#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #pragma GCC optimize("fast-math") #include #include #include #include #include #include #include #include #include /* signed integer */ typedef int8_t i8; typedef int16_t i16; typedef int32_t i32; typedef int64_t i64; typedef __int128_t i128; /* unsigned integer */ typedef uint8_t u8; typedef uint16_t u16; typedef uint32_t u32; typedef uint64_t u64; typedef __uint128_t u128; /* floating point number */ typedef float f32; typedef double f64; typedef long double f80; /* io */ // -2147483648 ~ 2147483647 (> 10 ^ 9) int read_i32(void) { int c, x = 0, f = 1; while (c = getchar_unlocked(), c < 48 || c > 57) if (c == 45) f = -f; while (47 < c && c < 58) { x = x * 10 + c - 48; c = getchar_unlocked(); } return f * x; } static inline void _write_i32(int x) { if (x >= 10) _write_i32(x / 10); putchar_unlocked(x - x / 10 * 10 + 48); } void write_i32(int x) { if (x < 0) { putchar_unlocked('-'); x = -x; } _write_i32(x); } // -9223372036854775808 ~ 9223372036854775807 (> 10 ^ 18) i64 read_i64(void) { i64 c, x = 0, f = 1; while (c = getchar_unlocked(), c < 48 || c > 57) if (c == 45) f = -f; while (47 < c && c < 58) { x = x * 10 + c - 48; c = getchar_unlocked(); } return f * x; } static inline void _write_i64(i64 x) { if (x >= 10) _write_i64(x / 10); putchar_unlocked(x - x / 10 * 10 + 48); } void write_i64(i64 x) { if (x < 0) { putchar_unlocked('-'); x = -x; } _write_i64(x); } // 0 ~ 4294967295 (> 10 ^ 9) u32 in(void) { u32 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(u32 a) { if (a >= 10) out(a / 10); putchar_unlocked(a - a / 10 * 10 + 48); } // 0 ~ 18446744073709551615 (> 10 ^ 19) u64 in64(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 out64(u64 a) { if (a >= 10) out64(a / 10); putchar_unlocked(a - a / 10 * 10 + 48); } static inline void NL(void) { putchar_unlocked('\n'); } static inline void SP(void) { putchar_unlocked(' '); } #ifdef DEBUG void out_bit(u64 n) { u64 mask = (u64)1ull << (sizeof(n) * CHAR_BIT - 1); putchar_unlocked('0'); putchar_unlocked('b'); do { putchar_unlocked(mask & n ? '1' : '0'); } while (mask >>= 1); } #endif /* macro */ #define SWAP(a, b) (((a)^=(b)),((b)^=(a)),((a)^=(b))) #define MAX(a, b) ((a)>(b)?(a):(b)) #define MIN(a, b) ((a)<(b)?(a):(b)) #define REP(i,a,b) for(int i=(a), i##_len=(b);i>((64)-((s)%(64)))))) #define _ROTR(x, s) (((x)>>((s)%(64)))|(((x)<<((64)-((s)%(64)))))) #define ROTL(x, s) (((s)==(0))?(0):((((i128)(s))<(0))?(_ROTR((x),-(s))):(_ROTL((x),(s))))) #define ROTR(x, s) (((s)==(0))?(0):((((i128)(s))<(0))?(_ROTL((x),-(s))):(_ROTR((x),(s))))) /* montgomery modular multiplication 64-bit */ typedef uint64_t m64; m64 _one_64(u64 mod) { return -1ull % mod + 1; } m64 _r2_64(u64 mod) { return (u128)(i128)-1 % mod + 1; } m64 _inv_64(u64 mod) { u64 inv = mod; LOOP(__builtin_ctz(sizeof(u64) * 8) - 1) inv *= 2 - mod * inv; return inv; } m64 _reduce(u128 a, m64 inv, u64 mod) { i64 A = (a >> 64) - ((((u64)a * inv) * (u128)mod) >> 64); return A < 0 ? A + mod : (u64)A; } m64 to_m64(u64 a, m64 r2, m64 inv, u64 mod) { return _reduce((u128)a * r2, inv, mod); } u64 from_m64(m64 A, m64 inv, u64 mod) { m64 t = _reduce((u128)A, inv, mod) - mod; return t + (mod & -(t >> 63u)); } m64 add_MR_64(m64 A, m64 B, u64 mod) { A += B - (mod << 1u); A += (mod << 1u) & -(A >> 63u); return A; } m64 sub_MR_64(m64 A, m64 B, u64 mod) { A -= B; A += (mod << 1u) & -(A >> 63u); return A; } m64 min_MR_64(m64 A, u64 mod) { return sub_MR_64(0, A, mod); } m64 mul_MR_64(m64 A, m64 B, m64 inv, u64 mod) { return _reduce((u128)A * B, inv, mod); } m64 pow_MR_64(m64 A, i64 n, m64 inv, u64 mod) { m64 ret = _one_64(mod); while (n > 0) { if (n & 1) ret = mul_MR_64(ret, A, inv, mod); A = mul_MR_64(A, A, inv, mod); n >>= 1; } return ret; } m64 inv_MR_64(m64 A, m64 inv, u64 mod) { return pow_MR_64(A, (i64)mod - 2, inv, mod); } m64 div_MR_64(m64 A, m64 B, m64 inv, u64 mod) { /* assert(is_prime(mod)); */ return mul_MR_64(A, inv_MR_64(B, inv, mod), inv, mod); } m64 in_MR_64(m64 r2, m64 inv, u64 mod) { u64 c, a = 0; while (c = getchar_unlocked(), c < 48 || c > 57); while (47 < c && c < 58) { a = a * 10 + c - 48; c = getchar_unlocked(); } return to_m64(a, r2, inv, mod); } void out_MR_64(m64 A, m64 inv, u64 mod) { u64 a = from_m64(A, inv, mod); out(a); } bool miller_rabin(u64 n, u64 d, const u64 *bases, int bases_len, m64 r2, m64 inv, m64 one, m64 rev) { for (int i = 0; i < bases_len; i++) { if (n <= bases[i]) break; m64 a = to_m64(bases[i], r2, inv, n); u64 t = d; m64 y = pow_MR_64(a, t, inv, n); while (t != n - 1 && y != one && y != rev) { y = mul_MR_64(y, y, inv, n); t <<= 1; } if (y != rev && (!(t & 1))) return false; } return true; } bool is_prime(u64 n) { if (n <= 3u) return n == 2u || n == 3u; if (!(n & 1)) return false; u64 m = n - 1; m64 r2 = _r2_64(n); m64 inv = _inv_64(n); m64 one = _one_64(n); m64 rev = to_m64(m, r2, inv, n); u64 d = m >> CTZ(m); const u64 bases[] = { 2ull, 325ull, 9375ull, 28178ull, 450775ull, 9780504ull, 1795265022ull }; return miller_rabin(n, d, bases, 7, r2, inv, one, rev); } void Main(void) { int q = read_i32(); LOOP(q) { u64 x = in64(); out64(x); SP(); out(is_prime(x)); NL(); } } int main() { Main(); return 0; }