Submission #1042886

# Submission time Handle Problem Language Result Execution time Memory
1042886 2024-08-03T14:02:07 Z kwongweng Longest Trip (IOI23_longesttrip) C++17
85 / 100
10 ms 708 KB
#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef long double ld;
typedef vector<vector<ll>> vll;
#define FOR(i, a, b) for(int i = a; i < b; i++)
#define ROF(i, a, b) for(int i = a; i >= b; i--)
#define pb push_back
#define ms memset
#define fi first
#define se second

vi longest_trip(int N, int D)
{
    vector<vi> CC;
    FOR(i,0,N) CC.pb({i});
    while (CC.size() > 2){
        int sz = CC.size(), s0 = CC[0].size(), s1 = CC[1].size(), sn = CC[sz-1].size();
        if (are_connected({CC[sz-1][0]}, {CC[0][s0-1]})){
            FOR(i,0,sn){
                CC[0].pb(CC[sz-1][i]);
            }
            CC.pop_back(); continue;
        }
        if (are_connected({CC[sz-1][0]}, {CC[1][s1-1]})){
            FOR(i,0,sn){
                CC[1].pb(CC[sz-1][i]);
            }
            CC.pop_back(); continue;
        }
        ROF(i,s1-1,0){
            CC[0].pb(CC[1][i]);
        }
        FOR(i,1,sz-1){
            CC[i]=CC[i+1];
        }
        CC.pop_back();
    }
    int s0 = CC[0].size(), s1 = CC[1].size();
    if (are_connected(CC[0], CC[1])){
        if (are_connected({CC[0][0]}, {CC[1][0]})){
            reverse(CC[0].begin(), CC[0].end());
            FOR(i,0,s1) CC[0].pb(CC[1][i]);
            return CC[0];
        }
        if (are_connected({CC[0][0]}, {CC[1][s1-1]})){
            reverse(CC[0].begin(), CC[0].end());
            reverse(CC[1].begin(), CC[1].end());
            FOR(i,0,s1) CC[0].pb(CC[1][i]);
            return CC[0];
        }
        if (are_connected({CC[0][s0-1]}, {CC[1][0]})){
            FOR(i,0,s1) CC[0].pb(CC[1][i]);
            return CC[0];
        }
        if (are_connected({CC[0][s0-1]}, {CC[1][s1-1]})){
            reverse(CC[1].begin(), CC[1].end());
            FOR(i,0,s1) CC[0].pb(CC[1][i]);
            return CC[0];
        }
        int l = 0, r = s0;
        while (r-l>1){
            int mid = (l+r)/2;
            vi A; FOR(i,0,mid) A.pb(CC[0][i]);
            if (are_connected(A, CC[1])){
                r = mid;
            }else{
                l = mid;
            }
        }
        int a = l; l=0; r=s1;
        while (r-l>1){
            int mid = (l+r)/2;
            vi A; FOR(i,0,mid) A.pb(CC[1][i]);
            if (are_connected({CC[0][a]}, A)){
                r=mid;
            }else{
                l=mid;
            }
        }
        vi ans;
        FOR(i,a+1,a+s0+1) ans.pb(CC[0][i%s0]);
        FOR(i,l,l+s1) ans.pb(CC[1][i%s1]);
        return ans;
    }
    if (CC[0].size()>CC[1].size()) return CC[0];
    return CC[1];
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 6 ms 344 KB Output is correct
2 Correct 6 ms 344 KB Output is correct
3 Correct 7 ms 344 KB Output is correct
4 Correct 5 ms 344 KB Output is correct
5 Correct 8 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 10 ms 344 KB Output is correct
2 Correct 5 ms 344 KB Output is correct
3 Correct 4 ms 344 KB Output is correct
4 Correct 4 ms 344 KB Output is correct
5 Correct 6 ms 600 KB Output is correct
6 Correct 7 ms 344 KB Output is correct
7 Correct 5 ms 344 KB Output is correct
