oj.uz

Submission #1090338

# Submission time Handle Problem Language Result Execution time Memory
1090338 2024-09-18T09:06:08 Z modwwe Dancing Elephants (IOI11_elephants) C++17
50 / 100
 9000 ms 8532 KB 
#pragma GCC optimize("Ofast,unroll-loops")
#include<bits/stdc++.h>
//#define int long long
//#define ll long long
#define down cout<<'\n';
#define debug cout<<" cucuucucuuu",down
#define NHP     ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe  int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".ans","w",stdout)
#define pb push_back
#define checktime   cerr << (double)clock() / CLOCKS_PER_SEC * 1000  << " ms";
using namespace std;
#define getchar_unlocked getchar

inline int scan()
{
    char c = getchar_unlocked();
    int x = 0;
    while(c<'0'||c>'9')
    {
        c=getchar_unlocked();
    }
    while(c>='0'&&c<='9')
    {
        x=(x<<1)+(x<<3)+c-'0';
        c=getchar_unlocked();
    }
    return x;
}

void phongbeo();
const int inf=1e9+1;
const int mod2=1e9+9;
const int  mod1=998244353;
struct icd
{
    long double a;
    int b;
};
struct ib
{
    int a;
    int b;
};
struct ic
{
    int a,b,c;
};
struct id
{
    int a,b,c,d;
};
struct ie
{
    int a,b,c,d,e;

};

int n,m,s1,s2,s4,s3,sf,k,s5,s6,mx,s7,s8,s9,mx2,res,dem2=0,dem=0,s33,dem3,dem4,l,r,mid,l2,r2,center;
int  i,s10,s12;
int kk;
int el=19;
int a[150001];
vector<int> v;
multiset<int> s;
set<int> snew;
int st[17][150002];
bool c[150001];

void calc()
{
    v.clear();
    s9=-1;
    for(int i=1; i<=n; i++)
        v.pb(a[i]), c[i]=0;
    sort(v.begin(),v.end());
    v.erase(unique(v.begin(), v.end()), v.end());
    l=0;
    for(int i=0; i<v.size(); i++)
    {
        while(l<v.size()&&v[i]+k>=v[l]) l++ ;
        st[0][i+1]=l+1;
    }
    st[0][v.size()+1]=0;
    s9=v.back();
    mx=s9;
    for(int i=1; i<17; i++)
        for(int j=1; j<=v.size()+1; j++)
            st[i][j]=st[i-1][st[i-1][j]];
    snew.clear();
}
    int S=330;
void init(int N, int L, int X[])
{
   n=N;
   k=L;

    for(int i=1; i<=n; i++)
        a[i]=X[i-1],s.insert(a[i]);
    sort(a+1,a+1+n);
    calc();
}
int update(int i, int y)
    {
         dem++;
        l=i;
        r=y;
        l++;
        auto it=s.lower_bound(a[l]);
        if(!c[l])snew.insert(a[l]);

        s.erase(it);
        a[l]=r;
        s.insert(r);
        if(a[l]<=mx)
            if(v[lower_bound(v.begin(),v.end(),a[l])-v.begin()]!=a[l])
            {
                snew.insert(a[l]),c[l]=1;
            }
            dem=snew.size();
        if(snew.size()>=S)
            calc();
        s3=*s.rbegin();
        s2=*s.begin();
        s4=0 ;
        while(s2<=s3)
        {
            s2=*s.lower_bound(s2);
            if(s2+k>=s3)
            {
                s4++;
                break;
            }
            s8=lower_bound(v.begin(),v.end(),s2)-v.begin()+1;
            if(s2!=v[s8-1])
            {
                s4++;
                s2+=k+1;
            }
            else
            {
                dem++;
                if(snew.size()==0) s5=inf;
                else  if(s2>*snew.rbegin())s5=inf;
                else s5=*snew.upper_bound(s2);
                s6=s2-1;
                s9=s8;
                s12=0;
                for(int i=16; i>=0; --i)
                {
                    if(st[i][s8]==0) continue;
                    if(v[st[i][s8]-2]<=s5)
                        s6=v[st[i][s8]-2],s8=st[i][s8],s12=s12+(1<<i);
                }
                if(s12!=0)
                {
                    s12--;
                    for(int i=16; i>=0; --i)
                        if(bit(s12,i))
                            s9=st[i][s9];
                    s2=v[s9-1];
                }
                s4+=s12;
                if(s2>s3) break;
                s2=*s.lower_bound(s2);
                s4++;
                s2+=k+1;
            }
        }

 return s4;
}

Compilation message

elephants.cpp: In function 'void calc()':
elephants.cpp:83:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   83 |     for(int i=0; i<v.size(); i++)
      |                  ~^~~~~~~~~
elephants.cpp:85:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   85 |         while(l<v.size()&&v[i]+k>=v[l]) l++ ;
      |               ~^~~~~~~~~
elephants.cpp:92:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   92 |         for(int j=1; j<=v.size()+1; j++)
      |                      ~^~~~~~~~~~~~
elephants.cpp: In function 'int update(int, int)':
elephants.cpp:119:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  119 |         if(a[l]<=mx)
      |         ^~
elephants.cpp:124:13: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
  124 |             dem=snew.size();
      |             ^~~
elephants.cpp:125:23: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  125 |         if(snew.size()>=S)
      |            ~~~~~~~~~~~^~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 348 KB Output is correct

Subtask #3
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 252 ms 3564 KB Output is correct
8 Correct 273 ms 4176 KB Output is correct
9 Correct 1344 ms 8412 KB Output is correct
10 Correct 356 ms 8400 KB Output is correct
11 Correct 619 ms 8156 KB Output is correct
12 Correct 3315 ms 8532 KB Output is correct
13 Correct 353 ms 8144 KB Output is correct

Subtask #4
0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 252 ms 3564 KB Output is correct
8 Correct 273 ms 4176 KB Output is correct
9 Correct 1344 ms 8412 KB Output is correct
10 Correct 356 ms 8400 KB Output is correct
11 Correct 619 ms 8156 KB Output is correct
12 Correct 3315 ms 8532 KB Output is correct
13 Correct 353 ms 8144 KB Output is correct
14 Execution timed out 9069 ms 5228 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #5
0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 252 ms 3564 KB Output is correct
8 Correct 273 ms 4176 KB Output is correct
9 Correct 1344 ms 8412 KB Output is correct
10 Correct 356 ms 8400 KB Output is correct
11 Correct 619 ms 8156 KB Output is correct
12 Correct 3315 ms 8532 KB Output is correct
13 Correct 353 ms 8144 KB Output is correct
14 Execution timed out 9069 ms 5228 KB Time limit exceeded
15 Halted 0 ms 0 KB -