Submission #1594222
Source Code Expand
#include <iostream> #include <algorithm> using namespace std; #define REP(i, x) for (int i = 0; i < (x); i++) #define RREP(i, x) for (int i = (x) - 1; i >= 0; i--) using ll = long long; int main() { int N, K; cin >> N >> K; const int MAXN = 5010; static ll a[MAXN]; REP (i, N) { cin >> a[i]; } sort(a, a + N); int M = 0; REP (i, N) { if (a[i] < K) M++; } int nes = N - M; // 必要なもの static int dp[5010][10010]; const int INF = (1 << 28); REP (i, 5010) REP (j, 10010) dp[i][j] = INF; dp[0][0] = 1; REP (i, M) { REP (j, 2 * K) { dp[i + 1][j] = dp[i][j]; if (j - a[i] >= 0) { dp[i + 1][j] = min(dp[i + 1][j], dp[i][j - a[i]]); } } } /* cerr << "first" << endl; REP (i, M + 1) { REP (j, 2 * K) { cerr << "(" << i << ", " << j << ") " << dp[i][j] << endl; } } */ REP (i, 2 * K) { dp[M][i] = (i >= K and dp[M][i] < INF ? i : INF); } RREP (i, M) { int x = INF; REP (j, K) { if (dp[i][j] >= INF) continue; x = min(x, dp[i + 1][j + a[i]]); } if (x - a[i] < K) nes++; REP (j, 2 * K) { dp[i][j] = dp[i + 1][j]; if (j + a[i] < 2 * K) { dp[i][j] = min(dp[i][j], dp[i + 1][j + a[i]]); } } } /* cerr << "second" << endl; REP (i, M + 1) { REP (j, 2 * K) { cerr << "(" << i << ", " << j << ") " << dp[i][j] << endl; } } */ cout << N - nes << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - No Need |
User | myusa |
Language | C++14 (GCC 5.4.1) |
Score | 600 |
Code Size | 1760 Byte |
Status | AC |
Exec Time | 211 ms |
Memory | 196224 KB |
Judge Result
Set Name | Sample | Subtask | All | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 300 / 300 | 300 / 300 | ||||||
Status |
|
|
|
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 | 58 ms | 196096 KB |
0_001.txt | AC | 57 ms | 196096 KB |
0_002.txt | AC | 57 ms | 196096 KB |
1_003.txt | AC | 57 ms | 196096 KB |
1_004.txt | AC | 57 ms | 196096 KB |
1_005.txt | AC | 57 ms | 196096 KB |
1_006.txt | AC | 57 ms | 196096 KB |
1_007.txt | AC | 57 ms | 196096 KB |
1_008.txt | AC | 58 ms | 196096 KB |
1_009.txt | AC | 59 ms | 196096 KB |
1_010.txt | AC | 58 ms | 196096 KB |
1_011.txt | AC | 57 ms | 196096 KB |
1_012.txt | AC | 57 ms | 196096 KB |
1_013.txt | AC | 58 ms | 196096 KB |
1_014.txt | AC | 57 ms | 196096 KB |
1_015.txt | AC | 58 ms | 196096 KB |
1_016.txt | AC | 57 ms | 196096 KB |
1_017.txt | AC | 57 ms | 196096 KB |
1_018.txt | AC | 57 ms | 196096 KB |
1_019.txt | AC | 58 ms | 196096 KB |
1_020.txt | AC | 57 ms | 196096 KB |
1_021.txt | AC | 58 ms | 196096 KB |
1_022.txt | AC | 58 ms | 196096 KB |
1_023.txt | AC | 57 ms | 196096 KB |
1_024.txt | AC | 57 ms | 196096 KB |
1_025.txt | AC | 58 ms | 196096 KB |
2_026.txt | AC | 57 ms | 196096 KB |
2_027.txt | AC | 57 ms | 196096 KB |
2_028.txt | AC | 57 ms | 196096 KB |
2_029.txt | AC | 211 ms | 196224 KB |
2_030.txt | AC | 210 ms | 196224 KB |
2_031.txt | AC | 60 ms | 196224 KB |
2_032.txt | AC | 59 ms | 196224 KB |
2_033.txt | AC | 58 ms | 196224 KB |
2_034.txt | AC | 58 ms | 196224 KB |
2_035.txt | AC | 58 ms | 196224 KB |
2_036.txt | AC | 201 ms | 196224 KB |
2_037.txt | AC | 57 ms | 196096 KB |
2_038.txt | AC | 58 ms | 196096 KB |
2_039.txt | AC | 58 ms | 196096 KB |
2_040.txt | AC | 59 ms | 196224 KB |
2_041.txt | AC | 133 ms | 196224 KB |
2_042.txt | AC | 173 ms | 196224 KB |
2_043.txt | AC | 105 ms | 196224 KB |
2_044.txt | AC | 111 ms | 196224 KB |
2_045.txt | AC | 85 ms | 196224 KB |
2_046.txt | AC | 96 ms | 196224 KB |
2_047.txt | AC | 116 ms | 196224 KB |
2_048.txt | AC | 132 ms | 196224 KB |
2_049.txt | AC | 116 ms | 196224 KB |
2_050.txt | AC | 107 ms | 196224 KB |