結果
問題 | No.154 市バス |
ユーザー | raven7959 |
提出日時 | 2023-08-13 10:04:57 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 7,910 bytes |
コンパイル時間 | 2,160 ms |
コンパイル使用メモリ | 207,004 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-11-21 03:57:47 |
合計ジャッジ時間 | 2,760 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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 | 9 ms
6,820 KB |
testcase_01 | AC | 9 ms
6,816 KB |
testcase_02 | AC | 9 ms
6,816 KB |
testcase_03 | AC | 8 ms
6,820 KB |
testcase_04 | AC | 8 ms
6,820 KB |
testcase_05 | WA | - |
testcase_06 | AC | 2 ms
6,816 KB |
testcase_07 | AC | 5 ms
6,820 KB |
testcase_08 | WA | - |
ソースコード
#include <bits/stdc++.h> /* #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,fma,abm,mmx,avx,avx2") */ #define rep(i, n) for (ll i = 0; i < (int)(n); i++) #define rrep(i, n) for (ll i = (int)(n) - 1; i >= 0; i--) #define all(x) (x).begin(), (x).end() #define sz(x) ll(x.size()) #define yn(joken) cout<<((joken) ? "Yes" : "No")<<"\n" #define YN(joken) cout<<((joken) ? "YES" : "NO")<<"\n" #define UNIQUE(x) sort(all(x)), x.erase(unique(all(x)), x.end()) using namespace std; using ll = long long; using pii = pair<int,int>; using pll = pair<ll,ll>; using vi = vector<int>; using vl = vector<ll>; using vpi = vector<pair<int,int>>; using vpl = vector<pair<ll,ll>>; using vs = vector<string>; using vc = vector<char>; using vd = vector<double>; using vld = vector<long double>; using vvi = vector<vector<int>>; using vvl = vector<vector<ll>>; using vvs = vector<vector<string>>; using vvc = vector<vector<char>>; using vvd = vector<vector<double>>; using vvld = vector<vector<long double>>; using vvvi = vector<vector<vector<int>>>; using vvvl = vector<vector<vector<ll>>>; using vvvvi = vector<vector<vector<vector<int>>>>; using vvvvl = vector<vector<vector<vector<ll>>>>; template <class T> using priq = priority_queue<T>; template <class T> using priqg = priority_queue<T, vector<T>, greater<T>>; const int INF = 1e9; const ll LINF = 2e18; template <class T, class S> inline bool chmax(T &a, const S &b) { return (a < b ? a = b, 1 : 0); } template <class T, class S> inline bool chmin(T &a, const S &b) { return (a > b ? a = b, 1 : 0); } vi iota(int n) { vi a(n); return iota(a.begin(), a.end(), 0), a; } template <typename T> vi iota(const vector<T> &a, bool greater = false) { vi ret(a.size()); iota(ret.begin(), ret.end(), 0); sort(ret.begin(), ret.end(), [&](int i, int j) { if(greater) return a[i] > a[j]; return a[i] < a[j]; }); return ret; } template <typename S> void rearrange(const vector<S> &id) {} template <typename S, typename T> void rearrange_exec(const vector<S> &id, vector<T> &v) { vector<T> w(v.size()); rep(i, sz(id)) w[i] = v[id[i]]; v.swap(w); } // 並び替える順番, 並び替えるvector template <typename S, typename Head, typename... Tail> void rearrange(const vector<S> &id, Head &a, Tail &...tail) { rearrange_exec(id, a); rearrange(id, tail...); } template <typename T> vector<T> RUI(const vector<T> &v) { vector<T> res(v.size() + 1); for(int i = 0; i < v.size(); i++) res[i + 1] = res[i] + v[i]; return res; } // 反時計周りに 90 度回転 template <typename T> void roth(vector<vector<T>> &v) { if(empty(v)) return; int n = v.size(), m = v[0].size(); vector<vector<T>> res(m, vector<T>(n)); rep(i, n) rep(j, m) res[m - 1 - j][i] = v[i][j]; v.swap(res); } // 時計周りに 90 度回転 template <typename T> void rott(vector<vector<T>> &v) { if(empty(v)) return; int n = v.size(), m = v[0].size(); vector<vector<T>> res(m, vector<T>(n)); rep(i, n) rep(j, m) res[j][n - 1 - i] = v[i][j]; v.swap(res); } bool ispow2(int i) { return i && (i & -i) == i; } bool ispow2(ll i) { return i && (i & -i) == i; } template <typename T, typename S> T ceil(T x, S y) { // x/y以上の最小の整数を返す assert(y); return (y < 0 ? ceil(-x, -y) : (x > 0 ? (x + y - 1) / y : x / y)); } template <typename T, typename S> T floor(T x, S y) { // x/y以下の最大の整数を返す assert(y); return (y < 0 ? floor(-x, -y) : (x > 0 ? x / y : x / y - (x % y == 0 ? 