Submission #519064

# Submission time Handle Problem Language Result Execution time Memory
519064 2022-01-25T14:29:01 Z A_D Global Warming (CEOI18_glo) C++14
Compilation error
0 ms 0 KB
#include <bits/stdc++.h>

#define int long long
#define ii pair<int,int>
#define F first
#define S second

using namespace std;
const int N=2e5+100;
int a[N];
map<int,int> mp;
set<int> st;
int seg1[4*N];
int seg2[4*N];
int b[N];
int freq[N];
int get1(int p,int s,int e,int a,int b)
{
    if(a<=s&&e<=b)return seg1[p];
    if(s>b||e<a)return 0;
    int mid=(s+e)/2;
    return max(get1(p*2,s,mid,a,b),get1(p*2+1,mid+1,e,a,b));
}
void update1(int p,int s,int e,int i,int v)
{
    if(s==e){
        seg1[p]=v;
        return;
    }
    int mid=(s+e)/2;
    if(i<=mid){
        update1(p*2,s,mid,i,v);
    }
    else{
        update1(p*2+1,mid+1,e,i,v);
    }
    seg1[p]=max(seg1[p*2],seg1[p*2+1]);
}

int get2(int p,int s,int e,int a,int b)
{
    if(a<=s&&e<=b)return seg2[p];
    if(s>b||e<a)return 0;
    int mid=(s+e)/2;
    return max(get2(p*2,s,mid,a,b),get2(p*2+1,mid+1,e,a,b));
}



void update2(int p,int s,int e,int i,int v)
{
    if(s==e){
        seg2[p]=v;
        return;
    }
    int mid=(s+e)/2;
    if(i<=mid){
        update2(p*2,s,mid,i,v);
    }
    else{
        update2(p*2+1,mid+1,e,i,v);
    }
    seg2[p]=max(seg2[p*2],seg2[p*2+1]);
}


void solve()
{
    int n,x;
    cin>>n>>x;
    for(int i=1;i<=n;i++){
        scanf("%lld",&a[i]);
        st.insert(a[i]);
    }
    int cnt=1;
    for(auto x:st){
        freq[cnt]=x;
        mp[x]=cnt++;
    }
    for(int i=1;i<=n;i++){
        a[i]=mp[a[i]];
    }
    for(int i=1;i<=n;i++){
        int v=0;
        if(a[i]!=1){
            v=get1(1,1,n,1,a[i]-1);
        }
        //cout<<v<<" ";
        b[i]=get1(1,1,n,a[i],a[i]);
        update1(1,1,n,a[i],v+1);
      //  cout<<b[i]<<" ";
    }
    //cout<<endl;
    int ans=get(1,1,n,1,n);
    cout<<ans<<endl;
    return;

 //   cout<<seg1[1]<<endl;
    for(int i=n;i>1;i--){
        int v=0;
        if(a[i]!=n){
            v=get2(1,1,n,a[i]+1,n);
        }
        update2(1,1,n,a[i],v+1);
        //cout<<b[i]<<" ";
        update1(1,1,n,a[i],b[i]);
       // for(int j=1;j<=n;j++)cout<<get1(1,1,n,a[j],a[j])<<" ";cout<<endl;
        int l=1,r=cnt-1,ann;
        while(l<=r){
            int mid=(l+r)/2;
            if(freq[mid]<freq[a[i]]+x){
                l=mid+1;
                ann=mid;
            }
            else{
                r=mid-1;
            }
        }
  //      cout<<get1(1,1,n,1,ann)<<" "<<get2(1,1,n,a[i],n)<<endl;
        ans=max(ans,get2(1,1,n,a[i],n)+get1(1,1,n,1,ann));
    }
//    cout<<endl;
    cout<<ans<<endl;
}
main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int t=1;
    //cin>>t;
    while(t--){
        solve();
    }
}





