結果

問題 No.1480 Many Complete Graphs
ユーザー Aoxiang CuiAoxiang Cui
提出日時 2021-10-06 23:30:50
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 99 ms / 2,000 ms
コード長 4,204 bytes
コンパイル時間 1,299 ms
コンパイル使用メモリ 122,348 KB
実行使用メモリ 22,804 KB
最終ジャッジ日時 2024-07-23 03:02:36
合計ジャッジ時間 6,711 ms
ジャッジサーバーID
(参考情報)
judge2 / judge4
このコードへのチャレンジ
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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 5 ms
10,368 KB
testcase_01 AC 5 ms
10,368 KB
testcase_02 AC 5 ms
10,368 KB
testcase_03 AC 5 ms
10,368 KB
testcase_04 AC 5 ms
10,368 KB
testcase_05 AC 5 ms
10,496 KB
testcase_06 AC 5 ms
10,368 KB
testcase_07 AC 6 ms
10,368 KB
testcase_08 AC 4 ms
10,240 KB
testcase_09 AC 5 ms
10,496 KB
testcase_10 AC 5 ms
10,624 KB
testcase_11 AC 5 ms
10,368 KB
testcase_12 AC 6 ms
10,368 KB
testcase_13 AC 18 ms
14,592 KB
testcase_14 AC 14 ms
13,440 KB
testcase_15 AC 28 ms
15,744 KB
testcase_16 AC 18 ms
13,640 KB
testcase_17 AC 18 ms
13,456 KB
testcase_18 AC 7 ms
11,520 KB
testcase_19 AC 18 ms
13,836 KB
testcase_20 AC 25 ms
15,676 KB
testcase_21 AC 19 ms
15,232 KB
testcase_22 AC 13 ms
13,440 KB
testcase_23 AC 40 ms
22,016 KB
testcase_24 AC 41 ms
21,504 KB
testcase_25 AC 57 ms
22,016 KB
testcase_26 AC 61 ms
22,804 KB
testcase_27 AC 45 ms
21,472 KB
testcase_28 AC 50 ms
20,832 KB
testcase_29 AC 50 ms
20,832 KB
testcase_30 AC 50 ms
20,192 KB
testcase_31 AC 50 ms
20,064 KB
testcase_32 AC 51 ms
20,836 KB
testcase_33 AC 49 ms
20,068 KB
testcase_34 AC 51 ms
20,704 KB
testcase_35 AC 49 ms
20,836 KB
testcase_36 AC 48 ms
20,576 KB
testcase_37 AC 48 ms
20,324 KB
testcase_38 AC 50 ms
20,704 KB
testcase_39 AC 48 ms
20,192 KB
testcase_40 AC 48 ms
19,936 KB
testcase_41 AC 48 ms
20,064 KB
testcase_42 AC 50 ms
20,832 KB
testcase_43 AC 51 ms
20,708 KB
testcase_44 AC 50 ms
20,324 KB
testcase_45 AC 50 ms
20,704 KB
testcase_46 AC 49 ms
20,320 KB
testcase_47 AC 97 ms
21,464 KB
testcase_48 AC 98 ms
21,592 KB
testcase_49 AC 98 ms
21,596 KB
testcase_50 AC 57 ms
21,376 KB
testcase_51 AC 99 ms
21,592 KB
testcase_52 AC 77 ms
21,676 KB
testcase_53 AC 74 ms
21,896 KB
testcase_54 AC 75 ms
21,896 KB
testcase_55 AC 75 ms
21,772 KB
testcase_56 AC 75 ms
21,644 KB
testcase_57 AC 52 ms
21,888 KB
testcase_58 AC 53 ms
21,852 KB
evil_aftercontest.txt AC 101 ms
33,740 KB
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp: In function 'void dijkstra(int, int)':
main.cpp:119:10: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions]
  119 |     auto [dd, u] = Q.top();
      |          ^
main.cpp:122:16: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions]
  122 |     for (auto& [v, w] : a[u]) {
      |                ^

