Submission #1336477
Source Code Expand
// Copyright 2017 wu_qing #include <cstdio> #include <bitset> #include <algorithm> const int N = 5e3 + 10; std::bitset<N> b; int n, k, t, l, r, cnt, a[N]; inline bool check(int x) { b.reset(); b[0] = 1; for (int i = 1; i <= cnt; i++) { if (i == x) continue; b |= b << a[i]; } for (int i = k - a[x]; i < k; i++) if (b[i]) return true; return false; } int main() { scanf("%d%d", &n, &k); for (int i = 1; i <= n; i++) { scanf("%d", &t); if (t <= k) a[++cnt] = t; } std::sort(a + 1, a + cnt + 1); l = 0; r = cnt; while (l < r) { int m = (l + r) / 2; if (check(m + 1)) r = m; else l = m + 1; } printf("%d\n", r); return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - No Need |
User | wu_qing |
Language | C++14 (GCC 5.4.1) |
Score | 600 |
Code Size | 837 Byte |
Status | AC |
Exec Time | 16 ms |
Memory | 128 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:21:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &k); ^ ./Main.cpp:23:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &t); ^
Judge Result
Set Name | Sample | Subtask | All | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 300 / 300 | 300 / 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 | 128 KB |
0_001.txt | AC | 1 ms | 128 KB |
0_002.txt | AC | 1 ms | 128 KB |
1_003.txt | AC | 0 ms | 128 KB |
1_004.txt | AC | 1 ms | 128 KB |
1_005.txt | AC | 0 ms | 128 KB |
1_006.txt | AC | 1 ms | 128 KB |
1_007.txt | AC | 1 ms | 128 KB |
1_008.txt | AC | 1 ms | 128 KB |
1_009.txt | AC | 1 ms | 128 KB |
1_010.txt | AC | 1 ms | 128 KB |
1_011.txt | AC | 1 ms | 128 KB |
1_012.txt | AC | 1 ms | 128 KB |
1_013.txt | AC | 1 ms | 128 KB |
1_014.txt | AC | 1 ms | 128 KB |
1_015.txt | AC | 1 ms | 128 KB |
1_016.txt | AC | 1 ms | 128 KB |
1_017.txt | AC | 1 ms | 128 KB |
1_018.txt | AC | 1 ms | 128 KB |
1_019.txt | AC | 1 ms | 128 KB |
1_020.txt | AC | 1 ms | 128 KB |
1_021.txt | AC | 1 ms | 128 KB |
1_022.txt | AC | 1 ms | 128 KB |
1_023.txt | AC | 1 ms | 128 KB |
1_024.txt | AC | 1 ms | 128 KB |
1_025.txt | AC | 1 ms | 128 KB |
2_026.txt | AC | 1 ms | 128 KB |
2_027.txt | AC | 1 ms | 128 KB |
2_028.txt | AC | 1 ms | 128 KB |
2_029.txt | AC | 16 ms | 128 KB |
2_030.txt | AC | 15 ms | 128 KB |
2_031.txt | AC | 1 ms | 128 KB |
2_032.txt | AC | 1 ms | 128 KB |
2_033.txt | AC | 12 ms | 128 KB |
2_034.txt | AC | 1 ms | 128 KB |
2_035.txt | AC | 1 ms | 128 KB |
2_036.txt | AC | 14 ms | 128 KB |
2_037.txt | AC | 1 ms | 128 KB |
2_038.txt | AC | 1 ms | 128 KB |
2_039.txt | AC | 1 ms | 128 KB |
2_040.txt | AC | 1 ms | 128 KB |
2_041.txt | AC | 15 ms | 128 KB |
2_042.txt | AC | 15 ms | 128 KB |
2_043.txt | AC | 6 ms | 128 KB |
2_044.txt | AC | 9 ms | 128 KB |
2_045.txt | AC | 8 ms | 128 KB |
2_046.txt | AC | 7 ms | 128 KB |
2_047.txt | AC | 7 ms | 128 KB |
2_048.txt | AC | 8 ms | 128 KB |
2_049.txt | AC | 6 ms | 128 KB |
2_050.txt | AC | 5 ms | 128 KB |