Submission #867218

# Submission time Handle Problem Language Result Execution time Memory
867218 2023-10-28T01:08:57 Z HuyQuang_re_Zero Archery (IOI09_archery) C++14
0 / 100
2000 ms 28168 KB
#include <bits/stdc++.h>
#define ll long long
#define db long double
#define N 500005
#define II pair <ll,ll>
#define III pair <ll,II>
#define IV pair <vector <int>,vector <int> >
#define fst first
#define snd second
#define BIT(x,i) ((x>>i)&1)
#define pi acos(-1)
#define to_radian(x) (x*pi/180.0)
#define to_degree(x) (x*180.0/pi)
using namespace std;
int n,r,w,ori[N],m,i,res,pos,target[N],b[N];
II a[N];
int label(int k)
{
    return 1-(k<w)+(k>w);
}
struct pt { int pos,jump; };
pt cal(int x)
{
    //Init
    if(w>n+1) while(1) {};
    int i;
    for(i=1;i<x;i++) a[i]={ (i-1)/2,label(ori[i]) };
    a[x]={ (x-1)/2,label(w) };
    for(i=x;i<=2*n-1;i++) a[i+1]={ i/2,label(ori[i]) };
    m=2*n;


    int cur1=a[1].snd,cur2=a[2].snd,cnt[3],j=3,jump=0;
    memset(cnt,0,sizeof(cnt));
    for(i=1;i<=3*n;i++)
    {
        //Find the winner and loser in target 1
        if(cur1>cur2) swap(cur1,cur2);
        a[++m]={ i+n-1,cur2 };
        jump+=(cur2==1);
       // cerr<<cur1<<" "<<cur2<<'\n';
        // Find next archer go to target 1
        while(j<=m && a[j].fst<=i) cnt[a[j++].snd]++;
        int to_1;
        if(cnt[0]) to_1=0; else if(cnt[1]) to_1=1; else to_1=2;
        cur2=to_1; cnt[to_1]--;

        if(i>=2*n && ((cur1==1) || (cur2==1)))
        {
            int to_r=r-i,to_r_mod=(r-i+n)%n;
            if(to_r_mod==0) to_r_mod=n;
            if(i>=r) return { n-to_r_mod+1,jump };
            return { n-to_r_mod+1,jump+1+(to_r-1)/n };
        }
    }
}
int Final(int x)
{
    int m=0,i;
    for(i=1;i<x;i++) b[++m]=ori[i];
    b[++m]=w;
    for(i=x;i<=2*n-1;i++) b[++m]=ori[i];
    for(i=1;i<=2*n;i++) target[b[i]]=(i-1)/2;
    for(int step=1;step<=r;step++)
    {
     //   for(i=1;i<=m;i++) cout<<b[i]<<" "<<target[b[i]]<<'\n';
       // cout<<'\n';
        if(b[1]<b[2]) target[b[2]]=n-1; else target[b[1]]=n-1;
        for(i=3;i<=m;i+=2)
            if(b[i]<b[i+1]) target[b[i]]--; else target[b[i+1]]--;
        sort(b+1,b+m+1,[&](int i,int j){ return target[i]<target[j]; });
    }
    return target[w];
}
int main()
{
   // freopen("archery.inp","r",stdin);
    //freopen("archery.out","w",stdout);
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    cin>>n>>r>>w;
    for(i=1;i<=2*n-1;i++) cin>>ori[i];
 //   for(pos=1;pos<=2*n;pos++) cout<<(pos+1)/2<<" "<<Final(pos)+1<<'\n';
    //Final(8);
    if(w==1) { cout<<1; return 0; }
  //  cerr<<cal(8).pos; return 0;
    int l=cal(2*n).jump,r=cal(1).jump;
    res=2*n+1;
    for(i=l;i<=r;i++)
    {
        int l=1,r=2*n;
        while(l<r)
        {
            int mid=(l+r)>>1;
            pt x=cal(mid);
            if(x.jump<=i) r=mid; else l=mid+1;
        }
        pt x=cal(l);
        if(x.jump && res>x.pos)
        {
            res=x.pos;
            pos=l;
        }
    }
    cout<<(pos+1)/2<<" "<<res;
}