ソースコード

diff #

#define LOCAL
#define _USE_MATH_DEFINES
#include <array>
#include <cassert>
#include <cstdio>
#include <cstring>
#include <iostream>
#include <iomanip>
#include <string>
#include <sstream>
#include <vector>
#include <queue>
#include <stack>
#include <list>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <algorithm>
#include <complex>
#include <cmath>
#include <numeric>
#include <bitset>
#include <functional>
#include <random>
#include <ctime>

using namespace std;

template <typename A, typename B>
ostream& operator <<(ostream& out, const pair<A, B>& a) {
  out << "(" << a.first << "," << a.second << ")";
  return out;
}
template <typename T, size_t N>
ostream& operator <<(ostream& out, const array<T, N>& a) {
  out << "["; bool first = true;
  for (auto& v : a) { out << (first ? "" : ", "); out << v; first = 0;} out << "]";
  return out;
}
template <typename T>
ostream& operator <<(ostream& out, const vector<T>& a) {
  out << "["; bool first = true;
  for (auto v : a) { out << (first ? "" : ", "); out << v; first = 0;} out << "]";
  return out;
}
template <typename T, class Cmp>
ostream& operator <<(ostream& out, const set<T, Cmp>& a) {
  out << "{"; bool first = true;
  for (auto& v : a) { out << (first ? "" : ", "); out << v; first = 0;} out << "}";
  return out;
}
template <typename U, typename T, class Cmp>
ostream& operator <<(ostream& out, const map<U, T, Cmp>& a) {
  out << "{"; bool first = true;
  for (auto& p : a) { out << (first ? "" : ", "); out << p.first << ":" << p.second; first = 0;} out << "}";
  return out;
}
#ifdef LOCAL
#define trace(...) __f(#__VA_ARGS__, __VA_ARGS__)
#else
#define trace(...) 42
#endif
template <typename Arg1>
void __f(const char* name, Arg1&& arg1){
  cerr << name << ": " << arg1 << endl;
}
template <typename Arg1, typename... Args>
void __f(const char* names, Arg1&& arg1, Args&&... args){
  const char* comma = strchr(names + 1, ',');
  cerr.write(names, comma - names) << ": " << arg1 << " |";
  __f(comma + 1, args...);
}

template <class T> auto vect(const T& v, int n) { return vector<T>(n, v); }
template <class T, class... D> auto vect(const T& v, int n, D... m) {
  return vector<decltype(vect(v, m...))>(n, vect(v, m...));
}

typedef long long int64;
typedef pair<int64, int64> ii;
#define SZ(x) (int)((x).size())
template <typename T> static constexpr T inf = numeric_limits<T>::max() / 2;
const int MOD = 1e9 + 7;
// const int MOD = 998244353;
mt19937 mrand(random_device{}());
int rnd(int x) { return mrand() % x; }
// mt19937_64 mrand(random_device{}());
// int64 rnd(int64 x) { return mrand() % x; }
template <class T> void out(const vector<T>& a) { for (int i = 0; i < SZ(a); ++i) cout << a[i] << " \n"[i + 1 == SZ(a)]; }
template <class T> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; }
template <class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }
template <class T> void dedup(vector<T>& v) { sort(v.begin(), v.end()); v.erase(unique(v.begin(), v.end()), v.end()); }
void add(int& x, int y) { x += y; if (x >= MOD) x -= MOD; }

struct fast_ios {
  fast_ios() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    cout << fixed << setprecision(10);
  };
} fast_ios_;

const int N = 3e5 + 10;
vector<ii> a[N];
int64 d[N];

void add_edge(int x, int y, int z) {
  a[x].push_back({y, z});
  a[y].push_back({x, z});
}

void dijkstra(int s, int n) {
  fill(d, d + n, inf<int64>);
  d[s] = 0;
  priority_queue<ii, vector<ii>, greater<ii>> Q;
  Q.push({d[s], s});
  while (!Q.empty()) {
    auto [dd, u] = Q.top();
    Q.pop();
    if (dd != d[u]) continue;
    for (auto& [v, w] : a[u]) {
      if (d[v] > d[u] + w) {
        d[v] = d[u] + w;
        Q.push({d[v], v});
      }
    }
  }
}

int main() {
  int n, m;
  cin >> n >> m;
  for (int i = 0; i < m; ++i) {
    int len, cost;
    cin >> len >> cost;
    vector<int> c(len);
    for (int j = 0; j < len; ++j) {
      int x;
      cin >> x;
      --x;
      add_edge(x, n + i * 2 + x % 2, cost + x + 1);
      add_edge(n + i * 2, n + i * 2 + 1, 1);
    }
  }
  dijkstra(0, n + m * 2);
  int64 ret = d[n - 1];
  if (ret == inf<int64>) ret = -2;
  cout << ret / 2 << '\n';
  return 0;
}
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