oj.uz

Submission #962497

# Submission time Handle Problem Language Result Execution time Memory
962497 2024-04-13T17:19:09 Z BhavayGoyal Jakarta Skyscrapers (APIO15_skyscraper) C++14
36 / 100
 1000 ms 238720 KB 
#include <bits/stdc++.h>
using namespace std;

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;

template<class T> using oset = 
            tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

#define ll long long
#define ld long double
#define ar array
#define vi vector<int>
#define vii vector<vector<int>>
#define pii pair<int, int>
#define pb push_back
#define all(x) x.begin(), x.end()
#define f first
#define s second
#define endl "\n"

const int MOD = 1e9+7;
const int inf = 1e9;
const ll linf = 1e18;

const int d4i[4]={-1, 0, 1, 0}, d4j[4]={0, 1, 0, -1};
const int d8i[8]={-1, -1, 0, 1, 1, 1, 0, -1}, d8j[8]={0, 1, 1, 1, 0, -1, -1, -1};

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());


// -------------------------------------------------- Main Code --------------------------------------------------

const int N = 3e4+4;
int n, m, power[N], position[N];
vi building[N];

void sol() {
    cin >> n >> m;
    for (int i = 1; i <= m; i++) {
        int x, p; cin >> x >> p; x++;
        position[i] = x;
        power[i] = p;
        building[x].pb(i);
    }

    priority_queue<array<int, 3>, vector<array<int, 3>>, greater<>> q;
    q.push({0, 1, position[1]}); //  curr dist, curr dogde, curr building
    vii dis(m+1, vi(n+1, inf));
    dis[1][position[1]] = 0;
    while (!q.empty()) {
        array<int, 3> f = q.top(); q.pop();
        int currDoge = f[1], currBuild = f[2], dist = f[0];
        if (dist != dis[currDoge][currBuild]) continue;

        if (currDoge == 2) {
            cout << dist << endl; 
            return;
        }

        // go to a differeent doge
        for (auto chDoge : building[currBuild]) {
            if (dis[chDoge][currBuild] > dis[currDoge][currBuild]) {
                dis[chDoge][currBuild] = dis[currDoge][currBuild];
                q.push({dis[chDoge][currBuild], chDoge, currBuild});
            }
        }

        // go to next building
        if (power[currDoge] + currBuild <= n) {
            int chBuild = power[currDoge] + currBuild;
            if (dis[currDoge][chBuild] > dis[currDoge][currBuild] + 1) {
                dis[currDoge][chBuild] = dis[currDoge][currBuild] + 1;
                q.push({dis[currDoge][chBuild], currDoge, chBuild});
            }
        }

        // go to previous building
        if (currBuild - power[currDoge] >= 1) {
            int chBuild = currBuild - power[currDoge];
            if (dis[currDoge][chBuild] > dis[currDoge][currBuild] + 1) {
                dis[currDoge][chBuild] = dis[currDoge][currBuild] + 1;
                q.push({dis[currDoge][chBuild], currDoge, chBuild});
            }
        }
    }

