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답안 #1090313

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1090313 2024-09-18T08:29:05 Z modwwe 코끼리 (Dancing Elephants) (IOI11_elephants) C++17
50 / 100
 9000 ms 16332 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<16; i++)
        for(int j=1; j<=v.size()+1; j++)
            st[i][j]=st[i-1][st[i-1][j]];
    snew.clear();
}
    int S=223;
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(dem%S==0)
            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=15; 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=15; 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:84:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   84 |     for(int i=0; i<v.size(); i++)
      |                  ~^~~~~~~~~
elephants.cpp:86:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   86 |         while(l<v.size()&&v[i]+k>=v[l]) l++ ;
      |               ~^~~~~~~~~
elephants.cpp:93:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   93 |         for(int j=1; j<=v.size()+1; j++)
      |                      ~^~~~~~~~~~~~
elephants.cpp: In function 'int update(int, int)':
elephants.cpp:120:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  120 |         if(a[l]<=mx)
      |         ^~
elephants.cpp:125:13: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
  125 |             dem=snew.size();
      |             ^~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4440 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct

Subtask #2
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4440 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct

Subtask #3
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4440 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 311 ms 8588 KB Output is correct
8 Correct 299 ms 12888 KB Output is correct
9 Correct 1666 ms 14292 KB Output is correct
10 Correct 522 ms 12496 KB Output is correct
11 Correct 689 ms 14304 KB Output is correct
12 Correct 6547 ms 16332 KB Output is correct
13 Correct 474 ms 15532 KB Output is correct

Subtask #4
0 / 47.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4440 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 311 ms 8588 KB Output is correct
8 Correct 299 ms 12888 KB Output is correct
9 Correct 1666 ms 14292 KB Output is correct
10 Correct 522 ms 12496 KB Output is correct
11 Correct 689 ms 14304 KB Output is correct
12 Correct 6547 ms 16332 KB Output is correct
13 Correct 474 ms 15532 KB Output is correct
14 Execution timed out 9063 ms 12632 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #5
0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4440 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 311 ms 8588 KB Output is correct
8 Correct 299 ms 12888 KB Output is correct
9 Correct 1666 ms 14292 KB Output is correct
10 Correct 522 ms 12496 KB Output is correct
11 Correct 689 ms 14304 KB Output is correct
12 Correct 6547 ms 16332 KB Output is correct
13 Correct 474 ms 15532 KB Output is correct
14 Execution timed out 9063 ms 12632 KB Time limit exceeded
15 Halted 0 ms 0 KB -