Submission #493590

#	Time	Username	Problem	Language	Result	Execution time	Memory
493590		Jeff12345121	Sum Zero (RMI20_sumzero)	C++14	Compilation error	0 ms	0 KiB

sumzero

#include <bits/stdc++.h>
#define ff first
#define ss second
#define in cin
#define out cout

using namespace std;

typedef pair<int,int> pp;


const int nmax = 100005;
const int inf = 1000000005;
int n,q;
int v[nmax];
long long s[nmax];
int dp[nmax];
pp qs[nmax];
void solve(int l , int r) {
    for (int i = l; i <= r; i++) {
        dp[i] = -inf;
    }
    dp[l - 1] = 0;
    unordered_map<long long,int> vec;
    vec[s[l - 1]] = 0;
    for (int i = l; i <= r; i++) {
        dp[i] = dp[i - 1];
        if (vec.find(s[i]) != vec.end()) {
            dp[i] = max( dp[i] , max(0LL , vec[s[i]]) + 1 );
            vec[s[i]] = max(vec[s[i]] , dp[i]);
        } else {
            dp[i] = max(dp[i] , -inf);
            vec[s[i]] = dp[i];
        }
    }

    out << dp[r] << "\n";
}

int32_t main() {
    in >> n;
    for (int i = 1; i <= n; i++) {
        in >> v[i];
    }
    for (int i = 1; i <= n; i++) {
        s[i] = v[i] + s[i - 1];
    }
    in >> q;
    for (int i = 1; i <= q; i++) {
        in >> qs[i].ff >> qs[i].ss;
    }

    for (int i = 1; i <= q; i++) {
        solve(qs[i].ff , qs[i].ss);
    }
    return 0;
}

Compilation message (stderr)

sumzero.cpp: In function 'void solve(int, int)':
sumzero.cpp:29:53: error: no matching function for call to 'max(long long int, std::unordered_map<long long int, int>::mapped_type&)'
   29 |             dp[i] = max( dp[i] , max(0LL , vec[s[i]]) + 1 );
      |                                                     ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 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:29:53: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'std::unordered_map<long long int, int>::mapped_type' {aka 'int'})
   29 |             dp[i] = max( dp[i] , max(0LL , vec[s[i]]) + 1 );
      |                                                     ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 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:29:53: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'std::unordered_map<long long int, int>::mapped_type' {aka 'int'})
   29 |             dp[i] = max( dp[i] , max(0LL , vec[s[i]]) + 1 );
      |                                                     ^
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:29:53: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   29 |             dp[i] = max( dp[i] , max(0LL , vec[s[i]]) + 1 );
      |                                                     ^
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:29:53: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   29 |             dp[i] = max( dp[i] , max(0LL , vec[s[i]]) + 1 );
      |                                                     ^