結果
問題 | No.309 シャイな人たち (1) |
ユーザー |
![]() |
提出日時 | 2015-12-02 08:06:52 |
言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
結果 |
AC
|
実行時間 | 152 ms / 4,000 ms |
コード長 | 2,854 bytes |
コンパイル時間 | 901 ms |
コンパイル使用メモリ | 95,368 KB |
実行使用メモリ | 71,328 KB |
最終ジャッジ日時 | 2024-09-14 07:51:18 |
合計ジャッジ時間 | 2,768 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 13 |
コンパイルメッセージ
main.cpp: In function ‘int main()’: main.cpp:97:30: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 97 | scanf("%d", &p); | ~~~~~^~~~~~~~~~ main.cpp:101:30: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 101 | scanf("%d", &S[i][j]); | ~~~~~^~~~~~~~~~~~~~~~
ソースコード
#include <string>#include <vector>#include <algorithm>#include <numeric>#include <set>#include <map>#include <queue>#include <iostream>#include <sstream>#include <cstdio>#include <cmath>#include <ctime>#include <cstring>#include <cctype>#include <cassert>#include <limits>#include <functional>#define rep(i,n) for(int (i)=0;(i)<(int)(n);++(i))#define rer(i,l,u) for(int (i)=(int)(l);(i)<=(int)(u);++(i))#define reu(i,l,u) for(int (i)=(int)(l);(i)<(int)(u);++(i))#if defined(_MSC_VER) || __cplusplus > 199711L#define aut(r,v) auto r = (v)#else#define aut(r,v) __typeof(v) r = (v)#endif#define each(it,o) for(aut(it, (o).begin()); it != (o).end(); ++ it)#define all(o) (o).begin(), (o).end()#define pb(x) push_back(x)#define mp(x,y) make_pair((x),(y))#define mset(m,v) memset(m,v,sizeof(m))#define INF 0x3f3f3f3f#define INFL 0x3f3f3f3f3f3f3f3fLLusing namespace std;typedef vector<int> vi; typedef pair<int,int> pii; typedef vector<pair<int,int> > vpii; typedef long long ll;template<typename T, typename U> inline void amin(T &x, U y) { if(y < x) x = y; }template<typename T, typename U> inline void amax(T &x, U y) { if(x < y) x = y; }int R, C;vector<vector<double> > P;vector<vi> S;pair<double, double> memo[11][12][1 << 11][8][2];pair<double,double> rec(int i, int j, int bag, int pt, int pdep) {auto &rr = memo[i][j][bag][pt][pdep];if(rr.first == rr.first)return rr;double &rP = rr.first, &rE = rr.second;rP = rE = 0;if(j == C) {if(pt == 0 && pdep == 0) {if(i == R - 1) {rP = 1;rE = 0;} else {rer(npt, 0, 7) {auto t = rec(i + 1, 0, bag, npt, 0);rP += t.first;rE += t.second;}}}return make_pair(rP, rE);}int c = pt >= 4; //最終的に手を挙げるかどうかrep(b, 2) { //最初に知ってたかどうかint xpt = 0;xpt += b * (4 - S[i][j]);if(0 < i) xpt += (bag >> (C - 1) & 1);int nbag = ((bag << 1) & ~(1 << C)) | c;double p = b == 1 ? P[i][j] : 1 - P[i][j];int deppt = pt < 4 ? 0 : max(0, 4 - xpt);rer(npt, 0, 7) {bool left = 0 < j && (bag >> 0 & 1);bool right = npt >= 4;if(xpt + left + right != pt) continue;int ndep = max(0, deppt - (left && pdep == 0 ? 1 : 0));if(ndep > (right ? 1 : 0)) continue;auto t = rec(i, j + 1, nbag, npt, ndep);rP += t.first * p;rE += (t.second + t.first * c) * p;}}return make_pair(rP, rE);}int main() {while(~scanf("%d%d", &R, &C)) {P.assign(R, vector<double>(C));S.assign(R, vi(C));rep(i, R) rep(j, C) {int p;scanf("%d", &p);P[i][j] = p / 100.;}rep(i, R) rep(j, C) {scanf("%d", &S[i][j]);}mset(memo, -1);double rP = 0, rE = 0;rer(pt, 0, 7) {auto t = rec(0, 0, 0, pt, 0);rP += t.first;rE += t.second;}double ans = rE;printf("%.10f\n", ans);}return 0;}