oj.uz

답안 #716151

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
716151 2023-03-29T06:27:40 Z ktkerem K개의 묶음 (IZhO14_blocks) C++17
0 / 100
 1 ms 340 KB 
/*#pragma GCC target ("avx2")
#pragma GCC optimize ("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")/**/
#include<bits/stdc++.h>
typedef long long ll;
typedef long double ld;
typedef __int128 vll;
typedef long long ftyp;
typedef std::complex<ftyp> vec;
#define llll std::pair<ll , ll>
#define pb push_back
#define fi first
#define sec second
#define cx real
#define cy imag
#define all(a) a.begin() , a.end()
#define debug std::cout << "!!ALERT ALERT!!" << std::endl;
const ll limit = 1e9+7;
const ll sus = 1e5+5;
std::mt19937 rng(std::chrono::steady_clock::now().time_since_epoch().count());
ll n , m;std::vector<ll> ar;
ll dp[102][sus];
void solve(){
  std::cin >> n >> m;
  ar.resize(n+1);
  dp[1][0] = limit;
  for(ll i = 1;n>=i;i++){
    std::cin >> ar[i];
  }
  dp[1][1] = ar[1];
  for(ll i = 2;n>=i;i++){
    dp[1][i] = std::max(dp[1][i-1] , ar[i]);
  }
  for(ll k = 2;m>=k;k++){
    std::stack<ll> s1 , s2;
    for(ll j = 1;n>=j;j++){
      ll ff = dp[k-1][j-1];
      while(s1.size() && s1.top() < ar[j]){
        ff = std::min(ff , s2.top());
        s1.pop();
        s2.pop();
      }
      if(s1.empty() || ff + ar[j] <= s1.top() + s2.top()){
        s1.push(ar[j]);
        s2.push(ff);
      }
      if(j >= k){
        dp[k][j] = s1.top() + s2.top();
      }
    }
  }
  std::cout << dp[m][n];
  return;/**/
}
int main(){
  std::ios_base::sync_with_stdio(false);std::cin.tie(NULL);
  ll t = 1;
  //std::cin >> t;
  while(t--){
    solve();
  }
}

Compilation message

blocks.cpp:5:78: warning: "/*" within comment [-Wcomment]
    5 | #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")/**/
      |

Subtask #1
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Incorrect 0 ms 340 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #2
0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 328 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Incorrect 1 ms 340 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Incorrect 0 ms 340 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #4
0 / 47.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Incorrect 0 ms 340 KB Output isn't correct
10 Halted 0 ms 0 KB -