oj.uz

Submission #722403

# Submission time Handle Problem Language Result Execution time Memory
722403 2023-04-11T22:07:56 Z n0sk1ll Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 598 ms 262144 KB 
#include <bits/stdc++.h>

#define FAST ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);cerr.tie(0)
#define mp make_pair
#define xx first
#define yy second
#define pb push_back
#define pf push_front
#define popb pop_back
#define popf pop_front
#define all(x) x.begin(),x.end()
#define ff(i,a,b) for (int i = a; i < b; i++)
#define fff(i,a,b) for (int i = a; i <= b; i++)
#define bff(i,a,b) for (int i = b-1; i >= a; i--)
#define bfff(i,a,b) for (int i = b; i >= a; i--)

using namespace std;
long double typedef ld;
unsigned int typedef ui;
long long int typedef li;
pair<int,int> typedef pii;
pair<li,li> typedef pli;
pair<ld,ld> typedef pld;
vector<vector<int>> typedef graph;
unsigned long long int typedef ull;
//const int mod = 998244353;
//const int mod = 1000000007;







//Note to self: Check for overflow

bool vis[30003];
set<int> psi[30003];

vector<pii> g[30003];

int main()
{
    FAST;

    int n,m; cin>>n>>m;
    set<pii> doges;

    int s,t;
    ff(i,0,m)
    {
        int b,p; cin>>b>>p;
        doges.insert({b,p});
        if (i==0) s=b;
        if (i==1) t=b;
    }

    for (auto [b,p] : doges) psi[b].insert(-p);

    vector<bool> tempvis(n,0);

    ff(i,0,n)
    {
        for (auto __jmp : psi[i])
        {
            int jmp=-__jmp;
            int tez=1;
            int tit=i;
            while (true)
            {
                int got=tit+jmp;
                if (got>=n) break;
                if (!tempvis[got] && !psi[got].empty()) g[i].pb({got,tez}),tempvis[got]=true;
                tit=got,tez++;
                if (psi[tit].count(jmp)) break;
            }

            tez=1;
            tit=i;
            while (true)
            {
                int got=tit-jmp;
                if (got<0) break;
                if (!tempvis[got] && !psi[got].empty()) g[i].pb({got,tez}),tempvis[got]=true;
                tit=got,tez++;
                if (psi[tit].count(jmp)) break;
            }
        }

        for (auto sta : g[i]) tempvis[sta.xx]=0;
    }

    priority_queue<pii,vector<pii>,greater<pii>> pq;
    pq.push({0,s});

    while (!pq.empty())
    {
        if ((int)pq.size()>=3'500'000) break;
        
        auto [d,p]=pq.top(); pq.pop();
        if (vis[p]) continue; vis[p]=1;
        if (p==t) return cout<<d,0;

