#337644 (C++14) No.812 Change of Class

• 問題: No.812 Change of Class
• ユーザー: ミドリムシ
• 提出日時: 2019-04-12 21:53:52
• 言語: C++14 (gcc 12.3.0 + boost 1.83.0)
• 結果: CE (最新)
  AC
  (最初)
• 実行時間: -
• コード長: 4,901 bytes
• コンパイル時間: 669 ms
• コンパイル使用メモリ: 76,156 KB
• 最終ジャッジ日時: 2024-11-14 21:25:05
• 合計ジャッジ時間: 2,604 ms
• ジャッジサーバーID （参考情報）: judge1 / judge3

コンパイルメッセージ

main.cpp: In function 'std::vector<_Tp> dijkstra(WeightedGraph<T>&, int)':
main.cpp:86:22: error: 'numeric_limits' was not declared in this scope
   86 |     const auto INF = numeric_limits< T >::max();
      |                      ^~~~~~~~~~~~~~
main.cpp:86:40: error: expected primary-expression before '>' token
   86 |     const auto INF = numeric_limits< T >::max();
      |                                        ^
main.cpp:86:46: error: no matching function for call to 'max()'
   86 |     const auto INF = numeric_limits< T >::max();
      |                                         ~~~~~^~
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/string:50,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/locale_classes.h:40,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/ios_base.h:41,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ios:42,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ostream:38,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/iostream:39,
                 from main.cpp:1:
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
main.cpp:86:46: note:   candidate expects 2 arguments, 0 provided
   86 |     const auto INF = numeric_limits< T >::max();
      |                                         ~~~~~^~
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp

ソースコード

#include <iostream>
#include <algorithm>
#include <vector>
#include <string.h>
#include <cassert>
#include <queue>
#include <tuple>
using namespace std;
using lint = long long;
const lint mod = 1000000007;
#define all(x) (x).begin(), (x).end()
#define bitcount(n) __builtin_popcountl((lint)(n))
#define fcout cout << fixed << setprecision(15)
#define highest(x) (63 - __builtin_clzl(x))
template<class T> inline void YES(T condition){ if(condition) cout << "YES" << endl; else cout << "NO" << endl; }
template<class T> inline void Yes(T condition){ if(condition) cout << "Yes" << endl; else cout << "No" << endl; }
template<class T = string, class U = char>int character_count(T text, U character){ int ans = 0; for(U i: text){ ans += (i == character); } return ans; }
lint power(lint base, lint exponent, lint module){ if(exponent % 2){ return power(base, exponent - 1, module) * base % module; }else if(exponent){ lint root_ans = power(base, exponent / 2, module); return root_ans * root_ans % module; }else{ return 1; }}
struct position{ int y, x; }; position mv[4] = {{0, -1}, {1, 0}, {0, 1}, {-1, 0}};
template<class T, class U> string to_string(pair<T, U> x){ return to_string(x.first) + "," + to_string(x.second); } string to_string(string x){ return x; }
template<class itr> void array_output(itr start, itr goal){ string ans; for(auto i = start; i != goal; i++) ans += to_string(*i) + " "; if(!ans.empty()) ans.pop_back(); cout << ans << endl; }
template<class itr> void cins(itr first, itr last){ for(auto i = first; i != last; i++){ cin >> (*i); } }
template<class T> T gcd(T a, T b){ if(a && b){ return gcd(min(a, b), max(a, b) % min(a, b)); }else{ return a; }} template<class T> T lcm(T a, T b){ return a / gcd(a, b) * b; }
struct combination{ vector<lint> fact, inv; combination(int sz) : fact(sz + 1), inv(sz + 1){ fact[0] = 1; for(int i = 1; i <= sz; i++){ fact[i] = fact[i - 1] * i % mod; } inv[sz] = power(fact[sz], mod - 2, mod); for(int i = sz - 1; i >= 0; i--){ inv[i] = inv[i + 1] * (i + 1) % mod; } } lint C(int p, int q) const{ if(q < 0 || p < q) return 0; return (fact[p] * inv[q] % mod * inv[p - q] % mod); } };
template<class itr> bool next_sequence(itr first, itr last, int max_bound){ itr now = last; while(now != first){ now--; (*now)++; if((*now) == max_bound){ (*now) = 0; }else{ return true; } } return false; }

template< typename T >
struct edge {
    int src, to;
    T cost;
    
    edge(int to, T cost) : src(-1), to(to), cost(cost) {}
    
    edge(int src, int to, T cost) : src(src), to(to), cost(cost) {}
    
    edge &operator=(const int &x) {
        to = x;
        return *this;
    }
    
    operator int() const { return to; }
};

template< typename T >
using Edges = vector< edge< T > >;
template< typename T >
using WeightedGraph = vector< Edges< T > >;
using UnWeightedGraph = vector< vector< int > >;
template< typename T >
using Matrix = vector< vector< T > >;

struct UnionFind
{
    vector< int > data;
    
    UnionFind(int sz)
    {
        data.assign(sz, -1);
    }
    
    bool unite(int x, int y)
    {
        x = find(x), y = find(y);
        if(x == y) return(false);
        if(data[x] > data[y]) swap(x, y);
        data[x] += data[y];
        data[y] = x;
        return(true);
    }
    
    int find(int k)
    {
        if(data[k] < 0) return(k);
        return(data[k] = find(data[k]));
    }
    
    int size(int k)
    {
        return(-data[find(k)]);
    }
};

template< typename T >
vector< T > dijkstra(WeightedGraph< T > &g, int s)
{
    const auto INF = numeric_limits< T >::max();
    vector< T > dist(g.size(), INF);
    
    using Pi = pair< T, int >;
    priority_queue< Pi, vector< Pi >, greater< Pi > > que;
    dist[s] = 0;
    que.emplace(dist[s], s);
    while(!que.empty()) {
        T cost;
        int idx;
        tie(cost, idx) = que.top();
        que.pop();
        if(dist[idx] < cost) continue;
        for(auto &e : g[idx]) {
            auto next_cost = cost + e.cost;
            if(dist[e.to] <= next_cost) continue;
            dist[e.to] = next_cost;
            que.emplace(dist[e.to], e.to);
        }
    }
    return dist;
}

int main(){
    int N, M;
    cin >> N >> M;;
    WeightedGraph<int> roads(N);
    for(int i = 0; i < M; i++){
        int p, q;
        cin >> p >> q;
        p--, q--;
        roads[p].push_back(edge<int>(q, 1));
        roads[q].push_back(edge<int>(p, 1));
    }
    int Q;
    cin >> Q;
    for(int i = 0; i < Q; i++){
        int A;
        cin >> A;
        A--;
        auto dist = dijkstra(roads, A);
        int ans = 0, sum = 0;
        for(int j = 0; j < N; j++){
            if(dist[j] < 1e9){
                sum++;
                ans = max(ans, dist[j]);
            }
        }
        ans--;
        int ans2 = 0;
        while(ans > 0){
            ans /= 2;
            ans2++;
        }
        cout << sum - 1 << " " << ans2 << endl;
    }
}