Submission #549690

#	Time	Username	Problem	Language	Result	Execution time	Memory
549690		krit3379	Travelling Merchant (APIO17_merchant)	C++17	Compilation error	0 ms	0 KiB

merchant

#include<bits/stdc++.h>
using namespace std;
#define N 105
#define inf 1000000000000000000

long long dis[N][N],diss[N][N],b[N][1005],s[N][1005],p[N][N];

int main(){
    int n,m,item,i,j,k,u,v,l,r,mid;
    long long w;
    scanf("%d %d %d",&n,&m,&item);
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++)dis[i][j]=inf;
        for(j=1;j<=item;j++)scanf("%lld %lld",&b[i][j],&s[i][j]);
    }
    for(i=1;i<=m;i++){
        scanf("%d %d %lld",&u,&v,&w);
        dis[u][v]=w;
    }
    for(k=1;k<=n;k++)for(i=1;i<=n;i++)for(j=1;j<=n;j++){
        dis[i][j]=min(dis[i][j],dis[i][k]+dis[k][j]);
    }
    for(i=1;i<=n;i++)for(j=1;j<=n;j++)for(k=1;k<=item;k++){
        if(b[i][k]!=-1&&s[j][k]!=-1)p[i][j]=max(p[i][j],s[j][k]-b[i][k]);
    }
    l=1,r=1e9;
    while(l<=r){
        mid=(l+r)/2;
        for(i=1;i<=n;i++)for(j=1;j<=n;j++)diss[i][j]=mid*min(dis[i][j],inf/mid)-p[i][j];
        for(k=1;k<=n;k++)for(i=1;i<=n;i++)for(j=1;j<=n;j++){
            diss[i][j]=min(diss[i][j],diss[i][k]+diss[k][j]);
        }
        for(i=1;i<=n;i++)if(diss[i][i]<=0)break;
        if(i<=n)l=mid+1;
        else r=mid-1;
    }
    printf("%d",r);
    return 0;
}

Compilation message (stderr)

merchant.cpp: In function 'int main()':
merchant.cpp:29:79: error: no matching function for call to 'min(long long int&, long int)'
   29 |         for(i=1;i<=n;i++)for(j=1;j<=n;j++)diss[i][j]=mid*min(dis[i][j],inf/mid)-p[i][j];
      |                                                                               ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from merchant.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:
merchant.cpp:29:79: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'long int')
   29 |         for(i=1;i<=n;i++)for(j=1;j<=n;j++)diss[i][j]=mid*min(dis[i][j],inf/mid)-p[i][j];
      |                                                                               ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from merchant.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:
merchant.cpp:29:79: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'long int')
   29 |         for(i=1;i<=n;i++)for(j=1;j<=n;j++)diss[i][j]=mid*min(dis[i][j],inf/mid)-p[i][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 merchant.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:
merchant.cpp:29:79: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   29 |         for(i=1;i<=n;i++)for(j=1;j<=n;j++)diss[i][j]=mid*min(dis[i][j],inf/mid)-p[i][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 merchant.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:
merchant.cpp:29:79: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   29 |         for(i=1;i<=n;i++)for(j=1;j<=n;j++)diss[i][j]=mid*min(dis[i][j],inf/mid)-p[i][j];
      |                                                                               ^
merchant.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |     scanf("%d %d %d",&n,&m,&item);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
merchant.cpp:14:34: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |         for(j=1;j<=item;j++)scanf("%lld %lld",&b[i][j],&s[i][j]);
      |                             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
merchant.cpp:17:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |         scanf("%d %d %lld",&u,&v,&w);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~