結果
問題 | No.460 裏表ちわーわ |
ユーザー | mai |
提出日時 | 2016-12-11 02:00:08 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,559 bytes |
コンパイル時間 | 2,137 ms |
コンパイル使用メモリ | 189,356 KB |
実行使用メモリ | 139,008 KB |
最終ジャッジ日時 | 2024-11-29 02:55:59 |
合計ジャッジ時間 | 35,069 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
(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 | AC | 4 ms
6,816 KB |
testcase_01 | AC | 352 ms
8,576 KB |
testcase_02 | WA | - |
testcase_03 | AC | 2 ms
6,824 KB |
testcase_04 | AC | 2 ms
6,816 KB |
testcase_05 | AC | 1,588 ms
138,624 KB |
testcase_06 | AC | 1,586 ms
139,008 KB |
testcase_07 | AC | 1,588 ms
138,752 KB |
testcase_08 | WA | - |
testcase_09 | AC | 18 ms
6,820 KB |
testcase_10 | WA | - |
testcase_11 | AC | 1,588 ms
138,880 KB |
testcase_12 | AC | 1,588 ms
138,880 KB |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | AC | 1,591 ms
138,880 KB |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | AC | 1,587 ms
138,624 KB |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | AC | 2 ms
6,816 KB |
testcase_26 | AC | 2 ms
6,820 KB |
testcase_27 | AC | 4 ms
6,820 KB |
ソースコード
#include<bits/stdc++.h> using namespace std; typedef unsigned int uint; typedef long long int ll; typedef unsigned long long int ull; #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 ALL(v) (v).begin(),(v).end() #define BIGINT 0x7FFFFFFF #define E107 1000000007 void printbit(int u){if(u==0)cout<<0;else{int s=0,k=0;for(;0<u;u>>=1,k++)s=(s<<1)|(u&1);for(;0<k--;s>>=1)cout<<(s&1);}} #define TIME chrono::system_clock::now() #define MILLISEC(t) (chrono::duration_cast<chrono::milliseconds>(t).count()) template<typename T1,typename T2> ostream& operator <<(ostream &o,const pair<T1,T2> p){o<<"("<<p.first<<":"<<p.second<<")";return o;} int width,height; int m,n; struct Field{ int height,width; vector<int> data; Field(int h,int w){ height = h; width = w; data.resize(h*w); } int& operator()(int y,int x){ return data[y*width+x]; } bool operator<(const Field& f) const{ return data < f.data; } bool operator==(const Field& f) const{ return height==f.height && width == f.width && data == f.data; } void flipx(){ int x,y; for (y=0;y<height;y++) for (x=0;x<width/2;x++){ swap(operator()(y,x),operator()(y,width-x-1)); } } void flipy(){ int x,y; for (x=0;x<width;x++) for (y=0;y<height/2;y++){ swap(operator()(y,x),operator()(height-y-1,x)); } } }; map<Field,int> dp; void flipx(vector<vector<int>>& field){ int x,y; for (y=0;y<height;y++) for (x=0;x<width/2;x++){ swap(field[y][x],field[y][width-x-1]); } return; } void flipy(vector<vector<int>>& field){ int x,y; for (y=0;y<height/2;y++){ field[y].swap(field[height-y-1]); } return; } int main(){ int i,j,k; int x,y,a,b; cin >> height >> width; Field first(height,width); // cww Field final(height,width); // zero for (y=0;y<height;y++){ for (x=0;x<width;x++){ cin >> first(y,x); } } // all zero queue<pair<int,Field> > q; q.push(make_pair(1,final)); dp[final] = 1; //q.push(make_pair(10001,first)); //dp[first] = 10001; auto tim = TIME; while (!q.empty()){ if (MILLISEC(TIME-tim)>1500) break; auto p = q.front(); q.pop(); //if (dp.size()>100000){ // cout << dp.size() << endl;return 0; //} if (p.first<10000 && p.second == first){ cout << (p.first-1) << endl; return 0; } if (p.first>=10000 && p.second == final){ cout << (p.first-10001) << endl; return 0; } for (y=0;y<height;y++){ for (x=0;x<width;x++){ Field tmp = p.second; for (i=-1+(x==0);i<=1-(x==width-1);i++){ for (j=-1+(y==0);j<=1-(y==height-1);j++){ tmp(y+j,x+i)^=1; } } Field tmp2 = tmp; for (i=1;i<4;i++){ if (i%2==1){ tmp2.flipx(); } if ((i/2)%2==1){ tmp2.flipy(); } if (tmp2 < tmp) tmp = tmp2; } int &val = dp[tmp]; if (val!=0){ if ((p.first<=10000)^(val<=10000)){ //printf("%d %d\n",p.first,val); //cout << "!"; cout << (p.first+val-10001) << endl; return 0; } }else{ //val = p.first+1; val = p.first+1; q.push(make_pair(p.first+1,tmp)); } } } } //cout << dp.size() << endl; cout << "Impossible" << endl; return 0; }