Submission #1442322
Source Code Expand
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i, N) for (int i = 0; i < (int)N; i++) int main () { int n, k; cin >> n >> k; vector<int> a(n); ll sum = 0; rep(i,n) { cin >> a[i]; sum += a[i]; } sort(a.begin(), a.end()); if(sum < k) { cout << n << endl; return 0; } vector<int> can(k,0); can[0] = 1; for(int i = n - 2; i >= 0; i--) { for(int l = k - 1; l >= 0; l--) { if(can[l] && l + a[i+1] < k) can[l+a[i+1]] = 1; } if((i != 0 && a[i] == a[i-1]) || k - a[i] <= 0) continue; bool nec = false; for(int j = k - a[i]; j < k; j++) { if(can[j]) nec = true; } if(!nec) { cout << i + 1 << endl; return 0; } } cout << 0 << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - No Need |
User | en30 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 817 Byte |
Status | WA |
Exec Time | 28 ms |
Memory | 256 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 | WA | 1 ms | 256 KB |
1_008.txt | AC | 1 ms | 256 KB |
1_009.txt | AC | 1 ms | 256 KB |
1_010.txt | AC | 1 ms | 256 KB |
1_011.txt | AC | 1 ms | 256 KB |
1_012.txt | AC | 1 ms | 256 KB |
1_013.txt | AC | 1 ms | 256 KB |
1_014.txt | AC | 1 ms | 256 KB |
1_015.txt | WA | 1 ms | 256 KB |
1_016.txt | AC | 1 ms | 256 KB |
1_017.txt | WA | 1 ms | 256 KB |
1_018.txt | AC | 1 ms | 256 KB |
1_019.txt | AC | 1 ms | 256 KB |
1_020.txt | AC | 1 ms | 256 KB |
1_021.txt | AC | 1 ms | 256 KB |
1_022.txt | WA | 1 ms | 256 KB |
1_023.txt | AC | 1 ms | 256 KB |
1_024.txt | WA | 1 ms | 256 KB |
1_025.txt | WA | 1 ms | 256 KB |
2_026.txt | AC | 1 ms | 256 KB |
2_027.txt | WA | 1 ms | 256 KB |
2_028.txt | WA | 1 ms | 256 KB |
2_029.txt | AC | 22 ms | 256 KB |
2_030.txt | AC | 2 ms | 256 KB |
2_031.txt | AC | 20 ms | 256 KB |
2_032.txt | AC | 3 ms | 256 KB |
2_033.txt | AC | 19 ms | 256 KB |
2_034.txt | AC | 2 ms | 256 KB |
2_035.txt | AC | 3 ms | 256 KB |
2_036.txt | WA | 3 ms | 256 KB |
2_037.txt | AC | 1 ms | 256 KB |
2_038.txt | WA | 1 ms | 256 KB |
2_039.txt | AC | 1 ms | 256 KB |
2_040.txt | AC | 16 ms | 256 KB |
2_041.txt | AC | 18 ms | 256 KB |
2_042.txt | AC | 28 ms | 256 KB |
2_043.txt | WA | 5 ms | 256 KB |
2_044.txt | AC | 16 ms | 256 KB |
2_045.txt | WA | 4 ms | 256 KB |
2_046.txt | WA | 12 ms | 256 KB |
2_047.txt | WA | 12 ms | 256 KB |
2_048.txt | WA | 13 ms | 256 KB |
2_049.txt | WA | 14 ms | 256 KB |
2_050.txt | WA | 14 ms | 256 KB |