Submission #2121072
Source Code Expand
#include<bits/stdc++.h> using namespace std; int a[5004] = {0}; bool dp[5004][5004]; int n, k; bool check(int i){ for(int j=0;j<n;++j){ dp[j][0] = true; for(int l=1;l<=k;++l){ dp[j][l] = false; } } for(int j=0;j<n;++j){ if(j != i)dp[j][a[j]] = true; if(j > 0){ for(int l=1;l<=k;++l){ dp[j][l] = (dp[j][l] || dp[j-1][l]); if(j != i && l >= a[j]) dp[j][l] = (dp[j][l] || dp[j-1][l-a[j]]); } } } for(int j=max(0,k-a[i]);j<k;++j) if(dp[n-1][j])return true; return false; } int main(){ cin >> n >> k; for(int i=0;i<n;++i){ cin >> a[i]; } sort(a, a+n); int unnecessary = -1, necessary = n; while(necessary - unnecessary > 1){ int mid = (necessary + unnecessary) / 2; if(check(mid))necessary = mid; else unnecessary = mid; } cout << unnecessary + 1 << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - No Need |
User | nicklaw296 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1056 Byte |
Status | RE |
Exec Time | 656 ms |
Memory | 24704 KB |
Judge Result
Set Name | Sample | Subtask | All | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 300 | 0 / 300 | ||||||||||
Status |
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Set Name | Test Cases |
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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 | 2048 KB |
1_009.txt | AC | 5 ms | 2048 KB |
1_010.txt | RE | 100 ms | 2048 KB |
1_011.txt | RE | 99 ms | 1792 KB |
1_012.txt | AC | 4 ms | 2048 KB |
1_013.txt | AC | 2 ms | 2048 KB |
1_014.txt | AC | 2 ms | 1920 KB |
1_015.txt | AC | 4 ms | 2048 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 | 4 ms | 2048 KB |
1_020.txt | AC | 2 ms | 1792 KB |
1_021.txt | AC | 3 ms | 1920 KB |
1_022.txt | RE | 99 ms | 3072 KB |
1_023.txt | RE | 101 ms | 4864 KB |
1_024.txt | AC | 4 ms | 1920 KB |
1_025.txt | AC | 4 ms | 1920 KB |
2_026.txt | AC | 1 ms | 256 KB |
2_027.txt | AC | 1 ms | 384 KB |
2_028.txt | AC | 1 ms | 384 KB |
2_029.txt | AC | 606 ms | 24704 KB |
2_030.txt | AC | 656 ms | 24704 KB |
2_031.txt | RE | 117 ms | 24704 KB |
2_032.txt | RE | 109 ms | 23936 KB |
2_033.txt | AC | 513 ms | 24704 KB |
2_034.txt | AC | 9 ms | 23936 KB |
2_035.txt | AC | 10 ms | 24192 KB |
2_036.txt | AC | 560 ms | 24704 KB |
2_037.txt | AC | 2 ms | 256 KB |
2_038.txt | AC | 2 ms | 256 KB |
2_039.txt | AC | 2 ms | 256 KB |
2_040.txt | AC | 458 ms | 24704 KB |
2_041.txt | AC | 300 ms | 24704 KB |
2_042.txt | AC | 452 ms | 24704 KB |
2_043.txt | RE | 121 ms | 22784 KB |
2_044.txt | RE | 124 ms | 22784 KB |
2_045.txt | RE | 115 ms | 20736 KB |
2_046.txt | AC | 309 ms | 24704 KB |
2_047.txt | AC | 428 ms | 24704 KB |
2_048.txt | AC | 548 ms | 24704 KB |
2_049.txt | AC | 539 ms | 24704 KB |
2_050.txt | AC | 534 ms | 24704 KB |