#include <bits/stdc++.h>
using namespace std;
#define rep(s,t,i) for(int i=s;i<t;++i)
#define per(s,t,i) for(int i=s;i>=t;--i)
#define F first
#define S second
#define repp(a,i) for (auto i: a)
#define pb push_back
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define int long long
template <class T>
using pq = priority_queue<T, vector <T>, less <T>>;
template <class T>
using pqr = priority_queue<T, vector <T>, greater <T>>;
using pii = pair <int, int>;
template <class T>
using vc = vector <T>;
const int N = 100, inf = 1e9;
pii dp[N + 2];
int a[N + 1], p[N + 1], n;
pii solve (int A) {
rep(0, N + 1, i) dp[i] = {-inf, 0};
dp[0] = {0, 0};
for (int i = 1; i <= n + 1; ++i) {
dp[i] = dp[i - 1];
for (int j = 0; j < i; ++j) {
dp[i] = max(dp[i], {dp[j].F + (p[i] - p[j - 1]) - A, dp[j].S + 1});
}
}
return dp[n + 1];
}
void solve () {
int k;
cin >> n >> k;
rep(0, n, i) cin >> a[i + 1], p[i + 1] = p[i] + a[i];
p[n + 1] = p[n] + a[n];
int l = 0, r = inf;
while (r - l > 1) {
int m = (l + r) / 2;
if (solve(m).S <= k) r = m;
else l = m;
}
cout << solve(r).F + k * r << '\n';
}
int32_t main () {
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
int t=1;while(t--){solve();}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
1 ms |
468 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
1 ms |
468 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
1 ms |
460 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
324 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
324 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
324 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
1 ms |
468 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |