Submission #265538

# Submission time Handle Problem Language Result Execution time Memory
265538 2020-08-15T00:20:21 Z tko919 Split the sequence (APIO14_sequence) C++17
50 / 100
196 ms 7932 KB
#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;

//template
#define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define ALL(v) (v).begin(),(v).end()
typedef long long int ll;
const int inf = 0x3fffffff; const ll INF = 0x1fffffffffffffff; const double eps=1e-12;
template<typename T>inline bool chmax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
template<typename T>inline bool chmin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
//end

ll dp[1010][1010]={},pre[1010][1010];

int main(){
   int n,k; cin>>n>>k;
   assert(n<=1000);
   vector<ll> a(n),rui(n+1);
   rep(i,0,n){
      cin>>a[i]; rui[i+1]=a[i];
   }
   rep(i,0,n)rui[i+1]+=rui[i];
   rep(i,0,n+1)rep(j,0,k+1)dp[i][j]=-INF;
   dp[0][0]=0;
   rep(i,1,k+1)rep(j,1,n)rep(i2,0,j)if(dp[i-1][i2]>=0){
      ll add=(rui[j]-rui[i2])*(rui[n]-rui[j]);
      if(chmax(dp[i][j],dp[i-1][i2]+add))pre[i][j]=i2;
   }
   ll res=-INF; int pos=-1;
   rep(i,0,n)if(chmax(res,dp[k][i]))pos=i;
   cout<<res<<endl;
   int cur=k; vector<int> ps;
   while(cur){
      ps.push_back(pos);
      pos=pre[cur][pos]; cur--;
   }
   reverse(ALL(ps));
   rep(i,0,k)cout<<ps[i]<<endl;
   return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB contestant found the optimal answer: 108 == 108
2 Correct 1 ms 384 KB contestant found the optimal answer: 999 == 999
3 Correct 0 ms 384 KB contestant found the optimal answer: 0 == 0
4 Correct 0 ms 384 KB contestant found the optimal answer: 1542524 == 1542524
5 Correct 0 ms 384 KB contestant found the optimal answer: 4500000000 == 4500000000
6 Correct 0 ms 384 KB contestant found the optimal answer: 1 == 1
7 Correct 1 ms 384 KB contestant found the optimal answer: 1 == 1
8 Correct 0 ms 384 KB contestant found the optimal answer: 1 == 1
9 Correct 1 ms 384 KB contestant found the optimal answer: 100400096 == 100400096
10 Correct 1 ms 360 KB contestant found the optimal answer: 900320000 == 900320000
11 Correct 1 ms 384 KB contestant found the optimal answer: 3698080248 == 3698080248
12 Correct 0 ms 384 KB contestant found the optimal answer: 3200320000 == 3200320000
13 Correct 1 ms 384 KB contestant found the optimal answer: 140072 == 140072
14 Correct 1 ms 384 KB contestant found the optimal answer: 376041456 == 376041456
15 Correct 1 ms 384 KB contestant found the optimal answer: 805 == 805
16 Correct 0 ms 384 KB contestant found the optimal answer: 900189994 == 900189994
17 Correct 0 ms 384 KB contestant found the optimal answer: 999919994 == 999919994
# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB contestant found the optimal answer: 1093956 == 1093956
2 Correct 1 ms 512 KB contestant found the optimal answer: 302460000 == 302460000
3 Correct 1 ms 768 KB contestant found the optimal answer: 122453454361 == 122453454361
4 Correct 1 ms 512 KB contestant found the optimal answer: 93663683509 == 93663683509
5 Correct 1 ms 512 KB contestant found the optimal answer: 1005304678 == 1005304678
6 Correct 1 ms 512 KB contestant found the optimal answer: 933702 == 933702
7 Correct 1 ms 640 KB contestant found the optimal answer: 25082842857 == 25082842857
8 Correct 1 ms 640 KB contestant found the optimal answer: 687136 == 687136
9 Correct 1 ms 512 KB contestant found the optimal answer: 27295930079 == 27295930079
10 Correct 1 ms 640 KB contestant found the optimal answer: 29000419931 == 29000419931
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1128 KB contestant found the optimal answer: 610590000 == 610590000
2 Correct 1 ms 1152 KB contestant found the optimal answer: 311760000 == 311760000
3 Correct 7 ms 2432 KB contestant found the optimal answer: 1989216017013 == 1989216017013
4 Correct 1 ms 1152 KB contestant found the optimal answer: 1499437552673 == 1499437552673
5 Correct 6 ms 2176 KB contestant found the optimal answer: 1019625819 == 1019625819
6 Correct 7 ms 2304 KB contestant found the optimal answer: 107630884 == 107630884
7 Correct 7 ms 2432 KB contestant found the optimal answer: 475357671774 == 475357671774
8 Correct 3 ms 1536 KB contestant found the optimal answer: 193556962 == 193556962
9 Correct 2 ms 1408 KB contestant found the optimal answer: 482389919803 == 482389919803
10 Correct 3 ms 1664 KB contestant found the optimal answer: 490686959791 == 490686959791
# Verdict Execution time Memory Grader output
1 Correct 5 ms 4352 KB contestant found the optimal answer: 21503404 == 21503404
2 Correct 5 ms 4352 KB contestant found the optimal answer: 140412195 == 140412195
3 Correct 160 ms 7932 KB contestant found the optimal answer: 49729674225461 == 49729674225461
4 Correct 5 ms 4352 KB contestant found the optimal answer: 37485571387523 == 37485571387523
5 Correct 196 ms 7928 KB contestant found the optimal answer: 679388326 == 679388326
6 Correct 165 ms 7416 KB contestant found the optimal answer: 4699030287 == 4699030287
7 Correct 162 ms 7932 KB contestant found the optimal answer: 12418819758185 == 12418819758185
8 Correct 158 ms 7932 KB contestant found the optimal answer: 31093317350 == 31093317350
9 Correct 50 ms 5112 KB contestant found the optimal answer: 12194625429236 == 12194625429236
10 Correct 99 ms 5880 KB contestant found the optimal answer: 12345131038664 == 12345131038664
# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 512 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 512 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -