結果

問題 No.458 異なる素数の和
ユーザー tetsutetsu
提出日時 2017-10-09 06:32:01
言語 Java21
(openjdk 21)
結果
AC  
実行時間 458 ms / 2,000 ms
コード長 24,056 bytes
コンパイル時間 4,015 ms
コンパイル使用メモリ 86,316 KB
実行使用メモリ 221,824 KB
最終ジャッジ日時 2024-11-17 06:18:54
合計ジャッジ時間 10,871 ms
ジャッジサーバーID
(参考情報)
judge5 / judge2
このコードへのチャレンジ
(要ログイン)

テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 127 ms
47,688 KB
testcase_01 AC 274 ms
132,152 KB
testcase_02 AC 330 ms
176,196 KB
testcase_03 AC 188 ms
80,728 KB
testcase_04 AC 220 ms
101,728 KB
testcase_05 AC 458 ms
221,824 KB
testcase_06 AC 340 ms
177,504 KB
testcase_07 AC 139 ms
47,744 KB
testcase_08 AC 436 ms
220,460 KB
testcase_09 AC 171 ms
67,132 KB
testcase_10 AC 102 ms
40,252 KB
testcase_11 AC 437 ms
218,228 KB
testcase_12 AC 122 ms
41,336 KB
testcase_13 AC 103 ms
40,148 KB
testcase_14 AC 116 ms
41,420 KB
testcase_15 AC 102 ms
40,412 KB
testcase_16 AC 168 ms
75,188 KB
testcase_17 AC 116 ms
41,292 KB
testcase_18 AC 123 ms
41,780 KB
testcase_19 AC 119 ms
40,108 KB
testcase_20 AC 114 ms
41,160 KB
testcase_21 AC 97 ms
39,768 KB
testcase_22 AC 120 ms
40,672 KB
testcase_23 AC 131 ms
41,424 KB
testcase_24 AC 122 ms
41,960 KB
testcase_25 AC 108 ms
40,824 KB
testcase_26 AC 118 ms
41,680 KB
testcase_27 AC 306 ms
175,920 KB
testcase_28 AC 446 ms
218,572 KB
testcase_29 AC 154 ms
56,188 KB
testcase_30 AC 252 ms
119,908 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

package yukicoder;
import java.util.*;

