結果
問題 | No.2277 Honest or Dishonest ? |
ユーザー | 👑 AngrySadEight |
提出日時 | 2023-04-21 22:12:33 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 114 ms / 2,000 ms |
コード長 | 4,533 bytes |
コンパイル時間 | 5,662 ms |
コンパイル使用メモリ | 224,920 KB |
実行使用メモリ | 14,592 KB |
最終ジャッジ日時 | 2024-11-15 05:34:45 |
合計ジャッジ時間 | 10,306 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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 | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 94 ms
12,288 KB |
testcase_04 | AC | 89 ms
12,800 KB |
testcase_05 | AC | 29 ms
8,064 KB |
testcase_06 | AC | 79 ms
10,752 KB |
testcase_07 | AC | 62 ms
9,472 KB |
testcase_08 | AC | 23 ms
7,936 KB |
testcase_09 | AC | 55 ms
9,728 KB |
testcase_10 | AC | 47 ms
7,808 KB |
testcase_11 | AC | 22 ms
5,504 KB |
testcase_12 | AC | 39 ms
7,168 KB |
testcase_13 | AC | 87 ms
11,648 KB |
testcase_14 | AC | 49 ms
8,320 KB |
testcase_15 | AC | 25 ms
7,296 KB |
testcase_16 | AC | 63 ms
9,344 KB |
testcase_17 | AC | 31 ms
6,400 KB |
testcase_18 | AC | 82 ms
12,288 KB |
testcase_19 | AC | 86 ms
12,416 KB |
testcase_20 | AC | 68 ms
10,496 KB |
testcase_21 | AC | 63 ms
9,344 KB |
testcase_22 | AC | 57 ms
9,344 KB |
testcase_23 | AC | 85 ms
11,392 KB |
testcase_24 | AC | 50 ms
8,960 KB |
testcase_25 | AC | 63 ms
10,624 KB |
testcase_26 | AC | 14 ms
7,040 KB |
testcase_27 | AC | 41 ms
7,424 KB |
testcase_28 | AC | 26 ms
7,168 KB |
testcase_29 | AC | 43 ms
8,960 KB |
testcase_30 | AC | 40 ms
7,296 KB |
testcase_31 | AC | 67 ms
10,112 KB |
testcase_32 | AC | 38 ms
8,448 KB |
testcase_33 | AC | 84 ms
12,288 KB |
testcase_34 | AC | 97 ms
12,800 KB |
testcase_35 | AC | 10 ms
5,504 KB |
testcase_36 | AC | 61 ms
9,216 KB |
testcase_37 | AC | 90 ms
11,776 KB |
testcase_38 | AC | 21 ms
5,248 KB |
testcase_39 | AC | 30 ms
6,272 KB |
testcase_40 | AC | 10 ms
5,376 KB |
testcase_41 | AC | 104 ms
13,184 KB |
testcase_42 | AC | 69 ms
10,368 KB |
testcase_43 | AC | 114 ms
14,464 KB |
testcase_44 | AC | 113 ms
14,592 KB |
testcase_45 | AC | 108 ms
14,512 KB |
testcase_46 | AC | 108 ms
14,592 KB |
testcase_47 | AC | 114 ms
14,592 KB |
testcase_48 | AC | 111 ms
14,464 KB |
testcase_49 | AC | 113 ms
14,592 KB |
testcase_50 | AC | 108 ms
14,592 KB |
testcase_51 | AC | 111 ms
14,592 KB |
testcase_52 | AC | 109 ms
14,592 KB |
ソースコード
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include <iostream> #include <string> #include <vector> #include <algorithm> #include <functional> #include <stack> #include <queue> #include <map> #include <set> #include <unordered_map> #include <unordered_set> #include <cmath> #include <cassert> #include <ctime> #include <utility> #include <random> #include <tuple> #include <bitset> #include <atcoder/all> using namespace std; using namespace atcoder; typedef long long ll; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, n) for (int i = (int)(n) - 1; i >= 0; i--) #define repk(i, k, n) for (int i = k; i < (int)(n); i++) #define all(v) v.begin(), v.end() #define mod1 1000000007 #define mod2 998244353 #define mod3 100000007 #define vi vector<int> #define vs vector<string> #define vc vector<char> #define vl vector<ll> #define vb vector<bool> #define vvi vector<vector<int>> #define vvc vector<vector<char>> #define vvl vector<vector<ll>> #define vvb vector<vector<bool>> #define vvvi vector<vector<vector<int>>> #define vvvl vector<vector<vector<ll>>> #define pii pair<int,int> #define pil pair<int,ll> #define pli pair<ll, int> #define pll pair<ll, ll> #define vpii vector<pair<int,int>> #define vpll vector<pair<ll,ll>> #define vvpii vector<vector<pair<int,int>>> #define vvpll vector<vector<pair<ll,ll>>> template<typename T> void debug(T e){ cerr << e << endl; } template<typename T> void debug(vector<T> &v){ rep(i, v.size()){ cerr << v[i] << " "; } cerr << endl; } template<typename T> void debug(vector<vector<T>> &v){ rep(i, v.size()){ rep(j, v[i].size()){ cerr << v[i][j] << " "; } cerr << endl; } } template<typename T> void debug(vector<pair<T, T>> &v){ rep(i,v.size()){ cerr << v[i].first << " " << v[i].second << endl; } } template<typename T> void debug(set<T> &st){ for (auto itr = st.begin(); itr != st.end(); itr++){ cerr << *itr << " "; } cerr << endl; } template<typename T> void debug(multiset<T> &ms){ for (auto itr = ms.begin(); itr != ms.end(); itr++){ cerr << *itr << " "; } cerr << endl; } template<typename T> void debug(map<T, T> &mp){ for (auto itr = mp.begin(); itr != mp.end(); itr++){ cerr << itr->first << " " << itr->second << endl; } } void debug_out(){ cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T){ cerr << H << " "; debug_out(T...); } ll my_pow(ll x, ll n, ll mod){ // 繰り返し二乗法.x^nをmodで割った余り. ll ret; if (n == 0){ ret = 1; } else if (n % 2 == 1){ ret = (x * my_pow((x * x) % mod, n / 2, mod)) % mod; } else{ ret = my_pow((x * x) % mod, n / 2, mod); } return ret; } ll inv(ll x, ll mod){ return my_pow(x, mod - 2, mod); } int main(){ ll N, Q; cin >> N >> Q; vl A(Q); vl B(Q); vl C(Q); for (ll i = 0; i < Q; i++){ cin >> A[i] >> B[i] >> C[i]; A[i]--; B[i]--; } vvpll graph(N, vpll(0)); rep(i,Q){ graph[A[i]].push_back(pll(B[i], C[i])); graph[B[i]].push_back(pll(A[i], C[i])); } dsu tree(N); for (ll i = 0; i < Q; i++){ tree.merge(A[i], B[i]); } ll ans = 1; vl color(N, -1); queue<ll> que; // 連結成分ごとに二部グラフかの判定 for (ll i = 0; i < N; i++){ if (color[i] == -1){ bool pos = true; color[i] = 0; que.push(i); while(que.size()){ ll p = que.front(); que.pop(); for (pll px: graph[p]){ //debug_out(px.first, p, color[px.first], color[p], px.second); if (color[px.first] != -1){ if (color[px.first] != color[p] ^ px.second){ pos = false; break; } else continue; } else{ color[px.first] = color[p] ^ px.second; que.push(px.first); } } } //debug(pos); if (!pos){ ans = (ans * 0LL); } else{ ans = (ans * 2LL) % mod2; } } } //debug(color); cout << ans << endl; }