Submission #1284825

#	Time	Username	Problem	Language	Result	Execution time	Memory
1284825		Muhammad_Aneeq	Island Hopping (JOI24_island)	C++20	Compilation error	0 ms	0 KiB

island

#include "island.h"
#include "iostream"
using namespace std;
void solve(int N, int L) 
{
    vector<int>z;
    vector<pair<int,int>>ed;
    int P[N+10]={0};
    P[N]=-1;
    bool vis[N+10]={};
    int g=query(N,1);
    P[g]=N;
    ed.push_back({N,g});
    int y=query(g,1);
    vis[N]=1;
    if (y!=N)
    {
        ed.push_back({y,g});
        P[y]=g;
        vis[g]=1;
        z.push_back(y);
        for (auto i:z)
        {
            vis[i]=1;
            int f=query(i,1);
            if (f==P[i])
            {
                f=query(i,2);
                if (vis[f])
                    break;
            }
            ed.push_back({i,f});
            P[f]=i;
            z.push_back(f);
        }
    }
    y=query(N,2);
    if(!vis[y])
    {
        z={};
        ed.push_back({y,N});
        P[y]=N;
        vis[N]=1;
        z.push_back(y);
        for (auto i:z)
        {
            vis[i]=1;
            int f=query(i,1);
            if (f==P[i])
            {
                f=query(i,2);
                if (vis[f])
                    break;
            }
            ed.push_back({i,f});
            P[f]=i;
            z.push_back(f);
        }
    }
    for (auto [i,j]:ed)
        answer(i,j);
}

Compilation message (stderr)

island.cpp: In function 'void solve(int, int)':
island.cpp:6:5: error: 'vector' was not declared in this scope
    6 |     vector<int>z;
      |     ^~~~~~
island.cpp:3:1: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'?
    2 | #include "iostream"
  +++ |+#include <vector>
    3 | using namespace std;
island.cpp:6:12: error: expected primary-expression before 'int'
    6 |     vector<int>z;
      |            ^~~
island.cpp:7:24: error: expected primary-expression before '>' token
    7 |     vector<pair<int,int>>ed;
      |                        ^~
island.cpp:7:26: error: 'ed' was not declared in this scope
    7 |     vector<pair<int,int>>ed;
      |                          ^~
island.cpp:21:9: error: 'z' was not declared in this scope
   21 |         z.push_back(y);
      |         ^
island.cpp:40:9: error: 'z' was not declared in this scope
   40 |         z={};
      |         ^