Submission #1193730

#	Time	Username	Problem	Language	Result	Execution time	Memory
1193730		omarrrr	City Mapping (NOI18_citymapping)	C++20	Compilation error	0 ms	0 KiB

citymapping

#include "citymapping.h"


#define ll long long
#define F first
#define Ss second
#define pb push_back

using namespace std;
ll m[1001][1001],linkk[1005];
bool vis[1001];





void find_roads(int n, int Q, int A[], int B[], int W[]) {
    vector<pair<ll,pair<ll,ll>>>v;

    ll link[n+65];
    for(ll i=1;i<=n;i++){
        for(ll j=i+1;j<=n;j++){
            ll d=get_distance(i,j);
            v.pb({get_distance(i,j),{i,j}});
            m[i][j]=m[j][i]=d;
        }
        link[i]=0;
    }
    sort(v.begin(),v.end());
    ll cnt=0,i=0;
    while(cnt<n-1){
        if(link[v[i].Ss.F]<3 && link[v[i].Ss.Ss]<3){
            link[v[i].Ss.F]++;
            link[v[i].Ss.Ss]++;
            A[cnt]=v[i].Ss.F;
            B[cnt]=v[i].Ss.Ss;
            W[cnt]=v[i].F;
            cnt++;
        }
        i++;
    }
   // cout<<cnt<<"\n";


    return;
}

Compilation message (stderr)

citymapping.cpp: In function 'void find_roads(int, int, int*, int*, int*)':
citymapping.cpp:18:20: error: 'pair' was not declared in this scope
   18 |     vector<pair<ll,pair<ll,ll>>>v;
      |                    ^~~~
citymapping.cpp:2:1: note: 'std::pair' is defined in header '<utility>'; did you forget to '#include <utility>'?
    1 | #include "citymapping.h"
  +++ |+#include <utility>
    2 | 
citymapping.cpp:18:5: error: 'vector' was not declared in this scope
   18 |     vector<pair<ll,pair<ll,ll>>>v;
      |     ^~~~~~
citymapping.cpp:2:1: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'?
    1 | #include "citymapping.h"
  +++ |+#include <vector>
    2 | 
citymapping.cpp:4:12: error: expected primary-expression before 'long'
    4 | #define ll long long
      |            ^~~~
citymapping.cpp:18:17: note: in expansion of macro 'll'
   18 |     vector<pair<ll,pair<ll,ll>>>v;
      |                 ^~
citymapping.cpp:24:13: error: 'v' was not declared in this scope
   24 |             v.pb({get_distance(i,j),{i,j}});
      |             ^
citymapping.cpp:29:10: error: 'v' was not declared in this scope
   29 |     sort(v.begin(),v.end());
      |          ^
citymapping.cpp:29:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   29 |     sort(v.begin(),v.end());
      |     ^~~~
      |     short