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Submission #134106

# Submission time Handle Problem Language Result Execution time Memory
134106 2019-07-22T04:58:08 Z mirbek01 K blocks (IZhO14_blocks) C++11
0 / 100
 95 ms 40952 KB 
# include <bits/stdc++.h>
 
using namespace std;
 
const int N = 1e5 + 2;
 
int n, a[N], k, dp[102][N];
int stk[N], pt, pf[N];
 
int main(){
	
	cin >> n >> k;
	
	for(int i = 1; i <= n; i ++)
		cin >> a[i];
	
	memset(dp, 0x3f3f3f3f, sizeof(dp));
	
	dp[1][1] = a[1];
	
	for(int i = 2; i <= n; i ++){
		dp[1][i] = max(dp[1][i - 1], a[i]);
	}
	
	for(int i = 2; i <= k; i ++){
		pt = 0;
		for(int j = 0; j <= n; j ++)
			pf[j] = 1e9;
		for(int j = i; j <= n; j ++){
			while(pt >= 1 &&  a[ stk[pt] ] <= a[j])
				pt --;
			stk[++ pt] = j;
			pf[pt] = dp[i - 1][ max(stk[pt - 1] + 1, i - 1) ] + a[j];
			if(pt > 1)
				pf[pt] = min(pf[pt], pf[pt - 1]);
			dp[i][j] = pf[pt];
		}
	}
	
	cout << dp[k][n] << endl;
}

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 40312 KB Output is correct
2 Correct 35 ms 40184 KB Output is correct
3 Correct 35 ms 40184 KB Output is correct
4 Correct 35 ms 40312 KB Output is correct
5 Correct 35 ms 40184 KB Output is correct
6 Correct 36 ms 40440 KB Output is correct
7 Correct 35 ms 40228 KB Output is correct
8 Correct 36 ms 40312 KB Output is correct
9 Correct 35 ms 40312 KB Output is correct
10 Incorrect 35 ms 40312 KB Output isn't correct
11 Halted 0 ms 0 KB -

Subtask #2
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 40268 KB Output is correct
2 Correct 35 ms 40188 KB Output is correct
3 Correct 35 ms 40404 KB Output is correct
4 Correct 35 ms 40284 KB Output is correct
5 Correct 39 ms 40276 KB Output is correct
6 Correct 41 ms 40312 KB Output is correct
7 Correct 42 ms 40312 KB Output is correct
8 Correct 35 ms 40236 KB Output is correct
9 Correct 36 ms 40312 KB Output is correct
10 Incorrect 35 ms 40312 KB Output isn't correct
11 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 35 ms 40388 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 40312 KB Output is correct
2 Correct 60 ms 40696 KB Output is correct
3 Correct 63 ms 40952 KB Output is correct
4 Incorrect 95 ms 40824 KB Output isn't correct
5 Halted 0 ms 0 KB -