結果
問題 | No.3030 ミラー・ラビン素数判定法のテスト |
ユーザー | Jashinchan |
提出日時 | 2022-09-02 17:53:38 |
言語 | C (gcc 12.3.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 9,129 bytes |
コンパイル時間 | 521 ms |
コンパイル使用メモリ | 44,604 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-11-15 22:27:55 |
合計ジャッジ時間 | 1,143 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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 | 1 ms
5,248 KB |
testcase_01 | AC | 1 ms
5,248 KB |
testcase_02 | AC | 1 ms
5,248 KB |
testcase_03 | AC | 1 ms
5,248 KB |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
ソースコード
#pragma GCC optimize("O3") #pragma GCC target("avx2") #pragma GCC optimize("unroll-loops") #pragma GCC optimize("fast-math") #define _GNU_SOURCE #include <stdbool.h> #include <stdint.h> #include <stdio.h> #include <stdlib.h> #include <assert.h> #include <limits.h> #include <math.h> #include <string.h> #include <time.h> typedef int8_t i8; typedef int16_t i16; typedef int32_t i32; typedef int64_t i64; typedef __int128_t i128; typedef uint8_t u8; typedef uint16_t u16; typedef uint32_t u32; typedef uint64_t u64; typedef __uint128_t u128; typedef float f32; typedef double f64; typedef long double f80; #define MIN(a, b) ((a) < (b) ? (a) : (b)) #define MAX(a, b) ((a) > (b) ? (a) : (b)) #define SWAP_REF(a, b) \ do { \ (a) ^= (b); \ (b) ^= (a); \ (a) ^= (b); \ } \ while(0); #define CTZ32(a) ((a) ? __builtin_ctz((a)) : (32)) #define CTZ64(a) ((a) ? __builtin_ctzll((a)) : (64)) #define CLZ32(a) ((a) ? __builtin_clz((a)) : (32)) #define CLZ64(a) ((a) ? __builtin_clzll((a)) : (64)) #define POPCNT32(a) ((a) ? __builtin_popcount((a)) : (0)) #define POPCNT64(a) ((a) ? __builtin_popcountll((a)) : (0)) #define MSB32(a) ((a) ? ((31) - __builtin_clz((a))) : (-1)) #define MSB64(a) ((a) ? ((63) - __builtin_clzll((a))) : (-1)) #define LSBit(a) ((a) & (-(a))) #define CLSBit(a) ((a) & ((a) - (1))) #define _ROTL32_INNER(x, l) (((x) << (l)) | ((x) >> ((-l) & (31)))) #define _ROTR32_INNER(x, r) (((x) >> (r)) | ((x) << ((-r) & (31)))) #define _ROTL64_INNER(x, l) (((x) << (l)) | ((x) >> ((-l) & (63)))) #define _ROTR64_INNER(x, r) (((x) >> (r)) | ((x) << ((-r) & (63)))) #define ROTR32(x, r) (((r) < (0)) ? (_ROTL32_INNER((x), ((u64)(-r) % (32)))) : (_ROTR32_INNER((x), ((r) % (32))))) #define ROTL32(x, l) ROTR32((x), (-l)) #define ROTR64(x, r) (((r) < (0)) ? (_ROTL64_INNER((x), ((u64)(-r) % (64)))) : (_ROTR64_INNER((x), ((r) % (64))))) #define ROTL64(x, l) ROTR64((x), (-l)) #define BIT_FLOOR32(a) ((a) ? (1u) << MSB32((a)) : (0)) #define BIT_FLOOR64(a) ((a) ? (1ull) << MSB64((a)) : (0)) #define BIT_CEIL32_REF(a) \ do { \ --(a); \ (a) |= (a) >> (1); \ (a) |= (a) >> (2); \ (a) |= (a) >> (4); \ (a) |= (a) >> (8); \ (a) |= (a) >> (16); \ (a)++; \ } while(0); #define BIT_CEIL64_REF(a) \ do { \ --(a); \ (a) |= (a) >> (1); \ (a) |= (a) >> (2); \ (a) |= (a) >> (4); \ (a) |= (a) >> (8); \ (a) |= (a) >> (16); \ (a) |= (a) >> (32); \ (a)++; \ } while(0); u64 in(void) { u64 c, x = 0; while (c = getchar_unlocked(), c < 48 || c > 57); while (47 < c && c < 58) { x = x * 10 + c - 48; c = getchar_unlocked(); } return x; } void out(u64 x) { if (x >= 10) out((((u128)x * 14757395258967641293ull) >> 3) >> 64); putchar_unlocked(x - ((((u128)x * 14757395258967641293ull) >> 3) >> 64) * 10 + 48); } //----------------------------------------------------------------------------- // util.c //----------------------------------------------------------------------------- u64 gcd64(u64 a, u64 b) { if (!a || !b) return a | b; u64 sh = __builtin_ctzll(a | b); a >>= __builtin_ctzll(a); do { b >>= __builtin_ctzll(b); if (a > b) SWAP_REF(a, b); b -= a; } while (b); return a << sh; } int jacobi_symbol(i64 a, u64 n) { int j = 1; while (a) { if (a < 0) { a = -a; if ((n & 3) == 3) { j = -j; } } int s = __builtin_ctzll(a); a >>= s; if (((n & 7) == 3 || (n & 7) == 5) && (s & 1)) { j = -j; } if ((a & n & 3) == 3) { j = -j; } SWAP_REF(a, n); a %= n; if ((u64)(a) > n / 2) { a -= n; } } return n == 1 ? j : 0; } //----------------------------------------------------------------------------- // primality_test.c //----------------------------------------------------------------------------- u64 mr64(u128 a, u64 n, u64 ni) { u64 y = (u64)(a >> 64) - (u64)(((u128)((u64)a * ni) * n) >> 64); return (i64)y < 0 ? y + n : y; } u64 add_m64(u64 a, u64 b, u64 n) { a += b; a -= (a >= n ? n : 0); return a; } u64 sub_m64(u64 a, u64 b, u64 n) { a += (a < b ? n : 0); a -= b; return a; } u64 mul_m64(u64 a, u64 b, u64 n, u64 ni) { return mr64((u128)a * b, n, ni); } u64 sqr_m64(u64 a, u64 n, u64 ni) { return mr64((u128)a * a, n, ni); } u64 pow_m64(u64 a, u64 k, u64 n, u64 ni, u64 r) { u64 ret = r, A = a, deg = k; while (deg > 0) { if (deg & 1) { ret = mul_m64(ret, A, n, ni); } A = mul_m64(A, A, n, ni); deg >>= 1; } return ret; } u64 twi_m64(u64 a, u64 n) { return (a <<= 1) >= n ? a - n : a; } u64 half_m64(u64 a, u64 n) { return (a & 1) ? ((a >> 1) + (n >> 1) + 1) : (a >> 1); } int is_prime(u64 n) { { if (n < 2) return 0; if (n < 4) return 1; if (!(n & 1)) return 0; } if (n < 1000ull) { for (int i = 5; i * i <= n; i += 6) { if (n % i == 0 || n % (i + 2) == 0) return 0; } return 1; } if (gcd64(15ull, n) > 1ull) { return 0; } u64 r = (u64)(i64)-1 % n + 1; u64 r2 = (u128)(i128)-1 % n + 1; u64 ni = n; ni *= 2 - ni * n; ni *= 2 - ni * n; ni *= 2 - ni * n; ni *= 2 - ni * n; ni *= 2 - ni * n; u64 two = mr64((u128)r2 * 2, n, ni); u64 rev = mr64((u128)r2 * (n - 1), n, ni); { u64 lhs = pow_m64(two, (n - 1) / 2, n, ni, r); if (lhs != r || lhs != rev) return 0; } // if (n < 4294967296ull) // { // u64 bases[] = { 2ull, 7ull, 61ull }; // int s = __builtin_ctzll(n - 1); // u64 d = (n - 1) >> s; // for (int i = 0; i < 3; ++i) // { // if (bases[i] >= n) break; // u64 a = mr64((u128)r2 * bases[i], n, ni); // u64 c = pow_m64(a, d, n, ni, r); // if (c == r) continue; // int f = 0; // for (int q = 0; q < s && f == 0; ++q) // { // f |= (c == rev); // c = sqr_m64(c, n, ni); // } // if (f == 0) return 0; // } // return 1; // } // { // u64 a = 4294967295ull; // u64 A = mr64((u128)r2 * a, n, ni); // int x = jacobi_symbol(a, n); // u64 y = (x == -1) ? rev : (x == 0 ? 0 : r); // if (y == 0 || y != pow_m64(A, (n - 1) / 2, n, ni, r)) // return 0; // } { u64 d = (n - 1) << __builtin_clzll(n - 1); u64 t = two; for (d <<= 1; d; d <<= 1) { t = sqr_m64(t, n, ni); if (d >> 63) t = twi_m64(t, n); } if (t != r) { u64 x = LSBit(n - 1); for (x >>= 1; t != rev; x >>= 1) { if (x == 0) return 0; t = sqr_m64(t, n, ni); } } } { i64 D = 5; for (int i = 0; jacobi_symbol(D, n) != -1 && i < 64; ++i) { if (i == 32) { u64 k = round(sqrtl(n)); if (k * k == n) return 0; } if (i & 1) D -= 2; else D += 2; D = -D; } u64 Q = mr64((u128)r2 * ((D < 0) ? ((1 - D) / 4 % n) : (n - (D - 1) / 4 % n)), n, ni); u64 u = r, v = r, Qn = Q; u64 k = (n + 1) << __builtin_clzll(n + 1); D %= (i64)n; D = mr64((u128)r2 * ((D < 0) ? ((i64)n + D) : D), n, ni); for (k <<= 1; k; k <<= 1) { u = mul_m64(u, v, n, ni); v = sub_m64(mul_m64(v, v, n, ni), add_m64(Qn, Qn, n), n); Qn = sqr_m64(Qn, n, ni); if (k >> 63) { u64 uu = add_m64(u, v, n); uu = half_m64(uu, n); v = add_m64(mul_m64(D, u, n, ni), v, n); v = half_m64(v, n); u = uu; Qn = mul_m64(Qn, Q, n, ni); } } if (u == 0 || v == 0) return 1; u64 x = (n + 1) & ~n; for (x >>= 1; x; x >>= 1) { u = mul_m64(u, v, n, ni); v = sub_m64(sqr_m64(v, n, ni), add_m64(Qn, Qn, n), n); if (v == 0) return 1; Qn = sqr_m64(Qn, n, ni); } } return 0; } int main(void) { u64 T = in(); while (T--) { u64 x = in(); out(x); putchar_unlocked(' '); out(is_prime(x)); putchar_unlocked('\n'); } return 0; }