Submission #1009309

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1009309	2024-06-27T11:11:38 Z	vjudge1	timeismoney (balkan11_timeismoney)	C++17	Compilation error	0 ms	0 KB

timeismoney

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

const int MAXN=200, MAXM=10000;

int n, m;
int xe[MAXM], ye[MAXM], te[MAXM], ce[MAXM];
int link[MAXN], size[MAXN];
int tbest=2e9, cbest=1;
vector<int> bestedges;


bool tcompare(int x, int y)
{
    if (te[x]<te[y])
        return true;

    return false;
}

bool ccompare(int x, int y)
{
    if (ce[x]<ce[y])
        return true;

    return false;
}

int find(int x)
{
    if (link[x]==x)
        return x;

    return link[x]=find(link[x]);
}

void unite(int x, int y)
{
    if (size[x]<size[y])
        swap(x, y);
    size[x]=size[x]+size[y];
    link[y]=x;

    return;
}

void makehull(vector<int> left, vector<int> right)
{
    vector<pair<int, int> > edges;
    for (int i=0; i<n-1; i++)
    {
        int t=te[left[i]];
        int c=ce[left[i]];
        edges.push_back({t+c, left[i]});
    }
    for (int i=0; i<n-1; i++)
    {
        int t=te[right[i]];
        int c=ce[right[i]];
        edges.push_back({t+c, right[i]});
    }
    sort(edges.begin(), edges.end());
    for (int i=0; i<n; i++)
    {
        link[i]=i;
        size[i]=1;
    }
    vector<int> mid;
    int tsum=0, csum=0;
    for (int i=0; i<edges.size(); i++)
    {
        int x=xe[edges[i].second];
        int y=ye[edges[i].second];
        int t=te[edges[i].second];
        int c=ce[edges[i].second];
        if (find(x)==find(y))
            continue;
        unite(find(x), find(y));
        mid.push_back(edges[i].second);
        tsum=tsum+t;
        csum=csum+c;
    }
    if (tsum*csum<tbest*cbest)
    {
        tbest=tsum;
        cbest=csum;
        bestedges=mid;
    }
    if (mid!=left && mid!=right)
    {
        makehull(left, mid);
        makehull(mid, right);
    }

    return;
}

int main()
{
    //ios_base::sync_with_stdio(0);
    //cin.tie(0);

    cin >> n >> m;
    for (int i=0; i<m; i++)
        cin >> xe[i] >> ye[i] >> te[i] >> ce[i];
    int sorted[m];
    for (int i=0; i<m; i++)
        sorted[i]=i;
    int tsum=0, csum=0;
    sort(sorted, sorted+m, tcompare);
    for (int i=0; i<n; i++)
    {
        link[i]=i;
        size[i]=1;
    }
    vector<int> tmin;
    for (int i=0; i<m; i++)
    {
        int x=xe[sorted[i]];
        int y=ye[sorted[i]];
        int t=te[sorted[i]];
        int c=ce[sorted[i]];
        if (find(x)==find(y))
            continue;
        unite(find(x), find(y));
        tmin.push_back(sorted[i]);
        tsum=tsum+t;
        csum=csum+c;
    }
    if (tsum*csum<tbest*cbest)
    {
        tbest=tsum;
        cbest=csum;
        bestedges=tmin;
    }
    for (int i=0; i<m; i++)
        sorted[i]=i;
    sort(sorted, sorted+m, ccompare);
    for (int i=0; i<n; i++)
    {
        link[i]=i;
        size[i]=1;
    }
    vector<int> cmin;
    tsum=0;
    csum=0;
    for (int i=0; i<m; i++)
    {
        int x=xe[sorted[i]];
        int y=ye[sorted[i]];
        int t=te[sorted[i]];
        int c=ce[sorted[i]];
        if (find(x)==find(y))
            continue;
        unite(find(x), find(y));
        cmin.push_back(sorted[i]);
        tsum=tsum+t;
        csum=csum+c;
    }
    if (tsum*csum<tbest*cbest)
    {
        tbest=tsum;
        cbest=csum;
        bestedges=cmin;
    }
    makehull(tmin, cmin);
    cout << tbest << ' ' << cbest << '\n';
    for (int i=0; i<n-1; i++)
    {
        int x=xe[bestedges[i]];
        int y=ye[bestedges[i]];
        cout << x << ' ' << y << '\n';
    }

