結果
問題 | No.1420 国勢調査 (Easy) |
ユーザー | theory_and_me |
提出日時 | 2021-03-05 22:52:57 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 201 ms / 2,000 ms |
コード長 | 3,083 bytes |
コンパイル時間 | 2,447 ms |
コンパイル使用メモリ | 211,016 KB |
実行使用メモリ | 15,764 KB |
最終ジャッジ日時 | 2024-10-07 04:00:09 |
合計ジャッジ時間 | 8,213 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
(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 | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 56 ms
11,776 KB |
testcase_03 | AC | 56 ms
11,648 KB |
testcase_04 | AC | 57 ms
11,648 KB |
testcase_05 | AC | 56 ms
11,776 KB |
testcase_06 | AC | 56 ms
11,776 KB |
testcase_07 | AC | 43 ms
11,776 KB |
testcase_08 | AC | 42 ms
11,648 KB |
testcase_09 | AC | 43 ms
11,776 KB |
testcase_10 | AC | 42 ms
11,776 KB |
testcase_11 | AC | 43 ms
11,776 KB |
testcase_12 | AC | 10 ms
7,144 KB |
testcase_13 | AC | 136 ms
7,168 KB |
testcase_14 | AC | 11 ms
7,168 KB |
testcase_15 | AC | 133 ms
7,160 KB |
testcase_16 | AC | 140 ms
7,168 KB |
testcase_17 | AC | 133 ms
7,168 KB |
testcase_18 | AC | 136 ms
7,040 KB |
testcase_19 | AC | 138 ms
7,068 KB |
testcase_20 | AC | 133 ms
7,168 KB |
testcase_21 | AC | 136 ms
7,168 KB |
testcase_22 | AC | 195 ms
15,744 KB |
testcase_23 | AC | 199 ms
15,764 KB |
testcase_24 | AC | 201 ms
15,744 KB |
testcase_25 | AC | 200 ms
15,616 KB |
testcase_26 | AC | 197 ms
15,744 KB |
testcase_27 | AC | 71 ms
15,616 KB |
testcase_28 | AC | 70 ms
15,744 KB |
testcase_29 | AC | 73 ms
15,744 KB |
testcase_30 | AC | 72 ms
15,744 KB |
testcase_31 | AC | 74 ms
15,744 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define REP(i,n) for(ll i=0;i<(ll)n;i++) #define dump(x) cerr << "Line " << __LINE__ << ": " << #x << " = " << (x) << "\n"; #define spa << " " << #define fi first #define se second #define ALL(a) (a).begin(),(a).end() #define ALLR(a) (a).rbegin(),(a).rend() using ld = long double; using ll = long long; using ull = unsigned long long; using pii = pair<int, int>; using pll = pair<ll, ll>; using pdd = pair<ld, ld>; template<typename T> using V = vector<T>; template<typename T> using P = pair<T, T>; template<typename T> vector<T> make_vec(size_t n, T a) { return vector<T>(n, a); } template<typename... Ts> auto make_vec(size_t n, Ts... ts) { return vector<decltype(make_vec(ts...))>(n, make_vec(ts...)); } template<class S, class T> ostream& operator << (ostream& os, const pair<S, T> v){os << "(" << v.first << ", " << v.second << ")"; return os;} template<typename T> ostream& operator<<(ostream &os, const vector<T> &v) { for (auto &e : v) os << e << ' '; return os; } template<class T> ostream& operator<<(ostream& os, const vector<vector<T>> &v){ for(auto &e : v){os << e << "\n";} return os;} struct fast_ios { fast_ios(){ cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_; template <class T> void UNIQUE(vector<T> &x) {sort(ALL(x));x.erase(unique(ALL(x)), x.end());} template<class T> bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T> bool chmin(T &a, const T &b) { if (a>b) { a=b; return 1; } return 0; } void fail() { cout << -1 << '\n'; exit(0); } inline int popcount(const int x) { return __builtin_popcount(x); } inline int popcount(const ll x) { return __builtin_popcountll(x); } template<typename T> void debug(vector<vector<T>>&v,ll h,ll w){for(ll i=0;i<h;i++) {cerr<<v[i][0];for(ll j=1;j<w;j++)cerr spa v[i][j];cerr<<"\n";}}; template<typename T> void debug(vector<T>&v,ll n){if(n!=0)cerr<<v[0]; for(ll i=1;i<n;i++)cerr spa v[i]; cerr<<"\n";}; const ll INF = (1ll<<62); // const ld EPS = 1e-10; // const ld PI = acos(-1.0); const ll mod = (int)1e9 + 7; //const ll mod = 998244353; int main(){ ll N, M; cin >> N >> M; V<ll> A(M), B(M), Y(M); REP(i, M) cin >> A[i] >> B[i] >> Y[i]; REP(i, M) A[i]--, B[i]--; V<V<pll>> G(N); REP(i, M){ G[A[i]].emplace_back(B[i], Y[i]); G[B[i]].emplace_back(A[i], Y[i]); } V<ll> val(N, -1); auto dfs = [&](auto self, ll now, ll par, ll v){ if(val[now] != -1) return; val[now] = v; for(auto itr: G[now]){ ll next = itr.first; ll w = itr.second; if(next == par) continue; if(val[next] == -1){ self(self, next, now, v ^ w); } } return; }; REP(i, N) dfs(dfs, i, -1, 0); // dump(val) bool ok = true; REP(i, M){ if((val[A[i]] ^ val[B[i]]) != Y[i]) ok = false; } if(!ok){ cout << -1 << endl; }else{ for(auto x: val) cout << x << endl; } return 0; }