제출 #989368

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
989368	2024-05-28 05:07:28	muhammad	Feast (NOI19_feast)	C++17	100 / 100	92 ms	10532 KiB

feast

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pli pair<ll, int>
const int mxN=3e5;
int n, k;
ll a[mxN+1], lb, rb=3e14;
pli dp[mxN+1];
pli cdp(ll x) {
  memset(dp, 0, sizeof(dp));
  pli ms{};
  for(int i=0; i<n; ++i) {
    pli cs{dp[i].first-a[i], dp[i].second};
    if(cs.first^ms.first?cs.first>ms.first:cs.second<ms.second)
      ms=cs;
    pli nd{ms.first-x+a[i+1], ms.second+1};
    dp[i+1]=(nd.first^dp[i].first?nd.first>dp[i].first:nd.second<dp[i].second)?nd:dp[i];
  }
  return dp[n];
}
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cin >> n >> k;
  for(int i=0; i<n; ++i)
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

컴파일 시 표준 에러 (stderr) 메시지

feast.cpp: In function 'std::pair<long long int, int> cdp(long long int)':
feast.cpp:13:26: warning: 'void* memset(void*, int, size_t)' clearing an object of type 'struct std::pair<long long int, int>' with no trivial copy-assignment; use assignment instead [-Wclass-memaccess]
   13 |  memset(dp, 0, sizeof(dp));
      |                          ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from feast.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:211:12: note: 'struct std::pair<long long int, int>' declared here
  211 |     struct pair
      |            ^~~~

• Subtask 1: 4 / 4
• Subtask 2: 8 / 8
• Subtask 3: 18 / 18
• Subtask 4: 10 / 10
• Subtask 5: 11 / 11
• Subtask 6: 20 / 20
• Subtask 7: 29 / 29