public class P458 {
	
	static int[] primes = {
			2,
			3,
			5,
			7,
			11,
			13,
			17,
			19,
			23,
			29,
			31,
			37,
			41,
			43,
			47,
			53,
			59,
			61,
			67,
			71,
			73,
			79,
			83,
			89,
			97,
			101,
			103,
			107,
			109,
			113,
			127,
			131,
			137,
			139,
			149,
			151,
			157,
			163,
			167,
			173,
			179,
			181,
			191,
			193,
			197,
			199,
			211,
			223,
			227,
			229,
			233,
			239,
			241,
			251,
			257,
			263,
			269,
			271,
			277,
			281,
			283,
			293,
			307,
			311,
			313,
			317,
			331,
			337,
			347,
			349,
			353,
			359,
			367,
			373,
			379,
			383,
			389,
			397,
			401,
			409,
			419,
			421,
			431,
			433,
			439,
			443,
			449,
			457,
			461,
			463,
			467,
			479,
			487,
			491,
			499,
			503,
			509,
			521,
			523,
			541,
			547,
			557,
			563,
			569,
			571,
			577,
			587,
			593,
			599,
			601,
			607,
			613,
			617,
			619,
			631,
			641,
			643,
			647,
			653,
			659,
			661,
			673,
			677,
			683,
			691,
			701,
			709,
			719,
			727,
			733,
			739,
			743,
			751,
			757,
			761,
			769,
			773,
			787,
			797,
			809,
			811,
			821,
			823,
			827,
			829,
			839,
			853,
			857,
			859,
			863,
			877,
			881,
			883,
			887,
			907,
			911,
			919,
			929,
			937,
			941,
			947,
			953,
			967,
			971,
			977,
			983,
			991,
			997,
			1009,
			1013,
			1019,
			1021,
			1031,
			1033,
			1039,
			1049,
			1051,
			1061,
			1063,
			1069,
			1087,
			1091,
			1093,
			1097,
			1103,
			1109,
			1117,
			1123,
			1129,
			1151,
			1153,
			1163,
			1171,
			1181,
			1187,
			1193,
			1201,
			1213,
			1217,
			1223,
			1229,
			1231,
			1237,
			1249,
			1259,
			1277,
			1279,
			1283,
			1289,
			1291,
			1297,
			1301,
			1303,
			1307,
			1319,
			1321,
			1327,
			1361,
			1367,
			1373,
			1381,
			1399,
			1409,
			1423,
			1427,
			1429,
			1433,
			1439,
			1447,
			1451,
			1453,
			1459,
			1471,
			1481,
			1483,
			1487,
			1489,
			1493,
			1499,
			1511,
			1523,
			1531,
			1543,
			1549,
			1553,
			1559,
			1567,
			1571,
			1579,
			1583,
			1597,
			1601,
			1607,
			1609,
			1613,
			1619,
			1621,
			1627,
			1637,
			1657,
			1663,
			1667,
			1669,
			1693,
			1697,
			1699,
			1709,
			1721,
			1723,
			1733,
			1741,
			1747,
			1753,
			1759,
			1777,
			1783,
			1787,
			1789,
			1801,
			1811,
			1823,
			1831,
			1847,
			1861,
			1867,
			1871,
			1873,
			1877,
			1879,
			1889,
			1901,
			1907,
			1913,
			1931,
			1933,
			1949,
			1951,
			1973,
			1979,
			1987,
			1993,
			1997,
			1999,
			2003,
			2011,
			2017,
			2027,
			2029,
			2039,
			2053,
			2063,
			2069,
			2081,
			2083,
			2087,
			2089,
			2099,
			2111,
			2113,
			2129,
			2131,
			2137,
			2141,
			2143,
			2153,
			2161,
			2179,
			2203,
			2207,
			2213,
			2221,
			2237,
			2239,
			2243,
			2251,
			2267,
			2269,
			2273,
			2281,
			2287,
			2293,
			2297,
			2309,
			2311,
			2333,
			2339,
			2341,
			2347,
			2351,
			2357,
			2371,
			2377,
			2381,
			2383,
			2389,
			2393,
			2399,
			2411,
			2417,
			2423,
			2437,
			2441,
			2447,
			2459,
			2467,
			2473,
			2477,
			2503,
			2521,
			2531,
			2539,
			2543,
			2549,
			2551,
			2557,
			2579,
			2591,
			2593,
			2609,
			2617,
			2621,
			2633,
			2647,
			2657,
			2659,
			2663,
			2671,
			2677,
			2683,
			2687,
			2689,
			2693,
			2699,
			2707,
			2711,
			2713,
			2719,
			2729,
			2731,
			2741,
			2749,
			2753,
			2767,
			2777,
			2789,
			2791,
			2797,
			2801,
			2803,
			2819,
			2833,
			2837,
			2843,
			2851,
			2857,
			2861,
			2879,
			2887,
			2897,
			2903,
			2909,
			2917,
			2927,
			2939,
			2953,
			2957,
			2963,
			2969,
			2971,
			2999,
			3001,
			3011,
			3019,
			3023,
			3037,
			3041,
			3049,
			3061,
			3067,
			3079,
			3083,
			3089,
			3109,
			3119,
			3121,
			3137,
			3163,
			3167,
			3169,
			3181,
			3187,
			3191,
			3203,
			3209,
			3217,
			3221,
			3229,
			3251,
			3253,
			3257,
			3259,
			3271,
			3299,
			3301,
			3307,
			3313,
			3319,
			3323,
			3329,
			3331,
			3343,
			3347,
			3359,
			3361,
			3371,
			3373,
			3389,
			3391,
			3407,
			3413,
			3433,
			3449,
			3457,
			3461,
			3463,
			3467,
			3469,
			3491,
			3499,
			3511,
			3517,
			3527,
			3529,
			3533,
			3539,
			3541,
			3547,
			3557,
			3559,
			3571,
			3581,
			3583,
			3593,
			3607,
			3613,
			3617,
			3623,
			3631,
			3637,
			3643,
			3659,
			3671,
			3673,
			3677,
			3691,
			3697,
			3701,
			3709,
			3719,
			3727,
			3733,
			3739,
			3761,
			3767,
			3769,
			3779,
			3793,
			3797,
			3803,
			3821,
			3823,
			3833,
			3847,
			3851,
			3853,
			3863,
			3877,
			3881,
			3889,
			3907,
			3911,
			3917,
			3919,
			3923,
			3929,
			3931,
			3943,
			3947,
			3967,
			3989,
			4001,
			4003,
			4007,
			4013,
			4019,
			4021,
			4027,
			4049,
			4051,
			4057,
