結果
| 問題 |
No.2541 Divide 01 String
|
| コンテスト | |
| ユーザー |
syndro_6
|
| 提出日時 | 2023-11-24 21:25:01 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,507 bytes |
| コンパイル時間 | 1,952 ms |
| コンパイル使用メモリ | 195,312 KB |
| 最終ジャッジ日時 | 2025-02-17 23:41:48 |
|
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 15 WA * 5 |
ソースコード
// (◕ᴗ◕✿)
#include <bits/stdc++.h>
#define rep(i, n) for (ll i = 0; i < (n); i++)
#define srep(i, s, n) for (ll i = s; i < (n); i++)
#define len(x) ((int)(x).size())
#define all(x) (x).begin(), (x).end()
using namespace std;
template<typename T> using vc = vector<T>;
template<typename T> using vv = vc<vc<T>>;
template<typename T> using vvv = vv<vc<T>>;
using vi = vc<int>;using vvi = vv<int>; using vvvi = vv<vi>;
using ll = long long;using vl = vc<ll>;using vvl = vv<ll>; using vvvl = vv<vl>;
using ld = long double; using vld = vc<ld>; using vvld = vc<vld>; using vvvld = vc<vvld>;
using uint = unsigned int;
using ull = unsigned long long;
const ld pi = 3.141592653589793;
const int inf = 0x3f3f3f3f;
const ll INF = 0x3f3f3f3f3f3f3f3f;
// const ll mod = 1000000007;
const ll mod = 998244353;
inline bool inside(long long y, long long x, long long H, long long W) {return 0 <= (y) and (y) < (H) and 0 <= (x) and (x) < (W); }
#define debug(var) do{std::cout << #var << " : \n";view(var);}while(0)
template<typename T> void view(T e){cout << e << endl;}
template<typename T> void view(const vc<T>& v){for(const auto& e : v){ cout << e << " "; } cout << endl;}
template<typename T> void view(const vv<T>& vv){ for(const auto& v : vv){ view(v); } }
template<ll Mod> struct modint {
ll val;
using mint = modint;
modint() {};
modint(ll v) {
if (0 <= v && v < Mod) val = v;
else{
v %= Mod;
if (v < 0) v += Mod;
val = v;
}
}
mint operator++(int){
val++;
if (val == Mod) val = 0;
return *this;
}
mint operator--(int){
if (val == 0) val = Mod;
val--;
return *this;
}
mint& operator+=(const mint& v){
val += v.val;
if (val >= Mod) val -= Mod;
return *this;
}
friend mint operator+(const mint& u, const mint& v){
return mint(u) += v;
}
mint& operator-=(const mint& v){
val -= v.val;
if (val < 0) val += Mod;
return *this;
}
friend mint operator-(const mint& u, const mint& v){
return mint(u) -= v;
}
mint& operator*=(const mint& v){
val *= v.val;
if (val >= Mod) val %= Mod;
return *this;
}
friend mint operator*(const mint& u, const mint& v){
return mint(u) *= v;
}
mint pow(ll n){
mint a = *this, ret = 1;
while (n > 0){
if (n & 1) ret *= a;
a *= a;
n >>= 1;
}
return ret;
}
mint operator/=(const mint& v){
val *= mint(v).pow(Mod - 2).val;
if (val >= Mod) val %= Mod;
return *this;
}
friend mint operator/(const mint& u, const mint& v){
return mint(u) /= v;
}
friend bool operator==(const mint& u, const mint& v){
return u.val == v.val;
}
friend bool operator!=(const mint& u, const mint& v){
return u.val != v.val;
}
friend bool operator>(const mint& u, const mint& v){
return u.val > v.val;
}
friend bool operator<(const mint& u, const mint& v){
return u.val < v.val;
}
};
using mint = modint<mod>;
int main(){
int N; cin >> N;
string S; cin >> S;
while (S.back() == '0')S.pop_back();
reverse(all(S));
mint ret = 1;
ll cnt = 0;
for (auto s : S){
if (s == '1'){
ret *= (cnt + 1);
cnt = 1;
}else cnt++;
}
cout << ret.val << endl;
}
syndro_6