Submission #1294689


Source Code Expand

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

int N, K;
vector<int> arr;

vector<vector<int> > ccp;
int dpp(int n, int k) {
    if(n == -1) return k == 0;
    int &ret = ccp[n][k];
    if(ret != -1) return ret;

    return ret = (arr[n] <= k && dpp(n - 1, k - arr[n])) | dpp(n - 1, k);
}
vector<vector<int> > ccs;
int dps(int n, int k) {
    if(n == N) return k == 0;
    int &ret = ccs[n][k];
    if(ret != -1) return ret;

    return ret = (arr[n] <= k && dps(n + 1, k - arr[n])) | dps(n + 1, k);
}
vector<int> mx;

int main() {
    scanf("%d %d", &N, &K);
    arr.resize(N);
    for(int i = 0; i < N; i++) {
        scanf("%d", &arr[i]);
    }
    sort(arr.begin(), arr.end());
    ccp = ccs = vector<vector<int> >(N, vector<int>(K, -1));
    mx = vector<int>(K, 0);
    int cnt = N;
    for(int i = N - 1; i >= 0; i--) {
        int lb = max(0, K - arr[i]);
        for(int j = 0; j < K; j++) {
            if(j == 0 || (i != 0 && dpp(i - 1, j))) if(lb - j <= 0 || lb - j <= mx[j]) {
                cnt--;
                break;
            }
        }
        int c = -1;
        for(int j = K - 1; j >= 0; j--) {
            if(dps(i, K - 1 - j)) c = K - 1 - j;
            mx[j] = max(mx[j], c);
        }
    }
    printf("%d", cnt);
}

Submission Info

Submission Time
Task D - No Need
User choikiwon
Language C++14 (GCC 5.4.1)
Score 600
Code Size 1295 Byte
Status AC
Exec Time 1247 ms
Memory 196224 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:26:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &N, &K);
                           ^
./Main.cpp:29:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &arr[i]);
                             ^

Judge Result

Set Name Sample Subtask All
Score / Max Score 0 / 0 300 / 300 300 / 300
Status
AC × 3
AC × 26
AC × 51
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 1 ms 256 KB
0_001.txt AC 1 ms 256 KB
0_002.txt AC 1 ms 256 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 1 ms 256 KB
1_007.txt AC 1 ms 256 KB
1_008.txt AC 5 ms 1536 KB
1_009.txt AC 5 ms 1536 KB
1_010.txt AC 3 ms 1536 KB
1_011.txt AC 1 ms 256 KB
1_012.txt AC 3 ms 1536 KB
1_013.txt AC 1 ms 256 KB
1_014.txt AC 1 ms 256 KB
1_015.txt AC 3 ms 1536 KB
1_016.txt AC 1 ms 256 KB
1_017.txt AC 1 ms 256 KB
1_018.txt AC 1 ms 256 KB
1_019.txt AC 2 ms 1024 KB
1_020.txt AC 1 ms 256 KB
1_021.txt AC 2 ms 896 KB
1_022.txt AC 2 ms 512 KB
1_023.txt AC 1 ms 256 KB
1_024.txt AC 3 ms 896 KB
1_025.txt AC 3 ms 1152 KB
2_026.txt AC 1 ms 256 KB
2_027.txt AC 2 ms 384 KB
2_028.txt AC 2 ms 384 KB
2_029.txt AC 1197 ms 196224 KB
2_030.txt AC 1247 ms 196224 KB
2_031.txt AC 288 ms 195968 KB
2_032.txt AC 3 ms 768 KB
2_033.txt AC 288 ms 195968 KB
2_034.txt AC 2 ms 768 KB
2_035.txt AC 3 ms 768 KB
2_036.txt AC 332 ms 196224 KB
2_037.txt AC 2 ms 640 KB
2_038.txt AC 2 ms 640 KB
2_039.txt AC 2 ms 640 KB
2_040.txt AC 237 ms 160640 KB
2_041.txt AC 180 ms 102784 KB
2_042.txt AC 282 ms 156928 KB
2_043.txt AC 165 ms 95360 KB
2_044.txt AC 183 ms 104576 KB
2_045.txt AC 93 ms 52352 KB
2_046.txt AC 348 ms 97280 KB
2_047.txt AC 544 ms 148608 KB
2_048.txt AC 689 ms 192128 KB
2_049.txt AC 587 ms 192128 KB
2_050.txt AC 529 ms 192128 KB