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Submission #244721

# Submission time Handle Problem Language Result Execution time Memory
244721 2020-07-04T17:40:38 Z uacoder123 Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 320 ms 248824 KB 
#include <bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define FOR(i,a,b) for (auto i = (a); i <= (b); ++i)
#define NFOR(i,a,b) for(auto i = (a); i >= (b); --i)
#define all(x) (x).begin(), (x).end()
#define sz(x) int(x.size())
#define mp(i,a) make_pair(i,a)
#define pb(a) push_back(a)
#define bit(x,b) (x&(1LL<<b))
 
typedef int lli;
typedef pair <lli,lli> ii;
typedef pair <lli,ii> iii;
typedef vector <lli> vi;
vector<int> al[5220000];
lli dis[5220000],n;
set<ii> s;
map<ii,int> ma;
 
lli dij(lli so,lli t)
{
  for(lli i=0;i<5220000;++i)
    dis[i]=1000000000;
  s.insert(mp(0,so));
  dis[so]=0;
  while(s.size()!=0)
  {
    ii v=(*s.begin());
    s.erase(s.begin());
    dis[v.S]=v.F;
    for(lli i=0;i<al[v.S].size();++i)
    {
      if(al[v.S][i]/10000000+v.F<dis[al[v.S][i]%10000000])
      {
       s.erase(mp(dis[al[v.S][i]%10000000],al[v.S][i]%10000000));
       dis[al[v.S][i]%10000000]=al[v.S][i]/10000000+v.F;
       s.insert(mp(dis[al[v.S][i]%10000000],al[v.S][i]%10000000)); 
      }
    }
  }
  if(dis[t]==1000000000)
    return(-1);
  return(dis[t]);
}
int main()
{
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  lli test=1;
  for(;test>0;--test)
  {
    lli m,rn, from, to;
    cin>>n>>m;
    rn=sqrt(n)+1;
    for(lli i=0;i<m;++i)
    {
      lli f,se;
      cin>>f>>se;
      if(i==0) from = f;
      if(i==1) to = f;
      if(se<rn)
      {
        al[rn*n+f].pb((se)*n+f+0*10000000);
        al[se*n+f].pb(rn*n+f+0*10000000);
        if(se==0||ma.find(mp(f%se,se))!=ma.end())
          continue;
        ma[mp(f%se,se)]=1;
        for(lli j=f%se;j<n;j+=se)
        {
          if(j+se<n)
          {
            al[se*n+j].pb(se*n+j+se+1*10000000);
            al[se*n+j+se].pb(se*n+j+1*10000000);
          }
          if(j+se<n)
            al[se*n+j].pb(rn*n+j+se+1*10000000);
          if(j-se>=0)
            al[se*n+j].pb(rn*n+j-se+1*10000000);
        }
      }
      if(se>=rn)
      {
        lli p=f+se;
        while(p<n)
        {
          al[rn*n+f].pb(rn*n+p+((p-f)/se)*10000000);
          p+=se;
        }
        p=f-se;
        while(p>=0)
        {
          al[rn*n+f].pb(rn*n+p+((f-p)/se)*10000000);
          p-=se;
        }
      }
    }
    cout<<dij(rn*n+from,rn*n+to)<<endl;
  }
  return(0);
}

Compilation message

skyscraper.cpp: In function 'lli dij(lli, lli)':
skyscraper.cpp:33:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(lli i=0;i<al[v.S].size();++i)
                 ~^~~~~~~~~~~~~~~
skyscraper.cpp: In function 'int main()':
skyscraper.cpp:99:32: warning: 'to' may be used uninitialized in this function [-Wmaybe-uninitialized]
     cout<<dij(rn*n+from,rn*n+to)<<endl;
                                ^
skyscraper.cpp:99:32: warning: 'from' may be used uninitialized in this function [-Wmaybe-uninitialized]

