Submission #1019689

#	Time	Username	Problem	Language	Result	Execution time	Memory
1019689		overwatch9	Sure Bet (CEOI17_sure)	C++17	Compilation error	0 ms	0 KiB

sure

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
    int n;
    cin >> n;
    vector <pair <ll, ll>> nums(n);
    for (int i = 0; i < n; i++) {
        double a, b;
        cin >> a >> b;
        nums[i].first = a
        nums[i].second = b
    }
    ll ans = 0;
    for (int i = 0; i < (1 << (2 * n)); i++) {
        double l = 0, r = 0;
        double cnt = __builtin_popcount(i);
        for (int j = 0; j < 2*n; j++) {
            if (i & (1 << j)) {
                if (j % 2 == 0)
                    l += nums[j/2].first;
                else
                    r += nums[j/2].second;
            }
        }
        ans = max(ans, min(l, r) - cnt);
    }
    printf("%.4lf", ans);
}

Compilation message (stderr)

sure.cpp: In function 'int main()':
sure.cpp:11:26: error: expected ';' before 'nums'
   11 |         nums[i].first = a
      |                          ^
      |                          ;
   12 |         nums[i].second = b
      |         ~~~~              
sure.cpp:26:39: error: no matching function for call to 'max(ll&, double)'
   26 |         ans = max(ans, min(l, r) - cnt);
      |                                       ^
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 sure.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:
sure.cpp:26:39: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'double')
   26 |         ans = max(ans, min(l, r) - cnt);
      |                                       ^
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 sure.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:
sure.cpp:26:39: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'double')
   26 |         ans = max(ans, min(l, r) - cnt);
      |                                       ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from sure.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:
sure.cpp:26:39: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   26 |         ans = max(ans, min(l, r) - cnt);
      |                                       ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from sure.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:
sure.cpp:26:39: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   26 |         ans = max(ans, min(l, r) - cnt);
      |                                       ^
sure.cpp:28:17: warning: format '%lf' expects argument of type 'double', but argument 2 has type 'll' {aka 'long long int'} [-Wformat=]
   28 |     printf("%.4lf", ans);
      |             ~~~~^   ~~~
      |                 |   |
      |                 |   ll {aka long long int}
      |                 double
      |             %.4lld