    return 0;
}

Compilation message

timeismoney.cpp: In function 'void unite(int, int)':
timeismoney.cpp:39:9: error: reference to 'size' is ambiguous
   39 |     if (size[x]<size[y])
      |         ^~~~
In file included from /usr/include/c++/10/string:54,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 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 timeismoney.cpp:1:
/usr/include/c++/10/bits/range_access.h:254:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  254 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/10/bits/range_access.h:245:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  245 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
timeismoney.cpp:8:17: note:                 'int size [200]'
    8 | int link[MAXN], size[MAXN];
      |                 ^~~~
timeismoney.cpp:39:17: error: reference to 'size' is ambiguous
   39 |     if (size[x]<size[y])
      |                 ^~~~
In file included from /usr/include/c++/10/string:54,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 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 timeismoney.cpp:1:
/usr/include/c++/10/bits/range_access.h:254:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  254 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/10/bits/range_access.h:245:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  245 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
timeismoney.cpp:8:17: note:                 'int size [200]'
    8 | int link[MAXN], size[MAXN];
      |                 ^~~~
timeismoney.cpp:41:5: error: reference to 'size' is ambiguous
   41 |     size[x]=size[x]+size[y];
      |     ^~~~
In file included from /usr/include/c++/10/string:54,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 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 timeismoney.cpp:1:
/usr/include/c++/10/bits/range_access.h:254:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  254 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/10/bits/range_access.h:245:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  245 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
timeismoney.cpp:8:17: note:                 'int size [200]'
    8 | int link[MAXN], size[MAXN];
      |                 ^~~~
timeismoney.cpp:41:13: error: reference to 'size' is ambiguous
   41 |     size[x]=size[x]+size[y];
      |             ^~~~
In file included from /usr/include/c++/10/string:54,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 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 timeismoney.cpp:1:
/usr/include/c++/10/bits/range_access.h:254:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  254 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/10/bits/range_access.h:245:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  245 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
timeismoney.cpp:8:17: note:                 'int size [200]'
    8 | int link[MAXN], size[MAXN];
      |                 ^~~~
timeismoney.cpp:41:21: error: reference to 'size' is ambiguous
   41 |     size[x]=size[x]+size[y];
      |                     ^~~~
In file included from /usr/include/c++/10/string:54,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 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 timeismoney.cpp:1:
/usr/include/c++/10/bits/range_access.h:254:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  254 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/10/bits/range_access.h:245:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  245 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
timeismoney.cpp:8:17: note:                 'int size [200]'
    8 | int link[MAXN], size[MAXN];
      |                 ^~~~
timeismoney.cpp: In function 'void makehull(std::vector<int>, std::vector<int>)':
timeismoney.cpp:66:9: error: reference to 'size' is ambiguous
   66 |         size[i]=1;
      |         ^~~~
In file included from /usr/include/c++/10/string:54,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 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 timeismoney.cpp:1:
/usr/include/c++/10/bits/range_access.h:254:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  254 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/10/bits/range_access.h:245:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  245 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
timeismoney.cpp:8:17: note:                 'int size [200]'
    8 | int link[MAXN], size[MAXN];
      |                 ^~~~
timeismoney.cpp:70:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   70 |     for (int i=0; i<edges.size(); i++)
      |                   ~^~~~~~~~~~~~~
timeismoney.cpp: In function 'int main()':
timeismoney.cpp:114:9: error: reference to 'size' is ambiguous
  114 |         size[i]=1;
      |         ^~~~
In file included from /usr/include/c++/10/string:54,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 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 timeismoney.cpp:1:
/usr/include/c++/10/bits/range_access.h:254:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  254 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/10/bits/range_access.h:245:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  245 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
timeismoney.cpp:8:17: note:                 'int size [200]'
    8 | int link[MAXN], size[MAXN];
      |                 ^~~~
timeismoney.cpp:142:9: error: reference to 'size' is ambiguous
  142 |         size[i]=1;
      |         ^~~~
In file included from /usr/include/c++/10/string:54,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 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 timeismoney.cpp:1:
/usr/include/c++/10/bits/range_access.h:254:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  254 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/10/bits/range_access.h:245:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  245 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
timeismoney.cpp:8:17: note:                 'int size [200]'
    8 | int link[MAXN], size[MAXN];
      |                 ^~~~