結果
| 問題 |
No.1766 Tatsujin Remix
|
| コンテスト | |
| ユーザー |
milanis48663220
|
| 提出日時 | 2021-11-26 23:03:10 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 4,132 bytes |
| コンパイル時間 | 1,173 ms |
| コンパイル使用メモリ | 120,232 KB |
| 最終ジャッジ日時 | 2025-01-26 01:44:15 |
|
ジャッジサーバーID (参考情報) |
judge2 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 18 WA * 4 |
ソースコード
#include <iostream>
#include <algorithm>
#include <iomanip>
#include <vector>
#include <queue>
#include <deque>
#include <set>
#include <map>
#include <tuple>
#include <cmath>
#include <numeric>
#include <functional>
#include <cassert>
#define debug_value(x) cerr << "line" << __LINE__ << ":<" << __func__ << ">:" << #x << "=" << x << endl;
#define debug(x) cerr << "line" << __LINE__ << ":<" << __func__ << ">:" << x << endl;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
using namespace std;
typedef long long ll;
template<typename T>
vector<vector<T>> vec2d(int n, int m, T v){
return vector<vector<T>>(n, vector<T>(m, v));
}
template<typename T>
vector<vector<vector<T>>> vec3d(int n, int m, int k, T v){
return vector<vector<vector<T>>>(n, vector<vector<T>>(m, vector<T>(k, v)));
}
template<typename T>
void print_vector(vector<T> v, char delimiter=' '){
if(v.empty()) {
cout << endl;
return;
}
for(int i = 0; i+1 < v.size(); i++) cout << v[i] << delimiter;
cout << v.back() << endl;
}
const ll MOD = 998244353;
class ModInt{
public:
ll v;
ModInt(ll _v = 0){
if(_v < 0) _v = (_v%MOD)+MOD;
if(_v >= MOD) _v %= MOD;
v = _v;
}
ModInt operator+(ll n){
return ModInt((v+n)%MOD);
}
ModInt operator-(ll n){
return ModInt((v-n+MOD)%MOD);
}
ModInt operator*(ll n){
if(n >= MOD) n %= MOD;
return ModInt((v*n)%MOD);
}
ModInt operator/(ll n){
return ModInt((ModInt(n).inv()*v).v%MOD);
}
void operator+=(ll n){
v = (v+n)%MOD;
}
void operator-=(ll n){
v = (v-n+MOD)%MOD;
}
void operator*=(ll n){
v = (v*n+MOD)%MOD;
}
ModInt operator+(ModInt n){
return ModInt((v+n.v)%MOD);
}
ModInt operator-(ModInt n){
return ModInt((v-n.v+MOD)%MOD);
}
ModInt operator*(ModInt n){
return ModInt((v*n.v)%MOD);
}
ModInt operator/(ModInt n){
return ModInt((n.inv()*v).v%MOD);
}
void operator+=(ModInt n){
v = (v+n.v)%MOD;
}
void operator-=(ModInt n){
v = (v-n.v+MOD)%MOD;
}
void operator*=(ModInt n){
v = (v*n.v)%MOD;
}
void operator=(ModInt n){
v = n.v;
}
bool operator==(ModInt n){
return v == n.v;
}
bool operator!=(ModInt n){
return v != n.v;
}
void operator=(ll n){
v = n%MOD;
}
ModInt inv(){
if(v == 1) return ModInt(1);
else return ModInt(MOD-ModInt(MOD%v).inv().v*(MOD/v)%MOD);
}
};
ostream& operator<<(ostream& os, const ModInt& m){
os << m.v;
return os;
}
istream & operator >> (istream &in, ModInt &m){
in >> m.v;
return in;
}
using mint = ModInt;
int main(){
ios::sync_with_stdio(false);
cin.tie(0);
cout << setprecision(10) << fixed;
int n; cin >> n;
string s;
for(int i = 0; i < n; i++){
string t; cin >> t;
s += t;
}
int m = 16*n;
vector<int> v(m);
for(int i = 0; i < m; i++){
if(s[i] == '.') v[i] = 0;
if(s[i] == 'd') v[i] = 1;
if(s[i] == 'k') v[i] = 2;
}
auto dp = vec2d(m, 3, mint(0));
// print_vector(v);
auto ok = [&](int i, int j, int k) -> bool{
if(i%2 == 0 && j == 0 && k != 0) return false;
if(i%2 == 1 && j != 0 && k == 0) return false;
if(v[i] != 0 && j != v[i]) return false;
if(v[i+1] != 0 && k != v[i+1]) return false;
if(v[i] == 0 && v[i+1] != 0 && j == v[i+1]) return false;
// cout << i << endl;
return true;
};
for(int j = 0; j < 3; j++){
for(int k = 0; k < 3; k++){
if(ok(0, j, k)) dp[1][k] = 1;
}
}
for(int i = 2; i < m; i++){
for(int j = 0; j < 3; j++){
for(int k = 0; k < 3; k++){
if(ok(i-1, j, k)) dp[i][k] += dp[i-1][j];
}
}
}
cout << dp[m-1][0]+dp[m-1][1]+dp[m-1][2] << endl;
}
milanis48663220