Submission #54514

#	Time	Username	Problem	Language	Result	Execution time	Memory
54514		updown1	Garage (IOI09_garage)	C++17	100 / 100	3 ms	832 KiB

garage

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define For(i, a, b) for(int i=a; i<b; i++)
#define ffi For(i, 0, N)
#define ffj For(j, 0, M)
#define ffa ffi ffj
#define s <<" "<<
#define w cout
#define e "\n"
#define pb push_back
#define mp make_pair
#define a first
#define b second
#define int ll
const int MAXN=100, MAXM=2000, INF=1000000000000000000;
///500,000,000
int N, M, R[MAXN], W[MAXM], spot[MAXM], out;
priority_queue<int> open;
queue<int> next1;

main() {
    //ifstream cin("test.in");
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> N >> M;
    ffi cin >> R[i];
    ffj cin >> W[j];
    ffi open.push(-i);
    For (j, 0, 2*M) {
        int act; cin >> act;
        if (act < 0) {
            act *= -1;
            act--;
            open.push(-spot[act]);
            if (!next1.empty()) {
                int act = next1.front();
                next1.pop();
                int take = -open.top();
                open.pop();
                out += W[act]*R[take];
                spot[act] = take;
            }
        }
        else {
            act--;
            if (!open.empty()) {
                int take = -open.top();
                open.pop();
                out += W[act]*R[take];
                spot[act] = take;
            }
            else next1.push(act);
        }
    }
    w<< out<<e;
}

Compilation message (stderr)

garage.cpp:22:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^

• Subtask 1: 100 / 100