Submission #1038609

#	Time	Username	Problem	Language	Result	Execution time	Memory
1038609		eysbutno	Finding Routers (IOI20_routers)	C++17	Compilation error	0 ms	0 KiB

routers

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = array<int, 2>;
#define all(x) begin(x), end(x)
#define sz(x) (int) (x).size()

int[] find_routers(int l, int n, int q) {
    int res[n];
    res[0] = 0;
    for (int i = 1; i < n; i++) {
        int lo = res[i - 1] + 1, hi = l - 1;
        while (lo < hi) {
            int mi = (lo + hi + 1) / 2;
            use_detector(mi) == i - 1 ? lo = mi : hi = mi - 1;
        }
        res[i] = res[i - 1] + 2 * (lo - res[i - 1]);
    }
    return res;
}

Compilation message (stderr)

routers.cpp:8:4: error: structured binding declaration cannot have type 'int'
    8 | int[] find_routers(int l, int n, int q) {
      |    ^~
routers.cpp:8:4: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
routers.cpp:8:4: error: empty structured binding declaration
routers.cpp:8:7: error: expected initializer before 'find_routers'
    8 | int[] find_routers(int l, int n, int q) {
      |       ^~~~~~~~~~~~