Submission #1076881

#	Time	Username	Problem	Language	Result	Execution time	Memory
1076881		steveonalex	Garage (IOI09_garage)	C++17	100 / 100	1 ms	348 KiB

garage

// #include "aliens.h"
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
 
#define MASK(i) (1LL << (i))
#define GETBIT(mask, i) (((mask) >> (i)) & 1)
#define ALL(v) (v).begin(), (v).end()
#define block_of_code if(true)
 
ll max(ll a, ll b){return (a > b) ? a : b;}
ll min(ll a, ll b){return (a < b) ? a : b;}
ll gcd(ll a, ll b){return __gcd(a, b);}
ll lcm(ll a, ll b){return a / gcd(a, b) * b;}
 
ll LASTBIT(ll mask){return (mask) & (-mask);}
int pop_cnt(ll mask){return __builtin_popcountll(mask);}
int ctz(ull mask){return __builtin_ctzll(mask);}
int logOf(ull mask){return 63 - __builtin_clzll(mask);}
 
mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
ll rngesus(ll l, ll r){return l + (ull) rng() % (r - l + 1);}
double rngesus_d(double l, double r){
    double cur = rngesus(0, MASK(60) - 1);
    cur /= MASK(60) - 1;
    return l + cur * (r - l);
}
 
template <class T1, class T2>
    bool maximize(T1 &a, T2 b){
        if (a < b) {a = b; return true;}
        return false;
    }
 
template <class T1, class T2>
    bool minimize(T1 &a, T2 b){
        if (a > b) {a = b; return true;}
        return false;
    }
 
template <class T>
    void printArr(T container, string separator = " ", string finish = "\n", ostream &out = cout){
        for(auto item: container) out << item << separator;
        out << finish;
    }
 
template <class T>
    void remove_dup(vector<T> &a){
        sort(ALL(a));
        a.resize(unique(ALL(a)) - a.begin());
    }

const int N = 105, M = 2007;;
int n, m;
int r[N];
int w[M];
bool occupied[N];
int pos[M];

int main(void){
    ios::sync_with_stdio(0);cin.tie(0); cout.tie(0);
    clock_t start = clock();

    int n, m; cin >> n >> m;
    for(int i = 1; i<=n; ++i) cin >> r[i];
    for(int i = 1; i<=m; ++i) cin >> w[i];

    deque<int> qu;
    ll ans = 0;
    for(int q = 0; q < 2 * m; ++q){
        int u; cin >> u;
        if (u > 0){
            int park_slot = 0;
            for(int i = 1; i<=n; ++i) if (!occupied[i]){
                park_slot = i;
                occupied[i] = 1;
                break;
            }
            if (park_slot > 0){
                ans += r[park_slot] * w[u];
                pos[u] = park_slot;
            }
            else{
                qu.push_back(u);
            }
        }
        else{
            u = abs(u);
            occupied[pos[u]] = 0;
            if (qu.size()){
                int v = qu.front(); qu.pop_front();
                occupied[pos[u]] = 1;
                pos[v] = pos[u];
                ans += r[pos[v]] * w[v];
            }
        }
    }
    cout << ans << "\n";
 
    cerr << "Time elapsed: " << clock() - start << " ms\n";
    return 0;
}

• Subtask 1: 100 / 100