oj.uz

Submission #964641

# Submission time Handle Problem Language Result Execution time Memory
964641 2024-04-17T08:58:06 Z efedmrlr Semiexpress (JOI17_semiexpress) C++17
100 / 100
 12 ms 6212 KB 
// #pragma GCC optimize("O3,Ofast,unroll-loops")
// #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#include <bits/stdc++.h>

using namespace std;


#define int long long int
#define MP make_pair
#define pb push_back
#define REP(i,n) for(int i = 0; (i) < (n); (i)++)
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()


void fastio() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
}


const double EPS = 0.00001;
const int INF = 1e9+500;
const int N = 3e5+5;
const int ALPH = 26;
const int LGN = 25;
constexpr int MOD = 1e9+7;
int n,m,K;
int A, B, C;
int t;
vector<int> s;
inline void solve() {
    cin >> n >> m >> K;
    cin >> A >> B >> C;
    cin >> t;
    s.resize(m);
    REP(i,m) cin >> s[i];
    vector<int> semi;
    int ans = 0;
    K = K - m;
    if((n - 1) * B <= t) ans++;
    for(int i = 0; i<m - 1; i++) {
        int cost = (s[i] - 1) * B;
        if(cost > t) break;
        int ran = s[i] + (t - cost) / A;
        ran = min(ran, s[i + 1] - 1);
        ans += ran - s[i] + 1;
        // cout << "s:" << s[i] << " " << ran << "\n";
        // cout << "ans:" << ans << "\n";
        int st = s[i];
        for(int j = 1; j <= K; j++) {
            if(ran + 1 >= s[i + 1]) break;
            ran++;
            cost = (s[i] - 1) * B + (ran - s[i]) * C;
            if(cost > t) break;
            st = ran;
            ran += (t - cost) / A;
            ran = min(ran, s[i + 1] - 1);
            // cout << "st:" << st << " ran:" << ran << "\n";

            semi.pb(ran - st + 1);
        }
    }
    sort(rall(semi));
    for(int i = 0; i < min((int)semi.size(), K); i++) {
        ans += semi[i];
    }
    cout << ans - 1 << "\n";
}
 
signed main() {

    fastio();
    int test = 1;
    //cin>>test;
    while(test--) {
        solve();
    }
    
}

Subtask #1
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 460 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 452 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 460 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 452 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 500 KB Output is correct
10 Correct 1 ms 388 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 452 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct

Subtask #3
52.0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 460 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 452 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 500 KB Output is correct
10 Correct 1 ms 388 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 452 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 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 468 KB Output is correct
21 Correct 1 ms 600 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 12 ms 5912 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 9 ms 6212 KB Output is correct
30 Correct 6 ms 2520 KB Output is correct