답안 #1023272

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1023272 2024-07-14T14:39:58 Z GrindMachine Long Distance Coach (JOI17_coach) C++17
71 / 100
2000 ms 15492 KB
#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) (int)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(...) 42
#endif

/*

refs:
edi

*/

const int MOD = 1e9 + 7;
const int N = 1e5 + 5;
const int inf1 = int(1e9) + 5;
const ll inf2 = ll(1e18) + 5;

void solve(int test_case)
{
    ll X,n,m,W,T; cin >> X >> n >> m >> W >> T;
    vector<ll> a(n+1); // refilling points
    rep(i,n) cin >> a[i]; 
    a[n] = X;
    n++;

    auto cmp = [&](ll x, ll y){
        return x%T < y%T;
    };

    sort(all(a),cmp);

    vector<pll> b(m+1); // passengers
    rep1(i,m) cin >> b[i].ff >> b[i].ss;
    b[0] = {0,inf2};
    sort(all(b));
    m++;

    vector<ll> dp(m,inf2); // dp[i] = min cost for [0..i] if i is the last alive guy
    dp[0] = ((X-1)/T+1)*W;
    vector<ll> dp2(m,inf2);
    dp2[0] = dp[0];

    vector<ll> mnv(m,inf2);
    rep(i,m){
        ll l = b[i].ff, r = inf2;
        if(i+1 < m) r = b[i+1].ff;
        rep(j,n){
            if(l < a[j]%T and a[j]%T < r){
                amin(mnv[i],(a[j]/T)*W);
            }
        }
    }

    vector<ll> p(m);
    rep(i,m){
        p[i] = b[i].ss;
        if(i) p[i] += p[i-1];
    }

    rep1(i,m-1){
        auto [d,c] = b[i];

        if(mnv[i-1] < inf2){
            rev(j,i-1,0){
                amin(dp[i],mnv[i-1]*(i-j-1)+dp2[j]+p[i-1]-p[j]);
            }
        }
        else{
            ll j = i-1;
            amin(dp[i],mnv[i-1]*(i-j-1)+dp2[j]+p[i-1]-p[j]);    
        }

        if(mnv[i] < inf2){
            rev(j,i-1,0){
                amin(dp2[i],mnv[i]*(i-j)+dp2[j]+p[i]-p[j]);
            }   
        }

        ll times = (X-d-1)/T+1;
        dp[i] += times*W;
        amin(dp2[i],dp[i]);
    }

    ll ans = inf2;

    rep(i,m){
        ll smn = inf2;
        ll cost = dp[i];
        ll ptr = n-1;
 
        rev(j,m-1,i+1){
            while(ptr >= 0 and a[ptr]%T > b[j].ff){
                amin(smn,a[ptr--]/T);
            }
 
            if(smn == inf2){
                cost = inf2;
                break;
            }
 
            cost += smn*W+b[j].ss;
        }
 
        amin(ans,cost);
    }

    cout << ans << endl;
}

int main()
{
    fastio;

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

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

    return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 456 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 456 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 456 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 456 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 456 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 456 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 456 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 456 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 456 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 24 ms 344 KB Output is correct
39 Correct 14 ms 604 KB Output is correct
40 Correct 14 ms 600 KB Output is correct
41 Correct 13 ms 600 KB Output is correct
42 Correct 22 ms 344 KB Output is correct
43 Correct 10 ms 348 KB Output is correct
44 Correct 15 ms 604 KB Output is correct
45 Correct 12 ms 604 KB Output is correct
46 Correct 17 ms 348 KB Output is correct
47 Correct 17 ms 464 KB Output is correct
48 Correct 12 ms 600 KB Output is correct
49 Correct 21 ms 600 KB Output is correct
50 Correct 13 ms 604 KB Output is correct
51 Correct 15 ms 604 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 456 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 456 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 456 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 24 ms 344 KB Output is correct
39 Correct 14 ms 604 KB Output is correct
40 Correct 14 ms 600 KB Output is correct
41 Correct 13 ms 600 KB Output is correct
42 Correct 22 ms 344 KB Output is correct
43 Correct 10 ms 348 KB Output is correct
44 Correct 15 ms 604 KB Output is correct
45 Correct 12 ms 604 KB Output is correct
46 Correct 17 ms 348 KB Output is correct
47 Correct 17 ms 464 KB Output is correct
48 Correct 12 ms 600 KB Output is correct
49 Correct 21 ms 600 KB Output is correct
50 Correct 13 ms 604 KB Output is correct
51 Correct 15 ms 604 KB Output is correct
52 Execution timed out 2005 ms 15492 KB Time limit exceeded
53 Halted 0 ms 0 KB -