Compilation message

glo.cpp: In function 'void solve()':
glo.cpp:94:26: error: no matching function for call to 'get(int, int, long long int&, int, long long int&)'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from glo.cpp:1:
/usr/include/c++/10/utility:223:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::get(std::pair<_Tp1, _Tp2>&)'
  223 |     get(std::pair<_Tp1, _Tp2>& __in) noexcept
      |     ^~~
/usr/include/c++/10/utility:223:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'std::pair<_Tp1, _Tp2>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from glo.cpp:1:
/usr/include/c++/10/utility:228:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&& std::get(std::pair<_Tp1, _Tp2>&&)'
  228 |     get(std::pair<_Tp1, _Tp2>&& __in) noexcept
      |     ^~~
/usr/include/c++/10/utility:228:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'std::pair<_Tp1, _Tp2>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from glo.cpp:1:
/usr/include/c++/10/utility:233:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::get(const std::pair<_Tp1, _Tp2>&)'
  233 |     get(const std::pair<_Tp1, _Tp2>& __in) noexcept
      |     ^~~
/usr/include/c++/10/utility:233:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'const std::pair<_Tp1, _Tp2>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from glo.cpp:1:
/usr/include/c++/10/utility:238:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&& std::get(const std::pair<_Tp1, _Tp2>&&)'
  238 |     get(const std::pair<_Tp1, _Tp2>&& __in) noexcept
      |     ^~~
/usr/include/c++/10/utility:238:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'const std::pair<_Tp1, _Tp2>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from glo.cpp:1:
/usr/include/c++/10/utility:247:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp& std::get(std::pair<_T1, _T2>&)'
  247 |     get(pair<_Tp, _Up>& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:247:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'std::pair<_T1, _T2>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from glo.cpp:1:
/usr/include/c++/10/utility:252:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const std::pair<_T1, _T2>&)'
  252 |     get(const pair<_Tp, _Up>& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:252:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'const std::pair<_T1, _T2>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from glo.cpp:1:
/usr/include/c++/10/utility:257:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp&& std::get(std::pair<_T1, _T2>&&)'
  257 |     get(pair<_Tp, _Up>&& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:257:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'std::pair<_T1, _T2>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from glo.cpp:1:
/usr/include/c++/10/utility:262:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const std::pair<_T1, _T2>&&)'
  262 |     get(const pair<_Tp, _Up>&& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:262:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'const std::pair<_T1, _T2>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from glo.cpp:1:
/usr/include/c++/10/utility:267:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp& std::get(std::pair<_Up, _Tp>&)'
  267 |     get(pair<_Up, _Tp>& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:267:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'std::pair<_Up, _Tp>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from glo.cpp:1:
/usr/include/c++/10/utility:272:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const std::pair<_Up, _Tp>&)'
  272 |     get(const pair<_Up, _Tp>& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:272:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'const std::pair<_Up, _Tp>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from glo.cpp:1:
/usr/include/c++/10/utility:277:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp&& std::get(std::pair<_Up, _Tp>&&)'
  277 |     get(pair<_Up, _Tp>&& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:277:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'std::pair<_Up, _Tp>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from glo.cpp:1:
/usr/include/c++/10/utility:282:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const std::pair<_Up, _Tp>&&)'
  282 |     get(const pair<_Up, _Tp>&& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:282:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'const std::pair<_Up, _Tp>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/tuple:39,
                 from /usr/include/c++/10/functional:54,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:71,
                 from glo.cpp:1:
/usr/include/c++/10/array:334:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr _Tp& std::get(std::array<_Tp, _Nm>&)'
  334 |     get(array<_Tp, _Nm>& __arr) noexcept
      |     ^~~
/usr/include/c++/10/array:334:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'std::array<_Tp, _Nm>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/tuple:39,
                 from /usr/include/c++/10/functional:54,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:71,
                 from glo.cpp:1:
/usr/include/c++/10/array:343:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr _Tp&& std::get(std::array<_Tp, _Nm>&&)'
  343 |     get(array<_Tp, _Nm>&& __arr) noexcept
      |     ^~~
