結果
| 問題 |
No.1 道のショートカット
|
| コンテスト | |
| ユーザー |
tancahn2380
|
| 提出日時 | 2018-03-29 13:02:46 |
| 言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
| 結果 |
AC
|
| 実行時間 | 8 ms / 5,000 ms |
| コード長 | 2,612 bytes |
| コンパイル時間 | 1,026 ms |
| コンパイル使用メモリ | 114,320 KB |
| 実行使用メモリ | 9,984 KB |
| 最終ジャッジ日時 | 2024-07-20 16:35:18 |
| 合計ジャッジ時間 | 2,522 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 40 |
ソースコード
# include <iostream>
# include <algorithm>
# include <vector>
# include <string>
# include <set>
# include <map>
# include <cmath>
# include <iomanip>
# include <functional>
# include <utility>
# include <stack>
# include <queue>
# include <list>
# include <tuple>
# include <unordered_map>
# include <numeric>
# include <complex>
# include <bitset>
# include <random>
# include <chrono>
using namespace std;
using LL = long long;
using ULL = unsigned long long;
constexpr int INF = 2147483647;
constexpr int HINF = INF / 2;
constexpr double DINF = 100000000000000000.0;
constexpr double HDINF = 50000000000000000.0;
constexpr long long LINF = 9223372036854775807;
constexpr long long HLINF = 4500000000000000000;
const double PI = acos(-1);
int dx[4] = { 0,1,0,-1 }, dy[4] = { 1,0,-1,0 };
template <typename T_char>T_char TL(T_char cX) { return tolower(cX); };
template <typename T_char>T_char TU(T_char cX) { return toupper(cX); };
# define ALL(x) (x).begin(),(x).end()
# define UNIQ(c) (c).erase(unique(ALL((c))),(c).end())
# define LOWER(s) transform(ALL((s)),(s).begin(),TL<char>)
# define UPPER(s) transform(ALL((s)),(s).begin(),TU<char>)
# define mp make_pair
# define eb emplace_back
# define FOR(i,a,b) for(LL i=(a);i<(b);i++)
# define RFOR(i,a,b) for(LL i=(a);i>=(b);i--)
# define REP(i,n) FOR(i,0,n)
# define INIT std::ios::sync_with_stdio(false);std::cin.tie(0)
int n, c, v;
int s[101010], t[101010], y[101010], m[101010];
struct edge { LL to, cost, pay; };
typedef pair<LL, pair<int, int>> P;
LL d[1515][330]; //距離
vector<edge> vec[100100];
void dijkstra() {
for (int i = 0; i < 1515; i++)REP(j, 330)d[i][j] = HLINF;
priority_queue<P, std::vector<P>, std::greater<P>> pq;
d[1][0] = 0;
pq.push(make_pair(d[1][0], mp(1, 0)));//cost,to
while (!pq.empty()) {
P p = pq.top();
pq.pop();
int i = p.second.first;
int j = p.second.second;
for (int k = 0; k < vec[i].size(); k++) {
edge e = vec[i][k];
if (j + e.pay > c)continue;
if (d[e.to][j + e.pay] <= d[i][j] + e.cost)continue;
d[e.to][j + e.pay] = d[i][j] + e.cost;
pq.push(make_pair(d[e.to][j + e.pay], mp(e.to, j + e.pay)));
}
}
}
int main() {
cin >> n >> c >> v;
REP(i, v) {
cin >> s[i];
}
REP(i, v) {
cin >> t[i];
}
REP(i, v) {
cin >> y[i];
}
REP(i, v) {
cin >> m[i];
}
REP(i, v) {
vec[s[i]].emplace_back(edge{ t[i],m[i],y[i] });
//vec[t[i]].emplace_back(edge{ s[i],m[i],y[i] });
}
dijkstra();
LL ans = HLINF;
for(int i = c; i >= 0; i--) {
ans = min(ans, d[n][i]);
}
cout << (ans == HLINF ? -1 : ans) << endl;
//system("pause");
}
tancahn2380