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Submission #1066288

# Submission time Handle Problem Language Result Execution time Memory
1066288 2024-08-19T17:23:22 Z beaconmc Split the sequence (APIO14_sequence) C++14
28 / 100
 980 ms 16476 KB 
#include <vector>
#include <bits/stdc++.h>
 
typedef long long ll;
#define FOR(i,x,y) for(ll i=x; i<y; i++)
#define FORNEG(i,x,y) for(ll i=x; i>y; i--)
 
using namespace std;

ll dp[1001][201];
vector<ll> prevs[1001][201];


int main(){
	deque<vector<ll>> sus;

	ll n,k;
	cin >> n >> k;
	vector<ll> arr(n);
	vector<ll> pref(n);
	FOR(i,0,n) cin >> arr[i];
	pref[0] = arr[0];
	FOR(i,1,n) pref[i] = pref[i-1]+arr[i];

	FOR(i,0,1001)FOR(j,0,201) dp[i][j] = 0, prevs[i][j].clear();


	FOR(i,1,n+1){
		FOR(j,1,k+1){
			FOR(m,0, i){
				ll temp = dp[m][j-1] + (pref[n-1] - pref[i-1]) * (pref[i-1]-pref[m]+arr[m]);
				if (dp[i][j] < temp){
					dp[i][j] = temp;
					prevs[i][j] = {m, j-1};
				}
			}
			if (dp[i-1][j] > dp[i][j]){
				dp[i][j] = dp[i-1][j];
				prevs[i][j] = {i-1, j};
			}
		}
	}

	cout << dp[n][k] << endl;
	while (k != 0 || prevs[n][k].size()!=0){
		vector<ll> sus = prevs[n][k];
		if (k != sus[1]) cout << n << " ";
		n = sus[0];
		k = sus[1];
		
	}

}

Subtask #1
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6492 KB contestant found the optimal answer: 108 == 108
2 Correct 3 ms 6488 KB contestant found the optimal answer: 999 == 999
3 Runtime error 9 ms 13148 KB Execution killed with signal 11
4 Halted 0 ms 0 KB -

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6492 KB contestant found the optimal answer: 1093956 == 1093956
2 Correct 2 ms 6492 KB contestant found the optimal answer: 302460000 == 302460000
3 Correct 4 ms 6748 KB contestant found the optimal answer: 122453454361 == 122453454361
4 Correct 2 ms 6744 KB contestant found the optimal answer: 93663683509 == 93663683509
5 Correct 2 ms 6748 KB contestant found the optimal answer: 1005304678 == 1005304678
6 Correct 3 ms 6744 KB contestant found the optimal answer: 933702 == 933702
7 Correct 2 ms 6748 KB contestant found the optimal answer: 25082842857 == 25082842857
8 Correct 3 ms 6748 KB contestant found the optimal answer: 687136 == 687136
9 Correct 3 ms 6748 KB contestant found the optimal answer: 27295930079 == 27295930079
10 Correct 3 ms 6748 KB contestant found the optimal answer: 29000419931 == 29000419931

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6748 KB contestant found the optimal answer: 610590000 == 610590000
2 Correct 2 ms 6748 KB contestant found the optimal answer: 311760000 == 311760000
3 Correct 40 ms 7904 KB contestant found the optimal answer: 1989216017013 == 1989216017013
4 Correct 3 ms 6748 KB contestant found the optimal answer: 1499437552673 == 1499437552673
5 Correct 25 ms 7512 KB contestant found the optimal answer: 1019625819 == 1019625819
6 Runtime error 37 ms 15452 KB Execution killed with signal 11
7 Halted 0 ms 0 KB -

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 6748 KB contestant found the optimal answer: 21503404 == 21503404
2 Correct 6 ms 6748 KB contestant found the optimal answer: 140412195 == 140412195
3 Correct 980 ms 12884 KB contestant found the optimal answer: 49729674225461 == 49729674225461
4 Correct 13 ms 6748 KB contestant found the optimal answer: 37485571387523 == 37485571387523
5 Correct 805 ms 12996 KB contestant found the optimal answer: 679388326 == 679388326
6 Correct 710 ms 11864 KB contestant found the optimal answer: 4699030287 == 4699030287
7 Correct 924 ms 12812 KB contestant found the optimal answer: 12418819758185 == 12418819758185
8 Correct 919 ms 12864 KB contestant found the optimal answer: 31093317350 == 31093317350
9 Correct 199 ms 7760 KB contestant found the optimal answer: 12194625429236 == 12194625429236
10 Correct 322 ms 9104 KB contestant found the optimal answer: 12345131038664 == 12345131038664

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Runtime error 15 ms 13660 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 29.0

# Verdict Execution time Memory Grader output
1 Runtime error 34 ms 16476 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -