結果
| 問題 |
No.2249 GCDistance
|
| コンテスト | |
| ユーザー |
 shakayami
|
| 提出日時 | 2023-03-17 22:57:01 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 7,866 bytes |
| コンパイル時間 | 1,017 ms |
| コンパイル使用メモリ | 67,144 KB |
| 最終ジャッジ日時 | 2025-02-11 14:09:45 |
|
ジャッジサーバーID （参考情報） |
judge5 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 1 TLE * 9 |
コンパイルメッセージ
main.cpp:9: warning: "_GNU_SOURCE" redefined
9 | #define _GNU_SOURCE
|
<command-line>: note: this is the location of the previous definition
ソースコード
#pragma region opt
#pragma GCC optimize("O3")
#pragma GCC target("avx2")
// #pragma GCC optimize("fast-math")
// #pragma GCC optimize("unroll-loops")
#pragma endregion opt
#pragma region header
#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>
#pragma endregion header
#pragma region type
/* 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;
#pragma endregion type
#pragma region macro
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#define MAX(a, b) (((a) > (b)) ? (a) : (b))
#define SWAP(a, b) (((a) ^= (b)), ((b) ^= (a)), ((a) ^= (b)))
#define POPCNT32(a) __builtin_popcount((a))
#define POPCNT64(a) __builtin_popcountll((a))
#define CTZ32(a) __builtin_ctz((a))
#define CLZ32(a) __builtin_clz((a))
#define CTZ64(a) __builtin_ctzll((a))
#define CLZ64(a) __builtin_clzll((a))
#define HAS_SINGLE_BIT32(a) (__builtin_popcount((a)) == (1))
#define HAS_SINGLE_BIT64(a) (__builtin_popcountll((a)) == (1))
#define MSB32(a) ((31) - __builtin_clz((a)))
#define MSB64(a) ((63) - __builtin_clzll((a)))
#define BIT_WIDTH32(a) ((a) ? ((32) - __builtin_clz((a))) : (0))
#define BIT_WIDTH64(a) ((a) ? ((64) - __builtin_clzll((a))) : (0))
#define LSBit(a) ((a) & (-(a)))
#define CLSBit(a) ((a) & ((a) - (1)))
#define BIT_CEIL32(a) ((!(a)) ? (1) : ((POPCNT32(a)) == (1) ? ((1u) << ((31) - CLZ32((a)))) : ((1u) << ((32) - CLZ32(a)))))
#define BIT_CEIL64(a) ((!(a)) ? (1) : ((POPCNT64(a)) == (1) ? ((1ull) << ((63) - CLZ64((a)))) : ((1ull) << ((64) - CLZ64(a)))))
#define BIT_FLOOR32(a) ((!(a)) ? (0) : ((1u) << ((31) - CLZ32((a)))))
#define BIT_FLOOR64(a) ((!(a)) ? (0) : ((1ull) << ((63) - CLZ64((a)))))
#define _ROTL64(x, s) (((x) << ((s) % (64))) | (((x) >> ((64) - ((s) % (64))))))
#define _ROTR64(x, s) (((x) >> ((s) % (64))) | (((x) << ((64) - ((s) % (64))))))
#define ROTL64(x, s) (((s) == (0)) ? (x) : ((((i128)(s)) < (0)) ? (_ROTR64((x), -(s))) : (_ROTL64((x), (s)))))
#define ROTR64(x, s) (((s) == (0)) ? (x) : ((((i128)(s)) < (0)) ? (_ROTL64((x), -(s))) : (_ROTR64((x), (s)))))
#pragma endregion macro
#pragma region io
static inline int read_int(void) {
// -2147483648 ～ 2147483647 (> 10 ^ 9)
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 i32 in_i32(void) {
// -2147483648 ～ 2147483647 (> 10 ^ 9)
i32 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 u32 in_u32(void) {
// 0 ～ 4294967295 (> 10 ^ 9)
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;
}
static inline i64 in_i64(void) {
// -9223372036854775808 ～ 9223372036854775807 (> 10 ^ 18)
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 u64 in_u64(void) {
// 0 ～ 18446744073709551615 (> 10 ^ 19)
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;
}
static inline void write_int_inner(int x) {
if (x >= 10) write_int_inner(x / 10);
putchar_unlocked(x - x / 10 * 10 + 48);
}
static inline void write_int(int x) {
if (x < 0) {
putchar_unlocked('-');
x = -x;
}
write_int_inner(x);
}
static inline void out_i32_inner(i32 x) {
