Submission #724991

#	Time	Username	Problem	Language	Result	Execution time	Memory
724991		stevancv	Garage (IOI09_garage)	C++14	100 / 100	2 ms	340 KiB

garage

#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define sp ' '
#define en '\n'
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
using namespace std;
const int N = 1e3 + 2;
const int inf = 1e9;
int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n, m;
    cin >> n >> m;
    vector<int> a(n), b(m);
    for (int i = 0; i < n; i++) cin >> a[i];
    for (int i = 0; i < m; i++) cin >> b[i];
    set<int> s;
    for (int i = 0; i < n; i++) s.insert(i);
    queue<int> q;
    vector<int> in(m, -1);
    for (int z = 0; z < 2 * m; z++) {
        int j; cin >> j;
        if (j < 0) j = -j;
        j -= 1;
        if (in[j] == -1) {
            if (!s.empty()) {
                int i = *s.begin();
                s.erase(i);
                in[j] = i;
            }
            else q.push(j);
        }
        else {
            if (!q.empty()) {
                int jj = q.front();
                in[jj] = in[j];
                q.pop();
            }
            else s.insert(in[j]);
        }
    }
    int ans = 0;
    for (int i = 0; i < m; i++) ans += a[in[i]] * b[i];
    cout << ans << en;
    return 0;
}

• Subtask 1: 100 / 100