/usr/include/c++/10/array:343:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'std::array<_Tp, _Nm>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/tuple:39,
                 from /usr/include/c++/10/functional:54,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:71,
                 from glo.cpp:1:
/usr/include/c++/10/array:351:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr const _Tp& std::get(const std::array<_Tp, _Nm>&)'
  351 |     get(const array<_Tp, _Nm>& __arr) noexcept
      |     ^~~
/usr/include/c++/10/array:351:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'const std::array<_Tp, _Nm>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/tuple:39,
                 from /usr/include/c++/10/functional:54,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:71,
                 from glo.cpp:1:
/usr/include/c++/10/array:360:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr const _Tp&& std::get(const std::array<_Tp, _Nm>&&)'
  360 |     get(const array<_Tp, _Nm>&& __arr) noexcept
      |     ^~~
/usr/include/c++/10/array:360:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'const std::array<_Tp, _Nm>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/functional:54,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:71,
                 from glo.cpp:1:
/usr/include/c++/10/tuple:1294:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_Elements ...> >& std::get(std::tuple<_Elements ...>&)'
 1294 |     get(tuple<_Elements...>& __t) noexcept
      |     ^~~
/usr/include/c++/10/tuple:1294:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'std::tuple<_Elements ...>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/functional:54,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:71,
                 from glo.cpp:1:
/usr/include/c++/10/tuple:1300:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_Elements ...> >& std::get(const std::tuple<_Elements ...>&)'
 1300 |     get(const tuple<_Elements...>& __t) noexcept
      |     ^~~
/usr/include/c++/10/tuple:1300:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'const std::tuple<_Elements ...>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/functional:54,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:71,
                 from glo.cpp:1:
/usr/include/c++/10/tuple:1306:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_Elements ...> >&& std::get(std::tuple<_Elements ...>&&)'
 1306 |     get(tuple<_Elements...>&& __t) noexcept
      |     ^~~
/usr/include/c++/10/tuple:1306:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'std::tuple<_Elements ...>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/functional:54,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:71,
                 from glo.cpp:1:
/usr/include/c++/10/tuple:1315:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_Elements ...> >&& std::get(const std::tuple<_Elements ...>&&)'
 1315 |     get(const tuple<_Elements...>&& __t) noexcept
      |     ^~~
/usr/include/c++/10/tuple:1315:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'const std::tuple<_Elements ...>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/functional:54,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:71,
                 from glo.cpp:1:
/usr/include/c++/10/tuple:1338:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr _Tp& std::get(std::tuple<_Elements ...>&)'
 1338 |     get(tuple<_Types...>& __t) noexcept
      |     ^~~
/usr/include/c++/10/tuple:1338:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'std::tuple<_Elements ...>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/functional:54,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:71,
                 from glo.cpp:1:
/usr/include/c++/10/tuple:1344:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr _Tp&& std::get(std::tuple<_Elements ...>&&)'
 1344 |     get(tuple<_Types...>&& __t) noexcept
      |     ^~~
/usr/include/c++/10/tuple:1344:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'std::tuple<_Elements ...>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/functional:54,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:71,
                 from glo.cpp:1:
/usr/include/c++/10/tuple:1350:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr const _Tp& std::get(const std::tuple<_Elements ...>&)'
 1350 |     get(const tuple<_Types...>& __t) noexcept
      |     ^~~
/usr/include/c++/10/tuple:1350:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'const std::tuple<_Elements ...>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
In file included from /usr/include/c++/10/functional:54,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:71,
                 from glo.cpp:1:
/usr/include/c++/10/tuple:1357:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr const _Tp&& std::get(const std::tuple<_Elements ...>&&)'
 1357 |     get(const tuple<_Types...>&& __t) noexcept
      |     ^~~
/usr/include/c++/10/tuple:1357:5: note:   template argument deduction/substitution failed:
glo.cpp:94:26: note:   mismatched types 'const std::tuple<_Elements ...>' and 'int'
   94 |     int ans=get(1,1,n,1,n);
      |                          ^
glo.cpp: At global scope:
glo.cpp:125:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  125 | main()
      | ^~~~
glo.cpp: In function 'void solve()':
glo.cpp:72:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   72 |         scanf("%lld",&a[i]);
      |         ~~~~~^~~~~~~~~~~~~~