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답안 #1090337

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1090337 2024-09-18T09:05:21 Z modwwe 코끼리 (Dancing Elephants) (IOI11_elephants) C++17
50 / 100
 9000 ms 8924 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=200;
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: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();
      |             ^~~
elephants.cpp:126:23: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  126 |         if(snew.size()>=S)
      |            ~~~~~~~~~~~^~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 452 KB Output is correct

Subtask #2
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 452 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 348 KB Output is correct

Subtask #3
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 452 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 255 ms 3672 KB Output is correct
8 Correct 335 ms 4440 KB Output is correct
9 Correct 910 ms 8916 KB Output is correct
10 Correct 537 ms 8924 KB Output is correct
11 Correct 738 ms 8664 KB Output is correct
12 Correct 2969 ms 8924 KB Output is correct
13 Correct 539 ms 8536 KB Output is correct

Subtask #4
0 / 47.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 452 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 255 ms 3672 KB Output is correct
8 Correct 335 ms 4440 KB Output is correct
9 Correct 910 ms 8916 KB Output is correct
10 Correct 537 ms 8924 KB Output is correct
11 Correct 738 ms 8664 KB Output is correct
12 Correct 2969 ms 8924 KB Output is correct
13 Correct 539 ms 8536 KB Output is correct
14 Execution timed out 9046 ms 5212 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 600 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 452 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 255 ms 3672 KB Output is correct
8 Correct 335 ms 4440 KB Output is correct
9 Correct 910 ms 8916 KB Output is correct
10 Correct 537 ms 8924 KB Output is correct
11 Correct 738 ms 8664 KB Output is correct
12 Correct 2969 ms 8924 KB Output is correct
13 Correct 539 ms 8536 KB Output is correct
14 Execution timed out 9046 ms 5212 KB Time limit exceeded
15 Halted 0 ms 0 KB -