답안 #991431

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
991431	2024-06-02T08:59:17 Z	Andrey	Portal (BOI24_portal)	C++14	컴파일 오류	0 ms	0 KB

Main

#include<bits/stdc++.h>
using namespace std;

long long gcd(long long a, long long b) {
    if(b < 0) {
        b = abs(b);
    }
    if(a < 0) {
        a = abs(a);
    }
    if(b == 0) {
        return a;
    }
    return gcd(b,a%b);
}

long long lcm(long long a, long long b) {
    a = abs(a);
    b = abs(b);
    return (a/gcd(a,b))*b;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    long long n,a,b,ans = 0,x = 0;
    cin >> n;
    vector<pair<long long,long long>> haha(n);
    for(long long i = 0; i < n; i++) {
        cin >> a >> b;
        haha[i] = {a,b};
    }
    vector<pair<long long,long long>> yay(0);
    for(long long i = 1; i < n; i++) {
        yay.push_back({haha[i].first-haha[i-1].first,haha[i].second-haha[i-1].second});
    }
    for(long long i = 0; i < yay.size(); i++) {
        x = gcd(x,yay[i].second);
        for(long long j = i+1; j < min(i+2,yay.size()); j++) {
            if(yay[i].second == 0) {
                ans = gcd(ans,yay[i].first);
            }
            else if(yay[j].second == 0) {
                ans = gcd(ans,yay[j].first);
            }
            else {
                long long a = yay[i].first,b = -yay[i].second,c = yay[j].first,d = -yay[j].second;
                ans = gcd(ans,a*(lcm(b,d)/b)-c*(lcm(b,d)/d));
            }
        }
    }
    if(ans*x == 0) {
        cout << -1;
    }
    else {
        cout << abs(ans*x);
    }
    return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:39:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |     for(long long i = 0; i < yay.size(); i++) {
      |                          ~~^~~~~~~~~~~~
Main.cpp:41:54: error: no matching function for call to 'min(long long int, std::vector<std::pair<long long int, long long int> >::size_type)'
   41 |         for(long long j = i+1; j < min(i+2,yay.size()); j++) {
      |                                                      ^
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 Main.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:
Main.cpp:41:54: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'})
   41 |         for(long long j = i+1; j < min(i+2,yay.size()); j++) {
      |                                                      ^
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 Main.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:
Main.cpp:41:54: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'})
   41 |         for(long long j = i+1; j < min(i+2,yay.size()); j++) {
      |                                                      ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from Main.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:
Main.cpp:41:54: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   41 |         for(long long j = i+1; j < min(i+2,yay.size()); j++) {
      |                                                      ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from Main.cpp:1:
/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:
Main.cpp:41:54: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   41 |         for(long long j = i+1; j < min(i+2,yay.size()); j++) {
      |                                                      ^