oj.uz

답안 #807150

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
807150 2023-08-04T14:11:30 Z GrindMachine 별자리 3 (JOI20_constellation3) C++17
14 / 100
 48 ms 3788 KB 
// Om Namah Shivaya

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

template<typename T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long int ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define pb push_back
#define endl '\n'
#define sz(a) a.size()
#define setbits(x) __builtin_popcountll(x)
#define ff first
#define ss second
#define conts continue
#define ceil2(x, y) ((x + y - 1) / (y))
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define yes cout << "Yes" << endl
#define no cout << "No" << endl

#define rep(i, n) for(int i = 0; i < n; ++i)
#define rep1(i, n) for(int i = 1; i <= n; ++i)
#define rev(i, s, e) for(int i = s; i >= e; --i)
#define trav(i, a) for(auto &i : a)

template<typename T>
void amin(T &a, T b) {
    a = min(a, b);
}

template<typename T>
void amax(T &a, T b) {
    a = max(a, b);
}

#ifdef LOCAL
#include "debug.h"
#else
#define debug(x) 42
#endif

/*



*/

const int MOD = 1e9 + 7;
const int N = 300 + 5;
const int inf1 = int(1e9) + 5;
const ll inf2 = ll(1e18) + 5;

ll n,m;
vector<ll> a(N);
vector<array<ll,3>> b(N);
map<array<ll,3>,ll> dp;

ll go(ll l, ll r, ll k){
    if(l > r) return 0;

    if(l == r){
        ll mxc = 0;
        rep1(i,m){
            auto [x,y,c] = b[i];
            if(x == l and y <= k){
                amax(mxc,c);
            }
        }
        return mxc;
    }

    array<ll,3> key = {l,r,k};
    if(dp.count(key)) return dp[key];

    pll mx = {-1,-1};
    for(int i = l; i <= r; ++i){
        pll px = {a[i],i};
        amax(mx,px);
    }
        
    auto [val,ind] = mx;
    
    ll ans = go(l,ind-1,k) + go(ind+1,r,val);
    amax(ans,go(l,ind-1,val) + go(ind+1,r,k));

    ll best = 0;
    rep1(i,m){
        auto [x,y,c] = b[i];
        if(x == ind and y <= k){
            amax(best,c);
        }
    }

    amax(ans, best + go(l,ind-1,val) + go(ind+1,r,val));

    return dp[key] = ans;
}

void solve(int test_case)
{
    cin >> n;
    rep1(i,n) cin >> a[i];
    cin >> m;
    rep1(i,m) rep(j,3) cin >> b[i][j];

    ll sum = 0;
    rep1(i,m) sum += b[i][2];

    ll ans = sum-go(1,n,n);
    cout << ans << endl;
}

int main()
{
    fastio;

    int t = 1;
    // cin >> t;

    rep1(i, t) {
        solve(i);
    }

    return 0;
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 23 ms 1908 KB Output is correct
11 Correct 16 ms 1420 KB Output is correct
12 Correct 13 ms 1096 KB Output is correct
13 Correct 10 ms 1008 KB Output is correct
14 Correct 3 ms 468 KB Output is correct
15 Correct 4 ms 596 KB Output is correct
16 Correct 38 ms 3788 KB Output is correct
17 Correct 3 ms 468 KB Output is correct
18 Correct 23 ms 2088 KB Output is correct
19 Correct 2 ms 340 KB Output is correct
20 Correct 2 ms 340 KB Output is correct
21 Correct 22 ms 2060 KB Output is correct
22 Correct 2 ms 468 KB Output is correct

Subtask #2
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 23 ms 1908 KB Output is correct
11 Correct 16 ms 1420 KB Output is correct
12 Correct 13 ms 1096 KB Output is correct
13 Correct 10 ms 1008 KB Output is correct
14 Correct 3 ms 468 KB Output is correct
15 Correct 4 ms 596 KB Output is correct
16 Correct 38 ms 3788 KB Output is correct
17 Correct 3 ms 468 KB Output is correct
18 Correct 23 ms 2088 KB Output is correct
19 Correct 2 ms 340 KB Output is correct
20 Correct 2 ms 340 KB Output is correct
21 Correct 22 ms 2060 KB Output is correct
22 Correct 2 ms 468 KB Output is correct
23 Runtime error 48 ms 2608 KB Execution killed with signal 6
24 Halted 0 ms 0 KB -

Subtask #3
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 23 ms 1908 KB Output is correct
11 Correct 16 ms 1420 KB Output is correct
12 Correct 13 ms 1096 KB Output is correct
13 Correct 10 ms 1008 KB Output is correct
14 Correct 3 ms 468 KB Output is correct
15 Correct 4 ms 596 KB Output is correct
16 Correct 38 ms 3788 KB Output is correct
17 Correct 3 ms 468 KB Output is correct
18 Correct 23 ms 2088 KB Output is correct
19 Correct 2 ms 340 KB Output is correct
20 Correct 2 ms 340 KB Output is correct
21 Correct 22 ms 2060 KB Output is correct
22 Correct 2 ms 468 KB Output is correct
23 Runtime error 48 ms 2608 KB Execution killed with signal 6
24 Halted 0 ms 0 KB -