oj.uz

Submission #511280

# Submission time Handle Problem Language Result Execution time Memory
511280 2022-01-15T13:39:56 Z CaoHuuKhuongDuy Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 27436 KB 
#include <bits/stdc++.h>
using namespace std;
#define gc() (iS == iT ? (iT = (iS = ibuf) + fread(ibuf, 1, SIZE, stdin), (iS == iT ? EOF : *iS++)) : *iS++)
namespace IO {
  const int SIZE = 1 << 23;
  char ibuf[SIZE], *iS, *iT;
  char obuf[SIZE], *oS = obuf, *oT = oS + SIZE - 1;
  bool flush() {
    fwrite(obuf, 1, oS - obuf, stdout);
    oS = obuf;
    return true;
  }
  #define gc() (iS == iT ? (iT = (iS = ibuf) + fread(ibuf, 1, SIZE, stdin), (iS == iT ? EOF : *iS++)) : *iS++)
  #define pc(x) (*oS++ = x) 
  int read() {
    int x = 0, f = 0;
    char c = gc();
    while (!isdigit(c)) f |= c == '-', c = gc();
    while (isdigit(c)) x = 10 * x + c - '0', c = gc();
    return f ? -x : x;
  }
  char qu[55]; int qlen;
  template <class T> void print(T x) {
    if (!x) pc('0');
    if (x < 0) pc('-'), x = -x;
    while (x) qu[++qlen] = x % 10 + '0', x /= 10;
    while (qlen) pc(qu[qlen--]);
  }
  template <class T> void print(T x, char charset) {
    print(x), pc(charset);
  }
  struct Flusher {
    ~Flusher() {
      flush();
    }
  } flusher;
}
using namespace IO;
const int N=3e4+9;
const int oo=1e9+9;
typedef pair <int,int> ii;
typedef pair <int,ii> iii;
int can,n,m,a[N],p[N],f[N][176];
bool First[N],check[N][176];
vector <int> num[N];
priority_queue <iii,vector<iii>,greater<iii> > q;
void update(int x,int dist,int val)
{
    if (f[x][dist]>val)
      {
        f[x][dist]=val;
        q.push({val,{x,dist}});
      }
    if (num[x].size()==0||dist==0) return;
}
int solve()
{
    if (p[1]>=can) 
      {
        f[a[1]][0]=0;
        q.push({0,{a[1],0}});
      }
    else 
      {
        f[a[1]][p[1]]=0;
        q.push({0,{a[1],p[1]}});
      }
    int val,x,dist;
    while (!q.empty())
      {
        val=q.top().first;
        x=q.top().second.first;
        dist=q.top().second.second;
        q.pop();
       // cout<<x<<" "<<dist<<" "<<val<<" "<<q.size()<<endl;
        if (f[x][dist]!=val) continue;
        if (!First[x])
          {
            First[x]=true;
            for (int i=0;i<can;i++)
              if (check[x][i]||i==0) update(x,i,val);
          }
        if (dist!=0)
          {
            if (x+dist<=n) update(x+dist,dist,f[x][dist]+1);
            if (x-dist>=1) update(x-dist,dist,f[x][dist]+1);
          }
        for (int xnew:num[x])
          {
            int dem=0;
            for (int i=x+p[xnew];i<=n;i+=p[xnew])
            {
              // cout<<i<<endl;
              dem++;
              update(i,0,val+dem);
            }
            dem=0;
            for (int i=x-p[xnew];i>=1;i-=p[xnew])
            {
                //cout<<i<<endl;
              dem++;
              update(i,0,val+dem);
            }
          }
         // break;
      }
    int res=oo;
    for (int i=0;i<=can;i++)
      res=min(res,f[a[2]][i]);
    if (res==oo) res=-1;
    return res;
}
signed main()
{
    // ios::sync_with_stdio(false);
    // cin.tie(0);
   //freopen("test.inp","r",stdin);
    // cin>>n>>m;
    n=read();
    m=read();
    can=sqrt(n);
    for (int i=0;i<=n;i++)
      for (int j=0;j<=can;j++)
        f[i][j]=oo;
    for (int i=1;i<=m;i++)
      {
          a[i]=read();
          p[i]=read();
        // cin>>a[i]>>p[i];
        a[i]++;
        if (p[i]>=can) num[a[i]].push_back(i);
        else check[a[i]][p[i]]=true;
      }
    cout<<solve();
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 1004 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 0 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 2 ms 1100 KB Output is correct
11 Correct 1 ms 1100 KB Output is correct
12 Correct 1 ms 1100 KB Output is correct
13 Correct 1 ms 1100 KB Output is correct
14 Correct 1 ms 1100 KB Output is correct
15 Correct 2 ms 1100 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 1100 KB Output is correct
11 Correct 1 ms 1100 KB Output is correct
12 Correct 1 ms 1100 KB Output is correct
13 Correct 1 ms 1100 KB Output is correct
14 Correct 1 ms 1100 KB Output is correct
15 Correct 1 ms 1100 KB Output is correct
16 Correct 1 ms 1228 KB Output is correct
17 Correct 2 ms 1740 KB Output is correct
18 Correct 1 ms 2252 KB Output is correct
19 Correct 2 ms 2380 KB Output is correct
20 Correct 3 ms 2764 KB Output is correct
21 Correct 2 ms 1356 KB Output is correct
22 Correct 2 ms 2252 KB Output is correct
