結果
問題 | No.309 シャイな人たち (1) |
ユーザー |
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提出日時 | 2015-12-04 19:58:29 |
言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
結果 |
AC
|
実行時間 | 2,344 ms / 4,000 ms |
コード長 | 2,846 bytes |
コンパイル時間 | 1,006 ms |
コンパイル使用メモリ | 90,596 KB |
実行使用メモリ | 20,480 KB |
最終ジャッジ日時 | 2024-09-14 13:08:04 |
合計ジャッジ時間 | 30,716 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 13 |
ソースコード
#include<cstdio>#include<cstdlib>#include<cstring>#include<cmath>//#include<cctype>#include<climits>#include<iostream>#include<string>#include<vector>#include<map>//#include<list>#include<queue>#include<deque>#include<algorithm>//#include<numeric>#include<utility>#include<complex>//#include<memory>#include<functional>#include<cassert>#include<set>#include<stack>const int dx[] = {1, 0, -1, 0};const int dy[] = {0, 1, 0, -1};using namespace std;typedef long long ll;typedef vector<int> vi;typedef vector<ll> vll;typedef pair<int, int> pii;typedef double Real;const int MAX = 11;int P[MAX][MAX], S[MAX][MAX];int memo[1<<(2*MAX)];Real pmemo[MAX][1<<MAX];Real dp[MAX+1][1<<MAX];int main() {int R, C;cin >> R >> C;for (int i = 0; i < R; i++) for (int j = 0; j < C; j++) cin >> P[i][j];for (int i = 0; i < R; i++) for (int j = 0; j < C; j++) cin >> S[i][j];for (int s = 0; s < 1<<(2*C); s++) {vector<int> rest(C);int tmp = s;for (int i = 0; i < C; i++) {rest[i] = tmp%4;tmp /= 4;}queue<int> que;for (int i = 0; i < C; i++) {if (rest[i] == 0) que.push(i);}while (!que.empty()) {int now = que.front(); que.pop();if (now-1 >= 0) {rest[now-1]--;if (rest[now-1] == 0) que.push(now-1);}if (now+1 < C) {rest[now+1]--;if (rest[now+1] == 0) que.push(now+1);}}int& result = memo[s];for (int i = 0; i < C; i++) result |= (rest[i]<=0)<<i;}for (int r = 0; r < R; r++) for (int s = 0; s < (1<<C); s++) {double& prob = pmemo[r][s];prob = 1;for (int c = 0; c < C; c++) {if ((s>>c)&1) prob *= P[r][c]/100.;else prob *= (100-P[r][c])/100.;}}dp[0][0] = 1;for (int r = 0; r < R; r++) {for (int s0 = 0; s0 < (1<<C); s0++) {if (r == 0 && s0 != 0) continue;for (int s1 = 0; s1 < (1<<C); s1++) {double prob = dp[r][s0]*pmemo[r][s1];int mask = 0;for (int c = C-1; c >= 0; c--) {int score = 0;if ((s1>>c)&1) {score = min(3, S[r][c]-((s0>>c)&1));score = max(0, score);} else {score = 3;}mask = mask*4+score;}dp[r+1][memo[mask]] += prob;}}}Real ans = 0;for (int i = 1; i <= R; i++) for (int s = 1; s < (1<<C); s++) {ans += dp[i][s] * __builtin_popcount(s);}printf("%.10lf\n", ans);return 0;}