        for (auto [it,w] : g[p]) if (!vis[it]) pq.push({w+d,it});
    }

    cout<<-1;
}

//Note to self: Check for overflow

/*

5 3
0 2
1 1
4 1

*/

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:58:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   58 |     for (auto [b,p] : doges) psi[b].insert(-p);
      |               ^
skyscraper.cpp:100:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
  100 |         auto [d,p]=pq.top(); pq.pop();
      |              ^
skyscraper.cpp:101:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  101 |         if (vis[p]) continue; vis[p]=1;
      |         ^~
skyscraper.cpp:101:31: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
  101 |         if (vis[p]) continue; vis[p]=1;
      |                               ^~~
skyscraper.cpp:104:19: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
  104 |         for (auto [it,w] : g[p]) if (!vis[it]) pq.push({w+d,it});
      |                   ^
skyscraper.cpp:102:9: warning: 't' may be used uninitialized in this function [-Wmaybe-uninitialized]
  102 |         if (p==t) return cout<<d,0;
      |         ^~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2388 KB Output is correct
2 Correct 1 ms 2388 KB Output is correct
3 Correct 1 ms 2388 KB Output is correct
4 Correct 1 ms 2388 KB Output is correct
5 Correct 1 ms 2388 KB Output is correct
6 Correct 1 ms 2388 KB Output is correct
7 Correct 1 ms 2388 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2388 KB Output is correct
2 Correct 1 ms 2388 KB Output is correct
3 Correct 2 ms 2388 KB Output is correct
4 Correct 1 ms 2388 KB Output is correct
5 Correct 1 ms 2388 KB Output is correct
6 Correct 1 ms 2388 KB Output is correct
7 Correct 1 ms 2388 KB Output is correct
8 Correct 1 ms 2388 KB Output is correct
9 Correct 2 ms 2388 KB Output is correct
10 Correct 2 ms 2448 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 2 ms 2388 KB Output is correct
13 Correct 3 ms 2516 KB Output is correct
14 Correct 4 ms 2644 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2388 KB Output is correct
2 Correct 2 ms 2388 KB Output is correct
3 Correct 2 ms 2388 KB Output is correct
4 Correct 1 ms 2388 KB Output is correct
5 Correct 2 ms 2388 KB Output is correct
6 Correct 1 ms 2388 KB Output is correct
7 Correct 1 ms 2388 KB Output is correct
8 Correct 1 ms 2388 KB Output is correct
9 Correct 2 ms 2388 KB Output is correct
10 Correct 2 ms 2388 KB Output is correct
11 Correct 3 ms 2644 KB Output is correct
12 Correct 2 ms 2388 KB Output is correct
13 Correct 4 ms 2516 KB Output is correct
14 Correct 4 ms 2644 KB Output is correct
15 Correct 3 ms 2644 KB Output is correct
16 Correct 2 ms 2516 KB Output is correct
17 Correct 4 ms 2900 KB Output is correct
18 Correct 2 ms 2464 KB Output is correct
19 Correct 2 ms 2388 KB Output is correct
20 Correct 370 ms 42956 KB Output is correct
21 Correct 2 ms 2516 KB Output is correct
22 Correct 2 ms 2516 KB Output is correct
23 Correct 2 ms 2516 KB Output is correct
24 Correct 3 ms 2644 KB Output is correct
25 Correct 3 ms 2644 KB Output is correct
26 Correct 2 ms 2388 KB Output is correct
27 Correct 2 ms 2388 KB Output is correct
28 Correct 2 ms 2772 KB Output is correct
29 Correct 2 ms 2516 KB Output is correct
30 Correct 1 ms 2388 KB Output is correct
31 Correct 2 ms 2388 KB Output is correct
32 Correct 1 ms 2388 KB Output is correct
33 Correct 3 ms 2644 KB Output is correct
34 Correct 3 ms 2644 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2388 KB Output is correct
2 Correct 2 ms 2388 KB Output is correct
3 Correct 2 ms 2388 KB Output is correct
4 Correct 2 ms 2380 KB Output is correct
5 Correct 1 ms 2388 KB Output is correct
6 Correct 2 ms 2388 KB Output is correct
7 Correct 2 ms 2388 KB Output is correct
8 Correct 1 ms 2388 KB Output is correct
9 Correct 2 ms 2388 KB Output is correct
