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Submission #60781

# Submission time Handle Problem Language Result Execution time Memory
60781 2018-07-24T16:42:34 Z istlemin Boxes with souvenirs (IOI15_boxes) C++14
100 / 100
 1022 ms 203904 KB 
#include "boxes.h"
#include<bits/stdc++.h>

using namespace std;

#define rep(i,a,b) for(int i = a; i<int(b);++i)
#define all(v) v.begin(),v.end()
#define sz(v) v.size()
#define trav(a,c) for(auto a: c)

typedef long long ll;
typedef vector<ll> vi;
typedef pair<ll,ll> pii;


long long delivery1(int N, int K, int L, int p[]) {
	ll n = N;
	ll k = K;
	ll l = L;
    vi left;
    vi right;
	rep(i,0,n){
        if(p[i]<=l/2) left.push_back(p[i]);
        else right.push_back(l-p[i]);
	}
	sort(all(left));
	sort(all(right));

    vi costLeft(left.size()+1);
    rep(i,0,left.size()){
        if(i<k) costLeft[i+1] = left[i]*2;
        else costLeft[i+1] = left[i]*2 + costLeft[i-k+1];
    }
    vi costRight(right.size()+1);
    rep(i,0,right.size()){
        if(i<k) costRight[i+1] = right[i]*2;
        else costRight[i+1] = right[i]*2 + costRight[i-k+1];
    }

    vector<vi> costRight2(k);
    rep(i,0,costRight.size()){
        costRight2[i%k].push_back(costRight[i]);
	}

    ll best = 1e18;

    rep(i,0,costLeft.size()){
		ll jCon = (n-i)%k;
        costRight2[jCon];
        ll constant = costLeft[i] + ((n-i-jCon)/k)*l;
        rep(w,0,costRight2[jCon].size()){
			ll curr = costRight2[jCon][w]-w*l;
            best = min(best,curr + constant);
        }
    }
	return best;
}

long long delivery2(int N, int K, int L, int p[]) {
	ll n = N;
	ll k = K;
	ll l = L;
    vi left;
    vi right;
	rep(i,0,n){
        if(p[i]<=l/2) left.push_back(p[i]);
        else right.push_back(l-p[i]);
	}
	sort(all(left));
	sort(all(right));

    vi costLeft(left.size()+1);
    rep(i,0,left.size()){
        if(i<k) costLeft[i+1] = left[i]*2;
        else costLeft[i+1] = left[i]*2 + costLeft[i-k+1];
    }
    vi costRight(right.size()+1);
    rep(i,0,right.size()){
        if(i<k) costRight[i+1] = right[i]*2;
        else costRight[i+1] = right[i]*2 + costRight[i-k+1];
    }

    vi costRightMin(k);
    rep(i,0,costRight.size()){
        costRightMin[i%k] = min(costRightMin[i%k],costRight[i]-(i/k)*l);
	}
    ll best = 1e18;

    rep(i,0,costLeft.size()){
		ll jCon = (n-i)%k;
        ll constant = costLeft[i] + ((n-i-jCon)/k)*l;
		best = min(best,costRightMin[jCon] + constant);
    }
	//cout<<best<<endl;
    return best;
}


long long delivery(int N, int K, int L, int p[]) {
    if(N<=1000) return delivery1(N,K,L,p);
    else return delivery2(N,K,L,p);
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 296 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 380 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 252 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 296 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 380 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 252 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 296 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 380 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 252 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 87 ms 19952 KB Output is correct
34 Correct 75 ms 20840 KB Output is correct
35 Correct 66 ms 20436 KB Output is correct
36 Correct 86 ms 20052 KB Output is correct
37 Correct 85 ms 20080 KB Output is correct
38 Correct 89 ms 20564 KB Output is correct
39 Correct 81 ms 19984 KB Output is correct
40 Correct 65 ms 20060 KB Output is correct
41 Correct 94 ms 20056 KB Output is correct
42 Correct 65 ms 20104 KB Output is correct

Subtask #6
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 296 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 380 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 252 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 87 ms 19952 KB Output is correct
34 Correct 75 ms 20840 KB Output is correct
35 Correct 66 ms 20436 KB Output is correct
36 Correct 86 ms 20052 KB Output is correct
37 Correct 85 ms 20080 KB Output is correct
38 Correct 89 ms 20564 KB Output is correct
39 Correct 81 ms 19984 KB Output is correct
40 Correct 65 ms 20060 KB Output is correct
41 Correct 94 ms 20056 KB Output is correct
42 Correct 65 ms 20104 KB Output is correct
43 Correct 922 ms 203904 KB Output is correct
44 Correct 703 ms 200088 KB Output is correct
45 Correct 693 ms 196180 KB Output is correct
46 Correct 1022 ms 199992 KB Output is correct
47 Correct 837 ms 197700 KB Output is correct
48 Correct 872 ms 196152 KB Output is correct
49 Correct 921 ms 203860 KB Output is correct
50 Correct 732 ms 199900 KB Output is correct
51 Correct 970 ms 198316 KB Output is correct
52 Correct 760 ms 199184 KB Output is correct