Submission #597206

#	Time	Username	Problem	Language	Result	Execution time	Memory
597206		Deepesson	Sum Zero (RMI20_sumzero)	C++17	Compilation error	0 ms	0 KiB

sumzero

#include <bits/stdc++.h>
#define MAX 405000
#define LOG 19
using ll = long long;

int array[MAX];

int N;
int jump[MAX][2];
int pulo_origem[MAX];

void simular_camada(int u){
    for(int i=0;i!=N;++i)jump[i][0]=pulo_origem[i];

    for(int j=1;j!=u+1;++j){
        int cord = j&1;
        int oposto = !cord;
        for(int i=0;i!=N;++i){
            int x = jump[i][oposto];
            if(x<0)jump[i][cord]=x-1;
            else jump[i][cord]=jump[x][oposto];
        }
    }
}

int main()
{
    std::ios::sync_with_stdio(false);
    std::cin.tie(0);
    std::cout.tie(0);

    std::cin>>N;
    for(int i=0;i!=N;++i)std::cin>>array[i];

    std::map<ll,int> mapa;
    mapa[0]=-1;
    ll prev=-7;
    ll s=0;
    for(int i=0;i!=N;++i){
        s+=array[i];
        ll falta = s;
        if(mapa.find(falta)!=mapa.end()){
            prev=std::max(prev,mapa[falta]);
        }
        pulo_origem[i]=prev;
        mapa[s]=i;
    }
    mapa.clear();

    int Q;
    std::cin>>Q;
    int ans[Q]={},pos[Q],lim[Q];
    for(int i=0;i!=Q;++i){
        int l,r;
        std::cin>>l>>r;l-=2;--r;
        pos[i] = r;
        lim[i] = l;
    }

    ///Exponenciacao binaria
    for(int j=LOG-1;j!=-1;--j){
        simular_camada(j);
        for(int i=0;i!=Q;++i){
            if(pos[i]>=0&&jump[pos[i]][j&1]>=lim[i]){
                ans[i]+=1<<j;
                pos[i]=jump[pos[i]][j&1];
            }
        }
    }

    for(int i=0;i!=Q;++i)std::cout<<ans[i]<<"\n";
}

Compilation message (stderr)

sumzero.cpp: In function 'int main()':
sumzero.cpp:43:43: error: no matching function for call to 'max(ll&, std::map<long long int, int>::mapped_type&)'
   43 |             prev=std::max(prev,mapa[falta]);
      |                                           ^
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 sumzero.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:
sumzero.cpp:43:43: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'std::map<long long int, int>::mapped_type' {aka 'int'})
   43 |             prev=std::max(prev,mapa[falta]);
      |                                           ^
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 sumzero.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:
sumzero.cpp:43:43: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'std::map<long long int, int>::mapped_type' {aka 'int'})
   43 |             prev=std::max(prev,mapa[falta]);
      |                                           ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from sumzero.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:
sumzero.cpp:43:43: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   43 |             prev=std::max(prev,mapa[falta]);
      |                                           ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from sumzero.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:
sumzero.cpp:43:43: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   43 |             prev=std::max(prev,mapa[falta]);
      |                                           ^