結果
| 問題 |
No.1186 長方形の敷き詰め
|
| コンテスト | |
| ユーザー |
kaage
|
| 提出日時 | 2020-08-01 18:23:33 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 7 ms / 2,000 ms |
| コード長 | 4,901 bytes |
| コンパイル時間 | 924 ms |
| コンパイル使用メモリ | 119,668 KB |
| 実行使用メモリ | 11,488 KB |
| 最終ジャッジ日時 | 2024-07-08 03:11:50 |
| 合計ジャッジ時間 | 1,918 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 24 |
ソースコード
#line 2 "/Users/kaage/Desktop/ProgrammingWorkspace/library/other/template.hpp"
#define _CRT_SECURE_NO_WARNINGS
#pragma target("avx")
#pragma optimize("O3")
#pragma optimize("unroll-loops")
#include <algorithm>
#include <bitset>
#include <cassert>
#include <cfloat>
#include <climits>
#include <cmath>
#include <complex>
#include <ctime>
#include <deque>
#include <fstream>
#include <functional>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <list>
#include <map>
#include <memory>
#include <queue>
#include <random>
#include <set>
#include <stack>
#include <string>
#include <string.h>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
#define rep(i,n) for(int i=0;i<(lint)(n);i++)
#define REP(i,n) for(int i=1;i<=(lint)(n);i++)
#define all(V) V.begin(),V.end()
typedef long long lint;
typedef unsigned long long ulint;
typedef std::pair<int, int> P;
typedef std::pair<lint, lint> LP;
constexpr int INF = INT_MAX/2;
constexpr lint LINF = LLONG_MAX/2;
constexpr double eps = DBL_EPSILON;
constexpr double PI=3.141592653589793238462643383279;
template<class T>
class prique :public std::priority_queue<T, std::vector<T>, std::greater<T>> {};
template <class T, class U>
inline bool chmax(T& lhs, const U& rhs) {
if (lhs < rhs) {
lhs = rhs;
return 1;
}
return 0;
}
template <class T, class U>
inline bool chmin(T& lhs, const U& rhs) {
if (lhs > rhs) {
lhs = rhs;
return 1;
}
return 0;
}
inline lint gcd(lint a, lint b) {
while (b) {
lint c = a;
a = b; b = c % b;
}
return a;
}
inline lint lcm(lint a, lint b) {
return a / gcd(a, b) * b;
}
bool isprime(lint n) {
if (n == 1)return false;
for (int i = 2; i * i <= n; i++) {
if (n % i == 0)return false;
}
return true;
}
template<typename T>
T mypow(T a, lint b) {
if (!b)return T(1);
if (b & 1)return mypow(a, b - 1) * a;
T memo = mypow(a, b >> 1);
return memo * memo;
}
lint modpow(lint a, lint b, lint m) {
if (!b)return 1;
if (b & 1)return modpow(a, b - 1, m) * a % m;
lint memo = modpow(a, b >> 1, m);
return memo * memo % m;
}
template<typename T>
void printArray(std::vector<T>& vec) {
rep(i, vec.size() - 1)std::cout << vec[i] << " ";
std::cout << vec.back() << std::endl;
}
template<typename T>
void printArray(T l, T r) {
T rprev = r;
rprev--;
for (T i = l; i != rprev; i++) {
std::cout << *i << " ";
}
std::cout << *rprev << std::endl;
}
#line 3 "/Users/kaage/Desktop/ProgrammingWorkspace/library/algebraic/ModInt.hpp"
class ModInt {
lint value;
public:
static const unsigned int modulo;
ModInt() : value(0) {}
template<typename T>
ModInt(T value = 0) : value(value) {
if (value < 0)value = -(lint)(-value % modulo) + modulo;
this->value = value % modulo;
}
inline operator int()const { return value; }
inline ModInt& operator+=(const ModInt& x) {
value += x.value;
if (value >= modulo)value -= modulo;
return *this;
}
inline ModInt& operator++() {
if (value == modulo - 1)value = 0;
else value++;
return *this;
}
inline ModInt operator-()const {
return ModInt(0) -= *this;
}
inline ModInt& operator-=(const ModInt& x) {
value -= x.value;
if (value < 0)value += modulo;
return *this;
}
inline ModInt& operator--() {
if (value == 0)value = modulo - 1;
else value--;
return *this;
}
inline ModInt& operator*=(const ModInt& x) {
value = value * x.value % modulo;
return *this;
}
inline ModInt& operator/=(ModInt rhs) {
int exp = modulo - 2;
while (exp) {
if (exp & 1)*this *= rhs;
rhs *= rhs;
exp >>= 1;
}
return *this;
}
template<typename T> ModInt operator+(const T& rhs)const { return ModInt(*this) += rhs; }
template<typename T> ModInt& operator+=(const T& rhs) { return operator+=(ModInt(rhs)); }
template<typename T> ModInt operator-(const T& rhs)const { return ModInt(*this) -= rhs; }
template<typename T> ModInt& operator-=(const T& rhs) { return operator-=(ModInt(rhs)); }
template<typename T> ModInt operator*(const T& rhs)const { return ModInt(*this) *= rhs; }
template<typename T> ModInt& operator*=(const T& rhs) { return operator*=(ModInt(rhs)); }
template<typename T> ModInt operator/(const T& rhs)const { return ModInt(*this) /= rhs; }
template<typename T> ModInt& operator/=(const T& rhs) { return operator/=(ModInt(rhs)); }
};
std::istream& operator>>(std::istream& ist, ModInt& x) {
lint a;
ist >> a;
x = a;
return ist;
}
#line 3 "main.cpp"
const unsigned int ModInt::modulo=998244353;
int n,m;
ModInt dp[1000010];
int main(){
scanf("%d %d",&n,&m);
if(n==1){
puts("1");
return 0;
}
dp[0]=1;
rep(i,m){
dp[i+1]+=dp[i];
if(i+n<=m)dp[i+n]+=dp[i];
}
std::cout<<dp[m]<<std::endl;
}
kaage