Submission #1882447
Source Code Expand
#include <algorithm> #include <iostream> #include <cstring> #include <cstdio> #include <cmath> using namespace std; typedef long long s64; const int L = 18; s64 delta; s64 prePow[L + 1]; s64 solve(int l, bool first, s64 delta) { if (abs(delta) >= prePow[l]) return 0; if (l <= 1) return l ? (delta ? 0 : 10) : 1; s64 res = 0; s64 pow = prePow[l - 1] - 1; for (int d = -9; d <= 9; ++d) if ((delta - d * pow) % 10 == 0) res += solve(l - 2, false, (delta - d * pow) / 10) * (10 - abs(d) - first); return res; } int main() { cin >> delta; prePow[0] = 1; for (int i = 1; i <= L; ++i) prePow[i] = prePow[i - 1] * 10; s64 res = 0; for (int i = 1; i <= L; ++i) res += solve(i, true, delta); cout << res << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | F - Mirrored |
User | InvUsr |
Language | C++14 (GCC 5.4.1) |
Score | 800 |
Code Size | 797 Byte |
Status | AC |
Exec Time | 1 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 800 / 800 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | a01, a02, a03 |
All | a01, a02, a03, b04, b05, b06, b07, b08, b09, b10, b11, b12, b13, b14, b15, b16, b17, b18, b19, b20, b21, b22, b23, b24, b25, b26, b27, b28, b29, b30, b31, b32, b33, b34, b35, b36, b37, b38, b39, b40, b41, b42, b43, b44, b45, b46, b47, b48, b49, b50, b51, b52, b53, b54, b55, b56, b57, b58, b59, b60, b61, b62, b63 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
a01 | AC | 1 ms | 256 KB |
a02 | AC | 1 ms | 256 KB |
a03 | AC | 1 ms | 256 KB |
b04 | AC | 1 ms | 256 KB |
b05 | AC | 1 ms | 256 KB |
b06 | AC | 1 ms | 256 KB |
b07 | AC | 1 ms | 256 KB |
b08 | AC | 1 ms | 256 KB |
b09 | AC | 1 ms | 256 KB |
b10 | AC | 1 ms | 256 KB |
b11 | AC | 1 ms | 256 KB |
b12 | AC | 1 ms | 256 KB |
b13 | AC | 1 ms | 256 KB |
b14 | AC | 1 ms | 256 KB |
b15 | AC | 1 ms | 256 KB |
b16 | AC | 1 ms | 256 KB |
b17 | AC | 1 ms | 256 KB |
b18 | AC | 1 ms | 256 KB |
b19 | AC | 1 ms | 256 KB |
b20 | AC | 1 ms | 256 KB |
b21 | AC | 1 ms | 256 KB |
b22 | AC | 1 ms | 256 KB |
b23 | AC | 1 ms | 256 KB |
b24 | AC | 1 ms | 256 KB |
b25 | AC | 1 ms | 256 KB |
b26 | AC | 1 ms | 256 KB |
b27 | AC | 1 ms | 256 KB |
b28 | AC | 1 ms | 256 KB |
b29 | AC | 1 ms | 256 KB |
b30 | AC | 1 ms | 256 KB |
b31 | AC | 1 ms | 256 KB |
b32 | AC | 1 ms | 256 KB |
b33 | AC | 1 ms | 256 KB |
b34 | AC | 1 ms | 256 KB |
b35 | AC | 1 ms | 256 KB |
b36 | AC | 1 ms | 256 KB |
b37 | AC | 1 ms | 256 KB |
b38 | AC | 1 ms | 256 KB |
b39 | AC | 1 ms | 256 KB |
b40 | AC | 1 ms | 256 KB |
b41 | AC | 1 ms | 256 KB |
b42 | AC | 1 ms | 256 KB |
b43 | AC | 1 ms | 256 KB |
b44 | AC | 1 ms | 256 KB |
b45 | AC | 1 ms | 256 KB |
b46 | AC | 1 ms | 256 KB |
b47 | AC | 1 ms | 256 KB |
b48 | AC | 1 ms | 256 KB |
b49 | AC | 1 ms | 256 KB |
b50 | AC | 1 ms | 256 KB |
b51 | AC | 1 ms | 256 KB |
b52 | AC | 1 ms | 256 KB |
b53 | AC | 1 ms | 256 KB |
b54 | AC | 1 ms | 256 KB |
b55 | AC | 1 ms | 256 KB |
b56 | AC | 1 ms | 256 KB |
b57 | AC | 1 ms | 256 KB |
b58 | AC | 1 ms | 256 KB |
b59 | AC | 1 ms | 256 KB |
b60 | AC | 1 ms | 256 KB |
b61 | AC | 1 ms | 256 KB |
b62 | AC | 1 ms | 256 KB |
b63 | AC | 1 ms | 256 KB |