			4073,
			4079,
			4091,
			4093,
			4099,
			4111,
			4127,
			4129,
			4133,
			4139,
			4153,
			4157,
			4159,
			4177,
			4201,
			4211,
			4217,
			4219,
			4229,
			4231,
			4241,
			4243,
			4253,
			4259,
			4261,
			4271,
			4273,
			4283,
			4289,
			4297,
			4327,
			4337,
			4339,
			4349,
			4357,
			4363,
			4373,
			4391,
			4397,
			4409,
			4421,
			4423,
			4441,
			4447,
			4451,
			4457,
			4463,
			4481,
			4483,
			4493,
			4507,
			4513,
			4517,
			4519,
			4523,
			4547,
			4549,
			4561,
			4567,
			4583,
			4591,
			4597,
			4603,
			4621,
			4637,
			4639,
			4643,
			4649,
			4651,
			4657,
			4663,
			4673,
			4679,
			4691,
			4703,
			4721,
			4723,
			4729,
			4733,
			4751,
			4759,
			4783,
			4787,
			4789,
			4793,
			4799,
			4801,
			4813,
			4817,
			4831,
			4861,
			4871,
			4877,
			4889,
			4903,
			4909,
			4919,
			4931,
			4933,
			4937,
			4943,
			4951,
			4957,
			4967,
			4969,
			4973,
			4987,
			4993,
			4999,
			5003,
			5009,
			5011,
			5021,
			5023,
			5039,
			5051,
			5059,
			5077,
			5081,
			5087,
			5099,
			5101,
			5107,
			5113,
			5119,
			5147,
			5153,
			5167,
			5171,
			5179,
			5189,
			5197,
			5209,
			5227,
			5231,
			5233,
			5237,
			5261,
			5273,
			5279,
			5281,
			5297,
			5303,
			5309,
			5323,
			5333,
			5347,
			5351,
			5381,
			5387,
			5393,
			5399,
			5407,
			5413,
			5417,
			5419,
			5431,
			5437,
			5441,
			5443,
			5449,
			5471,
			5477,
			5479,
			5483,
			5501,
			5503,
			5507,
			5519,
			5521,
			5527,
			5531,
			5557,
			5563,
			5569,
			5573,
			5581,
			5591,
			5623,
			5639,
			5641,
			5647,
			5651,
			5653,
			5657,
			5659,
			5669,
			5683,
			5689,
			5693,
			5701,
			5711,
			5717,
			5737,
			5741,
			5743,
			5749,
			5779,
			5783,
			5791,
			5801,
			5807,
			5813,
			5821,
			5827,
			5839,
			5843,
			5849,
			5851,
			5857,
			5861,
			5867,
			5869,
			5879,
			5881,
			5897,
			5903,
			5923,
			5927,
			5939,
			5953,
			5981,
			5987,
			6007,
			6011,
			6029,
			6037,
			6043,
			6047,
			6053,
			6067,
			6073,
			6079,
			6089,
			6091,
			6101,
			6113,
			6121,
			6131,
			6133,
			6143,
			6151,
			6163,
			6173,
			6197,
			6199,
			6203,
			6211,
			6217,
			6221,
			6229,
			6247,
			6257,
			6263,
			6269,
			6271,
			6277,
			6287,
			6299,
			6301,
			6311,
			6317,
			6323,
			6329,
			6337,
			6343,
			6353,
			6359,
			6361,
			6367,
			6373,
			6379,
			6389,
			6397,
			6421,
			6427,
			6449,
			6451,
			6469,
			6473,
			6481,
			6491,
			6521,
			6529,
			6547,
			6551,
			6553,
			6563,
			6569,
			6571,
			6577,
			6581,
			6599,
			6607,
			6619,
			6637,
			6653,
			6659,
			6661,
			6673,
			6679,
			6689,
			6691,
			6701,
			6703,
			6709,
			6719,
			6733,
			6737,
			6761,
			6763,
			6779,
			6781,
			6791,
			6793,
			6803,
			6823,
			6827,
			6829,
			6833,
			6841,
			6857,
			6863,
			6869,
			6871,
			6883,
			6899,
			6907,
			6911,
			6917,
			6947,
			6949,
			6959,
			6961,
			6967,
			6971,
			6977,
			6983,
			6991,
			6997,
			7001,
			7013,
			7019,
			7027,
			7039,
			7043,
			7057,
			7069,
			7079,
			7103,
			7109,
			7121,
			7127,
			7129,
			7151,
			7159,
			7177,
			7187,
			7193,
			7207,
			7211,
			7213,
			7219,
			7229,
			7237,
			7243,
			7247,
			7253,
			7283,
			7297,
			7307,
			7309,
			7321,
			7331,
			7333,
			7349,
			7351,
			7369,
			7393,
			7411,
			7417,
			7433,
			7451,
			7457,
			7459,
			7477,
			7481,
			7487,
			7489,
			7499,
			7507,
			7517,
			7523,
			7529,
			7537,
			7541,
			7547,
			7549,
			7559,
			7561,
			7573,
			7577,
			7583,
			7589,
			7591,
			7603,
			7607,
			7621,
			7639,
			7643,
			7649,
			7669,
			7673,
			7681,
			7687,
			7691,
			7699,
			7703,
			7717,
			7723,
			7727,
			7741,
			7753,
			7757,
			7759,
			7789,
			7793,
			7817,
			7823,
			7829,
			7841,
			7853,
			7867,
			7873,
			7877,
			7879,
			7883,
			7901,
			7907,
			7919,
			7927,
			7933,
			7937,
			7949,
			7951,
			7963,
			7993,
			8009,
			8011,
			8017,
			8039,
			8053,
			8059,
			8069,
			8081,
			8087,
			8089,
			8093,
			8101,
			8111,
			8117,
			8123,
			8147,
			8161,
			8167,
			8171,
			8179,
			8191,
			8209,
			8219,
			8221,
			8231,
			8233,
			8237,
			8243,
			8263,
			8269,
			8273,
			8287,
			8291,
			8293,
			8297,
			8311,
			8317,
			8329,
			8353,
			8363,
			8369,
			8377,
			8387,
			8389,
			8419,
			8423,
			8429,
			8431,
			8443,
			8447,
			8461,
			8467,
			8501,
			8513,
			8521,
			8527,
			8537,
			8539,
			8543,
			8563,
			8573,
			8581,
			8597,
			8599,
			8609,
			8623,
			8627,
			8629,
			8641,
			8647,
			8663,
			8669,
			8677,
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			19861,
			19867,
			19889,
			19891,
			19913,
			19919,
			19927,
			19937,
			19949,
			19961,
			19963,
			19973,
			19979,
			19991,
			19993,
			19997
	};
	
