Submission #1203101

#	Time	Username	Problem	Language	Result	Execution time	Memory
1203101		moha1111	Finding Routers (IOI20_routers)	C++20	Compilation error	0 ms	0 KiB

routers

#include "routers.h"
#include "bits/stdc++.h"
using namespace std;

unordered_map<int , int> askd;

int ask(int i)
{
    if(askd.find(i) != askd.end())
        return askd[i];
    
    return askd[i] = use_detector(i);
}

int[] find_routers(int l, int n, int q)
{
    vector<int> ans;
    ans.push_back(0);
    while(ans.size() < n)
    {
        int st = 0 , en = l , i;
        while(st <= en)
        {
            int mid = (st + en) / 2;
            if(ans.size() - 1 < ask(mid))
                en = mid - 1;
            
            else
                st = mid + 1 , i = mid;
        }
        ans.push_back(2 * i - ans.back());
    }
    return ans;
}

Compilation message (stderr)

routers.cpp:15:4: error: structured binding declaration cannot have type 'int'
   15 | int[] find_routers(int l, int n, int q)
      |    ^~
routers.cpp:15:4: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
routers.cpp:15:4: error: empty structured binding declaration
routers.cpp:15:7: error: expected initializer before 'find_routers'
   15 | int[] find_routers(int l, int n, int q)
      |       ^~~~~~~~~~~~