結果
| 問題 |
No.1666 累乗数
|
| コンテスト | |
| ユーザー |
LayCurse
|
| 提出日時 | 2021-09-03 21:34:08 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 4,884 bytes |
| コンパイル時間 | 2,348 ms |
| コンパイル使用メモリ | 220,500 KB |
| 最終ジャッジ日時 | 2025-01-24 04:57:42 |
|
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | WA * 19 |
ソースコード
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("inline")
#include<bits/stdc++.h>
using namespace std;
template<class T> struct cLtraits_identity{
using type = T;
}
;
template<class T> using cLtraits_try_make_signed =
typename conditional<
is_integral<T>::value,
make_signed<T>,
cLtraits_identity<T>
>::type;
template <class S, class T> struct cLtraits_common_type{
using tS = typename cLtraits_try_make_signed<S>::type;
using tT = typename cLtraits_try_make_signed<T>::type;
using type = typename common_type<tS,tT>::type;
}
;
template<class S, class T> inline auto max_L(S a, T b)
-> typename cLtraits_common_type<S,T>::type{
return (typename cLtraits_common_type<S,T>::type) a >= (typename cLtraits_common_type<S,T>::type) b ? a : b;
}
inline int my_getchar_unlocked(){
static char buf[1048576];
static int s = 1048576;
static int e = 1048576;
if(s == e && e == 1048576){
e = fread_unlocked(buf, 1, 1048576, stdin);
s = 0;
}
if(s == e){
return EOF;
}
return buf[s++];
}
inline void rd(int &x){
int k;
int m=0;
x=0;
for(;;){
k = my_getchar_unlocked();
if(k=='-'){
m=1;
break;
}
if('0'<=k&&k<='9'){
x=k-'0';
break;
}
}
for(;;){
k = my_getchar_unlocked();
if(k<'0'||k>'9'){
break;
}
x=x*10+k-'0';
}
if(m){
x=-x;
}
}
inline void rd(long long &x){
int k;
int m=0;
x=0;
for(;;){
k = my_getchar_unlocked();
if(k=='-'){
m=1;
break;
}
if('0'<=k&&k<='9'){
x=k-'0';
break;
}
}
for(;;){
k = my_getchar_unlocked();
if(k<'0'||k>'9'){
break;
}
x=x*10+k-'0';
}
if(m){
x=-x;
}
}
inline int rd_int(void){
int x;
rd(x);
return x;
}
struct MY_WRITER{
char buf[1048576];
int s;
int e;
MY_WRITER(){
s = 0;
e = 1048576;
}
~MY_WRITER(){
if(s){
fwrite_unlocked(buf, 1, s, stdout);
}
}
}
;
MY_WRITER MY_WRITER_VAR;
void my_putchar_unlocked(int a){
if(MY_WRITER_VAR.s == MY_WRITER_VAR.e){
fwrite_unlocked(MY_WRITER_VAR.buf, 1, MY_WRITER_VAR.s, stdout);
MY_WRITER_VAR.s = 0;
}
MY_WRITER_VAR.buf[MY_WRITER_VAR.s++] = a;
}
inline void wt_L(char a){
my_putchar_unlocked(a);
}
inline void wt_L(long long x){
int s=0;
int m=0;
char f[20];
if(x<0){
m=1;
x=-x;
}
while(x){
f[s++]=x%10;
x/=10;
}
if(!s){
f[s++]=0;
}
if(m){
my_putchar_unlocked('-');
}
while(s--){
my_putchar_unlocked(f[s]+'0');
}
}
template<class T> inline T pow2_L(T a){
return a*a;
}
template<class T, class S> inline T pow_L(T a, S b){
T res = 1;
res = 1;
for(;;){
if(b&1){
res *= a;
}
b >>= 1;
if(b==0){
break;
}
a *= a;
}
return res;
}
inline double pow_L(double a, double b){
return pow(a,b);
}
inline long long Isqrt_f_L(const long long n){
long long r = sqrt(n);
r =max_L(r-2, 0);
while((pow2_L((r+1)))<= n ){
r++;
}
return r;
}
long long Ikthroot(long long N, long long k){
long long res;
if(k==1){
return N;
}
if(k==2){
return Isqrt_f_L(N);
}
res = pow(N, 1.0 / k);
res =max_L(res-10, 0);
while((pow_L((res+1),k))<= N ){
res++;
}
return res;
}
int main(){
int i, xr20shxY;
int chk[70] = {};
for(i=(1);i<(10);i++){
int j;
for(j=(2);j<(10);j++){
int k;
k =(pow_L(i,j));
if(k < 70){
chk[k] = 1;
}
}
}
int WYIGIcGE = rd_int();
for(xr20shxY=(0);xr20shxY<(WYIGIcGE);xr20shxY++){
long long K;
rd(K);
long long res;
long long cnt;
long long k;
long long ao_dF3pO;
long long tU__gIr_;
long long a2conNHc;
ao_dF3pO = 1;
tU__gIr_ = 1000000000000000000LL;
while(ao_dF3pO < tU__gIr_){
if((ao_dF3pO + tU__gIr_)%2==0){
a2conNHc = (ao_dF3pO + tU__gIr_) / 2;
}
else{
a2conNHc = (ao_dF3pO + tU__gIr_ - 1) / 2;
}
cnt = 1;
for(i=(1);i<(62);i++){
if(!chk[i]){
cnt += Ikthroot(a2conNHc,i) - 1;
}
}
if(cnt >= K){
tU__gIr_ = a2conNHc;
}
else{
ao_dF3pO = a2conNHc + 1;
}
}
res =tU__gIr_;
wt_L(res);
wt_L('\n');
}
return 0;
}
// cLay version 20210819-1 [beta]
// --- original code ---
// ll Ikthroot(ll N, ll k){
// ll res;
// if(k==1) return N;
// if(k==2) return Isqrt_f(N);
// res = pow(N, 1.0 / k);
// res = max(res-10, 0);
// while( (res+1) ** k <= N ) res++;
// return res;
// }
//
// {
// int chk[70] = {};
// rep(i,1,10) rep(j,2,10){
// int k;
// k = i ** j;
// if(k < 70) chk[k] = 1;
// }
// REP(rd_int()){
// ll @K, res, cnt, k;
// res = bsearch_min[ll,x,1,1d18][
// cnt = 1;
// rep(i,1,62) if(!chk[i]) cnt += Ikthroot(x,i) - 1;
// ](cnt >= K);
// wt(res);
// }
// }
LayCurse