답안 #761590

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
761590	2023-06-20T05:13:26 Z	gggkik	도넛 (JOI14_ho_t3)	C++14	컴파일 오류	0 ms	0 KB

2014_ho_t3

#include <bits/stdc++.h>
using namespace std;
const int MXN = 1e5+5;
#define ll long long
ll A[MXN], P[MXN], n, all;
vector<ll> sa, sb;
int cut(ll x,int i){
    ll ans = 0;
    for(int i = 1;i<=n;i++){
        for(int j = i;j<=n;j++){ // [i,j] [j+1,k] [k+1,n]+[1,i-1]
            for(int k = j+1;k<=n;k++){
                ans = max(ans,min({sum(i,j),sum(j+1,k),sum(k+1,n)+sum(1,i-1)}));
            }
        }
    }
    return ans;
}
int f(ll x){ // 답이 x 이상인가?
    for(int i = 0;i<n;i++) // i에서 cut
        if(cut(x,i)>=x) return 1;
    return 0;
}
ll sum(int i,int j){return (i<=j?P[j]-P[i-1]:0);}
int main() {
    cin.tie(0)->sync_with_stdio(0);
    cin >> n;
    ll nans = 0;
    for(int i = 1;i<=n;i++){
        cin >> A[i]; P[i] = P[i-1]+A[i];
    }
    all = P[n];
    ll suma = 0, sumb = 0;
    sa.push_back(0);
    for(int t = 0;t<2;t++)
        for(int i = 1;i<=n;i++){
            suma += A[i]; sa.push_back(suma);
        }
    for(int i = n;i>0;i--){
        sumb += A[i]; sb.push_back(sumb);
    }
    for(int i = 0;i<=n;i++) sb.push_back(-P[i]);
    sort(sb.begin(),sb.end());
    ll l = 0, r = all;
    for(;l+1<r;){
        ll mid = l+r>>1;
        if(f(mid)) l = mid;
        else r = mid;
    }
    cout << l;
}

Compilation message

2014_ho_t3.cpp: In function 'int cut(long long int, int)':
2014_ho_t3.cpp:12:36: error: 'sum' was not declared in this scope
   12 |                 ans = max(ans,min({sum(i,j),sum(j+1,k),sum(k+1,n)+sum(1,i-1)}));
      |                                    ^~~
2014_ho_t3.cpp:12:78: error: no matching function for call to 'min(<brace-enclosed initializer list>)'
   12 |                 ans = max(ans,min({sum(i,j),sum(j+1,k),sum(k+1,n)+sum(1,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 2014_ho_t3.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:230:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  230 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:230:5: note:   template argument deduction/substitution failed:
2014_ho_t3.cpp:12:78: note:   candidate expects 2 arguments, 1 provided
   12 |                 ans = max(ans,min({sum(i,j),sum(j+1,k),sum(k+1,n)+sum(1,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 2014_ho_t3.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:278:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  278 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:278:5: note:   template argument deduction/substitution failed:
2014_ho_t3.cpp:12:78: note:   candidate expects 3 arguments, 1 provided
   12 |                 ans = max(ans,min({sum(i,j),sum(j+1,k),sum(k+1,n)+sum(1,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 2014_ho_t3.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3468:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(std::initializer_list<_Tp>)'
 3468 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3468:5: note:   template argument deduction/substitution failed:
/usr/include/c++/10/bits/stl_algo.h:3474:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(std::initializer_list<_Tp>, _Compare)'
 3474 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3474:5: note:   template argument deduction/substitution failed:
2014_ho_t3.cpp: In function 'int main()':
2014_ho_t3.cpp:45:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   45 |         ll mid = l+r>>1;
      |                  ~^~
2014_ho_t3.cpp:27:8: warning: unused variable 'nans' [-Wunused-variable]
   27 |     ll nans = 0;
      |        ^~~~