Compilation message

archery.cpp: In function 'pt cal(int)':
archery.cpp:56:1: warning: control reaches end of non-void function [-Wreturn-type]
   56 | }
      | ^
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2396 KB Output isn't correct
2 Incorrect 1 ms 2396 KB Output isn't correct
3 Incorrect 0 ms 2396 KB Output isn't correct
4 Incorrect 2 ms 4700 KB Output isn't correct
5 Execution timed out 2086 ms 2396 KB Time limit exceeded
6 Execution timed out 2041 ms 2396 KB Time limit exceeded
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2392 KB Output isn't correct
2 Incorrect 1 ms 2396 KB Output isn't correct
3 Incorrect 1 ms 2396 KB Output isn't correct
4 Incorrect 11 ms 4700 KB Output isn't correct
5 Incorrect 125 ms 13404 KB Output isn't correct
6 Incorrect 1 ms 2396 KB Output isn't correct
7 Incorrect 1 ms 2396 KB Output isn't correct
8 Incorrect 6 ms 4700 KB Output isn't correct
9 Incorrect 14 ms 4740 KB Output isn't correct
10 Incorrect 1 ms 2396 KB Output isn't correct
11 Incorrect 15 ms 4700 KB Output isn't correct
12 Incorrect 2 ms 4700 KB Output isn't correct
13 Incorrect 88 ms 13152 KB Output isn't correct
14 Incorrect 5 ms 4700 KB Output isn't correct
15 Incorrect 22 ms 6796 KB Output isn't correct
16 Incorrect 1 ms 2648 KB Output isn't correct
17 Incorrect 1 ms 2396 KB Output isn't correct
18 Incorrect 1 ms 2652 KB Output isn't correct
19 Incorrect 3 ms 4700 KB Output isn't correct
20 Incorrect 3 ms 4700 KB Output isn't correct
21 Incorrect 14 ms 4700 KB Output isn't correct
22 Incorrect 19 ms 4744 KB Output isn't correct
23 Runtime error 43 ms 28168 KB Execution killed with signal 11
24 Execution timed out 2039 ms 2396 KB Time limit exceeded
25 Execution timed out 2028 ms 2392 KB Time limit exceeded
26 Execution timed out 2069 ms 2396 KB Time limit exceeded
27 Execution timed out 2061 ms 2396 KB Time limit exceeded
28 Execution timed out 2069 ms 2660 KB Time limit exceeded
29 Execution timed out 2049 ms 2396 KB Time limit exceeded
30 Execution timed out 2054 ms 2396 KB Time limit exceeded
31 Execution timed out 2009 ms 2392 KB Time limit exceeded
32 Execution timed out 2054 ms 2908 KB Time limit exceeded
33 Execution timed out 2043 ms 2392 KB Time limit exceeded
34 Execution timed out 2064 ms 2396 KB Time limit exceeded
35 Execution timed out 2020 ms 2396 KB Time limit exceeded
36 Execution timed out 2044 ms 2396 KB Time limit exceeded
37 Execution timed out 2077 ms 2396 KB Time limit exceeded
38 Execution timed out 2045 ms 2396 KB Time limit exceeded
39 Execution timed out 2072 ms 2396 KB Time limit exceeded
40 Execution timed out 2032 ms 2392 KB Time limit exceeded
41 Execution timed out 2048 ms 2396 KB Time limit exceeded
42 Execution timed out 2021 ms 2392 KB Time limit exceeded
43 Execution timed out 2024 ms 2396 KB Time limit exceeded
44 Execution timed out 2024 ms 2392 KB Time limit exceeded
45 Execution timed out 2025 ms 2392 KB Time limit exceeded
46 Execution timed out 2072 ms 2396 KB Time limit exceeded
47 Execution timed out 2025 ms 3272 KB Time limit exceeded