| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 305052 | 2020-09-22T13:26:36 Z | luciocf | Feast (NOI19_feast) | C++14 | 171 ms | 11640 KB |
#include <bits/stdc++.h>
#define ff first
#define ss second
using namespace std;
typedef long long ll;
typedef pair<ll, int> pii;
const int maxn = 3e5+10;
const ll inf = 1e16+10;
int n;
int a[maxn];
ll pref[maxn];
pii dp[maxn];
int qtd(ll c)
{
memset(dp, 0, sizeof dp);
pii mx = {0, 0};
for (int i = 1; i <= n; i++)
{
mx = max(mx, {dp[i-1].ff - pref[i-1], dp[i-1].ss});
dp[i] = max(dp[i-1], {pref[i] + mx.ff + c, mx.ss+1});
}
return dp[n].ss;
}
int main(void)
{
int k;
scanf("%d %d", &n, &k);
for (int i = 1; i <= n; i++)
{
scanf("%d", &a[i]);
pref[i] = pref[i-1]+1ll*a[i];
}
ll ini = -inf, fim = 0, best = -inf;
while (ini <= fim)
{
ll mid = (ini+fim)/2ll;
if (qtd(mid) > k) fim = mid-1;
else best = mid, ini = mid+1;
}
qtd(best);
printf("%lld\n", dp[n].ff - 1ll*k*best);
}
Compilation message
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Incorrect | 128 ms | 11384 KB | Output isn't correct |
| 2 | Halted | 0 ms | 0 KB | - |
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Correct | 114 ms | 9720 KB | Output is correct |
| 2 | Correct | 121 ms | 9868 KB | Output is correct |
| 3 | Correct | 107 ms | 9592 KB | Output is correct |
| 4 | Incorrect | 111 ms | 9664 KB | Output isn't correct |
| 5 | Halted | 0 ms | 0 KB | - |
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Correct | 171 ms | 11596 KB | Output is correct |
| 2 | Correct | 165 ms | 11500 KB | Output is correct |
| 3 | Correct | 166 ms | 11512 KB | Output is correct |
| 4 | Correct | 161 ms | 11384 KB | Output is correct |
| 5 | Correct | 164 ms | 11640 KB | Output is correct |
| 6 | Correct | 167 ms | 11640 KB | Output is correct |
| 7 | Correct | 162 ms | 11512 KB | Output is correct |
| 8 | Correct | 165 ms | 11640 KB | Output is correct |
| 9 | Correct | 163 ms | 11640 KB | Output is correct |
| 10 | Correct | 168 ms | 11512 KB | Output is correct |
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Correct | 15 ms | 5120 KB | Output is correct |
| 2 | Correct | 17 ms | 4992 KB | Output is correct |
| 3 | Correct | 15 ms | 4992 KB | Output is correct |
| 4 | Correct | 15 ms | 4992 KB | Output is correct |
| 5 | Correct | 16 ms | 4992 KB | Output is correct |
| 6 | Correct | 15 ms | 4992 KB | Output is correct |
| 7 | Correct | 15 ms | 4992 KB | Output is correct |
| 8 | Correct | 17 ms | 5120 KB | Output is correct |
| 9 | Correct | 15 ms | 4992 KB | Output is correct |
| 10 | Correct | 17 ms | 5024 KB | Output is correct |
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Correct | 15 ms | 5120 KB | Output is correct |
| 2 | Correct | 17 ms | 4992 KB | Output is correct |
| 3 | Correct | 15 ms | 4992 KB | Output is correct |
| 4 | Correct | 15 ms | 4992 KB | Output is correct |
| 5 | Correct | 16 ms | 4992 KB | Output is correct |
| 6 | Correct | 15 ms | 4992 KB | Output is correct |
| 7 | Correct | 15 ms | 4992 KB | Output is correct |
| 8 | Correct | 17 ms | 5120 KB | Output is correct |
| 9 | Correct | 15 ms | 4992 KB | Output is correct |
| 10 | Correct | 17 ms | 5024 KB | Output is correct |
| 11 | Correct | 16 ms | 4992 KB | Output is correct |
| 12 | Correct | 15 ms | 4984 KB | Output is correct |
| 13 | Correct | 16 ms | 4992 KB | Output is correct |
| 14 | Correct | 15 ms | 4992 KB | Output is correct |
| 15 | Correct | 14 ms | 4992 KB | Output is correct |
| 16 | Correct | 14 ms | 4992 KB | Output is correct |
| 17 | Correct | 17 ms | 4992 KB | Output is correct |
| 18 | Correct | 15 ms | 4992 KB | Output is correct |
| 19 | Correct | 16 ms | 4992 KB | Output is correct |
| 20 | Correct | 15 ms | 4992 KB | Output is correct |
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Correct | 15 ms | 5120 KB | Output is correct |
| 2 | Correct | 17 ms | 4992 KB | Output is correct |
| 3 | Correct | 15 ms | 4992 KB | Output is correct |
| 4 | Correct | 15 ms | 4992 KB | Output is correct |
| 5 | Correct | 16 ms | 4992 KB | Output is correct |
| 6 | Correct | 15 ms | 4992 KB | Output is correct |
| 7 | Correct | 15 ms | 4992 KB | Output is correct |
| 8 | Correct | 17 ms | 5120 KB | Output is correct |
| 9 | Correct | 15 ms | 4992 KB | Output is correct |
| 10 | Correct | 17 ms | 5024 KB | Output is correct |
| 11 | Correct | 16 ms | 4992 KB | Output is correct |
| 12 | Correct | 15 ms | 4984 KB | Output is correct |
| 13 | Correct | 16 ms | 4992 KB | Output is correct |
| 14 | Correct | 15 ms | 4992 KB | Output is correct |
| 15 | Correct | 14 ms | 4992 KB | Output is correct |
| 16 | Correct | 14 ms | 4992 KB | Output is correct |
| 17 | Correct | 17 ms | 4992 KB | Output is correct |
| 18 | Correct | 15 ms | 4992 KB | Output is correct |
| 19 | Correct | 16 ms | 4992 KB | Output is correct |
| 20 | Correct | 15 ms | 4992 KB | Output is correct |
| 21 | Correct | 16 ms | 5120 KB | Output is correct |
| 22 | Correct | 15 ms | 5120 KB | Output is correct |
| 23 | Correct | 16 ms | 5120 KB | Output is correct |
| 24 | Correct | 17 ms | 5120 KB | Output is correct |
| 25 | Correct | 16 ms | 5120 KB | Output is correct |
| 26 | Correct | 16 ms | 5120 KB | Output is correct |
| 27 | Correct | 16 ms | 5120 KB | Output is correct |
| 28 | Correct | 16 ms | 5120 KB | Output is correct |
| 29 | Correct | 16 ms | 5120 KB | Output is correct |
| 30 | Correct | 17 ms | 5120 KB | Output is correct |
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Incorrect | 128 ms | 11384 KB | Output isn't correct |
| 2 | Halted | 0 ms | 0 KB | - |