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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#715241 | #8834. Formal Fring | IllusionaryWhiteTraveler | AC ✓ | 63ms | 7536kb | C++20 | 1.2kb | 2024-11-06 11:01:28 | 2024-11-06 11:01:29 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
const int MAX_N = 1000000 + 5;
const int P = 998244353;
int N, M, f[MAX_N], g[20];
inline int add(int a, int b) {return a + b < P ? a + b : a + b - P;}
int main() {
ios::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
cin >> N;
for (M = 0; (1 << M + 1) <= N; M ++);
f[0] = 1;
for (int i = 0; i <= M; i ++) {
int k = 1 << i;
for (int j = 0; j + k <= N; j ++) {
f[j + k] = add(f[j + k], f[j]);
}
}
for (int i = 1; i <= M; i ++) {
g[i] = f[(1 << i) - 1];
for (int j = 1; j < i; j ++) {
g[i] = (g[i] - 1ll * f[(1 << j) - 1] * g[i - j] + 1ll * P * P) % P;
}
}
for (int i = 1, j, k; i <= N; i ++) {
int ans = 0;
for (j = M; ~ i >> j & 1; j --);
for (k = j; k >= 0 && i >> k & 1; k --);
if (k < 0) {
ans = f[i];
}else {
for (k ++; k <= j; k ++) {
ans = (ans + 1ll * f[i & (1 << k) - 1] * g[j - k + 1]) % P;
}
}
cout << ans << "\n "[i < N];
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3660kb
input:
10
output:
1 1 2 1 1 3 6 1 1 2
result:
ok 10 numbers
Test #2:
score: 0
Accepted
time: 0ms
memory: 3596kb
input:
70
output:
1 1 2 1 1 3 6 1 1 2 2 5 5 11 26 1 1 2 2 4 4 6 6 11 11 16 16 27 27 53 166 1 1 2 2 4 4 6 6 10 10 14 14 20 20 26 26 37 37 48 48 64 64 80 80 107 107 134 134 187 187 353 1626 1 1 2 2 4 4 6
result:
ok 70 numbers
Test #3:
score: 0
Accepted
time: 63ms
memory: 7536kb
input:
1000000
output:
1 1 2 1 1 3 6 1 1 2 2 5 5 11 26 1 1 2 2 4 4 6 6 11 11 16 16 27 27 53 166 1 1 2 2 4 4 6 6 10 10 14 14 20 20 26 26 37 37 48 48 64 64 80 80 107 107 134 134 187 187 353 1626 1 1 2 2 4 4 6 6 10 10 14 14 20 20 26 26 36 36 46 46 60 60 74 74 94 94 114 114 140 140 166 166 203 203 240 240 288 288 336 336 400 ...
result:
ok 1000000 numbers
Extra Test:
score: 0
Extra Test Passed