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Submission #1008033

# Submission time Handle Problem Language Result Execution time Memory
1008033 2024-06-26T06:27:01 Z Mardonbekhazratov Boxes with souvenirs (IOI15_boxes) C++17
100 / 100
 441 ms 293844 KB 
#include "boxes.h"
#include<bits/stdc++.h>
#define ll long long
using namespace std;

const ll INFLL=1e18;

long long delivery(int N, int K, int L, int p[]) {
    if(K==1){
        ll ans=0;
        for(int i=0;i<N;i++) ans+=min(p[i],L-p[i])*2;
        return ans;
    }
    if(K==N){
        ll ans=L;
        for(int i=0;i<N;i++){
            ans=min(ans,2ll*p[i-1]+(L-p[i])*2);
        }
        ans=min(ans,2LL*min({L-p[0],p[N-1]}));
        return ans;
    }
    vector<ll>pref(N+1),suff(N+2);
    pref[0]=suff[N+1]=0;
    ll sl=0,sr=0;
    for(int i=0;i<N;i++){
        pref[i+1]=min(L,2*p[i]);
        suff[N-i]=min(L,2*(L-p[N-i-1]));
        if(i>=K) pref[i+1]+=pref[i-K+1],suff[N-i]+=suff[N-i+K];
    }
    ll ans=INFLL;
    for(int i=1;i<=N+1;i++){
        ans=min(ans,pref[i-1]+suff[i]);
    }
    return ans;
}

Compilation message

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:24:8: warning: unused variable 'sl' [-Wunused-variable]
   24 |     ll sl=0,sr=0;
      |        ^~
boxes.cpp:24:13: warning: unused variable 'sr' [-Wunused-variable]
   24 |     ll sl=0,sr=0;
      |             ^~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 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

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 600 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 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 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 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 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 600 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 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 0 ms 348 KB Output is correct
32 Correct 1 ms 432 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 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 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 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 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 600 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 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 0 ms 348 KB Output is correct
32 Correct 1 ms 432 KB Output is correct
33 Correct 46 ms 29560 KB Output is correct
34 Correct 14 ms 21848 KB Output is correct
35 Correct 16 ms 22236 KB Output is correct
36 Correct 41 ms 29520 KB Output is correct
37 Correct 40 ms 29524 KB Output is correct
38 Correct 42 ms 29524 KB Output is correct
39 Correct 39 ms 28060 KB Output is correct
40 Correct 19 ms 23548 KB Output is correct
41 Correct 40 ms 29612 KB Output is correct
42 Correct 23 ms 23900 KB Output is correct

Subtask #6
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 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 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 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 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 600 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 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 0 ms 348 KB Output is correct
32 Correct 1 ms 432 KB Output is correct
33 Correct 46 ms 29560 KB Output is correct
34 Correct 14 ms 21848 KB Output is correct
35 Correct 16 ms 22236 KB Output is correct
36 Correct 41 ms 29520 KB Output is correct
37 Correct 40 ms 29524 KB Output is correct
38 Correct 42 ms 29524 KB Output is correct
39 Correct 39 ms 28060 KB Output is correct
40 Correct 19 ms 23548 KB Output is correct
41 Correct 40 ms 29612 KB Output is correct
42 Correct 23 ms 23900 KB Output is correct
43 Correct 425 ms 292616 KB Output is correct
44 Correct 170 ms 215888 KB Output is correct
45 Correct 174 ms 223420 KB Output is correct
46 Correct 438 ms 293776 KB Output is correct
47 Correct 437 ms 293548 KB Output is correct
48 Correct 441 ms 293356 KB Output is correct
49 Correct 381 ms 278688 KB Output is correct
50 Correct 211 ms 232256 KB Output is correct
51 Correct 427 ms 293844 KB Output is correct
52 Correct 214 ms 234964 KB Output is correct