	static int primes_count = 2262;

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
//		boolean[] furui = new boolean[20001];
//		Arrays.fill(furui, true);
//		for(int i=2; i<Math.sqrt(20001)+1; i++) {
//			if(!furui[i]) continue;
//			for(int j=2; j*i<=20000; j++) {
//				furui[j*i] = false;
//			}
//		}
//		int count = 0;
//		for(int i=2; i<=20000; i++) {
//			if(furui[i]) {
//				System.out.println(i + ","); count++;
//			}
//		}
//		System.out.println(count);
		int N = sc.nextInt();
		int[][] dp = new int[primes_count+1][N+1];
		Arrays.fill(dp[0], -1);
		dp[0][0] = 0;
		for(int i=1; i<primes_count+1; i++) {
			for(int j=0; j<=N; j++) {
				if(j-primes[i-1]>=0 && dp[i-1][j-primes[i-1]]!=-1) {
					dp[i][j] = Math.max(dp[i-1][j-primes[i-1]]+1, dp[i-1][j]);
				} else {
					dp[i][j] = dp[i-1][j];
				}
			}
		}
		System.out.println(dp[primes_count][N]);
	}
	
	// print
	static void print(String s) {
		System.out.println(s);
	}
	
	// union find lib
	// usage:
	// 最初にinitを呼ぶ
	// root: 直接は呼ばないで
	// unite: まとめる
	// same: グループ判定
	static void init(int par[], int N) {
		for(int i=0; i<N; i++) {
			par[i] = i;
		}
	}
	
	static int root(int x, int [] par) {
		if(par[x] == x) {
			return x;
		} else {
			return (par[x] = root(par[x], par));
		}
	}
	
	static boolean same(int x, int y, int[] par) {
		return root(x, par) == root(y, par);
	}
	
	static void unite(int x, int y, int[] par) {
		x = root(x, par);
		y = root(y, par);
		if(x == y) return;
		par[x] = y;
	}
	
	// end union find lib
	
	// number lib
	
	static int max(int...ls) {
		int ans = Integer.MIN_VALUE;
		for(int i=0; i<ls.length; i++) {
			ans = Math.max(ans, ls[i]);
		}
		return ans;
	}
	
	static int min(int...ls) {
		int ans = Integer.MAX_VALUE;
		for(int i=0; i<ls.length; i++) {
			ans = Math.min(ans, ls[i]);
		}
		return ans;
	}
	
	static long lcm(long a, long b) {
		return a*(b/gcd(a, b));
	}
	
	static long gcd(long a, long b) {
		long ta = Math.max(a, b);
		long tb = Math.min(a, b);
		long tmp;
		while((tmp = ta%tb) != 0) {
			ta = tb;
			tb = tmp;
		}
		return tb;
	}
	
	static long modcomb(long n, long k, long mod) {
		if(k==1) {
			return n;
		}
		
		long ans = 1;
		for(long i=n; i>=n-k+1; i--) {
			ans = (ans * i)%mod;
		}
		for(long i=k; 0<i; i--) {
			ans = (ans * modpow(i, mod-2, mod)) % mod;
		}
		return ans;
	}
	
	static long modpow(long a, long b, long mod) {
		if(b==0) return 1;
		if(b%2==0) {
			long d = modpow(a, b/2, mod);
			return (d*d)%mod;
		} else {
			return (a*modpow(a, b-1, mod))%mod;
		}
	}
	
	static int disit(long a, long d) {
		int count = 0;
		while(a!=0) {
			a = a/d;
			count++;
		}
		return count;
	}
	
	// end number lib
}
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