oj.uz

Submission #1110744

# Submission time Handle Problem Language Result Execution time Memory
1110744 2024-11-10T10:06:18 Z sasde Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 791 ms 54472 KB 
#include<bits/stdc++.h>
#define int long long
#define str string
#define task "strdel"
#define ii pair<int,int>
#define iii pair<int,ii>
#define iv pair<ii,ii>
#define se second
#define fi first
#define ffi fi.fi
#define sfi se.fi
#define sse se.se
#define fse fi.se
#define lt(i, c, d) for(int i = c; i <= d; ++i)
#define fl(i, c, d) for(int i = d; i >= c; --i)
#define pb push_back
#define emb emplace_back
#define em emplace
using namespace std;
const int N=1e6+5,lg=20,mod=1e9+7;
mt19937 rd(chrono::steady_clock::now().time_since_epoch().count());
int Rand(int u,int v){
 return u+rd()%(v-u+1);
}
int n,m,s,t,ans,dist[N];
vector<int>a[N];
vector<int>res[N];
bool k[N];
void bfs(int u){
    for(int i=0;i<n;++i)dist[i]=1e18;
    dist[u]=0;
    priority_queue<ii,vector<ii>,greater<ii>>p;
    p.push({dist[u],u});
    while(!p.empty()){
      u=p.top().se;
      int w=p.top().fi;
      p.pop();
      if(dist[u]<w)continue;
       for(int nhay:a[u]){
      for(int i=1;i<=n;++i){
            int v=nhay*i+u;
            if(v>n-1)break;
            if(dist[v]>dist[u]+i){
                dist[v]=dist[u]+i;
                p.push({dist[v],v});
            }
         }
      }
       for(int nhay:a[u]){
      for(int i=1;i<=n;++i){
            int v=u-nhay*i;
            if(v<0)break;
            if(dist[v]>dist[u]+i){
                dist[v]=dist[u]+i;
                p.push({dist[v],v});
            }
         }
      }
    }
}

void solve(){
  cin >> n >> m;
  for(int i=1;i<=m;++i){
    int u,v;
    cin >> u >> v;
    if(i==1)s=u;
    if(i==2)t=u;
    a[u].emb(v);

    
  }
  bfs(s);
  // for(int i=0;i<=n-1;++i)cout<<dist[i]<<" ";
  if(dist[t]==1e18)dist[t]=-1;
  cout << dist[t];
}
main()
{
    srand(time(0));
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    if(fopen(task".inp","r")){
      freopen(task".inp","r",stdin);
      freopen(task".out","w",stdout);
    }
    int t=1;
 //   cin >> t;
while(t--){
    solve();
    cout<<'\n';
}

