Submission #752884

#	Time	Username	Problem	Language	Result	Execution time	Memory
752884		bgnbvnbv	The Kingdom of JOIOI (JOI17_joioi)	C++14	Compilation error	0 ms	0 KiB

joioi

#include<bits/stdc++.h>
#define TASKNAME "codeforce"
#define pb push_back
#define pli pair<int,int>
#define fi first
#define se second
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL);
using namespace std;
using ll=long long;
const ll maxN=4e6+10;
const ll inf=1e18;
const ll mod=1e9+7;

ll n,m;
ll ans=inf;
ll a[2006][2006],b[2006][2006],mx=-inf,mn=inf;
bool check(ll mid)
{
    ll mxr=0;
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=m;j++)
        {
            if(b[i][j]<mx-mid) mxr=max(mxr,j);
        }
        for(int j=1;j<=mxr;j++)
        {
            if(b[i][j]-mn>mid) return false;
        }
    }
    return true;
}
ll solve1()
{
    ll low=0,high=mx-mn-1;
    while(low<=high)
    {
        ll mid=low+high>>1;
        if(check(mid)) high=mid-1;
        else low=mid+1;
    }
    return low;
}
void rot()
{
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=m;j++)
        {
            b[m-j+1][i]=a[i][j];
        }
    }
    swap(m,n);
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=m;j++) a[i][j]=b[i][j];
    }
}
void solve()
{
    cin >> n >> m;
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=m;j++) cin >> a[i][j],b[i][j]=a[i][j],mx=max(mx,a[i][j]),mn=min(mn,a[i][j]);
    }
    ans=min(ans,solve1());
    rot();
    ans=min(ans,solve1());
    rot();
    ans=min(ans,solve1());
    rot();
    ans=min(ans,solve1());
    cout << ans;
}
int main()
{
    fastio
    //freopen(TASKNAME".INP","r",stdin);
    //freopen(TASKNAME".OUT","w",stdout);
    solve();
}

Compilation message (stderr)

joioi.cpp: In function 'bool check(ll)':
joioi.cpp:24:45: error: no matching function for call to 'max(ll&, int&)'
   24 |             if(b[i][j]<mx-mid) mxr=max(mxr,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 joioi.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:
joioi.cpp:24:45: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   24 |             if(b[i][j]<mx-mid) mxr=max(mxr,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 joioi.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:
joioi.cpp:24:45: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   24 |             if(b[i][j]<mx-mid) mxr=max(mxr,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 joioi.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:
joioi.cpp:24:45: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   24 |             if(b[i][j]<mx-mid) mxr=max(mxr,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 joioi.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:
joioi.cpp:24:45: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   24 |             if(b[i][j]<mx-mid) mxr=max(mxr,j);
      |                                             ^
joioi.cpp: In function 'll solve1()':
joioi.cpp:38:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   38 |         ll mid=low+high>>1;
      |                ~~~^~~~~