結果
問題 | No.1502 Many Simple Additions |
ユーザー | au7777 |
提出日時 | 2022-05-05 01:03:06 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,433 bytes |
コンパイル時間 | 3,981 ms |
コンパイル使用メモリ | 245,412 KB |
実行使用メモリ | 11,136 KB |
最終ジャッジ日時 | 2024-07-04 03:31:40 |
合計ジャッジ時間 | 9,031 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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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 | 4 ms
11,136 KB |
testcase_01 | AC | 4 ms
5,760 KB |
testcase_02 | AC | 4 ms
5,760 KB |
testcase_03 | AC | 4 ms
5,760 KB |
testcase_04 | AC | 4 ms
5,760 KB |
testcase_05 | AC | 4 ms
5,888 KB |
testcase_06 | WA | - |
testcase_07 | AC | 4 ms
5,760 KB |
testcase_08 | WA | - |
testcase_09 | AC | 4 ms
5,760 KB |
testcase_10 | AC | 4 ms
5,760 KB |
testcase_11 | AC | 5 ms
5,760 KB |
testcase_12 | AC | 4 ms
5,760 KB |
testcase_13 | AC | 4 ms
5,888 KB |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | TLE | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
testcase_33 | -- | - |
testcase_34 | -- | - |
testcase_35 | -- | - |
testcase_36 | -- | - |
testcase_37 | -- | - |
testcase_38 | -- | - |
testcase_39 | -- | - |
testcase_40 | -- | - |
testcase_41 | -- | - |
testcase_42 | -- | - |
testcase_43 | -- | - |
ソースコード
#include <bits/stdc++.h> #include <atcoder/all> typedef long long int ll; typedef long long int ull; #define MP make_pair using namespace std; using namespace atcoder; typedef pair<ll, ll> P; // const ll MOD = 998244353; const ll MOD = 1000000007; // using mint = modint998244353; using mint = modint1000000007; const double pi = 3.1415926536; const int MAX = 2000005; long long fac[MAX], finv[MAX], inv[MAX]; template<typename T> using min_priority_queue = priority_queue<T, vector<T>, greater<T>>; void COMinit() { fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for (int i = 2; i < MAX; i++){ fac[i] = fac[i - 1] * i % MOD; inv[i] = MOD - inv[MOD%i] * (MOD / i) % MOD; finv[i] = finv[i - 1] * inv[i] % MOD; } } // 二項係数計算 long long COM(int n, int k){ if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD; } ll gcd(ll x, ll y) { if (y == 0) return x; else if (y > x) { return gcd (y, x); } else return gcd(x % y, y); } ll lcm(ll x, ll y) { return x / gcd(x, y) * y; } ll my_sqrt(ll x) { ll m = 0; ll M = 3000000001; while (M - m > 1) { ll now = (M + m) / 2; if (now * now <= x) { m = now; } else { M = now; } } return m; } ll keta(ll n) { ll ret = 0; while (n) { n /= 10; ret++; } return ret; } ll ceil(ll n, ll m) { // n > 0, m > 0 ll ret = n / m; if (n % m) ret++; return ret; } ll pow_ll(ll x, ll n) { if (n == 0) return 1; if (n % 2) { return pow_ll(x, n - 1) * x; } else { ll tmp = pow_ll(x, n / 2); return tmp * tmp; } } vector<ll> compress(vector<ll> v) { // [3 5 5 6 1 1 10 1] -> [1 2 2 3 0 0 4 0] vector<ll> u = v; sort(u.begin(), u.end()); u.erase(unique(u.begin(),u.end()),u.end()); map<ll, ll> mp; for (int i = 0; i < u.size(); i++) { mp[u[i]] = i; } for (int i = 0; i < v.size(); i++) { v[i] = mp[v[i]]; } return v; } vector<P> v[100001]; bool visited[100001]; P dfs(int cur, int par, int type, ll num, ll k) { // type1 x + num type2 num - x visited[cur] = true; ll m, M; if (type == 1) { m = 1 - num; M = k - num; } else { m = num - k; M = num - 1; } for (auto x : v[cur]) { int nex = x.first; ll c = x.second; if (visited[nex]) continue; P p = dfs(nex, cur, 3 - type, c - num, k); m = max(p.first, m); M = min(p.second, M); } visited[cur] = false; return P(m, M); } int main() { ll n, m, k; cin >> n >> m >> k; dsu d(n); for (int i = 1; i <= m; i++) { ll x, y, z; cin >> x >> y >> z; x--; y--; v[x].push_back({y, z}); v[y].push_back({x, z}); d.merge(x, y); } mint ans = 1; mint ans2 = 1; for (auto g : d.groups()) { P p1 = dfs(g[0], -1, 1, 0, k); mint tmp1 = max(p1.second - p1.first + 1, (ll)0); P p2 = dfs(g[0], -1, 1, 0, k - 1); mint tmp2 = max(p2.second - p2.first + 1, (ll)0); // cout << g[0] << ' ' << tmp1.val() << ' ' << tmp2.val() << endl; ans *= tmp1; ans2 *= tmp2; } mint ret = ans - ans2; cout << ret.val() << endl; return 0; }