oj.uz

Submission #832473

# Submission time Handle Problem Language Result Execution time Memory
832473 2023-08-21T10:44:36 Z maomao90 Sky Walking (IOI19_walk) C++17
10 / 100
 4000 ms 317296 KB 
// I can do all things through Christ who strenghthens me
// Philippians 4:13

#include "bits/stdc++.h"
#include "walk.h"
using namespace std;

#define REP(i, j, k) for (int i = j; i < (k); i++)
#define RREP(i, j, k) for (int i = j; i >= (k); i--)

template <class T>
inline bool mnto(T &a, const T b) {return a > b ? a = b, 1 : 0;}
template <class T>
inline bool mxto(T &a, const T b) {return a < b ? a = b, 1 : 0;}

typedef long long ll;
typedef long double ld;
#define FI first
#define SE second
typedef pair<int, int> ii;
typedef pair<ll, ll> pll;
#define ALL(x) x.begin(), x.end()
#define SZ(x) (int) x.size()
#define pb push_back
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<ll> vll;
typedef tuple<int, int, int> iii;
typedef tuple<ll, ll, ll> lll;
typedef vector<iii> viii;

#ifndef DEBUG
#define cerr if (0) cerr
#endif

const int INF = 1000000005;
const ll LINF = 1000000000000000005;
const int MAXN = 100005;

int n, m;
vi vy[MAXN];
map<int, int> mp[MAXN];
vll d[MAXN];
priority_queue<lll, vector<lll>, greater<lll>> pq;

ll min_distance(vi x, vi h, vi l, vi r, vi y, int s, int g) {
    n = SZ(x), m = SZ(l);
    REP (i, 0, m) {
        REP (p, l[i], r[i] + 1) {
            if (h[p] < y[i]) {
                continue;
            }
            mp[p][y[i]] = SZ(vy[p]);
            vy[p].pb(i);
        }
    }
    REP (i, 0, n) {
        d[i] = vll(SZ(vy[i]), LINF);
        sort(ALL(vy[i]), [&] (int l, int r) {
                return y[l] < y[r];
                });
    }
    REP (j, 0, SZ(vy[s])) {
        d[s][j] = y[vy[s][j]];
        pq.push({d[s][j], s, j});
    }
    while (!pq.empty()) {
        auto [ud, up, ui] = pq.top(); pq.pop();
        if (ud != d[up][ui]) {
            continue;
        }
        int id = vy[up][ui];
        cerr << up << ' ' << y[id] << ": " << ud << '\n';
        REP (j, max(0, (int) ui - 1), min(SZ(vy[up]), (int) ui + 2)) {
            if (mnto(d[up][j], ud + abs(y[id] - y[vy[up][j]]))) {
                pq.push({d[up][j], up, j});
            }
        }
        REP (p, l[id], r[id] + 1) {
            if (h[p] < y[id]) {
                continue;
            }
            //int j = mp[p][y[id]];
            REP (j, 0, SZ(vy[p])) {
                if (y[vy[p][j]] != y[id]) {
                    continue;
                }
                if (mnto(d[p][j], ud + abs(x[p] - x[up]))) {
                    pq.push({d[p][j], p, j});
                }
            }
        }
    }
    ll ans = LINF;
    REP (j, 0, SZ(vy[g])) {
        mnto(ans, d[g][j] + y[vy[g][j]]);
    }
    if (ans == LINF) {
        return -1;
    }
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9668 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 4 ms 9696 KB Output is correct
4 Correct 4 ms 9684 KB Output is correct
5 Correct 5 ms 9740 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 5 ms 9684 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 5 ms 9772 KB Output is correct
11 Correct 4 ms 9684 KB Output is correct
12 Correct 4 ms 9684 KB Output is correct
13 Correct 4 ms 9632 KB Output is correct
14 Correct 6 ms 9596 KB Output is correct
15 Correct 5 ms 9684 KB Output is correct
16 Correct 4 ms 9684 KB Output is correct
17 Correct 5 ms 9684 KB Output is correct

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 4 ms 9684 KB Output is correct
3 Correct 1040 ms 55808 KB Output is correct
4 Correct 425 ms 60432 KB Output is correct
5 Correct 207 ms 52204 KB Output is correct
6 Correct 848 ms 47244 KB Output is correct
7 Correct 216 ms 52332 KB Output is correct
8 Correct 1848 ms 67604 KB Output is correct
9 Correct 257 ms 52356 KB Output is correct
10 Correct 695 ms 78200 KB Output is correct
11 Correct 248 ms 35472 KB Output is correct
12 Correct 113 ms 29172 KB Output is correct
13 Correct 547 ms 71564 KB Output is correct
14 Correct 3450 ms 28452 KB Output is correct
15 Execution timed out 4059 ms 29200 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 15800 KB Output is correct
2 Execution timed out 4101 ms 317296 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 15800 KB Output is correct
2 Execution timed out 4101 ms 317296 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9668 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 4 ms 9696 KB Output is correct
4 Correct 4 ms 9684 KB Output is correct
5 Correct 5 ms 9740 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 5 ms 9684 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 5 ms 9772 KB Output is correct
11 Correct 4 ms 9684 KB Output is correct
12 Correct 4 ms 9684 KB Output is correct
13 Correct 4 ms 9632 KB Output is correct
14 Correct 6 ms 9596 KB Output is correct
15 Correct 5 ms 9684 KB Output is correct
16 Correct 4 ms 9684 KB Output is correct
17 Correct 5 ms 9684 KB Output is correct
18 Correct 5 ms 9684 KB Output is correct
19 Correct 4 ms 9684 KB Output is correct
20 Correct 1040 ms 55808 KB Output is correct
21 Correct 425 ms 60432 KB Output is correct
22 Correct 207 ms 52204 KB Output is correct
23 Correct 848 ms 47244 KB Output is correct
24 Correct 216 ms 52332 KB Output is correct
25 Correct 1848 ms 67604 KB Output is correct
26 Correct 257 ms 52356 KB Output is correct
27 Correct 695 ms 78200 KB Output is correct
28 Correct 248 ms 35472 KB Output is correct
29 Correct 113 ms 29172 KB Output is correct
30 Correct 547 ms 71564 KB Output is correct
31 Correct 3450 ms 28452 KB Output is correct
32 Execution timed out 4059 ms 29200 KB Time limit exceeded
33 Halted 0 ms 0 KB -