oj.uz

Submission #948916

# Submission time Handle Problem Language Result Execution time Memory
948916 2024-03-18T16:26:38 Z kim Longest Trip (IOI23_longesttrip) C++17
100 / 100
 11 ms 860 KB 
#include "longesttrip.h"
#include<bits/stdc++.h>
using namespace std;
#define eb emplace_back
#define sz(x) (int)(x).size()

#define ask are_connected

std::vector<int> longest_trip(int N, int D)
{
    vector<int> v1,v2;
    v1.eb(0), v2.eb(1);
    int cur=1;
    for(int i=2;i<N;++i){
        if(ask({v1.back()},{i})) v1.eb(i), cur=i;
        else if(cur!=i-1||ask({v2.back()},{i})) v2.eb(i);
        else{
            while(sz(v2)) v1.eb(v2.back()), v2.pop_back();
            v2.eb(i);
            cur=i;
        }
    }
    if(!ask(v1,v2)) return sz(v1)>sz(v2)?v1:v2;
    if(ask({v1.back()},{v2.back()})){
        for(int i=sz(v2)-1;i>=0;--i) v1.eb(v2[i]);
        return v1;
    }
    if(ask({v1.front()},{v2.back()})){
        for(auto &e:v1) v2.eb(e);
        return v2;
    }
    if(ask({v1.back()},{v2.front()})){
        for(auto &e:v2) v1.eb(e);
        return v1;
    }
    int p1,p2;
    vector<int> tmp;
    {
        int l=0,r=sz(v1)-1;
        while(l<r){
            int mid=l+r>>1;
            tmp.clear();
            for(int i=0;i<=mid;++i) tmp.eb(v1[i]);
            if(ask(tmp,v2)) r=mid;
            else l=mid+1;
        }
        p1=l;
    }{
        int l=0,r=sz(v2)-1;
        while(l<r){
            int mid=l+r>>1;
            tmp.clear();
            for(int i=0;i<=mid;++i) tmp.eb(v2[i]);
            if(ask(tmp,{v1[p1]})) r=mid;
            else l=mid+1;
        }
        p2=l;
    }
    tmp.clear();
    for(int i=p1+1;i<sz(v1);++i) tmp.eb(v1[i]);
    for(int i=0;i<=p1;++i) tmp.eb(v1[i]);
    for(int i=p2;i<sz(v2);++i) tmp.eb(v2[i]);
    for(int i=0;i<p2;++i) tmp.eb(v2[i]);
    return tmp;
}
/*
2
5 1
1
1 1
0 0 1
0 0 0 1
4 1
1
0 0
0 0 1
*/

Compilation message

longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:41:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   41 |             int mid=l+r>>1;
      |                     ~^~
longesttrip.cpp:51:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   51 |             int mid=l+r>>1;
      |                     ~^~

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 596 KB Output is correct
2 Correct 1 ms 344 KB Output is correct

Subtask #1
5.0 / 5.0

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

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 344 KB Output is correct
2 Correct 6 ms 344 KB Output is correct
3 Correct 5 ms 344 KB Output is correct
4 Correct 4 ms 344 KB Output is correct
5 Correct 4 ms 600 KB Output is correct
6 Correct 8 ms 344 KB Output is correct
7 Correct 5 ms 344 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 5 ms 436 KB Output is correct
10 Correct 5 ms 600 KB Output is correct
11 Correct 5 ms 344 KB Output is correct
12 Correct 5 ms 344 KB Output is correct
13 Correct 5 ms 344 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 344 KB Output is correct
2 Correct 6 ms 344 KB Output is correct
3 Correct 5 ms 344 KB Output is correct
4 Correct 6 ms 344 KB Output is correct
5 Correct 5 ms 344 KB Output is correct
6 Correct 8 ms 340 KB Output is correct
7 Correct 6 ms 344 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 5 ms 600 KB Output is correct
10 Correct 4 ms 344 KB Output is correct
11 Correct 5 ms 344 KB Output is correct
12 Correct 6 ms 344 KB Output is correct
13 Correct 5 ms 344 KB Output is correct
14 Correct 6 ms 344 KB Output is correct
15 Correct 6 ms 344 KB Output is correct
16 Correct 9 ms 344 KB Output is correct
17 Correct 6 ms 344 KB Output is correct
18 Correct 7 ms 344 KB Output is correct
19 Correct 5 ms 436 KB Output is correct
20 Correct 6 ms 344 KB Output is correct
21 Correct 6 ms 344 KB Output is correct
22 Correct 6 ms 432 KB Output is correct
23 Correct 5 ms 600 KB Output is correct
24 Correct 6 ms 440 KB Output is correct
25 Correct 7 ms 344 KB Output is correct
26 Correct 7 ms 344 KB Output is correct
27 Correct 5 ms 344 KB Output is correct
28 Correct 6 ms 340 KB Output is correct
29 Correct 5 ms 344 KB Output is correct
30 Correct 5 ms 344 KB Output is correct
31 Correct 5 ms 344 KB Output is correct
32 Correct 6 ms 344 KB Output is correct
33 Correct 4 ms 344 KB Output is correct
34 Correct 5 ms 344 KB Output is correct
35 Correct 5 ms 344 KB Output is correct
36 Correct 5 ms 344 KB Output is correct
37 Correct 5 ms 344 KB Output is correct
38 Correct 5 ms 344 KB Output is correct
39 Correct 6 ms 852 KB Output is correct
40 Correct 6 ms 344 KB Output is correct
41 Correct 5 ms 344 KB Output is correct
42 Correct 5 ms 344 KB Output is correct
43 Correct 6 ms 344 KB Output is correct
44 Correct 5 ms 344 KB Output is correct
45 Correct 9 ms 344 KB Output is correct
46 Correct 9 ms 344 KB Output is correct
47 Correct 11 ms 344 KB Output is correct
48 Correct 9 ms 344 KB Output is correct
49 Correct 11 ms 344 KB Output is correct
50 Correct 6 ms 436 KB Output is correct
51 Correct 9 ms 440 KB Output is correct
52 Correct 7 ms 344 KB Output is correct
53 Correct 6 ms 600 KB Output is correct
54 Correct 6 ms 600 KB Output is correct
55 Correct 6 ms 600 KB Output is correct
56 Correct 5 ms 440 KB Output is correct
57 Correct 5 ms 444 KB Output is correct
58 Correct 7 ms 440 KB Output is correct
59 Correct 7 ms 696 KB Output is correct
60 Correct 7 ms 440 KB Output is correct
61 Correct 6 ms 440 KB Output is correct
62 Correct 8 ms 436 KB Output is correct
63 Correct 7 ms 600 KB Output is correct
64 Correct 6 ms 692 KB Output is correct