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 91 ms 143352 KB Output is correct
2 Correct 98 ms 143352 KB Output is correct
3 Correct 92 ms 143356 KB Output is correct
4 Correct 102 ms 143352 KB Output is correct
5 Correct 101 ms 143352 KB Output is correct
6 Correct 91 ms 143480 KB Output is correct
7 Correct 103 ms 143352 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 107 ms 143480 KB Output is correct
2 Correct 102 ms 143352 KB Output is correct
3 Correct 93 ms 143352 KB Output is correct
4 Correct 103 ms 143352 KB Output is correct
5 Correct 104 ms 143352 KB Output is correct
6 Correct 93 ms 143352 KB Output is correct
7 Correct 93 ms 143352 KB Output is correct
8 Correct 100 ms 143480 KB Output is correct
9 Correct 92 ms 143352 KB Output is correct
10 Correct 95 ms 143356 KB Output is correct
11 Correct 96 ms 143480 KB Output is correct
12 Correct 93 ms 143356 KB Output is correct
13 Correct 98 ms 143352 KB Output is correct
14 Correct 91 ms 143484 KB Output is correct
15 Correct 93 ms 143352 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 101 ms 143352 KB Output is correct
2 Correct 102 ms 143352 KB Output is correct
3 Correct 89 ms 143352 KB Output is correct
4 Correct 92 ms 143352 KB Output is correct
5 Correct 92 ms 143528 KB Output is correct
6 Correct 93 ms 143352 KB Output is correct
7 Correct 94 ms 143352 KB Output is correct
8 Correct 99 ms 143456 KB Output is correct
9 Correct 100 ms 143352 KB Output is correct
10 Correct 89 ms 143352 KB Output is correct
11 Correct 101 ms 143352 KB Output is correct
12 Correct 92 ms 143480 KB Output is correct
13 Correct 91 ms 143352 KB Output is correct
14 Correct 101 ms 143352 KB Output is correct
15 Correct 91 ms 143480 KB Output is correct
16 Correct 94 ms 143352 KB Output is correct
17 Correct 93 ms 143608 KB Output is correct
18 Correct 99 ms 143480 KB Output is correct
19 Correct 89 ms 143480 KB Output is correct
20 Correct 90 ms 143480 KB Output is correct
21 Correct 91 ms 143332 KB Output is correct
22 Correct 92 ms 143480 KB Output is correct
23 Correct 95 ms 143480 KB Output is correct
24 Correct 92 ms 143608 KB Output is correct
25 Correct 92 ms 143480 KB Output is correct
26 Correct 91 ms 143608 KB Output is correct
27 Correct 93 ms 143480 KB Output is correct
28 Correct 100 ms 143864 KB Output is correct
29 Correct 119 ms 145400 KB Output is correct
30 Correct 98 ms 143864 KB Output is correct
31 Correct 110 ms 144504 KB Output is correct
32 Correct 96 ms 143924 KB Output is correct
33 Correct 126 ms 146296 KB Output is correct
34 Correct 124 ms 146296 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 94 ms 143480 KB Output is correct
2 Correct 91 ms 143352 KB Output is correct
3 Correct 92 ms 143352 KB Output is correct
4 Correct 99 ms 143352 KB Output is correct
5 Correct 91 ms 143352 KB Output is correct
6 Correct 102 ms 143352 KB Output is correct
7 Correct 91 ms 143480 KB Output is correct
8 Correct 91 ms 143352 KB Output is correct
9 Correct 101 ms 143356 KB Output is correct
10 Correct 91 ms 143352 KB Output is correct
11 Correct 91 ms 143484 KB Output is correct
12 Correct 91 ms 143352 KB Output is correct
13 Correct 90 ms 143352 KB Output is correct
14 Correct 90 ms 143352 KB Output is correct
15 Correct 92 ms 143356 KB Output is correct
16 Correct 90 ms 143480 KB Output is correct
17 Correct 93 ms 143608 KB Output is correct
18 Correct 90 ms 143480 KB Output is correct
19 Correct 89 ms 143480 KB Output is correct
20 Correct 92 ms 143480 KB Output is correct
21 Correct 101 ms 143352 KB Output is correct
