Submission #146812

# Submission time Handle Problem Language Result Execution time Memory
146812 2019-08-26T09:18:52 Z MvC Split the sequence (APIO14_sequence) C++14
50 / 100
2000 ms 4868 KB
#pragma GCC target("avx2")
#pragma GCC optimization("O3")
#pragma GCC optimization("unroll-loops")
#include<bits/stdc++.h>
//#include "boxes.h"
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define mkp make_pair
#define in insert
#define er erase
#define fd find
#define fr first
#define sc second
typedef long long ll;
typedef long double ld;
const ll INF=0x3f3f3f3f3f3f3f3f;
const ll llinf=(1LL<<61);
const int inf=(1<<30);
const int nmax=1e5+50;
const int mod=1e9+7;
using namespace std;
int n,k,i,j,t,id,pr[205][nmax];
ll f[205][nmax],a[nmax],p[nmax],mx,x;
int main()
{
	//freopen("sol.in","r",stdin);
	//freopen("sol.out","w",stdout);
	//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
	ios_base::sync_with_stdio(false);cin.tie(0);cerr.tie(0);cout.tie(0);
	cin>>n>>k;
	for(i=1;i<=n;i++)cin>>a[i];
	for(i=1;i<=n;i++)p[i]=p[i-1]+a[i];
	for(i=1;i<=k;i++)
	{
		for(j=0;j<=n;j++)
		{
			for(t=j+1;t<n;t++)
			{
				x=f[i-1][j]+(p[t]-p[j])*(p[n]-p[t]);
				if(x>=f[i][t])
				{
					f[i][t]=x;
					pr[i][t]=j;
				}
				if(f[i][t]>=mx)
				{
					mx=f[i][t];
					id=t;
				}
			}
		}
	}
	cout<<mx<<endl;
	for(i=k;i>=1;i--)
	{
		cout<<id<<" ";
		id=pr[i][id];
	}
	cout<<endl;
	return 0;
}

Compilation message

sequence.cpp:2:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization("O3")
 
sequence.cpp:3:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization("unroll-loops")
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB contestant found the optimal answer: 108 == 108
2 Correct 2 ms 376 KB contestant found the optimal answer: 999 == 999
3 Correct 2 ms 376 KB contestant found the optimal answer: 0 == 0
4 Correct 2 ms 376 KB contestant found the optimal answer: 1542524 == 1542524
5 Correct 2 ms 504 KB contestant found the optimal answer: 4500000000 == 4500000000
6 Correct 2 ms 376 KB contestant found the optimal answer: 1 == 1
7 Correct 2 ms 376 KB contestant found the optimal answer: 1 == 1
8 Correct 2 ms 376 KB contestant found the optimal answer: 1 == 1
9 Correct 2 ms 376 KB contestant found the optimal answer: 100400096 == 100400096
10 Correct 2 ms 376 KB contestant found the optimal answer: 900320000 == 900320000
11 Correct 2 ms 376 KB contestant found the optimal answer: 3698080248 == 3698080248
12 Correct 3 ms 376 KB contestant found the optimal answer: 3200320000 == 3200320000
13 Correct 2 ms 376 KB contestant found the optimal answer: 140072 == 140072
14 Correct 2 ms 376 KB contestant found the optimal answer: 376041456 == 376041456
15 Correct 2 ms 376 KB contestant found the optimal answer: 805 == 805
16 Correct 2 ms 376 KB contestant found the optimal answer: 900189994 == 900189994
17 Correct 2 ms 376 KB contestant found the optimal answer: 999919994 == 999919994
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB contestant found the optimal answer: 1093956 == 1093956
2 Correct 2 ms 376 KB contestant found the optimal answer: 302460000 == 302460000
3 Correct 3 ms 888 KB contestant found the optimal answer: 122453454361 == 122453454361
4 Correct 2 ms 376 KB contestant found the optimal answer: 93663683509 == 93663683509
5 Correct 2 ms 504 KB contestant found the optimal answer: 1005304678 == 1005304678
6 Correct 2 ms 376 KB contestant found the optimal answer: 933702 == 933702
7 Correct 3 ms 632 KB contestant found the optimal answer: 25082842857 == 25082842857
8 Correct 2 ms 504 KB contestant found the optimal answer: 687136 == 687136
9 Correct 2 ms 376 KB contestant found the optimal answer: 27295930079 == 27295930079
10 Correct 2 ms 504 KB contestant found the optimal answer: 29000419931 == 29000419931
# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB contestant found the optimal answer: 610590000 == 610590000
2 Correct 3 ms 376 KB contestant found the optimal answer: 311760000 == 311760000
3 Correct 13 ms 2808 KB contestant found the optimal answer: 1989216017013 == 1989216017013
4 Correct 2 ms 376 KB contestant found the optimal answer: 1499437552673 == 1499437552673
5 Correct 9 ms 2168 KB contestant found the optimal answer: 1019625819 == 1019625819
6 Correct 12 ms 2552 KB contestant found the optimal answer: 107630884 == 107630884
7 Correct 14 ms 2808 KB contestant found the optimal answer: 475357671774 == 475357671774
8 Correct 5 ms 888 KB contestant found the optimal answer: 193556962 == 193556962
9 Correct 4 ms 764 KB contestant found the optimal answer: 482389919803 == 482389919803
10 Correct 5 ms 1016 KB contestant found the optimal answer: 490686959791 == 490686959791
# Verdict Execution time Memory Grader output
1 Correct 5 ms 504 KB contestant found the optimal answer: 21503404 == 21503404
2 Correct 5 ms 504 KB contestant found the optimal answer: 140412195 == 140412195
3 Correct 191 ms 4868 KB contestant found the optimal answer: 49729674225461 == 49729674225461
4 Correct 5 ms 504 KB contestant found the optimal answer: 37485571387523 == 37485571387523
5 Correct 193 ms 4776 KB contestant found the optimal answer: 679388326 == 679388326
6 Correct 164 ms 4204 KB contestant found the optimal answer: 4699030287 == 4699030287
7 Correct 192 ms 4800 KB contestant found the optimal answer: 12418819758185 == 12418819758185
8 Correct 190 ms 4680 KB contestant found the optimal answer: 31093317350 == 31093317350
9 Correct 41 ms 1272 KB contestant found the optimal answer: 12194625429236 == 12194625429236
10 Correct 79 ms 2156 KB contestant found the optimal answer: 12345131038664 == 12345131038664
# Verdict Execution time Memory Grader output
1 Correct 283 ms 960 KB contestant found the optimal answer: 1818678304 == 1818678304
2 Correct 268 ms 948 KB contestant found the optimal answer: 1326260195 == 1326260195
3 Execution timed out 2072 ms 3592 KB Time limit exceeded
4 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 2032 ms 3320 KB Time limit exceeded
2 Halted 0 ms 0 KB -