Submission #1079284

#	Time	Username	Problem	Language	Result	Execution time	Memory
1079284		Mike_Vu	Matching (CEOI11_mat)	C++14	0 / 100	2074 ms	860 KiB

mat

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef double dou;
#define pii pair<int, int>
#define pb push_back
#define fi first
#define se second

bool maximize(ll &x, ll y ){
    if (x < y) {x = y; return true;};
    return false;
}
bool minimize(ll &x, ll y){
    if (x > y) {x = y; return true;}
    return false;
}

const int maxn = 20005;
int n, m, s[maxn], a[maxn];

bool check(int id ){
    --id;
    for (int i = id+2; i <= id+n+1; i++) {
        for (int j = id+1; j < i; j++) {
            if ((s[i-id]<s[j-id]&&a[i]>a[j])||(s[i-id]>s[j-id]&&a[i]<a[j])) return 0;
        }
    }
    return 1;
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin >> n >> m;
    for (int i = 1; i <= n; i++) {
        int x;
        cin >> x;
        s[x] = i;
    }
    for (int i = 1; i <= m ;i++) {
        cin >> a[i];
    }
    vector<int> ans;
    for (int i = 1; i <= m; i++) {
        if (check(i)) ans.pb(i);
    }
    cout << ans.size() << "\n";
    for (int x : ans) {
        cout << x << ' ';
    }
}

• Subtask 1: 0 / 9
• Subtask 2: 0 / 9
• Subtask 3: 0 / 9
• Subtask 4: 0 / 9
• Subtask 5: 0 / 9
• Subtask 6: 0 / 9
• Subtask 7: 0 / 9
• Subtask 8: 0 / 9
• Subtask 9: 0 / 8
• Subtask 10: 0 / 10
• Subtask 11: 0 / 10