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Submission #481963

# Submission time Handle Problem Language Result Execution time Memory
481963 2021-10-22T11:21:58 Z Lobo Boxes with souvenirs (IOI15_boxes) C++17
70 / 100
 2000 ms 401516 KB 
#include "boxes.h"
#include <bits/stdc++.h>
 
using namespace std;
 
const long long INFll = (long long) 1e18 + 10;
const int INFii = (int) 1e9 + 10;
typedef long long ll;
typedef int ii;
typedef long double dbl;
#define endl '\n'
#define sc second
#define fr first
#define mp make_pair
#define pb push_back
#define all(x) x.begin(), x.end()
 
#define maxn 10000010

ll n, kt;
ll dp1[maxn], x1[maxn];
ll dp2[maxn], x2[maxn];

long long delivery(int N, int K, int L, int p[]) {
    L--;
    n = N;
    kt = K;
    for(ii i = 1; i <= n; i++) {
        dp1[i] = dp2[i] = -1;
        x1[i] = p[i-1];
        x2[i] = L-x1[i]+1;
    }

    reverse(x2+1,x2+1+n);

    priority_queue<pair<ll,ll>, vector<pair<ll,ll>>, greater<pair<ll,ll>>> pq1;
    pq1.push(mp(0,0));
    for(ii i = 1; i <= n; i++) {
        ll ans = INFll;

        while(pq1.size() && pq1.top().sc < i-kt) pq1.pop();

        ans = pq1.top().fr;

        dp1[i] = ans + x1[i] + min(x1[i],x2[n-i+1]);

        pq1.push(mp(dp1[i],i));
    }

    priority_queue<pair<ll,ll>, vector<pair<ll,ll>>, greater<pair<ll,ll>>> pq2;
    pq2.push(mp(0,0));
    for(ii i = 1; i <= n; i++) {
        ll ans = INFll;
        
        while(pq2.size() && pq2.top().sc < i-kt) pq2.pop();

        ans = pq2.top().fr;

        dp2[i] = ans + x2[i] + min(x1[n-i+1],x2[i]);
        
        pq2.push(mp(dp2[i],i));
    }

    ll ans = INFll;
    for(ii i = 0; i <= n; i++) {
        ans = min(ans, dp1[i] + dp2[n-i]);
    }

    return ans;

}


// #include <bits/stdc++.h>
 
// using namespace std;

// const long long INFll = (long long) 1e18 + 10;
// const int INFii = (int) 1e9 + 10;
// typedef long long ll;
// typedef int ii;
// typedef long double dbl;
// #define endl '\n'
// #define sc second
// #define fr first
// #define mp make_pair
// #define pb push_back
// #define all(x) x.begin(), x.end()

// #define maxn 1100

// ll n, kt;
// ll mark1[maxn], dp1[maxn], x1[maxn];
// ll mark2[maxn], dp2[maxn], x2[maxn];

// ll sol1(ll i) {
//     if(i == 0) return 0;
//     if(dp1[i] != -1) return dp1[i];

//     ll ans = INFll;

//     for(ii j = i-1; j >= i-kt && j >= 0; j--) {
//         ans = min(ans, sol1(j));
//     }

//     return dp1[i] = ans + x1[i] + min(x1[i],x2[n-i+1]);
// }

// ll sol2(ll i) {
//     if(i == 0) return 0;
//     if(dp2[i] != -1) return dp2[i];

//     ll ans = INFll;

//     for(ii j = i-1; j >= i-kt && j >= 0; j--) {
//         ans = min(ans, sol2(j));
//     }

//     return dp2[i] = ans + x2[i] + min(x1[n-i+1],x2[i]);
// }


// int main() {
//     ios::sync_with_stdio(false); cin.tie(0);

//     //freopen("in.in", "r", stdin);
//     //freopen("out.out", "w", stdout);

//     ii N, K, L;
//     cin >> N >> K >> L;
//     vector<ii> p;
//     for(ii i = 0; i < N; i++) {
//         ii aa; cin >> aa;
//         p.pb(aa);
//     }

//     L--;
//     n = N;
//     kt = K;
//     for(ii i = 1; i <= n; i++) {
//         dp1[i] = dp2[i] = -1;
//         x1[i] = p[i-1];
//         x2[i] = L-x1[i]+1;
//     }

//     reverse(x2+1,x2+1+n);

//     ll ans = INFll;
//     for(ii i = 0; i <= n; i++) {
//         ans = min(ans, (sol1(i)) + (sol2(n-i)));
//     }

//     cout << ans << endl;

// }

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 0 ms 332 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 0 ms 332 KB Output is correct
29 Correct 0 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 0 ms 332 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 0 ms 332 KB Output is correct
29 Correct 0 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 154 ms 35708 KB Output is correct
34 Correct 152 ms 37480 KB Output is correct
35 Correct 77 ms 37992 KB Output is correct
36 Correct 189 ms 45276 KB Output is correct
37 Correct 176 ms 45276 KB Output is correct
38 Correct 170 ms 45252 KB Output is correct
39 Correct 152 ms 43956 KB Output is correct
40 Correct 173 ms 39244 KB Output is correct
41 Correct 165 ms 45252 KB Output is correct
42 Correct 158 ms 39476 KB Output is correct

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 0 ms 332 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 0 ms 332 KB Output is correct
29 Correct 0 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 154 ms 35708 KB Output is correct
34 Correct 152 ms 37480 KB Output is correct
35 Correct 77 ms 37992 KB Output is correct
36 Correct 189 ms 45276 KB Output is correct
37 Correct 176 ms 45276 KB Output is correct
38 Correct 170 ms 45252 KB Output is correct
39 Correct 152 ms 43956 KB Output is correct
40 Correct 173 ms 39244 KB Output is correct
41 Correct 165 ms 45252 KB Output is correct
42 Correct 158 ms 39476 KB Output is correct
43 Execution timed out 2103 ms 401516 KB Time limit exceeded
44 Halted 0 ms 0 KB -