22 Correct 92 ms 143484 KB Output is correct
23 Correct 94 ms 143480 KB Output is correct
24 Correct 105 ms 143608 KB Output is correct
25 Correct 101 ms 143444 KB Output is correct
26 Correct 100 ms 143608 KB Output is correct
27 Correct 94 ms 143544 KB Output is correct
28 Correct 96 ms 143864 KB Output is correct
29 Correct 116 ms 145376 KB Output is correct
30 Correct 98 ms 143864 KB Output is correct
31 Correct 103 ms 144376 KB Output is correct
32 Correct 95 ms 143864 KB Output is correct
33 Correct 135 ms 146284 KB Output is correct
34 Correct 128 ms 146296 KB Output is correct
35 Correct 109 ms 144632 KB Output is correct
36 Correct 104 ms 143612 KB Output is correct
37 Correct 132 ms 145856 KB Output is correct
38 Correct 121 ms 145528 KB Output is correct
39 Correct 121 ms 145528 KB Output is correct
40 Correct 140 ms 145528 KB Output is correct
41 Correct 130 ms 145476 KB Output is correct
42 Correct 99 ms 143992 KB Output is correct
43 Correct 96 ms 143864 KB Output is correct
44 Correct 96 ms 143864 KB Output is correct
45 Correct 138 ms 147960 KB Output is correct
46 Correct 151 ms 148216 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 99 ms 143352 KB Output is correct
2 Correct 92 ms 143352 KB Output is correct
3 Correct 93 ms 143352 KB Output is correct
4 Correct 101 ms 143352 KB Output is correct
5 Correct 91 ms 143352 KB Output is correct
6 Correct 92 ms 143352 KB Output is correct
7 Correct 90 ms 143352 KB Output is correct
8 Correct 91 ms 143268 KB Output is correct
9 Correct 91 ms 143352 KB Output is correct
10 Correct 92 ms 143352 KB Output is correct
11 Correct 93 ms 143352 KB Output is correct
12 Correct 90 ms 143352 KB Output is correct
13 Correct 89 ms 143344 KB Output is correct
14 Correct 95 ms 143480 KB Output is correct
15 Correct 99 ms 143352 KB Output is correct
16 Correct 94 ms 143352 KB Output is correct
17 Correct 94 ms 143608 KB Output is correct
18 Correct 91 ms 143480 KB Output is correct
19 Correct 92 ms 143476 KB Output is correct
20 Correct 92 ms 143480 KB Output is correct
21 Correct 91 ms 143352 KB Output is correct
22 Correct 100 ms 143480 KB Output is correct
23 Correct 92 ms 143480 KB Output is correct
24 Correct 93 ms 143608 KB Output is correct
25 Correct 90 ms 143480 KB Output is correct
26 Correct 92 ms 143608 KB Output is correct
27 Correct 91 ms 143480 KB Output is correct
28 Correct 94 ms 143864 KB Output is correct
29 Correct 114 ms 145400 KB Output is correct
30 Correct 97 ms 143864 KB Output is correct
31 Correct 104 ms 144380 KB Output is correct
32 Correct 96 ms 143880 KB Output is correct
33 Correct 134 ms 146272 KB Output is correct
34 Correct 120 ms 146296 KB Output is correct
35 Correct 112 ms 144632 KB Output is correct
36 Correct 104 ms 143608 KB Output is correct
37 Correct 126 ms 145912 KB Output is correct
38 Correct 124 ms 145552 KB Output is correct
39 Correct 126 ms 145528 KB Output is correct
40 Correct 129 ms 145528 KB Output is correct
41 Correct 128 ms 145656 KB Output is correct
42 Correct 99 ms 144008 KB Output is correct
43 Correct 100 ms 143864 KB Output is correct
44 Correct 98 ms 143804 KB Output is correct
45 Correct 136 ms 148088 KB Output is correct
46 Correct 144 ms 148088 KB Output is correct
47 Correct 320 ms 157304 KB Output is correct
48 Correct 122 ms 147960 KB Output is correct
49 Correct 117 ms 145528 KB Output is correct
50 Correct 111 ms 146040 KB Output is correct
51 Runtime error 209 ms 248824 KB Execution killed with signal 11 (could be triggered by violating memory limits)
52 Halted 0 ms 0 KB -