제출 #1148197

#제출 시각아이디문제언어결과실행 시간메모리
1148197monkey133Soccer (JOI17_soccer)C++20
100 / 100
329 ms23812 KiB
#include <bits/stdc++.h> //#include "includeall.h" //#include <ext/pb_ds/assoc_container.hpp> //#include <ext/pb_ds/tree_policy.hpp> #define endl '\n' #define f first #define s second #define pb push_back #define mp make_pair #define lb lower_bound #define ub upper_bound #define input(x) scanf("%lld", &x); #define input2(x, y) scanf("%lld%lld", &x, &y); #define input3(x, y, z) scanf("%lld%lld%lld", &x, &y, &z); #define input4(x, y, z, a) scanf("%lld%lld%lld%lld", &x, &y, &z, &a); #define print(x, y) printf("%lld%c", x, y); #define show(x) cerr << #x << " is " << x << endl; #define show2(x,y) cerr << #x << " is " << x << " " << #y << " is " << y << endl; #define show3(x,y,z) cerr << #x << " is " << x << " " << #y << " is " << y << " " << #z << " is " << z << endl; #define all(x) x.begin(), x.end() #define discretize(x) sort(x.begin(), x.end()); x.erase(unique(x.begin(), x.end()), x.end()); #define FOR(i, x, n) for (ll i =x; i<=n; ++i) #define RFOR(i, x, n) for (ll i =x; i>=n; --i) #pragma GCC optimize("O3","unroll-loops") using namespace std; mt19937_64 rnd(chrono::steady_clock::now().time_since_epoch().count()); //using namespace __gnu_pbds; //#define ordered_set tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> //#define ordered_multiset tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> typedef long long ll; typedef long double ld; typedef pair<ld, ll> pd; typedef pair<string, ll> psl; typedef pair<ll, ll> pi; typedef pair<ll, pi> pii; typedef pair<pi, pi> piii; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); ll const INF = 1e15; ll n, h, w, a, b, c; ll posx[100005], posy[100005]; ll dx[4] = {1, -1, 0, 0}; ll dy[4] = {0, 0, 1, -1}; ll dist[505][505], ans[505][505][5]; void solve() { cin >> h >> w >> a >> b >> c >> n; for (ll i=0; i<=h; ++i) for (ll j=0; j<=w; ++j) dist[i][j] = INF; for (ll i=0; i<=h; ++i) for (ll j=0; j<=w; ++j) for (ll k=0; k<3; ++k) ans[i][j][k] = INF; queue<pi> q; for (ll i=1; i<=n; ++i) { cin >> posx[i] >> posy[i]; dist[posx[i]][posy[i]] = 0; q.push(mp(posx[i], posy[i])); } while (q.size()) { ll x = q.front().f, y = q.front().s; q.pop(); for (ll i=0; i<4; ++i) { ll newx = x + dx[i], newy = y + dy[i]; if (newx < 0 || newx > h || newy < 0 || newy > w) continue; if (dist[newx][newy] > dist[x][y] + 1) { dist[newx][newy] = dist[x][y] + 1; q.push(mp(newx, newy)); } } } ans[posx[1]][posy[1]][0] = 0; priority_queue<piii, vector<piii> , greater<piii> > pq; pq.push(mp(mp(0, 0), mp(posx[1], posy[1]))); while (pq.size()) { ll x = pq.top().s.f, y = pq.top().s.s, t = pq.top().f.s, d = pq.top().f.f; pq.pop(); if (ans[x][y][t] < d) continue; //show3(x, y, t); //show(ans[x][y][t]); if (ans[x][y][0] > ans[x][y][t] + dist[x][y]*c) { ans[x][y][0] = ans[x][y][t] + dist[x][y]*c; pq.push(mp(mp(ans[x][y][0], 0), mp(x, y))); } for (ll i=0; i<4; ++i) { ll newx = x + dx[i], newy = y + dy[i]; if (newx < 0 || newx > h || newy < 0 || newy > w) continue; // 0 - ppl if (t==0) { ll v = c; if (ans[newx][newy][0] > d + v) { ans[newx][newy][0] = d + v; pq.push(mp(mp(d + v, 0), mp(newx, newy))); } } if (i < 2 && t!=2) // 1 { ll v = a; if (t == 0) v += b; if (ans[newx][newy][1] > d + v) { ans[newx][newy][1] = d + v; pq.push(mp(mp(d + v, 1), mp(newx, newy))); } } else if (i >= 2 && t!=1) // 2 { ll v = a; if (t == 0) v += b; if (ans[newx][newy][2] > d + v) { ans[newx][newy][2] = d + v; pq.push(mp(mp(d + v, 2), mp(newx, newy))); } } } } cout << *min_element(ans[posx[n]][posy[n]], ans[posx[n]][posy[n]] + 3) << endl; } int main() { ll t = 1; while (t--) solve(); return 0; }
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