}

Compilation message

skyscraper.cpp:78:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   78 | main()
      | ^~~~
skyscraper.cpp: In function 'int main()':
skyscraper.cpp:85:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   85 |       freopen(task".inp","r",stdin);
      |       ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
skyscraper.cpp:86:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   86 |       freopen(task".out","w",stdout);
      |       ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 49744 KB Output is correct
2 Correct 9 ms 49488 KB Output is correct
3 Correct 10 ms 49488 KB Output is correct
4 Correct 9 ms 49488 KB Output is correct
5 Correct 9 ms 49488 KB Output is correct
6 Correct 10 ms 49488 KB Output is correct
7 Correct 12 ms 49488 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 49488 KB Output is correct
2 Correct 9 ms 49632 KB Output is correct
3 Correct 10 ms 49488 KB Output is correct
4 Correct 9 ms 49676 KB Output is correct
5 Correct 10 ms 49632 KB Output is correct
6 Correct 11 ms 49488 KB Output is correct
7 Correct 10 ms 49488 KB Output is correct
8 Correct 8 ms 49488 KB Output is correct
9 Correct 9 ms 49488 KB Output is correct
10 Correct 10 ms 49736 KB Output is correct
11 Correct 10 ms 49744 KB Output is correct
12 Correct 11 ms 49916 KB Output is correct
13 Correct 13 ms 49744 KB Output is correct
14 Correct 11 ms 49744 KB Output is correct
15 Correct 9 ms 49916 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 49488 KB Output is correct
2 Correct 10 ms 49684 KB Output is correct
3 Correct 12 ms 49488 KB Output is correct
4 Correct 13 ms 49488 KB Output is correct
5 Correct 12 ms 49488 KB Output is correct
6 Correct 14 ms 49488 KB Output is correct
7 Correct 13 ms 49488 KB Output is correct
8 Correct 13 ms 49488 KB Output is correct
9 Correct 12 ms 49684 KB Output is correct
10 Correct 9 ms 49488 KB Output is correct
11 Correct 10 ms 49744 KB Output is correct
12 Correct 11 ms 49744 KB Output is correct
13 Correct 11 ms 49744 KB Output is correct
14 Correct 12 ms 49744 KB Output is correct
15 Correct 15 ms 49744 KB Output is correct
16 Correct 13 ms 49744 KB Output is correct
17 Correct 14 ms 49744 KB Output is correct
18 Correct 13 ms 49644 KB Output is correct
19 Correct 13 ms 49744 KB Output is correct
20 Correct 17 ms 49608 KB Output is correct
21 Correct 13 ms 49740 KB Output is correct
22 Correct 18 ms 49744 KB Output is correct
23 Correct 15 ms 49744 KB Output is correct
24 Correct 12 ms 49744 KB Output is correct
25 Correct 12 ms 49672 KB Output is correct
26 Correct 18 ms 49744 KB Output is correct
27 Correct 17 ms 49744 KB Output is correct
28 Correct 13 ms 49744 KB Output is correct
29 Correct 11 ms 50000 KB Output is correct
30 Correct 12 ms 49744 KB Output is correct
31 Correct 16 ms 49792 KB Output is correct
32 Correct 13 ms 49744 KB Output is correct
33 Correct 12 ms 50000 KB Output is correct
34 Correct 11 ms 50000 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 49488 KB Output is correct
2 Correct 12 ms 49488 KB Output is correct
3 Correct 11 ms 49500 KB Output is correct
4 Correct 14 ms 49488 KB Output is correct
5 Correct 16 ms 49488 KB Output is correct
6 Correct 16 ms 49628 KB Output is correct
7 Correct 18 ms 49488 KB Output is correct
8 Correct 16 ms 49488 KB Output is correct
9 Correct 15 ms 49496 KB Output is correct
10 Correct 14 ms 49488 KB Output is correct
11 Correct 13 ms 49768 KB Output is correct
12 Correct 16 ms 49744 KB Output is correct
13 Correct 13 ms 49744 KB Output is correct
14 Correct 13 ms 49916 KB Output is correct
15 Correct 9 ms 49744 KB Output is correct
16 Correct 16 ms 49500 KB Output is correct
17 Correct 13 ms 49744 KB Output is correct
18 Correct 13 ms 49744 KB Output is correct
19 Correct 12 ms 49744 KB Output is correct
20 Correct 18 ms 49744 KB Output is correct
21 Correct 13 ms 49744 KB Output is correct
22 Correct 17 ms 49488 KB Output is correct
23 Correct 17 ms 49744 KB Output is correct
