Submission #3226971


Source Code Expand

typedef int ll;
#include <bits/stdc++.h>
using namespace std;

ll n,k;
ll a[5010];
bool sum[5010];
// n次元配列の初期化。第2引数の型のサイズごとに初期化していく。
template<typename A, size_t N, typename T>
void Fill(A (&array)[N], const T &val){
    std::fill( (T*)array, (T*)(array+N), val );
}


int main() {
    std::cin >> n>>k;
    for (int i = 0; i < n; i++) {
        std::cin >> a[i];
    }
    sort(a,a+n);

    ll r = n-1;
    ll l = -1;
    ll i = r;
    while(r-l>1){
        // iだけがいない街
        bool sum[5010][5010];
      	Fill(sum,false);
      	sum[0][0]=true;
        for (int l = 0; l < n; l++) {
            for (int j = 0; j <= k; j++) {
                if(sum[l][j]){
                    sum[l+1][j] = true;
                    if(j+a[l]<=k && i!=l){
                        sum[l+1][j+a[l]]=true;
                    }
                }
            }
        }
      	sum[n][0]=false;
        
        bool flag = false;
      
        for (int c = 1; c <= min(a[i],k); c++) {
            if(sum[n][k-c]){
                flag = true;
                break;
            }
        }
        if(i==r && !flag){
          cout<<n<<endl;
            return 0;
        }else if(i==r){
            i = (r+l)/2;
        }else{
            (flag ? r : l ) = i;
            i = (r+l)/2;
        }
    }
    std::cout << l+1 << std::endl;
}

Submission Info

Submission Time
Task D - No Need
User erbowl
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1459 Byte
Status WA
Exec Time 570 ms
Memory 24960 KB

Judge Result

Set Name Sample Subtask All
Score / Max Score 0 / 0 0 / 300 0 / 300
Status
AC × 3
AC × 21
WA × 5
AC × 41
WA × 10
Set Name Test Cases
Sample 0_000.txt, 0_001.txt, 0_002.txt
Subtask 0_000.txt, 0_001.txt, 0_002.txt, 1_003.txt, 1_004.txt, 1_005.txt, 1_006.txt, 1_007.txt, 1_008.txt, 1_009.txt, 1_010.txt, 1_011.txt, 1_012.txt, 1_013.txt, 1_014.txt, 1_015.txt, 1_016.txt, 1_017.txt, 1_018.txt, 1_019.txt, 1_020.txt, 1_021.txt, 1_022.txt, 1_023.txt, 1_024.txt, 1_025.txt
All 0_000.txt, 0_001.txt, 0_002.txt, 1_003.txt, 1_004.txt, 1_005.txt, 1_006.txt, 1_007.txt, 1_008.txt, 1_009.txt, 1_010.txt, 1_011.txt, 1_012.txt, 1_013.txt, 1_014.txt, 1_015.txt, 1_016.txt, 1_017.txt, 1_018.txt, 1_019.txt, 1_020.txt, 1_021.txt, 1_022.txt, 1_023.txt, 1_024.txt, 1_025.txt, 2_026.txt, 2_027.txt, 2_028.txt, 2_029.txt, 2_030.txt, 2_031.txt, 2_032.txt, 2_033.txt, 2_034.txt, 2_035.txt, 2_036.txt, 2_037.txt, 2_038.txt, 2_039.txt, 2_040.txt, 2_041.txt, 2_042.txt, 2_043.txt, 2_044.txt, 2_045.txt, 2_046.txt, 2_047.txt, 2_048.txt, 2_049.txt, 2_050.txt
Case Name Status Exec Time Memory
0_000.txt AC 34 ms 24704 KB
0_001.txt AC 15 ms 24704 KB
0_002.txt AC 34 ms 24704 KB
1_003.txt AC 1 ms 256 KB
1_004.txt AC 1 ms 256 KB
1_005.txt AC 1 ms 256 KB
1_006.txt AC 15 ms 24704 KB
1_007.txt AC 42 ms 24704 KB
1_008.txt AC 89 ms 24704 KB
1_009.txt AC 16 ms 24704 KB
1_010.txt WA 16 ms 24704 KB
1_011.txt WA 16 ms 24704 KB
1_012.txt WA 16 ms 24704 KB
1_013.txt WA 16 ms 24704 KB
1_014.txt WA 16 ms 24704 KB
1_015.txt AC 90 ms 24704 KB
1_016.txt AC 15 ms 24704 KB
1_017.txt AC 43 ms 24704 KB
1_018.txt AC 15 ms 24704 KB
1_019.txt AC 98 ms 24704 KB
1_020.txt AC 88 ms 24704 KB
1_021.txt AC 89 ms 24704 KB
1_022.txt AC 79 ms 24704 KB
1_023.txt AC 79 ms 24704 KB
1_024.txt AC 98 ms 24704 KB
1_025.txt AC 98 ms 24704 KB
2_026.txt AC 1 ms 256 KB
2_027.txt AC 60 ms 24704 KB
2_028.txt AC 51 ms 24704 KB
2_029.txt AC 444 ms 24832 KB
2_030.txt AC 42 ms 24832 KB
2_031.txt WA 36 ms 24832 KB
2_032.txt WA 20 ms 24832 KB
2_033.txt WA 35 ms 24832 KB
2_034.txt WA 18 ms 24832 KB
2_035.txt WA 18 ms 24832 KB
2_036.txt AC 570 ms 24832 KB
2_037.txt AC 16 ms 24704 KB
2_038.txt AC 44 ms 24704 KB
2_039.txt AC 16 ms 24704 KB
2_040.txt AC 490 ms 24832 KB
2_041.txt AC 372 ms 24832 KB
2_042.txt AC 488 ms 24832 KB
2_043.txt AC 288 ms 24832 KB
2_044.txt AC 345 ms 24960 KB
2_045.txt AC 225 ms 24832 KB
2_046.txt AC 334 ms 24832 KB
2_047.txt AC 402 ms 24832 KB
2_048.txt AC 481 ms 24832 KB
2_049.txt AC 494 ms 24832 KB
2_050.txt AC 499 ms 24832 KB