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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#744567 | #9619. 乘积,欧拉函数,求和 | BaseAI# | Compile Error | / | / | C++23 | 3.2kb | 2024-11-13 22:27:05 | 2024-11-13 22:27:07 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N = 3007;
const int mod = 998244353;
int n;
vector<int> P;
bool visP[N];
void InitPrime() {
visP[1] = 1;
for(int i=2;i<N;++i) {
if(!visP[i]) P.push_back(i);
for(auto p : P) {
if(p*i >= N) break;
visP[p * i] = 1;
if(i%p == 0) break;
}
}
}
typedef pair<int,int> pii;
#define mp make_pair
vector<pair<pii, vector<int>>> vec[N];
int MaxFac(int x,int &s,vector<int> &cnt) {
for(int i=0;i<16;++i) {
auto p = P[i];
if(x%p == 0) s |= (1ll << i);
while(x%p == 0) x /= p, ++cnt[i];
}
return x;
}
const int M = 16;
const int S = (1<<M);
int f[2][S][2];
void add(int &x,int y) {
x = (x + y) % mod;
}
int& mul(int &x,int y) {
return x = (long long)x * y % mod;
}
/*int Pow(int x,int y) {
if(y <= 0) return 1;
int res = 1, base = x;
while(y) {
if(y&1) res = res*base % mod;
base = base*base % mod;
y >>= 1;
}
return res;
}*/
const int MAXN=1e5+3;
int Pow[16][MAXN];
void InitPow() {
for(int i=0;i<16;++i) {
Pow[i][0] = 1;
for(int j=1;j<MAXN;++j) {
Pow[i][j] = Pow[i][j-1] * P[i] % mod;
}
}
}
void solve() {
InitPow();
cin >> n;
vector<int> a(n);
for(int i=0;i<n;++i) cin >> a[i];
set<int> st;
for(auto x : a) {
int s = 0;
vector<int> cnt(16, 0);
int fac = MaxFac(x, s, cnt);
vec[fac].push_back(mp(mp(x, s), cnt));
st.insert(fac);
}
int now = 1, last = 0;
f[last][0][1] = 1;
for(auto y : st) {
for(int s=0;s<S;++s) {
add(f[last][s][0], f[last][s][1]);
f[last][s][1] = 0;
}
//cout << "test:: " << f[last][0][0] << "\n";
for(auto [tmp, xcnt] : vec[y]) {
auto [x, xs] = tmp;
for(int s=0;s<S;++s) {
f[now][s][0] = f[last][s][0];
f[now][s][1] = f[last][s][1];
}
for(int s=0;s<S;++s) {
int fir = xs & (xs^s);
int sec = xs & (s);
int val = 1;
for(int j=0;j<16;++j) {
if(!(xs&(1<<j)))continue;
if(fir & (1ll<<j)) mul(val, P[j]-1);
if(sec & (1ll<<j)) mul(val, P[j]);
//val = val*Pow(P[j], xcnt[j]-1);
if(xcnt[j]-1 >= 1) mul(val, Pow[j][xcnt[j]-1]);
//if((fir & (1ll<<j) )==(sec & (1ll<<j)) && ((fir & (1ll<<j)) == 1)) cout << "wa" << "\n";
}
add(f[now][s|xs][1], mul(mul(f[last][s][0], val), max(1, y-1)) );
add(f[now][s|xs][1], mul(mul(f[last][s][1], val), y) );
}
now ^= 1, last ^= 1;
}
}
int ans = 0;
for(int s=0;s<S;++s) {
//cout << f[last][s][0] << " " << f[last][s][1] << "\n";
add(ans, f[last][s][0]+f[last][s][1]);
}
cout << ans << "\n";
}
signed main()
{
ios::sync_with_stdio(0);
cin.tie(0);
InitPrime();
solve();
return 0;
}
详细
answer.code: In function ‘void solve()’: answer.code:100:70: error: no matching function for call to ‘max(int, long long int)’ 100 | add(f[now][s|xs][1], mul(mul(f[last][s][0], val), max(1, y-1)) ); | ~~~^~~~~~~~ In file included from /usr/include/c++/13/algorithm:60, from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:51, from answer.code:1: /usr/include/c++/13/bits/stl_algobase.h:257:5: note: candidate: ‘template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)’ 257 | max(const _Tp& __a, const _Tp& __b) | ^~~ /usr/include/c++/13/bits/stl_algobase.h:257:5: note: template argument deduction/substitution failed: answer.code:100:70: note: deduced conflicting types for parameter ‘const _Tp’ (‘int’ and ‘long long int’) 100 | add(f[now][s|xs][1], mul(mul(f[last][s][0], val), max(1, y-1)) ); | ~~~^~~~~~~~ /usr/include/c++/13/bits/stl_algobase.h:303:5: note: candidate: ‘template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)’ 303 | max(const _Tp& __a, const _Tp& __b, _Compare __comp) | ^~~ /usr/include/c++/13/bits/stl_algobase.h:303:5: note: template argument deduction/substitution failed: answer.code:100:70: note: deduced conflicting types for parameter ‘const _Tp’ (‘int’ and ‘long long int’) 100 | add(f[now][s|xs][1], mul(mul(f[last][s][0], val), max(1, y-1)) ); | ~~~^~~~~~~~ In file included from /usr/include/c++/13/algorithm:61: /usr/include/c++/13/bits/stl_algo.h:5795:5: note: candidate: ‘template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)’ 5795 | max(initializer_list<_Tp> __l) | ^~~ /usr/include/c++/13/bits/stl_algo.h:5795:5: note: template argument deduction/substitution failed: answer.code:100:70: note: mismatched types ‘std::initializer_list<_Tp>’ and ‘int’ 100 | add(f[now][s|xs][1], mul(mul(f[last][s][0], val), max(1, y-1)) ); | ~~~^~~~~~~~ /usr/include/c++/13/bits/stl_algo.h:5805:5: note: candidate: ‘template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)’ 5805 | max(initializer_list<_Tp> __l, _Compare __comp) | ^~~ /usr/include/c++/13/bits/stl_algo.h:5805:5: note: template argument deduction/substitution failed: answer.code:100:70: note: mismatched types ‘std::initializer_list<_Tp>’ and ‘int’ 100 | add(f[now][s|xs][1], mul(mul(f[last][s][0], val), max(1, y-1)) ); | ~~~^~~~~~~~