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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#884291 | #8336. Indeterminate Equation | manizare | Compile Error | / | / | C++20 | 2.2kb | 2025-02-05 23:35:50 | 2025-02-05 23:35:50 |
Judging History
This is the latest submission verdict.
- [2025-02-05 23:35:50]
- Judged
- Verdict: Compile Error
- Time: 0ms
- Memory: 0kb
- [2025-02-05 23:35:50]
- Submitted
answer
#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#define pb push_back
#define F first
#define pii pair<int,int>
#define all(a) a.begin(),a.end()
#define S second
#define sz(a) (int)a.size()
#define rep(i , a , b) for(int i = (a) ; i <= (b) ; i++)
#define per(i , a , b) for(int i = (a) ; i >= (b) ; i--)
#define ll long long
#define int __int128
using namespace std ;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int maxn = 100+20 , maxm = 2e4 + 220, sq = 500 , inf = 1e9+10 , mod =998244353 ;
int pw(int x ,int k){
if(k==3)return x*x*x ;
if(k == 0)return 1;
int v = pw(x,k/2);
v = v*v;
if(k&1) v = v*x;
return v ;
}
signed main(){
ios_base::sync_with_stdio(false) ; cin.tie(0) ;
ll T ;
cin >> T ;
while(T--){
ll n , k ;
cin >> n >> k ;
if(k >= 4){
int x = 1 ;
int nw = 1 , ans =0 ;
while(1){
while(pw(nw , k)-pw(x, k) > n){
x++;
}
if(pw(nw , k) - pw(nw-1 , k) > n)break ;
if(pw(nw, k)-pw(x,k) == n){
ans ++ ;
}
nw++;
}
ll x2 = ans ;
cout << x2 << "\n";
continue ;
}
int x = 1 ;
int nw = 1 , ans =0 , f = 1e5;
while(1){
while(pw(nw , k)-pw(x, k) > n){
x++;
}
if(nw >= f && pw(nw , k) - pw(nw-f , k) > n)break ;
if(pw(nw, k)-pw(x,k) == n && nw - x > f){
ans ++ ;
}
nw++;
}
ll cp = ans ;
rep(i , 1 , f){
int l = 1 , r= 1e9+2 ;
while(r-l > 1){
int m = (l+r)/2 ;
int a= i , b= m*m + (m+i)*(m+i) + (m+i)*m ;
if(b <= n/a){
l = m ;
}else{
r = m ;
}
}
int m = l;
int a= i , b= m*m + (m+i)*(m+i) + (m+i)*m ;
if(a*b == n && ){
ans++ ;
}
}
ll x2= ans ;
cout << x2 << "\n";
}
}
/*
*/
详细
answer.code: In function ‘int main()’: answer.code:75:28: error: expected primary-expression before ‘)’ token 75 | if(a*b == n && ){ | ^