結果
問題 | No.226 0-1パズル |
ユーザー | paruki |
提出日時 | 2016-08-18 21:44:18 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2 ms / 5,000 ms |
コード長 | 3,809 bytes |
コンパイル時間 | 1,531 ms |
コンパイル使用メモリ | 176,296 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-26 14:24:07 |
合計ジャッジ時間 | 2,205 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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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 | 1 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 1 ms
6,940 KB |
testcase_07 | AC | 1 ms
6,944 KB |
testcase_08 | AC | 1 ms
6,944 KB |
testcase_09 | AC | 1 ms
6,940 KB |
testcase_10 | AC | 1 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 1 ms
6,940 KB |
testcase_13 | AC | 2 ms
6,944 KB |
testcase_14 | AC | 1 ms
6,940 KB |
testcase_15 | AC | 2 ms
6,940 KB |
testcase_16 | AC | 2 ms
6,940 KB |
testcase_17 | AC | 2 ms
6,940 KB |
testcase_18 | AC | 2 ms
6,940 KB |
testcase_19 | AC | 2 ms
6,940 KB |
testcase_20 | AC | 2 ms
6,944 KB |
testcase_21 | AC | 2 ms
6,940 KB |
ソースコード
#include "bits/stdc++.h" using namespace std; #define FOR(i,j,k) for(int (i)=(j);(i)<(int)(k);++(i)) #define rep(i,j) FOR(i,0,j) #define each(x,y) for(auto &(x):(y)) #define mp make_pair #define all(x) (x).begin(),(x).end() #define debug(x) cout<<#x<<": "<<(x)<<endl #define smax(x,y) (x)=max((x),(y)) #define smin(x,y) (x)=min((x),(y)) #define MEM(x,y) memset((x),(y),sizeof (x)) #define sz(x) (int)(x).size() typedef long long ll; typedef pair<int, int> pii; typedef vector<int> vi; typedef vector<ll> vll; template<int MOD> class ModInt{ public: ModInt():value(0){} ModInt(long long val):value((int)(val<0?MOD+val%MOD:val%MOD)){ } ModInt& operator+=(ModInt that){ value = value+that.value; if(value>=MOD)value-=MOD; return *this; } ModInt& operator-=(ModInt that){ value -= that.value; if(value<0)value+=MOD; return *this; } ModInt& operator*=(ModInt that){ value = (int)((long long)value * that.value % MOD); return *this; } ModInt &operator/=(ModInt that){ return *this *= that.inverse(); } ModInt operator+(ModInt that) const{ return ModInt(*this)+=that; } ModInt operator-(ModInt that) const{ return ModInt(*this)-=that; } ModInt operator*(ModInt that) const{ return ModInt(*this)*=that; } ModInt operator/(ModInt that) const { return ModInt(*this) /= that; } ModInt pow(long long k) const{ if(value == 0)return 0; ModInt n = *this, res = 1; while(k){ if(k & 1)res *= n; n *= n; k >>= 1; } return res; } ModInt inverse() const { long long a = value, b = MOD, u = 1, v = 0; while(b) { long long t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } return ModInt(u); } int toi() const{ return value; } private: int value; }; typedef ModInt<1000000007> mint; ostream& operator<<(ostream& os, const mint& x){ os << x.toi(); return os; } string nstr(){ static const int MAX_LEN = 101; static char res_[MAX_LEN]; scanf("%s",res_); return string(res_); } int H, W; vector<string> S; // i列目まで見た、連続が存在した、前の列の値 mint dp[1001][2][2]; void solve(){ string A(W, '0'), B(W, '0'); rep(i, W){ if(i & 1)A[i] = '1'; else B[i] = '1'; } mint ans = 1; rep(y, H){ int okA = 1, okB = 1; rep(x, W){ if(S[y][x] == '?')continue; if(S[y][x] != A[x])okA = 0; if(S[y][x] != B[x])okB = 0; } ans *= okA + okB; } rep(i, W + 1)rep(j, 2)rep(k, 2)dp[i][j][k] = 0; if(S[0][0] == '?')dp[1][0][0] = dp[1][0][1] = 1; else dp[1][0][S[0][0] - '0'] = 1; FOR(x, 1, W){ vi curs; if(S[0][x] != '1')curs.push_back(0); if(S[0][x] != '0')curs.push_back(1); rep(suc, 2){ rep(pre, 2){ each(cur, curs){ int hoge = pre, piyo = cur; bool ok = true; rep(y, H){ ok &= S[y][x - 1] == '?' || S[y][x - 1] - '0' == hoge; ok &= S[y][x] == '?' || S[y][x] - '0' == piyo; if(!ok)break; hoge = 1 - hoge; piyo = 1 - piyo; } if(ok)dp[x + 1][suc | (pre == cur)][cur] += dp[x][suc][pre]; } } } } ans += dp[W][1][0] + dp[W][1][1]; cout << ans << endl; } int main(){ while(cin >> H >> W){ S.resize(H); rep(i, H)S[i] = nstr(); solve(); } }