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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#615181 | #8834. Formal Fring | ucup-team2432# | WA | 52ms | 157568kb | C++17 | 2.1kb | 2024-10-05 17:47:54 | 2024-10-05 17:47:58 |
Judging History
answer
#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/hash_policy.hpp>
#define ll long long
#define all(v) v.begin(),v.end()
#define sz(v) ((ll)v.size())
#define V vector
#define vi V<int>
#define vll V<ll>
#define eb emplace_back
#define pii pair<int,int>
#define pll pair<ll,ll>
#define fi first
#define se second
#define A array
#define pb push_back
#define mset multiset
#define gpumap __gnu_pbds::gp_hash_table
#define ccumap __gnu_pbds::cc_hash_table
#define ui unsigned int
#define ull unsigned ll
#define i128 __int128
#define cerr if (test) cerr
#define freopen if (test) freopen
#define whtest if (test)
using namespace std;
const int test = 0;
namespace jhsy {
constexpr int P = 998244353;
const int N = 1e6,LG = __lg(N);
A<A<ll,N+1>,LG+1> f;
void init(const int n = N,const int lg = LG) {
f[lg][0] = 1;
for (int i = lg; i >= 0; --i) {
int b = 1 << i;
if (i < lg) {
for (int j = 0; j <= n; ++j) {
f[i][j] = (f[i][j] + f[i+1][j]) % P;
}
}
for (int j = b; j <= n; ++j) {
f[i][j] = (f[i][j] + f[i][j - b]) % P;
}
}
}
void main() {
auto solve = [&](int n) -> ll {
if (n == 1) {
return 1;
}
const int lg = __lg(n);
const int a = 1<<(lg-1),b = n-a,d = (1<<lg)-1,c = n-d;
if (max(a,c) > min(b,d)) {
return f[0][n];
}
if (a > c) {
return f[0][n-(1<<lg)];
}
else {
ll res = 0;
for (int i = lg; i >= 0; i--) {
if ((1<<lg)-(1<<i) < c) {
ll k = f[0][(1<<(lg-i))-1];
int t = c-((1<<lg)-(1<<i));
if ((n&((1<<i)-1)) < t) {
res = (res+k*f[0][(n&((1<<i)-1))])%P;
}
}
}
return res;
}
};
int n;
cin >> n;
for (int i = 1; i <= n; i++) {
cout << solve(i) << " \n"[i == n];
}
}
}
int main() {
freopen("test.in","r",stdin);
freopen("test.out","w",stdout);
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout << fixed << setprecision(20);
jhsy::init();
int T = 1;
// cin >> T;
while (T--) {
jhsy::main();
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 52ms
memory: 157516kb
input:
10
output:
1 1 2 1 1 3 6 1 1 2
result:
ok 10 numbers
Test #2:
score: -100
Wrong Answer
time: 36ms
memory: 157568kb
input:
70
output:
1 1 2 1 1 3 6 1 1 2 2 5 5 10 26 1 1 2 2 4 4 6 6 11 11 16 16 26 26 42 166 1 1 2 2 4 4 6 6 10 10 14 14 20 20 26 26 37 37 48 48 64 64 80 80 106 106 132 132 174 174 242 1626 1 1 2 2 4 4 6
result:
wrong answer 14th numbers differ - expected: '11', found: '10'