10 Correct 2 ms 2388 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 2 ms 2388 KB Output is correct
13 Correct 2 ms 2516 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 2 ms 2516 KB Output is correct
17 Correct 3 ms 2900 KB Output is correct
18 Correct 2 ms 2516 KB Output is correct
19 Correct 1 ms 2388 KB Output is correct
20 Correct 369 ms 42940 KB Output is correct
21 Correct 2 ms 2516 KB Output is correct
22 Correct 2 ms 2516 KB Output is correct
23 Correct 2 ms 2516 KB Output is correct
24 Correct 3 ms 2644 KB Output is correct
25 Correct 2 ms 2644 KB Output is correct
26 Correct 2 ms 2388 KB Output is correct
27 Correct 3 ms 2352 KB Output is correct
28 Correct 3 ms 2772 KB Output is correct
29 Correct 2 ms 2516 KB Output is correct
30 Correct 2 ms 2388 KB Output is correct
31 Correct 2 ms 2388 KB Output is correct
32 Correct 2 ms 2388 KB Output is correct
33 Correct 3 ms 2644 KB Output is correct
34 Correct 3 ms 2644 KB Output is correct
35 Correct 22 ms 6800 KB Output is correct
36 Correct 5 ms 3028 KB Output is correct
37 Correct 23 ms 8192 KB Output is correct
38 Correct 35 ms 8088 KB Output is correct
39 Correct 28 ms 7620 KB Output is correct
40 Correct 27 ms 7508 KB Output is correct
41 Correct 24 ms 7768 KB Output is correct
42 Correct 5 ms 2388 KB Output is correct
43 Correct 5 ms 2388 KB Output is correct
44 Correct 405 ms 43060 KB Output is correct
45 Correct 23 ms 5588 KB Output is correct
46 Correct 21 ms 5584 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2388 KB Output is correct
2 Correct 2 ms 2388 KB Output is correct
3 Correct 1 ms 2388 KB Output is correct
4 Correct 1 ms 2388 KB Output is correct
5 Correct 2 ms 2388 KB Output is correct
6 Correct 1 ms 2388 KB Output is correct
7 Correct 1 ms 2388 KB Output is correct
8 Correct 1 ms 2388 KB Output is correct
9 Correct 1 ms 2388 KB Output is correct
10 Correct 2 ms 2388 KB Output is correct
11 Correct 3 ms 2644 KB Output is correct
12 Correct 2 ms 2388 KB Output is correct
13 Correct 3 ms 2516 KB Output is correct
14 Correct 3 ms 2644 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 2 ms 2516 KB Output is correct
17 Correct 3 ms 2900 KB Output is correct
18 Correct 2 ms 2516 KB Output is correct
19 Correct 2 ms 2388 KB Output is correct
20 Correct 402 ms 43068 KB Output is correct
21 Correct 2 ms 2516 KB Output is correct
22 Correct 2 ms 2516 KB Output is correct
23 Correct 2 ms 2516 KB Output is correct
24 Correct 3 ms 2644 KB Output is correct
25 Correct 2 ms 2644 KB Output is correct
26 Correct 2 ms 2388 KB Output is correct
27 Correct 2 ms 2388 KB Output is correct
28 Correct 3 ms 2772 KB Output is correct
29 Correct 2 ms 2516 KB Output is correct
30 Correct 2 ms 2388 KB Output is correct
31 Correct 2 ms 2388 KB Output is correct
32 Correct 3 ms 2388 KB Output is correct
33 Correct 4 ms 2644 KB Output is correct
34 Correct 3 ms 2644 KB Output is correct
35 Correct 26 ms 6888 KB Output is correct
36 Correct 4 ms 3100 KB Output is correct
37 Correct 21 ms 8276 KB Output is correct
38 Correct 26 ms 8112 KB Output is correct
39 Correct 24 ms 7636 KB Output is correct
40 Correct 25 ms 7484 KB Output is correct
41 Correct 26 ms 7796 KB Output is correct
42 Correct 5 ms 2448 KB Output is correct
43 Correct 6 ms 2388 KB Output is correct
44 Correct 416 ms 43032 KB Output is correct
45 Correct 21 ms 5588 KB Output is correct
46 Correct 20 ms 5656 KB Output is correct
47 Correct 49 ms 18068 KB Output is correct
48 Correct 22 ms 6012 KB Output is correct
49 Correct 15 ms 5304 KB Output is correct
50 Correct 12 ms 4436 KB Output is correct
51 Correct 34 ms 8760 KB Output is correct
52 Correct 41 ms 9380 KB Output is correct
53 Correct 20 ms 5948 KB Output is correct
54 Correct 1 ms 2388 KB Output is correct
55 Correct 2 ms 2388 KB Output is correct
56 Runtime error 598 ms 262144 KB Execution killed with signal 9
57 Halted 0 ms 0 KB -