0 : 1))); } template <class S> vector<pair<S, int>> RunLength(const vector<S> &v) { vector<pair<S, int>> res; for(auto &e : v) { if(res.empty() || res.back().first != e) res.emplace_back(e, 1); else res.back().second++; } return res; } vector<pair<char, int>> RunLength(const string &v) { vector<pair<char, int>> res; for(auto &e : v) { if(res.empty() || res.back().first != e) res.emplace_back(e, 1); else res.back().second++; } return res; } template <class T, class F> T bin_search(T ok, T ng, const F &f) { while(abs(ok - ng) > 1) { T mid = ok + ng >> 1; (f(mid) ? ok : ng) = mid; } return ok; } template <class T, class F> T bin_search_double(T ok, T ng, const F &f, int iter = 80) { while(iter--) { T mid = (ok + ng) / 2; (f(mid) ? ok : ng) = mid; } return ok; } template <typename T> istream& operator>>(istream& is, vector<T>& v) { for (int i = 0; i < int(v.size()); i++) { is >> v[i]; } return is; } namespace aux { template <typename T, unsigned N, unsigned L> struct tp { static void output(std::ostream &os, const T &v) { os << std::get<N>(v) << (&os == &cerr ? ", " : " "); tp<T, N + 1, L>::output(os, v); } }; template <typename T, unsigned N> struct tp<T, N, N> { static void output(std::ostream &os, const T &v) { os << std::get<N>(v); } }; } // namespace aux template <typename... Ts> std::ostream &operator<<(std::ostream &os, const std::tuple<Ts...> &t) { if(&os == &cerr) { os << '('; } aux::tp<std::tuple<Ts...>, 0, sizeof...(Ts) - 1>::output(os, t); if(&os == &cerr) { os << ')'; } return os; } template <typename T> std::ostream &operator<<(std::ostream &os, const stack<T> &_st) { auto st = _st; vector<T> res; while(!empty(st)) res.emplace_back(st.top()), st.pop(); reverse(all(res)); return os << res; } template <typename T> std::ostream &operator<<(std::ostream &os, const queue<T> &_qu) { auto qu = _qu; vector<T> res; while(!empty(qu)) res.emplace_back(qu.front()), qu.pop(); return os << res; } template <typename T> std::ostream &operator<<(std::ostream &os, const deque<T> &_dq) { auto dq = _dq; vector<T> res; while(!empty(dq)) res.emplace_back(dq.front()), dq.pop_front(); return os << res; } template <typename T, typename S, typename U> std::ostream &operator<<(std::ostream &os, const priority_queue<T, S, U> &_pq) { auto pq = _pq; vector<T> res; while(!empty(pq)) res.emplace_back(pq.top()), pq.pop(); return os << res; } template <class T, class S> ostream &operator<<(ostream &os, const pair<T, S> &p) { if(&os == &cerr) { return os << "(" << p.first << ", " << p.second << ")"; } return os << p.first << " " << p.second; } template <class Ch, class Tr, class Container> std::basic_ostream<Ch, Tr> &operator<<(std::basic_ostream<Ch, Tr> &os, const Container &x) { bool f = true; if(&os == &cerr) os << "["; for(auto &y : x) { if(&os == &cerr) os << (f ? "" : ", ") << y; else os << (f ? "" : " ") << y; f = false; } if(&os == &cerr) os << "]"; return os; } static uint32_t RandXor(){ static uint32_t x=123456789; static uint32_t y=362436069; static uint32_t z=521288629; static uint32_t w=88675123; uint32_t t; t=x^(x<<11); x=y; y=z; z=w; return w=(w^(w>>19))^(t^(t>>8)); } static double Rand01(){ return (RandXor()+0.5)*(1.0/UINT_MAX); } template <typename T> void rshuffle(vector<T> &V){ random_device seed_gen; mt19937 engine(seed_gen()); shuffle(V.begin(),V.end(),engine); } void solve(){ int tt; cin>>tt; while(tt--){ string S; cin>>S; int N=sz(S); int w=0,g=0,r=0; bool flg=true; rep(i,N){ if(S[i]=='W') w++; else if(S[i]=='G') g++; else r++; if(w<g || g<r){ flg=false; break; } } if(w<g || g!=r || S[N-1]!='R') flg=false; cout<<(flg ? "possible" : "impossible")<<"\n"; } } int main(){ cin.tie(nullptr); ios::sync_with_stdio(false); solve(); }