8 Correct 4 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 6 ms 344 KB Output is correct
11 Correct 4 ms 344 KB Output is correct
12 Correct 7 ms 344 KB Output is correct
13 Correct 3 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 6 ms 344 KB Output is correct
2 Correct 7 ms 344 KB Output is correct
3 Correct 7 ms 344 KB Output is correct
4 Correct 4 ms 344 KB Output is correct
5 Correct 3 ms 344 KB Output is correct
6 Correct 7 ms 344 KB Output is correct
7 Correct 5 ms 344 KB Output is correct
8 Correct 9 ms 344 KB Output is correct
9 Correct 6 ms 344 KB Output is correct
10 Correct 4 ms 344 KB Output is correct
11 Correct 5 ms 344 KB Output is correct
12 Correct 4 ms 344 KB Output is correct
13 Correct 6 ms 448 KB Output is correct
14 Correct 5 ms 344 KB Output is correct
15 Correct 7 ms 344 KB Output is correct
16 Correct 7 ms 340 KB Output is correct
17 Correct 6 ms 344 KB Output is correct
18 Correct 6 ms 348 KB Output is correct
19 Correct 5 ms 440 KB Output is correct
20 Correct 5 ms 344 KB Output is correct
21 Correct 8 ms 344 KB Output is correct
22 Correct 8 ms 344 KB Output is correct
23 Correct 7 ms 452 KB Output is correct
24 Correct 7 ms 344 KB Output is correct
25 Correct 6 ms 344 KB Output is correct
26 Correct 8 ms 344 KB Output is correct
27 Correct 6 ms 344 KB Output is correct
28 Correct 7 ms 344 KB Output is correct
29 Correct 6 ms 344 KB Output is correct
30 Correct 6 ms 344 KB Output is correct
31 Correct 5 ms 344 KB Output is correct
32 Correct 7 ms 344 KB Output is correct
33 Correct 5 ms 444 KB Output is correct
34 Correct 7 ms 444 KB Output is correct
35 Correct 6 ms 344 KB Output is correct
36 Correct 6 ms 344 KB Output is correct
37 Correct 4 ms 344 KB Output is correct
38 Correct 5 ms 456 KB Output is correct
39 Correct 6 ms 344 KB Output is correct
40 Correct 7 ms 340 KB Output is correct
41 Correct 9 ms 344 KB Output is correct
42 Correct 6 ms 344 KB Output is correct
43 Correct 7 ms 344 KB Output is correct
44 Correct 6 ms 344 KB Output is correct
45 Correct 7 ms 344 KB Output is correct
46 Correct 9 ms 344 KB Output is correct
47 Correct 6 ms 344 KB Output is correct
48 Correct 5 ms 344 KB Output is correct
49 Correct 7 ms 344 KB Output is correct
50 Correct 6 ms 344 KB Output is correct
51 Correct 6 ms 344 KB Output is correct
52 Correct 8 ms 600 KB Output is correct
53 Correct 6 ms 356 KB Output is correct
54 Correct 5 ms 344 KB Output is correct
55 Correct 9 ms 344 KB Output is correct
56 Correct 6 ms 344 KB Output is correct
57 Correct 8 ms 708 KB Output is correct
58 Correct 7 ms 344 KB Output is correct
59 Correct 6 ms 344 KB Output is correct
60 Correct 7 ms 452 KB Output is correct
61 Correct 7 ms 452 KB Output is correct
62 Correct 7 ms 600 KB Output is correct
63 Correct 7 ms 452 KB Output is correct
64 Correct 5 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 344 KB Output is correct
2 Correct 7 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 4 ms 448 KB Output is correct
6 Correct 7 ms 344 KB Output is correct
7 Correct 8 ms 348 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 5 ms 344 KB Output is correct
10 Correct 3 ms 348 KB Output is correct
11 Correct 4 ms 348 KB Output is correct
12 Correct 4 ms 348 KB Output is correct
13 Correct 6 ms 460 KB Output is correct
