結果
問題 | No.3032 ホモトピー入門 |
ユーザー |
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提出日時 | 2025-02-21 23:37:00 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,715 bytes |
コンパイル時間 | 2,484 ms |
コンパイル使用メモリ | 200,320 KB |
実行使用メモリ | 6,824 KB |
最終ジャッジ日時 | 2025-02-21 23:37:06 |
合計ジャッジ時間 | 5,337 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | WA * 3 |
other | WA * 37 |
ソースコード
#include<bits/stdc++.h>// #include<atcoder/all>// #include<boost/multiprecision/cpp_int.hpp>using namespace std;// using namespace atcoder;// using bint = boost::multiprecision::cpp_int;using ll = long long;using ull = unsigned long long;using ld = long double;using P = pair<ll,ll>;using vi = vector<ll>;using vvi = vector<vi>;using vvvi = vector<vvi>;using ve = vector<vector<int>>;using vb = vector<bool>;using vvb = vector<vb>;#define rep(i,s,n) for(ll i = (ll)s;i < (ll)n;i++)#define rrep(i,l,r) for(ll i = r-1;i >= l;i--)#define ALL(x) (x).begin(),(x).end()#define sz(c) ((ll)(c).size())#define LB(A,x) (int)(lower_bound(A.begin(),A.end(),x)-A.begin())#define UB(A,x) (int)(upper_bound(A.begin(),A.end(),x)-A.begin())// #define MOD 1000000007#define MOD 998244353template<typename T>using min_priority_queue=priority_queue<T,vector<T>,greater<T>>;template<typename T>ostream&operator<<(ostream&os,vector<T>&v){for(int i = 0;i < v.size();i++)os<<v[i]<<(i+1!=v.size()?" ":"");return os;}template<typename T>istream&operator>>(istream&is,vector<T>&v){for(T&in:v)is>>in;return is;}template<typename T1,typename T2>ostream&operator<<(ostream&os,pair<T1,T2>&p){os<<p.first<<" "<<p.second;return os;}template<typename T1,typename T2>istream&operator>>(istream&is,pair<T1,T2>&p){is>>p.first>>p.second;return is;}template<typename T> inline bool chmax(T &a,T b){if(a < b){a = b;return true;}return false;}template<typename T> inline bool chmin(T &a,T b){if(a > b){a = b;return true;}return false;}ld dist(ld x1,ld y1,ld x2, ld y2){return sqrtl((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));}int main(){ios_base::sync_with_stdio(0), cin.tie(0);// {OX,OY} = {1,1},{-1,1}auto calc = [](string &s)->int{int res = 0;int x = 0,y = 0;stack<P> st;st.push({0,-1});rep(i,0,sz(s)){int nx = x,ny = y;if(s[i] == 'U')ny+= 2;else if(s[i] == 'D')ny-= 2;else if(s[i] == 'L')nx -= 2;else nx += 2;int A = -1,B = -1;if(nx > 1 && x > 1 && ny > 1 && y < 1){A = 1,B = 0;}else if(nx > 1 && x > 1 && ny < 1 && y > 1){A = -1,B = 0;}else if(nx < -1 && x < -1 && ny > 1 && y < 1){A = 1,B = 1;}else if(nx < -1 && x < -1 && ny < 1 && y > 1){A = -1,B = 1;}if(B != -1){auto [a,b] = st.top();if(b == B){st.pop();a += A;if(a)st.push({a,B});}else st.push({A,B});}swap(x,nx);swap(y,ny);}return sz(st);};int res = 0;int n,m;cin >> n >> m;rep(i,0,n){string s;cin >> s;res += (calc(s) == 1);cout << calc(s) << " g\n";}cout << res << "\n";return 0;}