Submission #1352599
Source Code Expand
#include <bits/stdc++.h> using namespace std; const int DIM = 5e3 + 5; int arr[DIM], dp1[DIM][DIM], dp2[DIM][DIM]; int main( void ) { int n, k; cin >> n >> k; for( int i = 1; i <= n; i ++ ) cin >> arr[i]; dp1[0][0] = 1; for( int i = 1; i <= n; i ++ ) { for( int j = 0; j <= k; j ++ ) { dp1[i][j] = dp1[i - 1][j]; if( j >= arr[i] ) dp1[i][j] |= dp1[i - 1][j - arr[i]]; } } dp2[n + 1][0] = 1; for( int i = n; i >= 1; i -- ) { for( int j = 0; j <= k; j ++ ) { dp2[i][j] = dp2[i + 1][j]; if( j >= arr[i] ) dp2[i][j] |= dp2[i + 1][j - arr[i]]; } } int ans = n; for( int i = 1; i <= n; i ++ ) { for( int j = 1; j <= k; j ++ ) dp2[i + 1][j] += dp2[i + 1][j - 1]; for( int j = 0; j < k; j ++ ) { if( dp1[i - 1][j] == 0 ) continue; int cnt = dp2[i + 1][k - j - 1]; if( k - j - arr[i] >= 1 ) cnt -= dp2[i + 1][k - j - arr[i] - 1]; if( cnt != 0 ) { ans --; break; } } } cout << ans << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - No Need |
User | EmanuelNrx |
Language | C++14 (GCC 5.4.1) |
Score | 600 |
Code Size | 1378 Byte |
Status | AC |
Exec Time | 196 ms |
Memory | 195840 KB |
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 | 2 ms | 2304 KB |
0_001.txt | AC | 2 ms | 2304 KB |
0_002.txt | AC | 2 ms | 2304 KB |
1_003.txt | AC | 2 ms | 2304 KB |
1_004.txt | AC | 2 ms | 2304 KB |
1_005.txt | AC | 2 ms | 2304 KB |
1_006.txt | AC | 2 ms | 2432 KB |
1_007.txt | AC | 2 ms | 2432 KB |
1_008.txt | AC | 6 ms | 17280 KB |
1_009.txt | AC | 6 ms | 17152 KB |
1_010.txt | AC | 6 ms | 17152 KB |
1_011.txt | AC | 5 ms | 17024 KB |
1_012.txt | AC | 6 ms | 17152 KB |
1_013.txt | AC | 5 ms | 17024 KB |
1_014.txt | AC | 5 ms | 17024 KB |
1_015.txt | AC | 6 ms | 17280 KB |
1_016.txt | AC | 2 ms | 2304 KB |
1_017.txt | AC | 2 ms | 2304 KB |
1_018.txt | AC | 2 ms | 2304 KB |
1_019.txt | AC | 6 ms | 17152 KB |
1_020.txt | AC | 5 ms | 17024 KB |
1_021.txt | AC | 6 ms | 17152 KB |
1_022.txt | AC | 4 ms | 8960 KB |
1_023.txt | AC | 3 ms | 8832 KB |
1_024.txt | AC | 6 ms | 17152 KB |
1_025.txt | AC | 6 ms | 17152 KB |
2_026.txt | AC | 2 ms | 2304 KB |
2_027.txt | AC | 2 ms | 2432 KB |
2_028.txt | AC | 2 ms | 2432 KB |
2_029.txt | AC | 188 ms | 195840 KB |
2_030.txt | AC | 196 ms | 195840 KB |
2_031.txt | AC | 137 ms | 195840 KB |
2_032.txt | AC | 45 ms | 193408 KB |
2_033.txt | AC | 137 ms | 195840 KB |
2_034.txt | AC | 44 ms | 193408 KB |
2_035.txt | AC | 44 ms | 193408 KB |
2_036.txt | AC | 151 ms | 195840 KB |
2_037.txt | AC | 2 ms | 2560 KB |
2_038.txt | AC | 2 ms | 2560 KB |
2_039.txt | AC | 2 ms | 2560 KB |
2_040.txt | AC | 120 ms | 195840 KB |
2_041.txt | AC | 101 ms | 195072 KB |
2_042.txt | AC | 131 ms | 195840 KB |
2_043.txt | AC | 81 ms | 125184 KB |
2_044.txt | AC | 96 ms | 169856 KB |
2_045.txt | AC | 66 ms | 161024 KB |
2_046.txt | AC | 105 ms | 194944 KB |
2_047.txt | AC | 137 ms | 195712 KB |
2_048.txt | AC | 164 ms | 195840 KB |
2_049.txt | AC | 158 ms | 195840 KB |
2_050.txt | AC | 154 ms | 195840 KB |