結果
問題 | No.95 Alice and Graph |
ユーザー | heno239 |
提出日時 | 2020-04-08 13:11:10 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 3,633 ms / 5,000 ms |
コード長 | 3,736 bytes |
コンパイル時間 | 1,323 ms |
コンパイル使用メモリ | 122,392 KB |
実行使用メモリ | 20,720 KB |
最終ジャッジ日時 | 2024-07-18 10:14:30 |
合計ジャッジ時間 | 18,467 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 | 1,037 ms
20,592 KB |
testcase_01 | AC | 3,633 ms
20,720 KB |
testcase_02 | AC | 3,611 ms
20,464 KB |
testcase_03 | AC | 4 ms
7,492 KB |
testcase_04 | AC | 750 ms
13,936 KB |
testcase_05 | AC | 585 ms
13,932 KB |
testcase_06 | AC | 721 ms
14,060 KB |
testcase_07 | AC | 3,325 ms
20,588 KB |
testcase_08 | AC | 4 ms
7,620 KB |
testcase_09 | AC | 4 ms
7,492 KB |
testcase_10 | AC | 4 ms
7,616 KB |
testcase_11 | AC | 4 ms
7,492 KB |
testcase_12 | AC | 5 ms
7,492 KB |
testcase_13 | AC | 1,689 ms
13,936 KB |
ソースコード
#include<iostream> #include<string> #include<cstdio> #include<vector> #include<cmath> #include<algorithm> #include<functional> #include<iomanip> #include<queue> #include<ciso646> #include<random> #include<map> #include<set> #include<bitset> #include<stack> #include<unordered_map> #include<utility> #include<cassert> #include<complex> #include<numeric> using namespace std; //#define int long long typedef long long ll; typedef unsigned long long ul; typedef unsigned int ui; ll mod = 100003; const ll INF = mod * mod; typedef pair<int, int>P; #define stop char nyaa;cin>>nyaa; #define rep(i,n) for(int i=0;i<n;i++) #define per(i,n) for(int i=n-1;i>=0;i--) #define Rep(i,sta,n) for(int i=sta;i<n;i++) #define rep1(i,n) for(int i=1;i<=n;i++) #define per1(i,n) for(int i=n;i>=1;i--) #define Rep1(i,sta,n) for(int i=sta;i<=n;i++) #define all(v) (v).begin(),(v).end() typedef pair<ll, ll> LP; typedef long double ld; typedef pair<ld, ld> LDP; const ld eps = 1e-12; const ld pi = acos(-1.0); ll mod_pow(ll a, ll n, ll m = mod) { ll res = 1; while (n) { if (n & 1)res = res * a%m; a = a * a%m; n >>= 1; } return res; } struct modint { ll n; modint() :n(0) { ; } modint(ll m) :n(m) { if (n >= mod)n %= mod; else if (n < 0)n = (n%mod + mod) % mod; } operator int() { return n; } }; bool operator==(modint a, modint b) { return a.n == b.n; } modint operator+=(modint &a, modint b) { a.n += b.n; if (a.n >= mod)a.n -= mod; return a; } modint operator-=(modint &a, modint b) { a.n -= b.n; if (a.n < 0)a.n += mod; return a; } modint operator*=(modint &a, modint b) { a.n = ((ll)a.n*b.n) % mod; return a; } modint operator+(modint a, modint b) { return a += b; } modint operator-(modint a, modint b) { return a -= b; } modint operator*(modint a, modint b) { return a *= b; } modint operator^(modint a, int n) { if (n == 0)return modint(1); modint res = (a*a) ^ (n / 2); if (n % 2)res = res * a; return res; } ll inv(ll a, ll p) { return (a == 1 ? 1 : (1 - p * inv(p%a, a)) / a + p); } modint operator/(modint a, modint b) { return a * modint(inv(b, mod)); } const int max_n = 1 << 18; modint fact[max_n], factinv[max_n]; void init_f() { fact[0] = modint(1); for (int i = 0; i < max_n - 1; i++) { fact[i + 1] = fact[i] * modint(i + 1); } factinv[max_n - 1] = modint(1) / fact[max_n - 1]; for (int i = max_n - 2; i >= 0; i--) { factinv[i] = factinv[i + 1] * modint(i + 1); } } modint comb(int a, int b) { if (a < 0 || b < 0 || a < b)return 0; return fact[a] * factinv[b] * factinv[a - b]; } int dx[4] = { 0,1,0,-1 }; int dy[4] = { 1,0,-1,0 }; int dist[60][60]; bool can(vector<int> v,int k) { int sz = v.size(); vector<vector<int>> dp((1 << sz), vector<int>(sz,100)); sort(all(v)); dp[1][0] = 0; rep1(i, (1 << sz) - 1) { rep(j, sz) { if (i&(1 << j)) { rep(to, sz) { if (i&(1 << to))continue; int ni = i ^ (1 << to); dp[ni][to] = min(dp[ni][to], dp[i][j] + dist[v[j]][v[to]]); } } } } rep(j, sz)if (dp[(1 << sz) - 1][j] <= k)return true; return false; } void solve() { int n, m, k; cin >> n >> m >> k; rep(i, n)rep(j, n) { if (i == j)dist[i][j] = 0; else dist[i][j] = 100; } rep(i, m) { int a, b; cin >> a >> b; a--; b--; dist[a][b] = dist[b][a] = 1; } rep(k, n)rep(i, n)rep(j, n) { dist[i][j] = min(dist[i][j], dist[i][k] + dist[k][j]); } vector<int> v; v.push_back(0); for (int i = n - 1; i > 0; i--) { v.push_back(i); if (!can(v, k))v.pop_back(); } ll ans = 0; rep(i, v.size()) { ll s = ((ll)1 << v[i]) - 1; ans += s; } cout << ans << "\n"; } signed main() { ios::sync_with_stdio(false); cin.tie(0); //cout << fixed << setprecision(7); //init_f(); //init(); //int t; cin >> t; rep(i, t)solve(); solve(); stop return 0; }