14 Correct 5 ms 348 KB Output is correct
15 Correct 6 ms 348 KB Output is correct
16 Correct 5 ms 352 KB Output is correct
17 Correct 5 ms 356 KB Output is correct
18 Correct 6 ms 352 KB Output is correct
19 Correct 5 ms 356 KB Output is correct
20 Correct 7 ms 348 KB Output is correct
21 Correct 6 ms 352 KB Output is correct
22 Correct 5 ms 356 KB Output is correct
23 Correct 6 ms 356 KB Output is correct
24 Correct 6 ms 352 KB Output is correct
25 Correct 7 ms 352 KB Output is correct
26 Correct 6 ms 344 KB Output is correct
27 Correct 5 ms 344 KB Output is correct
28 Correct 7 ms 344 KB Output is correct
29 Correct 6 ms 352 KB Output is correct
30 Correct 6 ms 356 KB Output is correct
31 Correct 5 ms 344 KB Output is correct
32 Correct 5 ms 348 KB Output is correct
33 Correct 7 ms 356 KB Output is correct
34 Correct 7 ms 344 KB Output is correct
35 Correct 7 ms 344 KB Output is correct
36 Correct 7 ms 344 KB Output is correct
37 Correct 6 ms 344 KB Output is correct
38 Correct 6 ms 340 KB Output is correct
39 Correct 7 ms 344 KB Output is correct
40 Correct 6 ms 344 KB Output is correct
41 Correct 5 ms 444 KB Output is correct
42 Correct 6 ms 344 KB Output is correct
43 Correct 7 ms 452 KB Output is correct
44 Correct 6 ms 344 KB Output is correct
45 Correct 7 ms 600 KB Output is correct
46 Correct 5 ms 344 KB Output is correct
47 Partially correct 6 ms 344 KB Output is partially correct
48 Correct 5 ms 344 KB Output is correct
49 Correct 7 ms 448 KB Output is correct
50 Correct 6 ms 344 KB Output is correct
51 Partially correct 9 ms 452 KB Output is partially correct
52 Correct 7 ms 600 KB Output is correct
53 Correct 6 ms 344 KB Output is correct
54 Correct 6 ms 344 KB Output is correct
55 Correct 6 ms 344 KB Output is correct
56 Correct 5 ms 344 KB Output is correct
57 Partially correct 6 ms 344 KB Output is partially correct
58 Partially correct 8 ms 344 KB Output is partially correct
59 Partially correct 9 ms 456 KB Output is partially correct
60 Correct 7 ms 344 KB Output is correct
61 Correct 6 ms 344 KB Output is correct
62 Partially correct 7 ms 344 KB Output is partially correct
63 Partially correct 8 ms 600 KB Output is partially correct
64 Partially correct 8 ms 452 KB Output is partially correct
65 Partially correct 8 ms 460 KB Output is partially correct
66 Partially correct 7 ms 344 KB Output is partially correct
67 Partially correct 7 ms 344 KB Output is partially correct
68 Partially correct 10 ms 600 KB Output is partially correct
69 Partially correct 7 ms 452 KB Output is partially correct
70 Partially correct 9 ms 600 KB Output is partially correct
71 Correct 5 ms 452 KB Output is correct
72 Partially correct 6 ms 344 KB Output is partially correct
73 Partially correct 7 ms 344 KB Output is partially correct
74 Partially correct 5 ms 344 KB Output is partially correct
75 Partially correct 7 ms 452 KB Output is partially correct
76 Partially correct 7 ms 344 KB Output is partially correct
77 Correct 6 ms 344 KB Output is correct
78 Partially correct 9 ms 344 KB Output is partially correct
79 Correct 7 ms 344 KB Output is correct
80 Partially correct 8 ms 456 KB Output is partially correct
81 Partially correct 10 ms 344 KB Output is partially correct
82 Partially correct 7 ms 344 KB Output is partially correct