oj.uz

Submission #753955

# Submission time Handle Problem Language Result Execution time Memory
753955 2023-06-06T11:32:53 Z pavement Soccer (JOI17_soccer) C++17
5 / 100
 3000 ms 75020 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
//~ #define int long long
#define mp make_pair
#define mt make_tuple
#define pb push_back
#define ppb pop_back
#define eb emplace_back
#define g0(a) get<0>(a)
#define g1(a) get<1>(a)
#define g2(a) get<2>(a)
#define g3(a) get<3>(a)
#define g4(a) get<4>(a)
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
using db = double;
using ll = long long;
using ld = long double;
using ii = pair<int, int>;
using iii = tuple<int, int, int>;
using iiii = tuple<int, int, int, int>;
using iiiii = tuple<int, int, int, int, int>;
template<class key, class value = null_type, class cmp = less<key> >
using ordered_set = tree<key, value, cmp, rb_tree_tag, tree_order_statistics_node_update>;

using lii = tuple<ll, int, int>;

int H, W, N, sS, sT, eS, eT, dr[] = {-1, 0, 0, 1}, dc[] = {0, -1, 1, 0}, dist[505][505];
ll A, B, C, ans[505][505];
queue<iii> Q;
queue<lii> pq;

main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> H >> W >> A >> B >> C >> N;
	H++;
	W++;
	for (int i = 1; i <= H; i++) {
		for (int j = 1; j <= W; j++) {
			dist[i][j] = (int)1e9;
			ans[i][j] = (ll)1e16;
		}
	}
	for (int i = 1, S, T; i <= N; i++) {
		cin >> S >> T;
		S++;
		T++;
		dist[S][T] = 0;
		Q.emplace(0, S, T);
		if (i == 1) sS = S, sT = T;
		else if (i == N) eS = S, eT = T;
	}
	while (!Q.empty()) {
		auto [d, r, c] = Q.front();
		Q.pop();
		if (d != dist[r][c]) continue;
		for (int k = 0; k < 4; k++) {
			int nr = r + dr[k], nc = c + dc[k];
			if (1 <= nr && nr <= H && 1 <= nc && nc <= W && dist[nr][nc] > d + 1) {
				dist[nr][nc] = d + 1;
				Q.emplace(d + 1, nr, nc);
			}
		}
	}
	ans[sS][sT] = 0;
	pq.emplace(0, sS, sT);
	while (!pq.empty()) {
		auto [d, r, c] = pq.front();
		pq.pop();
		if (d != ans[r][c]) continue;
		for (int p1 = r, p2 = r; p1 >= 1 || p2 <= H; p1--, p2++) {
			for (int k : {p1, p2}) {
				if (k < 1 || k > H) continue;
				ll c1 = d + C * llabs(k - r);
				ll c2 = d + A * llabs(k - r) + B + C * dist[k][c];
				ll cur = min(c1, c2);
				if (ans[k][c] > cur) {
					ans[k][c] = cur;
					pq.emplace(ans[k][c], k, c);
				}
			}
		}
		for (int p1 = c, p2 = c; p1 >= 1 || p2 <= W; p1--, p2++) {
			for (int k : {p1, p2}) {
				if (k < 1 || k > W) continue;
				ll c1 = d + C * llabs(k - c);
				ll c2 = d + A * llabs(k - c) + B + C * dist[r][k];
				ll cur = min(c1, c2);
				if (ans[r][k] > cur) {
					ans[r][k] = cur;
					pq.emplace(ans[r][k], r, k);
				}
			}
		}
	}
	cout << ans[eS][eT] << '\n';
}

Compilation message

soccer.cpp:35:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   35 | main() {
      | ^~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 176 ms 15524 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1840 ms 75020 KB Output is correct
4 Correct 1315 ms 69244 KB Output is correct
5 Correct 315 ms 3932 KB Output is correct

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2192 ms 32576 KB Output is correct
2 Correct 2164 ms 30032 KB Output is correct
3 Correct 1806 ms 36208 KB Output is correct
4 Execution timed out 3045 ms 12456 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #3
0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 176 ms 15524 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1840 ms 75020 KB Output is correct
4 Correct 1315 ms 69244 KB Output is correct
5 Correct 315 ms 3932 KB Output is correct
6 Correct 2192 ms 32576 KB Output is correct
7 Correct 2164 ms 30032 KB Output is correct
8 Correct 1806 ms 36208 KB Output is correct
9 Execution timed out 3045 ms 12456 KB Time limit exceeded
10 Halted 0 ms 0 KB -