    cout << -1 << endl;
}

int main () {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int t = 1;
    // cin >> t; 
    while (t--) {
        sol();
    }
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1116 KB Output is correct
2 Correct 1 ms 1112 KB Output is correct
3 Correct 1 ms 1116 KB Output is correct
4 Correct 1 ms 1112 KB Output is correct
5 Correct 1 ms 1116 KB Output is correct
6 Correct 1 ms 1172 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1116 KB Output is correct
2 Correct 1 ms 1116 KB Output is correct
3 Correct 1 ms 1168 KB Output is correct
4 Correct 1 ms 1116 KB Output is correct
5 Correct 1 ms 1116 KB Output is correct
6 Correct 1 ms 1116 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct
8 Correct 1 ms 1268 KB Output is correct
9 Correct 1 ms 1116 KB Output is correct
10 Correct 1 ms 1372 KB Output is correct
11 Correct 1 ms 1952 KB Output is correct
12 Correct 2 ms 1884 KB Output is correct
13 Correct 8 ms 2140 KB Output is correct
14 Correct 2 ms 1884 KB Output is correct
15 Correct 2 ms 1884 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1116 KB Output is correct
2 Correct 1 ms 1036 KB Output is correct
3 Correct 1 ms 1116 KB Output is correct
4 Correct 1 ms 1116 KB Output is correct
5 Correct 1 ms 1116 KB Output is correct
6 Correct 1 ms 1116 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct
8 Correct 1 ms 1116 KB Output is correct
9 Correct 1 ms 1176 KB Output is correct
10 Correct 1 ms 1116 KB Output is correct
11 Correct 1 ms 2136 KB Output is correct
12 Correct 1 ms 1884 KB Output is correct
13 Correct 9 ms 2180 KB Output is correct
14 Correct 2 ms 1880 KB Output is correct
15 Correct 2 ms 1884 KB Output is correct
16 Correct 1 ms 1884 KB Output is correct
17 Correct 3 ms 6492 KB Output is correct
18 Correct 3 ms 8028 KB Output is correct
19 Correct 3 ms 5468 KB Output is correct
20 Correct 367 ms 17036 KB Output is correct
21 Correct 2 ms 2904 KB Output is correct
22 Correct 2 ms 6236 KB Output is correct
23 Correct 3 ms 7260 KB Output is correct
24 Correct 7 ms 15196 KB Output is correct
25 Correct 8 ms 16988 KB Output is correct
26 Correct 7 ms 16732 KB Output is correct
27 Correct 8 ms 17240 KB Output is correct
28 Correct 7 ms 16984 KB Output is correct
29 Correct 9 ms 7004 KB Output is correct
30 Correct 3 ms 2396 KB Output is correct
31 Correct 5 ms 5724 KB Output is correct
32 Correct 4 ms 4956 KB Output is correct
33 Correct 21 ms 17020 KB Output is correct
34 Correct 20 ms 16984 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1116 KB Output is correct
2 Correct 1 ms 1116 KB Output is correct
3 Correct 1 ms 1116 KB Output is correct
4 Correct 1 ms 1116 KB Output is correct
5 Correct 1 ms 1116 KB Output is correct
6 Correct 1 ms 1116 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct
8 Correct 1 ms 1116 KB Output is correct
9 Correct 1 ms 1116 KB Output is correct
10 Correct 1 ms 1372 KB Output is correct
11 Correct 1 ms 1884 KB Output is correct
12 Correct 1 ms 1952 KB Output is correct
13 Correct 8 ms 2140 KB Output is correct
14 Correct 2 ms 1884 KB Output is correct
15 Correct 2 ms 1884 KB Output is correct
16 Correct 1 ms 1884 KB Output is correct
17 Correct 3 ms 6492 KB Output is correct
18 Correct 4 ms 8028 KB Output is correct
19 Correct 3 ms 5372 KB Output is correct
20 Correct 370 ms 17292 KB Output is correct
21 Correct 2 ms 2908 KB Output is correct
22 Correct 2 ms 6236 KB Output is correct
23 Correct 3 ms 7304 KB Output is correct
24 Correct 8 ms 15260 KB Output is correct
25 Correct 7 ms 16988 KB Output is correct
26 Correct 7 ms 16732 KB Output is correct
27 Correct 7 ms 16984 KB Output is correct
28 Correct 8 ms 16984 KB Output is correct
29 Correct 9 ms 7000 KB Output is correct
30 Correct 3 ms 2392 KB Output is correct
31 Correct 6 ms 5724 KB Output is correct
32 Correct 4 ms 4952 KB Output is correct
33 Correct 21 ms 16984 KB Output is correct
34 Correct 18 ms 17016 KB Output is correct
35 Correct 71 ms 147960 KB Output is correct
36 Correct 9 ms 21596 KB Output is correct
37 Correct 64 ms 150068 KB Output is correct
38 Correct 115 ms 237972 KB Output is correct
39 Correct 86 ms 237880 KB Output is correct
40 Correct 94 ms 237724 KB Output is correct
41 Correct 105 ms 238280 KB Output is correct
42 Correct 86 ms 237548 KB Output is correct
43 Correct 91 ms 238164 KB Output is correct
44 Execution timed out 1055 ms 238720 KB Time limit exceeded
45 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1116 KB Output is correct
2 Correct 1 ms 1116 KB Output is correct
3 Correct 1 ms 1116 KB Output is correct
4 Correct 1 ms 1180 KB Output is correct
5 Correct 1 ms 1116 KB Output is correct
6 Correct 1 ms 1116 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct
8 Correct 1 ms 1176 KB Output is correct
9 Correct 1 ms 1116 KB Output is correct
10 Correct 1 ms 1176 KB Output is correct
11 Correct 2 ms 1884 KB Output is correct
12 Correct 1 ms 1952 KB Output is correct
13 Correct 7 ms 2004 KB Output is correct
14 Correct 2 ms 1884 KB Output is correct
15 Correct 2 ms 1884 KB Output is correct
16 Correct 1 ms 1884 KB Output is correct
17 Correct 3 ms 6332 KB Output is correct
18 Correct 4 ms 8024 KB Output is correct
19 Correct 2 ms 5468 KB Output is correct
20 Correct 402 ms 17296 KB Output is correct
21 Correct 2 ms 2904 KB Output is correct
22 Correct 3 ms 6236 KB Output is correct
23 Correct 5 ms 7072 KB Output is correct
24 Correct 8 ms 15196 KB Output is correct
25 Correct 9 ms 16896 KB Output is correct
26 Correct 7 ms 16732 KB Output is correct
27 Correct 7 ms 16980 KB Output is correct
28 Correct 8 ms 16988 KB Output is correct
29 Correct 8 ms 7000 KB Output is correct
30 Correct 3 ms 2396 KB Output is correct
31 Correct 6 ms 5724 KB Output is correct
32 Correct 4 ms 4956 KB Output is correct
33 Correct 22 ms 16988 KB Output is correct
34 Correct 15 ms 16988 KB Output is correct
35 Correct 70 ms 147904 KB Output is correct
36 Correct 9 ms 21592 KB Output is correct
37 Correct 63 ms 149944 KB Output is correct
38 Correct 93 ms 237628 KB Output is correct
39 Correct 87 ms 237788 KB Output is correct
40 Correct 93 ms 237848 KB Output is correct
41 Correct 96 ms 238264 KB Output is correct
42 Correct 91 ms 237676 KB Output is correct
43 Correct 88 ms 238152 KB Output is correct
44 Execution timed out 1067 ms 238568 KB Time limit exceeded
45 Halted 0 ms 0 KB -