oj.uz

Submission #648542

# Submission time Handle Problem Language Result Execution time Memory
648542 2022-10-07T00:19:50 Z ghostwriter Garage (IOI09_garage) C++14
100 / 100
 3 ms 460 KB 
#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include <debug.h>
#else
#define debug(...)
#endif
#define ft front
#define bk back
#define st first
#define nd second
#define ins insert
#define ers erase
#define pb push_back
#define pf push_front
#define _pb pop_back
#define _pf pop_front
#define lb lower_bound
#define ub upper_bound
#define mtp make_tuple
#define bg begin
#define ed end
#define all(x) (x).bg(), (x).ed()
#define sz(x) (int)(x).size()
typedef long long ll; typedef unsigned long long ull;
typedef double db; typedef long double ldb;
typedef pair<int, int> pi; typedef pair<ll, ll> pll;
typedef vector<int> vi; typedef vector<ll> vll; typedef vector<pi> vpi; typedef vector<pll> vpll;
typedef string str;
template<typename T> T gcd(T a, T b) { return (b == 0? a : gcd(b, a % b)); }
template<typename T> T lcm(T a, T b) { return a / gcd(a, b) * b; }
#define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
#define FOS(i, r, l) for (int (i) = (r); (i) >= (l); --(i))
#define FRN(i, n) for (int (i) = 0; (i) < (n); ++(i))
#define FSN(i, n) for (int (i) = (n) - 1; (i) >= 0; --(i))
#define EACH(i, x) for (auto &(i) : (x))
#define WHILE while
#define file "TEST"
mt19937 rd(chrono::steady_clock::now().time_since_epoch().count());
ll rand(ll l, ll r) { return uniform_int_distribution<ll>(l, r)(rd); }
/*
----------------------------------------------------------------
    END OF TEMPLATE
----------------------------------------------------------------
    Tran The Bao - ghostwriter
    Training for VOI23 gold medal
----------------------------------------------------------------
    DIT ME CHUYEN BAO LOC
----------------------------------------------------------------
*/
const int N = 102;
const int M = 2002;
int n, m, c[N], r[N], w[M], rs = 0;
queue<int> q;
signed main() {
    ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    // freopen(file".inp", "r", stdin);
    // freopen(file".out", "w", stdout);
    cin >> n >> m;
    FOR(i, 1, n) cin >> r[i];
    FOR(i, 1, m) cin >> w[i];
    m <<= 1;
    WHILE(m--) {
    	int i;
    	cin >> i;
    	bool neg = (i < 0);
    	i = abs(i);
    	if (neg) {
    		FOR(j, 1, n)
    			if (c[j] == i)
    				c[j] = 0;
    	}
    	else q.push(i);
    	int pos = 0;
    	FOS(j, n, 1)
    		if (!c[j])
    			pos = j;
    	WHILE(pos && !q.empty()) {
    		int cur = q.ft();
    		q.pop();
    		rs += w[cur] * r[pos];
    		c[pos] = cur;
    		pos = 0;
    		FOS(j, n, 1)
    			if (!c[j])
    				pos = j;
    	}
    }
    cout << rs;
    return 0;
}
/*
----------------------------------------------------------------
From Benq:
    stuff you should look for
        * int overflow, array bounds
        * special cases (n=1?)
        * do smth instead of nothing and stay organized
        * WRITE STUFF DOWN
        * DON'T GET STUCK ON ONE APPROACH
----------------------------------------------------------------
*/

Compilation message

garage.cpp: In function 'int main()':
garage.cpp:32:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   32 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
garage.cpp:60:5: note: in expansion of macro 'FOR'
   60 |     FOR(i, 1, n) cin >> r[i];
      |     ^~~
garage.cpp:32:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   32 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
garage.cpp:61:5: note: in expansion of macro 'FOR'
   61 |     FOR(i, 1, m) cin >> w[i];
      |     ^~~
garage.cpp:32:31: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
   32 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
garage.cpp:69:7: note: in expansion of macro 'FOR'
   69 |       FOR(j, 1, n)
      |       ^~~
garage.cpp:33:31: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
   33 | #define FOS(i, r, l) for (int (i) = (r); (i) >= (l); --(i))
      |                               ^
garage.cpp:75:6: note: in expansion of macro 'FOS'
   75 |      FOS(j, n, 1)
      |      ^~~
garage.cpp:33:31: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
   33 | #define FOS(i, r, l) for (int (i) = (r); (i) >= (l); --(i))
      |                               ^
garage.cpp:84:7: note: in expansion of macro 'FOS'
   84 |       FOS(j, n, 1)
      |       ^~~

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 2 ms 340 KB Output is correct
19 Correct 2 ms 340 KB Output is correct
20 Correct 3 ms 460 KB Output is correct