24 Correct 20 ms 49744 KB Output is correct
25 Correct 15 ms 49744 KB Output is correct
26 Correct 16 ms 49744 KB Output is correct
27 Correct 16 ms 49744 KB Output is correct
28 Correct 15 ms 49744 KB Output is correct
29 Correct 13 ms 50000 KB Output is correct
30 Correct 14 ms 49744 KB Output is correct
31 Correct 15 ms 49840 KB Output is correct
32 Correct 16 ms 49744 KB Output is correct
33 Correct 17 ms 50000 KB Output is correct
34 Correct 17 ms 50140 KB Output is correct
35 Correct 20 ms 50000 KB Output is correct
36 Correct 10 ms 49744 KB Output is correct
37 Correct 13 ms 50168 KB Output is correct
38 Correct 16 ms 50428 KB Output is correct
39 Correct 14 ms 50256 KB Output is correct
40 Correct 15 ms 50256 KB Output is correct
41 Correct 16 ms 50256 KB Output is correct
42 Correct 67 ms 50000 KB Output is correct
43 Correct 66 ms 50000 KB Output is correct
44 Correct 71 ms 50000 KB Output is correct
45 Correct 15 ms 50512 KB Output is correct
46 Correct 17 ms 50512 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 49680 KB Output is correct
2 Correct 15 ms 49604 KB Output is correct
3 Correct 17 ms 49488 KB Output is correct
4 Correct 21 ms 49568 KB Output is correct
5 Correct 17 ms 49488 KB Output is correct
6 Correct 16 ms 49488 KB Output is correct
7 Correct 14 ms 49704 KB Output is correct
8 Correct 14 ms 49488 KB Output is correct
9 Correct 13 ms 49488 KB Output is correct
10 Correct 13 ms 49744 KB Output is correct
11 Correct 13 ms 49744 KB Output is correct
12 Correct 10 ms 49760 KB Output is correct
13 Correct 14 ms 49744 KB Output is correct
14 Correct 19 ms 49744 KB Output is correct
15 Correct 13 ms 49744 KB Output is correct
16 Correct 15 ms 49488 KB Output is correct
17 Correct 14 ms 49744 KB Output is correct
18 Correct 16 ms 49744 KB Output is correct
19 Correct 12 ms 49744 KB Output is correct
20 Correct 18 ms 49744 KB Output is correct
21 Correct 13 ms 49744 KB Output is correct
22 Correct 15 ms 49488 KB Output is correct
23 Correct 11 ms 49756 KB Output is correct
24 Correct 14 ms 49744 KB Output is correct
25 Correct 13 ms 49744 KB Output is correct
26 Correct 13 ms 49744 KB Output is correct
27 Correct 13 ms 49680 KB Output is correct
28 Correct 10 ms 49744 KB Output is correct
29 Correct 11 ms 50000 KB Output is correct
30 Correct 11 ms 49804 KB Output is correct
31 Correct 12 ms 49744 KB Output is correct
32 Correct 11 ms 49880 KB Output is correct
33 Correct 13 ms 50000 KB Output is correct
34 Correct 15 ms 50008 KB Output is correct
35 Correct 14 ms 50000 KB Output is correct
36 Correct 17 ms 49744 KB Output is correct
37 Correct 16 ms 50256 KB Output is correct
38 Correct 18 ms 50300 KB Output is correct
39 Correct 22 ms 50256 KB Output is correct
40 Correct 20 ms 50256 KB Output is correct
41 Correct 18 ms 50256 KB Output is correct
42 Correct 80 ms 50000 KB Output is correct
43 Correct 61 ms 50000 KB Output is correct
44 Correct 74 ms 50000 KB Output is correct
45 Correct 16 ms 50512 KB Output is correct
46 Correct 15 ms 50512 KB Output is correct
47 Correct 24 ms 51312 KB Output is correct
48 Correct 19 ms 50168 KB Output is correct
49 Correct 21 ms 50164 KB Output is correct
50 Correct 20 ms 50000 KB Output is correct
51 Correct 36 ms 52420 KB Output is correct
52 Correct 34 ms 51432 KB Output is correct
53 Correct 26 ms 51404 KB Output is correct
54 Correct 19 ms 50000 KB Output is correct
55 Correct 18 ms 50000 KB Output is correct
56 Correct 652 ms 51152 KB Output is correct
57 Correct 58 ms 53844 KB Output is correct
58 Correct 466 ms 50256 KB Output is correct
59 Correct 791 ms 50252 KB Output is correct
60 Correct 550 ms 50256 KB Output is correct
61 Correct 629 ms 50252 KB Output is correct
62 Correct 17 ms 50512 KB Output is correct
63 Correct 36 ms 52164 KB Output is correct
64 Correct 39 ms 54208 KB Output is correct
65 Correct 43 ms 54208 KB Output is correct
66 Correct 55 ms 54212 KB Output is correct
67 Correct 59 ms 54472 KB Output is correct