Submission #846698

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
846698	2023-09-08 09:20:42	BamshooT	Feast (NOI19_feast)	C++14	100 / 100	106 ms	30808 KiB

feast

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#include <iostream>
#include <algorithm>
#include <vector>
#include <math.h>
#include <cstdlib>
#define ll long long
#define FOR(i, a, b) for (int i = (a); i <= (b); ++i)
#define inf -1e18
#define fi first
#define se second
using namespace std;
typedef pair <ll, int> li;
const int N = 3e5 + 9, M = 2e3 + 9;
int n, k;
ll a[N], pre[N], dp[M][M];
void sub1(){
    for (int i = 1; i <= k; ++i){
        ll cur = 0;
        for (int j = 1; j <= n; ++j) {
            dp[i][j] = max(dp[i][j-1], cur + pre[j]);
            cur = max(cur, dp[i-1][j] - pre[j]);
        }
    }
    cout << dp[k][n];
 
 
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Compilation message (stderr)

feast.cpp: In function 'void sub2()':
feast.cpp:53:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   53 |         ll mid = lo + hi >> 1;
      |                  ~~~^~~~

• 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