Submission #835832

#	Time	Username	Problem	Language	Result	Execution time	Memory
835832		7mody	Gondola (IOI14_gondola)	C++17	Compilation error	0 ms	0 KiB

gondola

#include "gondola.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
 
const int maxn = 250005;
const int mod=1e9+9;
 
map<int,int> mp;

ll power(ll a,ll n){
    ll res=1;
    while(n){
        if(n&1) res=(res*a)%mod;
        a=(a*a) % mod;
        n>>=1;
    }
    return res;
}

int valid(int n, int arr[]){
    int start=-1;
    for(int i=0; i < n;i++){
        if(mp[arr[i]]) return 0;
        mp[arr[i]]=true;
        if(arr[i]<=n){
            int curr=(i-arr[i]+1+n)%n;
            if(start==-1) start=curr;
            else if(start!=curr) return 0;
        }
    }
    return 1;
}

 
int replacement(int n, int arr[], int res[]){
    int start=0;
    deque<int> dq(n);
    for(int i=0; i < n;i++){
        if(arr[i]<=n) start=(i-arr[i]+1+n)%n;
        dq[i]=arr[i];
    }
    while(start){
        dq.push_back(dq.front());
        dq.pop_front();
        start--;
    }
    vector<pair<int,int>> ans(n);
    for(int i=0; i < n;i++){
        ans[i]=({dq[i],i});
    }
    sort(ans.begin(),ans.end());
    int size=0;
    int curr=n+1;
    for(int i=0; i < n;i++){
        if(dq[i]<=n) continue;
        res[size++]=ans[i].second+1;
        while(curr < ans[i].first) res[size++]=curr++;
        curr++;
    }
    return size;
}

 
int countReplacement(int n, int arr[]){
    if(!valid(n,arr)) return 0;
    vector<ll> vec;
    ll curr=n;
    ll res=1;
    ll last=n;
    for(int i=0; i < n;i++){
        if(arr[i]<=n) curr--;
        else vec.push_back(arr[i]);
    }
    sort(vec.begin(),vec.end());
    if(curr==n) res=n;
    for(ll x : vec){
        res=(res*power(curr,x-last-1))%mod;
        last=x;
        curr--;
    }
    return int(res);
}

Compilation message (stderr)

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:50:25: error: expected ';' before '}' token
   50 |         ans[i]=({dq[i],i});
      |                         ^
      |                         ;
gondola.cpp:50:26: error: no match for 'operator=' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} and 'int')
   50 |         ans[i]=({dq[i],i});
      |                          ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from gondola.cpp:2:
/usr/include/c++/10/bits/stl_pair.h:390:7: note: candidate: 'std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_copy_assignable<_T1>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch&>::type) [with _T1 = int; _T2 = int; typename std::conditional<std::__and_<std::is_copy_assignable<_T1>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch&>::type = const std::pair<int, int>&]'
  390 |       operator=(typename conditional<
      |       ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:393:41: note:   no known conversion for argument 1 from 'int' to 'std::conditional<true, const std::pair<int, int>&, const std::__nonesuch&>::type' {aka 'const std::pair<int, int>&'}
  390 |       operator=(typename conditional<
      |                 ~~~~~~~~~~~~~~~~~~~~~    
  391 |   __and_<is_copy_assignable<_T1>,
      |   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~        
  392 |          is_copy_assignable<_T2>>::value,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  393 |   const pair&, const __nonesuch&>::type __p)
      |   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_pair.h:401:7: note: candidate: 'std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch&&>::type) [with _T1 = int; _T2 = int; typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch&&>::type = std::pair<int, int>&&]'
  401 |       operator=(typename conditional<
      |       ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:404:31: note:   no known conversion for argument 1 from 'int' to 'std::conditional<true, std::pair<int, int>&&, std::__nonesuch&&>::type' {aka 'std::pair<int, int>&&'}
  401 |       operator=(typename conditional<
      |                 ~~~~~~~~~~~~~~~~~~~~~
  402 |   __and_<is_move_assignable<_T1>,
      |   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  403 |          is_move_assignable<_T2>>::value,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  404 |   pair&&, __nonesuch&&>::type __p)
      |   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_pair.h:418:2: note: candidate: 'template<class _U1, class _U2> typename std::enable_if<std::__and_<std::is_assignable<_T1&, const _U1&>, std::is_assignable<_T2&, const _U2&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(const std::pair<_U1, _U2>&) [with _U1 = _U1; _U2 = _U2; _T1 = int; _T2 = int]'
  418 |  operator=(const pair<_U1, _U2>& __p)
      |  ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:418:2: note:   template argument deduction/substitution failed:
gondola.cpp:50:26: note:   mismatched types 'const std::pair<_T1, _T2>' and 'int'
   50 |         ans[i]=({dq[i],i});
      |                          ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from gondola.cpp:2:
/usr/include/c++/10/bits/stl_pair.h:430:2: note: candidate: 'template<class _U1, class _U2> typename std::enable_if<std::__and_<std::is_assignable<_T1&, _U1&&>, std::is_assignable<_T2&, _U2&&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(std::pair<_U1, _U2>&&) [with _U1 = _U1; _U2 = _U2; _T1 = int; _T2 = int]'
  430 |  operator=(pair<_U1, _U2>&& __p)
      |  ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:430:2: note:   template argument deduction/substitution failed:
gondola.cpp:50:26: note:   mismatched types 'std::pair<_T1, _T2>' and 'int'
   50 |         ans[i]=({dq[i],i});
      |                          ^