oj.uz

Submission #275962

# Submission time Handle Problem Language Result Execution time Memory
275962 2020-08-20T08:39:27 Z 최은수(#5098) Circus (Balkan15_CIRCUS) C++17
100 / 100
 772 ms 12032 KB 
#include"circus.h"
#include<iostream>
#include<vector>
#include<algorithm>
#define ep emplace
#define eb emplace_back
#define fi first
#define se second
#define all(x) (x).begin(),(x).end()
using namespace std;
typedef long long ll;
typedef pair<int,int>pi;
typedef pair<ll,ll>pl;
const int inf=1e9+7;
const ll INF=1e18;
static int n,m;
static vector<int>p;
static int cal[100010];
static int mn[100010];
vector<pi>pmn,pmx;
void init(int N,int M,int P[])
{
    n=N,m=M;
    for(int i=0;i<n;i++)
        p.eb(P[i]);
    sort(all(p));
    p.erase(unique(all(p)),p.end());
    n=p.size();
    for(int i=0;i<n;i++)
        cal[i]=m-p[i];
    for(int i=0;i<3;i++)
    {
        for(int j=0;j<n;j++)
            mn[j]=inf;
        for(int j=0;j<n;j++)
        {
            if(j!=0)
                mn[j]=min(mn[j],mn[j-1]);
            cal[j]=min(cal[j],mn[j]+p[j]);
            int pos=lower_bound(all(p),p[j]+cal[j])-p.begin();
            if(pos!=n)
                mn[pos]=-p[j];
        }
        for(int j=0;j<n;j++)
            mn[j]=inf;
        for(int j=n;j-->0;)
        {
            if(j!=n-1)
                mn[j]=min(mn[j],mn[j+1]);
            cal[j]=min(cal[j],mn[j]-p[j]);
            int pos=upper_bound(all(p),p[j]-cal[j])-p.begin()-1;
            if(pos!=-1)
                mn[pos]=p[j];
        }
    }
    vector<pi>p1,p2;
    for(int i=0;i<n;i++)
    {
        p1.eb(p[i]+cal[i],-p[i]);
        p2.eb(p[i]-cal[i],p[i]);
    }
    sort(all(p1));
    sort(all(p2),[](const pi&x,const pi&y){return x.fi==y.fi?x.se<y.se:x.fi>y.fi;});
    int pr=inf;
    for(pi&t:p1)
        if(t.se<pr)
            pmx.eb(t),pr=t.se;
    pr=inf;
    for(pi&t:p2)
        if(t.se<pr)
            pmn.eb(t),pr=t.se;
    reverse(all(pmn));
    p.eb(m);
    return;
}
int minLength(int D)
{
    int d=D;
    int ans=m-d;
    {
        int p=upper_bound(all(pmx),pi(d,inf))-pmx.begin()-1;
        if(p!=-1)
            ans=min(ans,d+pmx[p].se);
    }
    {
        int p=lower_bound(all(pmn),pi(d,-inf))-pmn.begin();
        if(p!=(int)pmn.size())
            ans=min(ans,pmn[p].se-d);
    }
    return ans;
}

Compilation message

grader.cpp: In function 'int main()':
grader.cpp:14:12: warning: unused variable 'max_code' [-Wunused-variable]
   14 |  long long max_code;
      |            ^~~~~~~~
grader.cpp:16:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   16 |  scanf("%d%d", &N, &M);
      |  ~~~~~^~~~~~~~~~~~~~~~
grader.cpp:18:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   18 |   scanf("%d", &P[i]);
      |   ~~~~~^~~~~~~~~~~~~
grader.cpp:21:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   21 |  scanf("%d", &Q);
      |  ~~~~~^~~~~~~~~~
grader.cpp:23:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   23 |   scanf("%d", &d);
      |   ~~~~~^~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 5480 KB Output is correct
2 Correct 69 ms 5484 KB Output is correct
3 Correct 68 ms 5612 KB Output is correct
4 Correct 68 ms 5484 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 2 ms 512 KB Output is correct
8 Correct 2 ms 512 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 2 ms 512 KB Output is correct
8 Correct 2 ms 512 KB Output is correct
9 Correct 498 ms 8488 KB Output is correct
10 Correct 428 ms 5016 KB Output is correct
11 Correct 409 ms 4436 KB Output is correct
12 Correct 542 ms 9168 KB Output is correct

Subtask #5
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 5480 KB Output is correct
2 Correct 69 ms 5484 KB Output is correct
3 Correct 68 ms 5612 KB Output is correct
4 Correct 68 ms 5484 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 2 ms 512 KB Output is correct
11 Correct 2 ms 512 KB Output is correct
12 Correct 2 ms 512 KB Output is correct
13 Correct 81 ms 5480 KB Output is correct
14 Correct 76 ms 5612 KB Output is correct
15 Correct 67 ms 5480 KB Output is correct
16 Correct 67 ms 5480 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 5480 KB Output is correct
2 Correct 69 ms 5484 KB Output is correct
3 Correct 68 ms 5612 KB Output is correct
4 Correct 68 ms 5484 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 2 ms 512 KB Output is correct
11 Correct 2 ms 512 KB Output is correct
12 Correct 2 ms 512 KB Output is correct
13 Correct 498 ms 8488 KB Output is correct
14 Correct 428 ms 5016 KB Output is correct
15 Correct 409 ms 4436 KB Output is correct
16 Correct 542 ms 9168 KB Output is correct
17 Correct 81 ms 5480 KB Output is correct
18 Correct 76 ms 5612 KB Output is correct
19 Correct 67 ms 5480 KB Output is correct
20 Correct 67 ms 5480 KB Output is correct
21 Correct 695 ms 8904 KB Output is correct
22 Correct 675 ms 9048 KB Output is correct
23 Correct 772 ms 10764 KB Output is correct
24 Correct 711 ms 12032 KB Output is correct