23 Correct 3 ms 2252 KB Output is correct
24 Correct 4 ms 2508 KB Output is correct
25 Correct 3 ms 2380 KB Output is correct
26 Correct 2 ms 2508 KB Output is correct
27 Correct 2 ms 2380 KB Output is correct
28 Correct 3 ms 2508 KB Output is correct
29 Correct 8 ms 2380 KB Output is correct
30 Correct 3 ms 2380 KB Output is correct
31 Correct 6 ms 2380 KB Output is correct
32 Correct 3 ms 2508 KB Output is correct
33 Correct 14 ms 2652 KB Output is correct
34 Correct 14 ms 2648 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 1100 KB Output is correct
11 Correct 1 ms 1100 KB Output is correct
12 Correct 1 ms 1100 KB Output is correct
13 Correct 1 ms 1100 KB Output is correct
14 Correct 1 ms 1100 KB Output is correct
15 Correct 1 ms 1100 KB Output is correct
16 Correct 1 ms 1228 KB Output is correct
17 Correct 3 ms 1740 KB Output is correct
18 Correct 1 ms 2252 KB Output is correct
19 Correct 1 ms 2380 KB Output is correct
20 Correct 2 ms 2764 KB Output is correct
21 Correct 1 ms 1356 KB Output is correct
22 Correct 1 ms 2252 KB Output is correct
23 Correct 2 ms 2252 KB Output is correct
24 Correct 3 ms 2508 KB Output is correct
25 Correct 2 ms 2472 KB Output is correct
26 Correct 2 ms 2508 KB Output is correct
27 Correct 1 ms 2380 KB Output is correct
28 Correct 2 ms 2508 KB Output is correct
29 Correct 8 ms 2380 KB Output is correct
30 Correct 3 ms 2380 KB Output is correct
31 Correct 6 ms 2488 KB Output is correct
32 Correct 3 ms 2508 KB Output is correct
33 Correct 14 ms 2636 KB Output is correct
34 Correct 14 ms 2652 KB Output is correct
35 Correct 17 ms 2892 KB Output is correct
36 Correct 3 ms 2124 KB Output is correct
37 Correct 37 ms 3276 KB Output is correct
38 Correct 32 ms 3592 KB Output is correct
39 Correct 36 ms 3568 KB Output is correct
40 Correct 26 ms 3592 KB Output is correct
41 Correct 27 ms 3532 KB Output is correct
42 Correct 3 ms 2892 KB Output is correct
43 Correct 3 ms 2892 KB Output is correct
44 Correct 3 ms 3148 KB Output is correct
45 Correct 58 ms 3248 KB Output is correct
46 Correct 58 ms 3252 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 1100 KB Output is correct
11 Correct 1 ms 1100 KB Output is correct
12 Correct 1 ms 1100 KB Output is correct
13 Correct 1 ms 1100 KB Output is correct
14 Correct 1 ms 1100 KB Output is correct
15 Correct 1 ms 1100 KB Output is correct
16 Correct 1 ms 1228 KB Output is correct
17 Correct 3 ms 1740 KB Output is correct
18 Correct 1 ms 2252 KB Output is correct
19 Correct 1 ms 2380 KB Output is correct
20 Correct 2 ms 2776 KB Output is correct
21 Correct 1 ms 1356 KB Output is correct
22 Correct 2 ms 2252 KB Output is correct
23 Correct 2 ms 2252 KB Output is correct
24 Correct 2 ms 2508 KB Output is correct
25 Correct 2 ms 2380 KB Output is correct
26 Correct 2 ms 2508 KB Output is correct
27 Correct 2 ms 2380 KB Output is correct
28 Correct 2 ms 2508 KB Output is correct
29 Correct 8 ms 2380 KB Output is correct
30 Correct 3 ms 2380 KB Output is correct
31 Correct 5 ms 2380 KB Output is correct
32 Correct 3 ms 2508 KB Output is correct
33 Correct 14 ms 2652 KB Output is correct
34 Correct 13 ms 2636 KB Output is correct
35 Correct 21 ms 2976 KB Output is correct
36 Correct 3 ms 1996 KB Output is correct
37 Correct 33 ms 3276 KB Output is correct
38 Correct 29 ms 3532 KB Output is correct
39 Correct 27 ms 3532 KB Output is correct
40 Correct 27 ms 3592 KB Output is correct
41 Correct 27 ms 3532 KB Output is correct
42 Correct 2 ms 2892 KB Output is correct
43 Correct 2 ms 2892 KB Output is correct
44 Correct 2 ms 3148 KB Output is correct
45 Correct 53 ms 3248 KB Output is correct
46 Correct 56 ms 3372 KB Output is correct
47 Correct 133 ms 12684 KB Output is correct
48 Correct 11 ms 18380 KB Output is correct
49 Correct 12 ms 19660 KB Output is correct
50 Correct 12 ms 21196 KB Output is correct
51 Correct 67 ms 23932 KB Output is correct
52 Correct 69 ms 24080 KB Output is correct
53 Correct 24 ms 22900 KB Output is correct
54 Correct 15 ms 21708 KB Output is correct
55 Correct 16 ms 21708 KB Output is correct
56 Correct 23 ms 27436 KB Output is correct
57 Correct 92 ms 26128 KB Output is correct
58 Correct 29 ms 22060 KB Output is correct
59 Correct 24 ms 22272 KB Output is correct
60 Correct 34 ms 22492 KB Output is correct
61 Correct 25 ms 22328 KB Output is correct
62 Correct 61 ms 23244 KB Output is correct
63 Correct 69 ms 24004 KB Output is correct
64 Correct 84 ms 24160 KB Output is correct
65 Execution timed out 1014 ms 24152 KB Time limit exceeded
66 Halted 0 ms 0 KB -