if (x >= 10) out_i32_inner(x / 10);
putchar_unlocked(x - x / 10 * 10 + 48);
}
static inline void out_i32(i32 x) {
if (x < 0) {
putchar_unlocked('-');
x = -x;
}
out_i32_inner(x);
}
static inline void out_u32(u32 x) {
if (x >= 10) out_u32(x / 10);
putchar_unlocked(x - x / 10 * 10 + 48);
}
static inline void out_i64_inner(i64 x) {
if (x >= 10) out_i64_inner(x / 10);
putchar_unlocked(x - x / 10 * 10 + 48);
}
static inline void out_i64(i64 x) {
if (x < 0) {
putchar_unlocked('-');
x = -x;
}
out_i64_inner(x);
}
static inline void out_u64(u64 x) {
if (x >= 10) out_u64(x / 10);
putchar_unlocked(x - x / 10 * 10 + 48);
}
static inline void NL(void) { putchar_unlocked('\n'); }
static inline void SP(void) { putchar_unlocked(' '); }
#pragma endregion io
#pragma region totient sum
int primes[9592];
static inline int isqrt(i64 n) {
int x = sqrtl(n);
return x;
}
static inline i64 divide(i64 n, i64 d) { return (f64)n / d; }
i64 phi(int p, int e) {
i64 ret = p - 1;
while (e --> 1) ret *= p;
return ret;
}
i128 sum_of_totient_function_rec(i64 n, i64 N, int beg, i64 coef, i64 *s1, i128 *l1, int v, int *primes, int p_cnt) {
if (!coef) return 0;
i128 ret = (i128)coef * (n > v ? l1[divide(N, n)] : s1[n]);
for (int i = beg; i < p_cnt; i++) {
i64 p = primes[i];
i64 q = p * p;
if (q > n) break;
i64 nn = divide(n, q);
for (int e = 2; nn > 0; nn = divide(nn, p), e++) {
i64 coeff = phi(p, e) - phi(p, 1) * phi(p, e - 1);
ret += sum_of_totient_function_rec(nn, N, i + 1, coef * coeff, s1, l1, v, primes, p_cnt);
}
}
return ret;
}
i64 sum_of_totient_function(i64 N) {
const int v = isqrt(N);
int p_cnt = 0;
i64 *s0 = (i64 *)calloc(v + 1, sizeof(i64));
i64 *s1 = (i64 *)calloc(v + 1, sizeof(i64));
i64 *l0 = (i64 *)calloc(v + 1, sizeof(i64));
i128 *l1 = (i128 *)calloc(v + 1, sizeof(i128));
for (int i = 1; i <= v; i++) {
s0[i] = i - 1;
s1[i] = (i64)i * (i + 1) / 2 - 1;
}
for (int i = 1; i <= v; i++) {
l0[i] = N / i - 1;
l1[i] = (i128)(N / i) * (N / i + 1) / 2 - 1;
}
for (int p = 2; p <= v; p++) if (s0[p] > s0[p - 1]) {
primes[p_cnt] = p;
p_cnt++;
i64 q = (i64)p * p;
i64 M = N / p;
i64 t0 = s0[p - 1];
i64 t1 = s1[p - 1];
int t = v / p;
int u = MIN((i64)v, N / q);
for (int i = 1; i <= t; i++) {
l0[i] -= (l0[i * p] - t0);
l1[i] -= (l1[i * p] - t1) * p;
}
for (int i = t + 1; i <= u; i++) {
l0[i] -= (s0[divide(M, i)] - t0);
l1[i] -= (s1[divide(M, i)] - t1) * p;
}
for (int i = v; i >= q; i--) {
s0[i] -= (s0[divide(i, p)] - t0);
s1[i] -= (s1[divide(i, p)] - t1) * p;
}
}
for (int i = 1; i <= v; i++) s1[i] -= s0[i];
for (int i = 1; i <= v; i++) l1[i] -= l0[i];
for (int pcn = p_cnt - 1; pcn >= 0; pcn--) {
int p = primes[pcn];
i64 q = (i64)p * p;
i64 M = N / p;
i64 s = s1[p - 1];
int t = v / p;
int u = MIN((i64)v, N / q);
for (i64 i = q; i <= v; i++) s1[i] += (s1[divide(i, p)] - s) * phi(p, 1);
for (int i = u; i > t; i--) l1[i] += (s1[divide(M, i)] - s) * phi(p, 1);
for (int i = t; i >= 1; i--) l1[i] += (l1[i * p] - s) * phi(p, 1);
}
for (int i = 1; i <= v; i++) s1[i] += 1;
for (int i = 1; i <= v; i++) l1[i] += 1;
i64 ret = sum_of_totient_function_rec(N, N, 0, 1, s1, l1, v, primes, p_cnt);
free(s0);
free(s1);
free(l0);
free(l1);
return ret;
}
#pragma endregion totient sum
void Main(void) {
i64 N = in_i64();
i64 res=2*sum_of_totient_function(N)-1;
i64 ans=(2*N*N-res);
ans-=2*N-1;
ans/=2;
out_i64(ans);
NL();
}
int main(void) {
i64 T=in_i64();
for(int i=0;i<T;i++){
Main();
}
return 0;
}