorithm>
#include <cstring>
int x, k;
int arr[100005];
int dp[105][100005];
void divide(int l, int r, int optl, int optr, int idx) {
//std::cerr << " " << l << " " << r << " " << optl << " " << optr << " " << idx << "\n";
if (l>r) {
return;
}
int m = (l+r)>>1;
int max = 0;
int opt = -1;
for (int i = std::min(m, optr); i >= optl; i--) {
max = std::max(max, arr[i]);
if (dp[idx][m] > dp[idx-1][i-1]+max) {
dp[idx][m] = dp[idx-1][i-1]+max;
opt = i;
}
}
divide(l,m-1,optl,opt,idx);
divide(m+1,r,opt,optr,idx);
}
int main() {
std::ios_base::sync_with_stdio(false);
std::cin.tie(NULL);
std::cout.tie(NULL);
std::cin >> x >> k;
for (int i = 1; i <= x; i++) {
std::cin >> arr[i];
}
memset(dp,0x3f,sizeof(dp));
dp[1][0] = 0;
for (int i = 1; i <= x; i++) {
dp[1][i] = std::max(dp[1][i-1], arr[i]);
}
dp[1][0] = 0x3f3f3f3f;
for (int i = 2; i <= k; i++) {
divide(1,x,1,x,i);
}
std::cout << dp[k][x] << "\n";
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
41564 KB |
Output is correct |
| 2 |
Correct |
6 ms |
41604 KB |
Output is correct |
| 3 |
Correct |
6 ms |
41608 KB |
Output is correct |
| 4 |
Correct |
7 ms |
41564 KB |
Output is correct |
| 5 |
Correct |
6 ms |
41640 KB |
Output is correct |
| 6 |
Correct |
7 ms |
41560 KB |
Output is correct |
| 7 |
Correct |
7 ms |
41564 KB |
Output is correct |
| 8 |
Correct |
6 ms |
41564 KB |
Output is correct |
| 9 |
Correct |
7 ms |
41560 KB |
Output is correct |
| 10 |
Correct |
7 ms |
41564 KB |
Output is correct |
| 11 |
Incorrect |
7 ms |
41644 KB |
Output isn't correct |
| 12 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
41564 KB |
Output is correct |
| 2 |
Correct |
7 ms |
41624 KB |
Output is correct |
| 3 |
Correct |
7 ms |
41564 KB |
Output is correct |
| 4 |
Correct |
7 ms |
41564 KB |
Output is correct |
| 5 |
Correct |
6 ms |
41564 KB |
Output is correct |
| 6 |
Correct |
7 ms |
41516 KB |
Output is correct |
| 7 |
Correct |
6 ms |
41564 KB |
Output is correct |
| 8 |
Correct |
7 ms |
41604 KB |
Output is correct |
| 9 |
Correct |
7 ms |
41560 KB |
Output is correct |
| 10 |
Correct |
6 ms |
41564 KB |
Output is correct |
| 11 |
Incorrect |
7 ms |
41564 KB |
Output isn't correct |
| 12 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
41564 KB |
Output is correct |
| 2 |
Correct |
6 ms |
41604 KB |
Output is correct |
| 3 |
Correct |
6 ms |
41608 KB |
Output is correct |
| 4 |
Correct |
7 ms |
41564 KB |
Output is correct |
| 5 |
Correct |
6 ms |
41640 KB |
Output is correct |
| 6 |
Correct |
7 ms |
41560 KB |
Output is correct |
| 7 |
Correct |
7 ms |
41564 KB |
Output is correct |
| 8 |
Correct |
6 ms |
41564 KB |
Output is correct |
| 9 |
Correct |
7 ms |
41560 KB |
Output is correct |
| 10 |
Correct |
7 ms |
41564 KB |
Output is correct |
| 11 |
Incorrect |
7 ms |
41644 KB |
Output isn't correct |
| 12 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
41564 KB |
Output is correct |
| 2 |
Correct |
6 ms |
41604 KB |
Output is correct |
| 3 |
Correct |
6 ms |
41608 KB |
Output is correct |
| 4 |
Correct |
7 ms |
41564 KB |
Output is correct |
| 5 |
Correct |
6 ms |
41640 KB |
Output is correct |
| 6 |
Correct |
7 ms |
41560 KB |
Output is correct |
| 7 |
Correct |
7 ms |
41564 KB |
Output is correct |
| 8 |
Correct |
6 ms |
41564 KB |
Output is correct |
| 9 |
Correct |
7 ms |
41560 KB |
Output is correct |
| 10 |
Correct |
7 ms |
41564 KB |
Output is correct |
| 11 |
Incorrect |
7 ms |
41644 KB |
Output isn't correct |
| 12 |
Halted |
0 ms |
0 KB |
- |
