Submission #528257

#	Time	Username	Problem	Language	Result	Execution time	Memory
528257		happypotato	Art Exhibition (JOI18_art)	C++17	Compilation error	0 ms	0 KiB

art

#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
const int mxN = 2e5 + 1;
int seg[4 * mxN];
int n;
void update(int tar, int l = 0, int r = n * 4 - 1, int idx = 1) {
    if (l == r) {
        seg[idx] ^= 1;
        return;
    }
    int mid = (l + r) >> 1;
    if (tar <= mid) update(tar, l, mid, (idx << 1));
    else update(tar, mid + 1, r, (idx << 1) + 1);
    seg[idx] = seg[(idx << 1)] + seg[(idx << 1) + 1];
    return;
}
int query(int tarl, int tarr, int l = 0, int r = n * 4 - 1, int idx = 1) {
    if (tarl <= l && r <= tarr) return seg[idx];
    else if (tarr < l || r < tarl) return 0;
    int mid = (l + r) >> 1;
    return query(tarl, min(tarr, mid), l, mid, (idx << 1)) + query(max(tarl, mid + 1), tarr, mid + 1, r, (idx << 1) + 1);
}
long long count_swaps(vector<int> s) {
    n = s.size() / 2;
    queue<int> q[n + 1];
    for (int i = 0; i < n * 2; i++) {
        if (s[i] < 0) q[-s[i]].push(i * 2 + 1);
    }
    for (int i = 0; i < n * 2; i++) update(2 * i + 1);
    long long ans = 0;
    for (int i = 0; i < n * 2; i++) {
        if (s[i] < 0) continue;
        int tar = q[s[i]].front(); q[s[i]].pop();
        ans += query(i * 2 + 1, tar - 1);
        update(tar);
        update(i * 2);
    }
    return ans;
}

Compilation message (stderr)

art.cpp:1:10: fatal error: shoes.h: No such file or directory
    1 | #include "shoes.h"
      |          ^~~~~~~~~
compilation terminated.