제출 #1174957

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1174957		vahagng	Garage (IOI09_garage)	C++20	100 / 100	1 ms	328 KiB

garage

//----------vahagng----------//
#define _CRT_SECURE_NO_WARNINGS
#include <bits/stdc++.h>
// #include <ext/pb_ds/assoc_container.hpp>
using namespace std;
// using namespace __gnu_pbds;
 
// template <class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
 
#ifndef ONLINE_JUDGE
#define dbg(x) cerr << #x <<" "; print(x); cerr << endl;
#else
#define dbg(x)
#endif
 
void print(long long t) {cerr << t;}
void print(int t) {cerr << t;}
void print(string t) {cerr << t;}
void print(char t) {cerr << t;}
void print(double t) {cerr << t;}
void print(long double t) {cerr << t;}
void print(unsigned long long t) {cerr << t;}
 
template <class T, class V> void print(pair <T, V> p);
template <class T> void print(vector <T> v);
template <class T> void print(set <T> v);
template <class T, class V> void print(map <T, V> v);
template <class T> void print(multiset <T> v);
template <class T, class V> void print(T v[],V n) {cerr << "["; for(int i = 0; i < n; i++) {cerr << v[i] << " ";} cerr << "]";}
template <class T, class V> void print(pair <T, V> p) {cerr << "{"; print(p.first); cerr << ","; print(p.second); cerr << "}";}
template <class T> void print(vector <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(set <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(multiset <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T, class V> void print(map <T, V> v) {cerr << "[ "; for (auto i : v) {print(i); cerr << " ";} cerr << "]";}
 
#define ll long long
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
#define ld long double
#define sz(v) v.size()
#define endl '\n'
 
const ll inf = 1e18, mod = 1e9+7, mod2=998244353, inf32 = 2e9;
 
void SetIO(string str = "") {
    if (str != "") {
        freopen((str + ".in").c_str(), "r", stdin);
        freopen((str + ".out").c_str(), "w", stdout);
    } else {
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout);
    }
}
 
void FastIO(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
}

const int N = 2e5+10;

ll n, m, a[N], r[N], park[N];

queue<int>p;
priority_queue<int, vector<int>, greater<int>>q;

void solve(int tc){
    cin >> n >> m;
    for(int i = 1; i <= n; i++){
        cin >> r[i];
    }
    for(int j = 1; j <= m; j++){
        cin >> a[j];
    }
    for(int i = 1; i <= n; i++){
        q.push(i);
    }
    for(int i = 1; i <= m; i++) park[i] = -1;
    ll ans = 0;
    for(int it = 0; it < 2*m; it++){
        int c;
        cin >> c;
        if(c < 0){
            q.push(park[-c]);
            park[-c] = -1;
        }else{
            if(!p.empty()) p.push(c);
            else{
                if(q.empty()) p.push(c);
                else{
                    ans += r[q.top()]*a[c];
                    park[c] = q.top();
                    q.pop();
                }
            }
        }
        while(!q.empty() && !p.empty()){
            auto x = q.top();
            q.pop();
            auto car = p.front();
            p.pop();
            ans += r[x]*a[car];
            park[car] = x;
        }
    }
    cout << ans << endl;
}
 
void precalc(){
    
}
 
int main() {
    // SetIO("closing");
    FastIO();
    int test_case = 1;
    // cin >> test_case;
    precalc();
    int cnt = 1;
    while (test_case--){
      solve(cnt++);
    }
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

garage.cpp: In function 'void SetIO(std::string)':
garage.cpp:47:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   47 |         freopen((str + ".in").c_str(), "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
garage.cpp:48:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   48 |         freopen((str + ".out").c_str(), "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
garage.cpp:50:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   50 |         freopen("input.txt", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
garage.cpp:51:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |         freopen("output.txt", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 100 / 100