Submission #3003870


Source Code Expand

#include <iostream>
#include <string>
#include <queue>
#include <vector>
#include <set>
#include <map>
#include <algorithm>
#include <utility>
#include <iomanip>

#define ll long long int
#define pb push_back
#define mk make_pair
#define pq priority_queue

using namespace std;
typedef pair<int, int> P;
typedef pair<ll, int> Pl;
const int inf = 1e9;
const ll linf = 1LL << 50;
int n;
ll a[2001];
ll dp[2001][2001];
ll dp2[2001][2001];
ll sum[2001];
ll k;

int main(int argc, char const* argv[])
{
	cin >> n >> k;
	for(int i = 0; i < n; i++)cin >> a[i];
	sum[0] = a[0];
	for(int i = 1; i < n; i++)sum[i] = sum[i-1] + a[i];
	for(int i = 0; i <= n; i++){
			for(int j = 0; j <= k; j++){
					dp[i][j] = linf;
			}
	}
	for(int i = 0; i <= n; i++){
			for(int j = 0; j <= k; j++){
					dp2[i][j] = -1 * linf / 2;
			}
	}
	dp[0][0] = 0;
	for(int i = 0; i < n; i++){
			dp[i+1][0] = 0;
			for(int j = 1; j <= i+1; j++){
					dp[i+1][j] = dp[i][j];
					if(dp[i][j-1] >= linf)continue;
					ll ww;
					if(i != 0){
							ww = (ll)(a[i] * dp[i][j-1] / sum[i-1]) + 1;
					}else{
							ww = 1;
					}
					if(ww <= a[i])dp[i+1][j] = min(dp[i+1][j], dp[i][j-1] + ww);
			}
	}
	dp2[0][0] = 0;
	for(int i = 0; i < n; i++){
			dp2[i+1][0] = 0;
			for(int j = 1; j <= i+1; j++){
					dp2[i+1][j] = dp2[i][j];
					if(dp2[i][j] >= 0){
							ll tmp = a[0];
							if(i != 0)tmp = (a[i] * dp2[i][j] / sum[i-1]);
							dp2[i+1][j] += min(a[i], tmp);
					}
					if(i != 0 && dp2[i][j-1] != sum[i-1])dp2[i+1][j] = max(dp2[i+1][j], dp2[i][j-1] + a[i]);
					else if(i != 0 && dp[i][j-1] < linf)dp2[i+1][j] = max(dp2[i+1][j], dp2[i][j-1] + a[i] - 1);
					if(i == 0)dp2[i+1][j] = a[i];
			}
	}
	ll res = 0;
	for(int i = 1; i <= n; i++){
			if(dp[n][i] <= k && dp2[n][i] >= k)res = i;
	}
	cout << res << endl;
	return 0;
}

Submission Info

Submission Time
Task B - 高橋君ゲーム
User fumiphys
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1885 Byte
Status RE
Exec Time 717 ms
Memory 62848 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 100
Status
AC × 4
AC × 16
WA × 28
RE × 24
Set Name Test Cases
Sample s1.txt, s2.txt, s3.txt, s4.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt, 40.txt, 41.txt, 42.txt, 43.txt, 44.txt, 45.txt, 46.txt, 47.txt, 48.txt, 49.txt, 50.txt, 51.txt, 52.txt, 53.txt, 54.txt, 55.txt, 56.txt, 57.txt, 58.txt, 59.txt, 60.txt, 61.txt, 62.txt, 63.txt, 64.txt, s1.txt, s2.txt, s3.txt, s4.txt
Case Name Status Exec Time Memory
01.txt RE 110 ms 32128 KB
02.txt WA 65 ms 62336 KB
03.txt WA 63 ms 61440 KB
04.txt AC 74 ms 62848 KB
05.txt WA 63 ms 61440 KB
06.txt AC 75 ms 62848 KB
07.txt RE 110 ms 32128 KB
08.txt RE 110 ms 32128 KB
09.txt RE 111 ms 32128 KB
10.txt WA 63 ms 61440 KB
11.txt WA 65 ms 62336 KB
12.txt AC 75 ms 62848 KB
13.txt WA 66 ms 62720 KB
14.txt RE 105 ms 32128 KB
15.txt AC 69 ms 62848 KB
16.txt RE 106 ms 32128 KB
17.txt RE 158 ms 32128 KB
18.txt RE 114 ms 32128 KB
19.txt RE 149 ms 32128 KB
20.txt WA 63 ms 61696 KB
21.txt RE 107 ms 32128 KB
22.txt RE 105 ms 32128 KB
23.txt WA 74 ms 62848 KB
24.txt AC 75 ms 62848 KB
25.txt RE 107 ms 32128 KB
26.txt RE 106 ms 32128 KB
27.txt RE 106 ms 32128 KB
28.txt RE 106 ms 32128 KB
29.txt WA 64 ms 61952 KB
30.txt RE 715 ms 32128 KB
31.txt RE 111 ms 32128 KB
32.txt RE 106 ms 32128 KB
33.txt RE 121 ms 32128 KB
34.txt WA 63 ms 61440 KB
35.txt RE 106 ms 32128 KB
36.txt WA 66 ms 62720 KB
37.txt WA 67 ms 62848 KB
38.txt WA 64 ms 61824 KB
39.txt WA 66 ms 62720 KB
40.txt WA 63 ms 61440 KB
41.txt WA 66 ms 62720 KB
42.txt RE 112 ms 32128 KB
43.txt WA 64 ms 62080 KB
44.txt RE 716 ms 32128 KB
45.txt RE 715 ms 32128 KB
46.txt RE 717 ms 32128 KB
47.txt WA 63 ms 61312 KB
48.txt WA 63 ms 61312 KB
49.txt WA 63 ms 61440 KB
50.txt WA 63 ms 61440 KB
51.txt AC 2 ms 2304 KB
52.txt WA 2 ms 2304 KB
53.txt AC 2 ms 2304 KB
54.txt AC 2 ms 2304 KB
55.txt WA 2 ms 2304 KB
56.txt AC 2 ms 2304 KB
57.txt AC 2 ms 2304 KB
58.txt WA 2 ms 2304 KB
59.txt WA 2 ms 2304 KB
60.txt WA 2 ms 2304 KB
61.txt WA 2 ms 2304 KB
62.txt AC 2 ms 2304 KB
63.txt AC 4 ms 10496 KB
64.txt WA 2 ms 2304 KB
s1.txt AC 2 ms 2304 KB
s2.txt AC 2 ms 2304 KB
s3.txt AC 2 ms 2304 KB
s4.txt AC 2 ms 2304 KB