제출 #1242288

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1242288		hiikunZ	Finding Routers (IOI20_routers)	C++20	컴파일 에러	0 ms	0 KiB

routers

#include "routers.h"
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
std::vector<int> find_routers(int L,int N,int Q) {
    vector<int> ret(N,-1);
    ret[0] = 0;
    vector<ll> ans = {0};
    ll T;

    while((ll)ans.size() < N){
        T = max((L - ret[ans.back()]) / (N - (ll)ans.size()) * 0.65,1LL);
        ll l = ret[ans.back()] + 1,r = min((ll)L,l + T),k = -1;
        while(1){
            ll res = use_detector(r);
            if(res == ans.back()) r = min((ll)L,r + T);
            else{
                k = res;
                break;
            }
        }
        while(r - l > 1){
            ll m = (l + r) / 2;
            ll res = -1;
            if(m == ret[ans.back()] + 1) res = ans.back();
            else res = use_detector(m);
            if(res == ans.back()) l = m;
            else{
                r = m;
                k = res;
            }
        }
        ll dis = l - ret[ans.back()];
        ans.emplace_back(k);
        // cerr << k << " " << l + dis << endl;
        ret[k] = l + dis;
    }
    return ret;
}

컴파일 시 표준 에러 (stderr) 메시지

routers.cpp: In function 'std::vector<int> find_routers(int, int, int)':
routers.cpp:12:16: error: no matching function for call to 'max(double, long long int)'
   12 |         T = max((L - ret[ans.back()]) / (N - (ll)ans.size()) * 0.65,1LL);
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/vector:60,
                 from routers.h:1,
                 from routers.cpp:1:
/usr/include/c++/11/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++/11/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
routers.cpp:12:16: note:   deduced conflicting types for parameter 'const _Tp' ('double' and 'long long int')
   12 |         T = max((L - ret[ans.back()]) / (N - (ll)ans.size()) * 0.65,1LL);
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/vector:60,
                 from routers.h:1,
                 from routers.cpp:1:
/usr/include/c++/11/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++/11/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
routers.cpp:12:16: note:   deduced conflicting types for parameter 'const _Tp' ('double' and 'long long int')
   12 |         T = max((L - ret[ans.back()]) / (N - (ll)ans.size()) * 0.65,1LL);
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/vector:62,
                 from routers.h:1,
                 from routers.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:3461:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3461 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/11/bits/stl_algo.h:3461:5: note:   template argument deduction/substitution failed:
routers.cpp:12:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'double'
   12 |         T = max((L - ret[ans.back()]) / (N - (ll)ans.size()) * 0.65,1LL);
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/vector:62,
                 from routers.h:1,
                 from routers.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:3467:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3467 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/11/bits/stl_algo.h:3467:5: note:   template argument deduction/substitution failed:
routers.cpp:12:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'double'
   12 |         T = max((L - ret[ans.back()]) / (N - (ll)ans.size()) * 0.65,1LL);
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~