結果
| 問題 | No.1682 Unfair Game |
| ユーザー |
 suta28407928
|
| 提出日時 | 2021-09-17 22:49:57 |
| 言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 5,299 bytes |
| コンパイル時間 | 2,272 ms |
| コンパイル使用メモリ | 184,892 KB |
| 実行使用メモリ | 6,944 KB |
| 最終ジャッジ日時 | 2024-06-29 21:37:44 |
| 合計ジャッジ時間 | 2,931 ms |
|
ジャッジサーバーID （参考情報） |
judge5 / judge4 |
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テストケース
テストケース表示| 入力 | 結果 | 実行時間 実行使用メモリ |
|---|---|---|
| testcase_00 | AC | 2 ms
6,812 KB |
| testcase_01 | AC | 2 ms
6,944 KB |
| testcase_02 | WA | - |
| testcase_03 | WA | - |
| testcase_04 | AC | 1 ms
6,940 KB |
| testcase_05 | WA | - |
| testcase_06 | AC | 2 ms
6,944 KB |
| testcase_07 | AC | 1 ms
6,940 KB |
| testcase_08 | WA | - |
| testcase_09 | AC | 1 ms
6,944 KB |
| testcase_10 | WA | - |
| testcase_11 | AC | 1 ms
6,940 KB |
| testcase_12 | AC | 2 ms
6,940 KB |
| testcase_13 | AC | 2 ms
6,944 KB |
| testcase_14 | AC | 1 ms
6,944 KB |
| testcase_15 | AC | 1 ms
6,940 KB |
| testcase_16 | AC | 2 ms
6,944 KB |
| testcase_17 | AC | 2 ms
6,940 KB |
| testcase_18 | AC | 1 ms
6,944 KB |
| testcase_19 | WA | - |
| testcase_20 | AC | 2 ms
6,944 KB |
| testcase_21 | WA | - |
ソースコード
#pragma GCC target("avx2")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
#define DEBUG
#ifdef DEBUG
template <class T, class U>
ostream &operator<<(ostream &os, const pair<T, U> &p) {
os << '(' << p.first << ',' << p.second << ')';
return os;
}
template <class T> ostream &operator<<(ostream &os, const vector<T> &v) {
os << '{';
for(int i = 0; i < (int)v.size(); i++) {
if(i) { os << ','; }
os << v[i];
}
os << '}';
return os;
}
void debugg() { cerr << endl; }
template <class T, class... Args>
void debugg(const T &x, const Args &... args) {
cerr << " " << x;
debugg(args...);
}
#define debug(...) \
cerr << __LINE__ << " [" << #__VA_ARGS__ << "]: ", debugg(__VA_ARGS__)
#define dump(x) cerr << __LINE__ << " " << #x << " = " << (x) << endl
#else
#define debug(...) (void(0))
#define dump(x) (void(0))
#endif
using namespace std;
typedef long long ll;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<char> vc;
typedef vector<string> vs;
typedef vector<bool> vb;
typedef vector<double> vd;
typedef pair<ll,ll> P;
typedef pair<int,int> pii;
typedef vector<P> vpl;
typedef tuple<ll,ll,ll> tapu;
#define rep(i,n) for(int i=0; i<(n); i++)
#define REP(i,a,b) for(int i=(a); i<(b); i++)
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
const int inf = (1<<30)-1;
const ll linf = 1LL<<61;
const int MAX = 510000;
int dy[8] = {0,1,0,-1,1,-1,-1,1};
int dx[8] = {-1,0,1,0,1,-1,1,-1};
const double pi = acos(-1);
const double eps = 1e-7;
template<typename T1,typename T2> inline bool chmin(T1 &a,T2 b){
if(a>b){
a = b; return true;
}
else return false;
}
template<typename T1,typename T2> inline bool chmax(T1 &a,T2 b){
if(a<b){
a = b; return true;
}
else return false;
}
template<typename T> inline void print(T &a){
int sz = a.size();
for(auto itr = a.begin(); itr != a.end(); itr++){
cout << *itr;
sz--;
if(sz) cout << " ";
}
cout << "\n";
}
template<typename T1,typename T2> inline void print2(T1 a, T2 b){
cout << a << " " << b << "\n";
}
template<typename T1,typename T2,typename T3> inline void print3(T1 a, T2 b, T3 c){
cout << a << " " << b << " " << c << "\n";
}
void mark() {cout << "#" << "\n";}
ll pcount(ll x) {return __builtin_popcountll(x);}
//#include <atcoder/all>
//using namespace atcoder;
const int mod = 1e9 + 7;
//const int mod = 998244353;
template <int mod> struct ModInt {
int x;
ModInt() : x(0) {}
ModInt(int64_t y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {}
ModInt &operator+=(const ModInt &p) {
if((x += p.x) >= mod) x -= mod;
return *this;
}
ModInt &operator-=(const ModInt &p) {
if((x += mod - p.x) >= mod) x -= mod;
return *this;
}
ModInt &operator*=(const ModInt &p) {
x = (int)(1LL * x * p.x % mod);
return *this;
}
ModInt &operator/=(const ModInt &p) {
*this *= p.inverse();
return *this;
}
ModInt operator-() const { return ModInt(-x); }
ModInt operator+(const ModInt &p) const { return ModInt(*this) += p; }
ModInt operator-(const ModInt &p) const { return ModInt(*this) -= p; }
ModInt operator*(const ModInt &p) const { return ModInt(*this) *= p; }
ModInt operator/(const ModInt &p) const { return ModInt(*this) /= p; }
bool operator==(const ModInt &p) const { return x == p.x; }
bool operator!=(const ModInt &p) const { return x != p.x; }
ModInt inverse() const {
int a = x, b = mod, u = 1, v = 0, t;
while(b > 0) {
t = a / b;
swap(a -= t * b, b);
swap(u -= t * v, v);
}
return ModInt(u);
}
ModInt pow(int64_t n) const {
ModInt ret(1), mul(x);
while(n > 0) {
if(n & 1) ret *= mul;
mul *= mul;
n >>= 1;
}
return ret;
}
friend ostream &operator<<(ostream &os, const ModInt &p) {
return os << p.x;
}
friend istream &operator>>(istream &is, ModInt &a) {
int64_t t;
is >> t;
a = ModInt<mod>(t);
return (is);
}
static int get_mod() { return mod; }
};
using mint = ModInt<mod>;
mint dp[2][5];
int main(){
int n; cin >> n;
vl p(n); rep(i,n) cin >> p[i];
dp[0][0] = 1;
rep(i,n){
rep(j,5) dp[1][j] = dp[0][j];
if(p[i] == 100){
dp[1][0] += dp[0][4];
dp[1][4] += dp[0][0];
dp[1][1] += dp[0][3];
dp[1][3] += dp[0][1];
dp[1][2] += dp[0][2];
}else if(p[i] > 50){
dp[1][1] += dp[0][3] + dp[0][4];
dp[1][3] += dp[0][0] + dp[0][1];
dp[1][2] += dp[0][2];
}else if(p[i] == 50){
dp[1][2] += dp[0][0] + dp[0][2] + dp[0][4];
dp[1][1] += dp[0][1];
dp[1][3] += dp[0][3];
}else if(p[i] > 0){
dp[1][1] += dp[0][1] + dp[0][0];
dp[1][3] += dp[0][3] + dp[0][4];
dp[1][2] += dp[0][2];
}else{
rep(j,5) dp[1][j] += dp[0][j];
}
swap(dp[0],dp[1]);
}
cout << dp[0][3] + dp[0][4] << endl;
}