Submission #432901

#	Time	Username	Problem	Language	Result	Execution time	Memory
432901		REALITYNB	Gondola (IOI14_gondola)	C++17	Compilation error	0 ms	0 KiB

gondola

#include <bits/stdc++.h>
#include "gondola.h"
using namespace std;
int valid(int n ,int* a){
    set<int> el ;
    for(int i=0;i<n;i++) el.insert(a[i]) ;
    if(el.size()!=n) return 0 ;
    bool flg= 0 ;
    for(int i=0;i<n;i++){
        if(a[i]>n) continue;
        for(int j=i;j<n+i;j++){
            if(a[j%n]>n) continue ;
            if(a[j%n]==((a[i]+j-i)<=n?a[i]+j-i:a[i]+j-i-n)) continue ;
            return 0;
        }
        break ;
    }
    return 1 ;
}
int replacement(int n , int* a , int* ans){
  /*  map<int,int> occ ;
    for(int i=0;i<n;i++) occ[a[i]]=i ;
    int res = 0 ;
    int start = n+1 , mx = 0 ;
    for(int i=0;i<n;i++) mx =max(mx,a[i]) ;
    if(mx<=n) return 0 ;
    int i = 0 ;
    int j= 0;
    while(1){
        if(occ.count(start)==0){
            ans[i]=j;
        }
        else{
            ans[i]=
        }
        if(start==mx) break ;
        ++start,++i ;
    }
*/
    return 1;
}
int countReplacement(int n,int* a){
    #define int long long
    const int md = 1e9+9 ;
    if(valid(n,a)==0) return 0 ;
    int spots = 0 ;
    for(int i=0;i<n;i++) spots+=(a[i]>n) ;
    int ans = (spots==n?n:1), mx =  0 ;
    for(int i=0;i<n;i++) mx = max(mx,a[i]) ;
    set<int> vis ;
    for(int i=0;i<n;i++) vis.insert(a[i]) ;
    for(int i=n+1;i<=mx;i++){
        if(vis.count(i)) --spots ;
        else ans*=spots ;
        ans%=md ;
    }
    #undef int
    int hey = ans ;
    return hey;
}

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:7:17: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
    7 |     if(el.size()!=n) return 0 ;
      |        ~~~~~~~~~^~~
gondola.cpp:8:10: warning: unused variable 'flg' [-Wunused-variable]
    8 |     bool flg= 0 ;
      |          ^~~
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:49:42: error: no matching function for call to 'max(long long int&, int&)'
   49 |     for(int i=0;i<n;i++) mx = max(mx,a[i]) ;
      |                                          ^
In file included 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:1:
/usr/include/c++/10/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
gondola.cpp:49:42: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   49 |     for(int i=0;i<n;i++) mx = max(mx,a[i]) ;
      |                                          ^
In file included 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:1:
/usr/include/c++/10/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
gondola.cpp:49:42: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   49 |     for(int i=0;i<n;i++) mx = max(mx,a[i]) ;
      |                                          ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from gondola.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3480 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3480:5: note:   template argument deduction/substitution failed:
gondola.cpp:49:42: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   49 |     for(int i=0;i<n;i++) mx = max(mx,a[i]) ;
      |                                          ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from gondola.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3486:5: note:   template argument deduction/substitution failed:
gondola.cpp:49:42: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   49 |     for(int i=0;i<n;i++) mx = max(mx,a[i]) ;
      |                                          ^