Submission #744985

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
744985	2023-05-19 09:28:43	sudheerays123	Split the sequence (APIO14_sequence)	C++17	50 / 100	377 ms	24860 KiB

sequence

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#include<bits/stdc++.h>
using namespace std;
#define fast ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define ll long long int
const ll N = 1000+5 , K = 200+5 , INF = 1e18 , MOD = 1e9+7;
ll n,k;
ll dp[N][N],opt[N][N];
vector<ll> presum(N);
ll go(ll i , ll j){
  if(j > k+1) return -INF;
  if(i == n+1){
    if(j < k+1) return -INF;
    return 0;
  }
  if(dp[i][j] != -1) return dp[i][j];
  ll ans = -INF,ind;
  for(ll k = i; k <= n; k++){
    ll cur = go(k+1,j+1)+(presum[k]-presum[i-1])*(presum[n]-presum[k]);
    if(cur > ans){
      ans = cur;
      ind = k+1;
    }
  }
 
 
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Compilation message (stderr)

sequence.cpp: In function 'long long int go(long long int, long long int)':
sequence.cpp:31:12: warning: 'ind' may be used uninitialized in this function [-Wmaybe-uninitialized]
   31 |  opt[i][j] = ind;
      |  ~~~~~~~~~~^~~~~

• Subtask 1: 11 / 11
• Subtask 2: 11 / 11
• Subtask 3: 11 / 11
• Subtask 4: 17 / 17
• Subtask 5: 0 / 21
• Subtask 6: 0 / 29