結果
| 問題 |
No.506 限られたジャパリまん
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2017-07-04 23:18:48 |
| 言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 4,533 bytes |
| コンパイル時間 | 12,578 ms |
| コンパイル使用メモリ | 273,496 KB |
| 最終ジャッジ日時 | 2025-01-05 01:10:34 |
|
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| other | TLE * 25 |
コンパイルメッセージ
main.cpp: In member function '{anonymous}::MaiScanner& {anonymous}::MaiScanner::operator>>(std::string&)':
main.cpp:72:9: warning: no return statement in function returning non-void [-Wreturn-type]
72 | }
| ^
ソースコード
#pragma GCC optimize ("O3")
#pragma GCC target ("avx")
#include "bits/stdc++.h" // define macro "/D__MAI"
using namespace std;
typedef long long int ll;
#define debugv(v) printf("L%d %s => ",__LINE__,#v);for(auto e:v){cout<<e<<" ";}cout<<endl;
#define debugm(m) printf("L%d %s is..\n",__LINE__,#m);for(auto v:m){for(auto e:v){cout<<e<<" ";}cout<<endl;}
#define debuga(m,w) printf("L%d %s is => ",__LINE__,#m);for(int x=0;x<(w);x++){cout<<(m)[x]<<" ";}cout<<endl;
#define debugaa(m,w,h) printf("L%d %s is..\n",__LINE__,#m);for(int y=0;y<(h);y++){for(int x=0;x<(w);x++){cout<<(m)[x][y]<<" ";}cout<<endl;}
#define debugaar(m,w,h) printf("L%d %s is..\n",__LINE__,#m);for(int y=0;y<(h);y++){for(int x=0;x<(w);x++){cout<<(m)[y][x]<<" ";}cout<<endl;}
#define ALL(v) (v).begin(),(v).end()
#define repeat(l) for(auto cnt=0;cnt<(l);++cnt)
#define iterate(b,e) for(auto cnt=(b);cnt!=(e);++cnt)
#define MD 1000000007ll
#define PI 3.1415926535897932384626433832795
template<typename T1, typename T2>
ostream& operator <<(ostream &o, const pair<T1, T2> p) { o << "(" << p.first << ":" << p.second << ")"; return o; }
#define TIME chrono::system_clock::now()
#define MILLISEC(t) (chrono::duration_cast<chrono::milliseconds>(t).count())
namespace {
std::chrono::system_clock::time_point ttt;
void tic() { ttt = TIME; }
void toc() { fprintf(stderr, "TIME : %lldms\n", MILLISEC(TIME - ttt)); }
std::chrono::system_clock::time_point tle = TIME;
#ifdef __MAI
void safe_tle(int msec) { assert(MILLISEC(TIME - tle) < msec); }
#else
#define safe_tle(k) ;
#endif
}
#ifdef __MAI
#define getchar_unlocked getchar
#define putchar_unlocked putchar
#endif
#ifdef __VSCC
#define getchar_unlocked _getchar_nolock
#define putchar_unlocked _putchar_nolock
#endif
namespace {
#define isvisiablechar(c) (0x21<=(c)&&(c)<=0x7E)
class MaiScanner {
public:
template<typename T>
void input_integer(T& var) {
var = 0;
T sign = 1;
int cc = getchar_unlocked();
for (; cc<'0' || '9'<cc; cc = getchar_unlocked())
if (cc == '-') sign = -1;
for (; '0' <= cc&&cc <= '9'; cc = getchar_unlocked())
var = (var << 3) + (var << 1) + cc - '0';
var = var*sign;
}
inline int c() { return getchar_unlocked(); }
inline MaiScanner& operator>>(int& var) {
input_integer<int>(var);
return *this;
}
inline MaiScanner& operator>>(long long& var) {
input_integer<long long>(var);
return *this;
}
inline MaiScanner& operator>>(string& var) {
int cc = getchar_unlocked();
for (; !isvisiablechar(cc); cc = getchar_unlocked());
for (; isvisiablechar(cc); cc = getchar_unlocked())
var.push_back(cc);
}
};
}
MaiScanner scanner;
int height, width, kei, pe;
string friends[16];
ll best;
int bits;
int hx[20];
int hy[20];
bool habit[40][40];
ll calc() {
vector<ll> dp1(width + 1, 0);
dp1[1] = 1;
for (int x = 2; x <= width; ++x) {
if (!habit[1][x])
dp1[x] = dp1[x - 1];
}
for (int y = 2; y <= height; ++y) {
vector<ll> dp2(width + 1, 0);
for (int x = 1; x <= width; ++x) {
if (!habit[x][y])
dp2[x] = dp1[x] + dp2[x - 1];
}
dp1.swap(dp2);
}
return dp1[width];
}
int bitcount(int b) {
return b ? bitcount(b >> 1) + (b&1) : 0;
}
int main() {
scanner >> height >> width >> kei >> pe;
++height; ++width;
repeat(kei) {
int x, y;
scanner >> x >> y >> friends[cnt];
hx[cnt] = ++x;
hy[cnt] = ++y;
habit[y][x] = 1;
}
ll best = 0;
int bestbit = 0;
for (int bit = 0; bit < (1 << (kei)); ++bit) {
if (bitcount(bit) == pe) {
for (int b = bit, i = 0; b; b >>= 1, ++i) {
if (b & 1) {
habit[hy[i]][hx[i]] = 0;
}
}
ll c = calc();
if (best < c) {
best = c;
bestbit = bit;
}
for (int b = bit, i = 0; b; b >>= 1, ++i) {
if (b & 1) {
habit[hy[i]][hx[i]] = 1;
}
}
}
}
cout << (best%MD) << endl;
for (int b = bestbit, i = 0; b; b >>= 1, ++i) {
if (b & 1) {
cout << friends[i] << endl;
}
}
return 0;
}