oj.uz

Submission #639655

# Submission time Handle Problem Language Result Execution time Memory
639655 2022-09-10T19:25:51 Z luanaamorim K blocks (IZhO14_blocks) C++14
0 / 100
 1 ms 340 KB 
#include <iostream>
#include <queue>
#include <string>
#include <algorithm>
#include <vector>
#include <cmath>
#include <iomanip>
#include <map>
#include <cstring>
#include <set>
#include <stack>
#include <bitset>
#define MAX (int) 2e3
#define ll long long
#define INF (ll) 1e9
#define dbug(x) cout << #x << ' ' << x << endl

using namespace std;

ll n, m, arr[MAX], memo[MAX][MAX], maior[MAX][MAX], l, r, resp;
pair<ll, ll> dp[MAX][101];

void dct(int i, int j, int l, int r, int k)
{
	if (i > j) return;
	int mid = (i+j)>>1;
	dp[mid][k] = {INF, r+1};
	for (int idx = mid; idx <= r; idx++)
		dp[mid][k] = min(dp[mid][k], {dp[idx+1][k-1].first + maior[mid][idx], idx});

	int optmid = dp[mid][k].second;
	dct(i, mid-1, optmid, r, k);
	dct(mid+1, j, l, optmid, k); 
}

int main()
{
	cin >> n >> m;
	for (int i = 1; i <= n; i++)
		cin >> arr[i];

	for (int i = 1; i <= n; i++)
		for (int j = i; j <= n; j++)
			maior[i][j] = max(arr[j], maior[i][j-1]);
 
 	for (int i = 0; i <= n+1; i++)
		for (int j = 0; j <= m; j++)
			dp[i][j] = {INF, -1};
 
 	dp[n+1][0] = {0, 0};
	for (int i = 1; i <= m; i++)
		dct(1, n, 1, n, i);

	cout << dp[1][m].first  << endl;


}

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Incorrect 0 ms 340 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #2
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Incorrect 0 ms 340 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Incorrect 0 ms 340 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #4
0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Incorrect 0 ms 340 KB Output isn't correct
10 Halted 0 ms 0 KB -