結果
問題 | No.309 シャイな人たち (1) |
ユーザー | Min_25 |
提出日時 | 2015-12-02 00:57:18 |
言語 | C++11 (gcc 11.4.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 2,204 bytes |
コンパイル時間 | 717 ms |
コンパイル使用メモリ | 60,020 KB |
実行使用メモリ | 14,208 KB |
最終ジャッジ日時 | 2024-09-14 07:31:44 |
合計ジャッジ時間 | 10,891 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
(要ログイン)
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 | TLE | - |
testcase_01 | -- | - |
testcase_02 | -- | - |
testcase_03 | -- | - |
testcase_04 | -- | - |
testcase_05 | -- | - |
testcase_06 | -- | - |
testcase_07 | -- | - |
testcase_08 | -- | - |
testcase_09 | -- | - |
testcase_10 | -- | - |
testcase_11 | -- | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
コンパイルメッセージ
main.cpp: In function ‘int main()’: main.cpp:15:19: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 15 | uint R, C; scanf("%u %u", &R, &C); | ~~~~~^~~~~~~~~~~~~~~~~ main.cpp:19:20: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 19 | uint r; scanf("%u", &r); | ~~~~~^~~~~~~~~~ main.cpp:26:12: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 26 | scanf("%u", &S[i][j]); | ~~~~~^~~~~~~~~~~~~~~~
ソースコード
#include <cstdio> #include <iostream> #include <vector> typedef unsigned uint; using namespace std; double P[11][11]; uint S[11][11]; double dp[2][2048]; double pdp[2][2048]; int main() { uint R, C; scanf("%u %u", &R, &C); for (uint i = 0; i < R; ++i) { for (uint j = 0; j < C; ++j) { uint r; scanf("%u", &r); P[i][j] = double(r) / 100; } } for (uint i = 0; i < R; ++i) { for (uint j = 0; j < C; ++j) { scanf("%u", &S[i][j]); } } uint total = 1 << C; double* curr = dp[0], *next = dp[1]; double* pcurr = pdp[0], *pnext = pdp[1]; fill(curr, curr + total, .0); fill(pcurr, pcurr + total, .0); pcurr[0] = 1.0; for (uint y = 0; y < R; ++y) { fill(next, next + total, 0); fill(pnext, pnext + total, 0); for (uint s1 = 0; s1 < total; ++s1) { if (pcurr[s1] == 0) { continue; } for (uint s2 = 0; s2 < total; ++s2) { uint points[11] = {0}; uint plus[11] = {0}; double p = 1.0; for (uint x = 0; x < C; ++x) { if (s2 & (1 << x)) { p *= P[y][x]; points[x] = 4 - S[y][x]; } else { p *= 1 - P[y][x]; points[x] = 0; } if (s1 & (1 << x)) { points[x] += 1; } } bool updated = true; while (updated) { updated = false; for (int x = 0; x < C; ++x) { uint pl = 0; if (x - 1 >= 0 && points[x - 1] >= 4) pl += 1; if (x + 1 < C && points[x + 1] >= 4) pl += 1; if (pl > plus[x]) { points[x] += pl - plus[x]; plus[x] = pl; updated = true; } } } uint nstate = 0; uint cnt = 0; for (uint x = 0; x < C; ++x) { if (points[x] >= 4) { nstate |= 1 << x; cnt += 1; } } next[nstate] += (curr[s1] + cnt * pcurr[s1]) * p; pnext[nstate] += pcurr[s1] * p; } } swap(curr, next); swap(pcurr, pnext); } double ans = 0; for (uint i = 0; i < total; ++i) { ans += curr[i]; } printf("%.12f\n", ans); return 0; }