Subtask #4
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 344 KB Output is correct
2 Correct 6 ms 344 KB Output is correct
3 Correct 4 ms 596 KB Output is correct
4 Correct 5 ms 344 KB Output is correct
5 Correct 5 ms 344 KB Output is correct
6 Correct 10 ms 344 KB Output is correct
7 Correct 8 ms 344 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 5 ms 600 KB Output is correct
10 Correct 5 ms 600 KB Output is correct
11 Correct 5 ms 344 KB Output is correct
12 Correct 5 ms 344 KB Output is correct
13 Correct 5 ms 600 KB Output is correct
14 Correct 6 ms 344 KB Output is correct
15 Correct 7 ms 344 KB Output is correct
16 Correct 10 ms 344 KB Output is correct
17 Correct 6 ms 344 KB Output is correct
18 Correct 6 ms 344 KB Output is correct
19 Correct 7 ms 440 KB Output is correct
20 Correct 8 ms 600 KB Output is correct
21 Correct 6 ms 344 KB Output is correct
22 Correct 7 ms 344 KB Output is correct
23 Correct 6 ms 344 KB Output is correct
24 Correct 5 ms 344 KB Output is correct
25 Correct 6 ms 344 KB Output is correct
26 Correct 5 ms 344 KB Output is correct
27 Correct 7 ms 344 KB Output is correct
28 Correct 6 ms 344 KB Output is correct
29 Correct 5 ms 344 KB Output is correct
30 Correct 5 ms 344 KB Output is correct
31 Correct 6 ms 344 KB Output is correct
32 Correct 9 ms 348 KB Output is correct
33 Correct 11 ms 344 KB Output is correct
34 Correct 7 ms 344 KB Output is correct
35 Correct 7 ms 344 KB Output is correct
36 Correct 8 ms 344 KB Output is correct
37 Correct 6 ms 432 KB Output is correct
38 Correct 8 ms 452 KB Output is correct
39 Correct 7 ms 344 KB Output is correct
40 Correct 5 ms 344 KB Output is correct
41 Correct 6 ms 344 KB Output is correct
42 Correct 6 ms 344 KB Output is correct
43 Correct 5 ms 344 KB Output is correct
44 Correct 5 ms 344 KB Output is correct
45 Correct 5 ms 604 KB Output is correct
46 Correct 7 ms 436 KB Output is correct
47 Correct 4 ms 600 KB Output is correct
48 Correct 5 ms 344 KB Output is correct
49 Correct 6 ms 600 KB Output is correct
50 Correct 6 ms 600 KB Output is correct
51 Correct 7 ms 344 KB Output is correct
52 Correct 6 ms 344 KB Output is correct
53 Correct 6 ms 344 KB Output is correct
54 Correct 7 ms 344 KB Output is correct
55 Correct 5 ms 600 KB Output is correct
56 Correct 5 ms 600 KB Output is correct
57 Correct 5 ms 344 KB Output is correct
58 Correct 5 ms 596 KB Output is correct
59 Correct 5 ms 600 KB Output is correct
60 Correct 7 ms 344 KB Output is correct
61 Correct 6 ms 600 KB Output is correct
62 Correct 5 ms 604 KB Output is correct
63 Correct 5 ms 444 KB Output is correct
64 Correct 7 ms 604 KB Output is correct
65 Correct 7 ms 860 KB Output is correct
66 Correct 9 ms 856 KB Output is correct
67 Correct 7 ms 600 KB Output is correct
68 Correct 6 ms 436 KB Output is correct
69 Correct 8 ms 600 KB Output is correct
70 Correct 8 ms 692 KB Output is correct
71 Correct 5 ms 604 KB Output is correct
72 Correct 6 ms 444 KB Output is correct
73 Correct 7 ms 604 KB Output is correct
74 Correct 6 ms 600 KB Output is correct
75 Correct 7 ms 612 KB Output is correct
76 Correct 6 ms 444 KB Output is correct
77 Correct 5 ms 452 KB Output is correct
78 Correct 6 ms 860 KB Output is correct
79 Correct 6 ms 440 KB Output is correct
80 Correct 6 ms 440 KB Output is correct
81 Correct 6 ms 436 KB Output is correct
82 Correct 6 ms 440 KB Output is correct