QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#536465#5750. SiteswapUESTC_DECAYALI#WA 1ms3620kbC++201.3kb2024-08-29 13:28:102024-08-29 13:28:11

Judging History

This is the latest submission verdict.

  • [2024-08-29 13:28:11]
  • Judged
  • Verdict: WA
  • Time: 1ms
  • Memory: 3620kb
  • [2024-08-29 13:28:10]
  • Submitted

answer

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

const int N = 1e5+5;
int n, A[N];
bool vis[N];

void solve(){
    cin >> n;
    for (int i=0; i<n; ++i) cin >> A[i], vis[i]=false;
    int ans[3] = {0, 0, 0};

    for (int i=0; i<n; ++i) if (!vis[i]){
        if (0==A[i]){
            vis[i]=true; 
            continue;
        }

        if (A[i]%n==0){
            int res = A[i]/n;
            if (n%2==0) ans[i%2] += res;
            else{
                ans[i%2] += (res+1)/2;
                ans[(i+1)%2] += res/2;
            }
            continue;
        }

        int loops = 0;
        bool odd = false;
        int cur = i;
        while (!vis[cur]){
            int res = (cur+A[cur])/n;
            loops += res;
            if (A[cur]%2==1) odd=true;
            vis[cur]=true;
            cur = (cur+A[cur])%n;
        }

        if (!odd){
            // printf("n%2=%lld\n", n %2);
            if (n%2==0) ans[i%2] += loops;
            else{
                ans[i%2] += (loops+1)/2;
                ans[(i+1)%2] += loops/2;
            }
        }else ans[2] += loops;
    }

    cout << ans[0] << ' ' << ans[1] << ' ' << ans[2] << '\n';
}

signed main(){
    ios::sync_with_stdio(0); cin.tie(0);
    int t; cin >> t; while (t--) solve();
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3576kb

input:

3
3
1 5 0
6
4 6 4 0 4 0
2
6 4

output:

0 0 2
2 1 0
3 2 0

result:

ok 9 numbers

Test #2:

score: 0
Accepted
time: 0ms
memory: 3580kb

input:

100
10
94 8 4 52 7 53 16 96 29 1
10
23 35 96 34 86 39 16 72 63 96
10
51 2 46 21 15 31 41 28 42 83
10
75 67 64 88 46 98 3 17 14 98
10
24 77 54 48 16 37 23 88 99 84
10
52 93 44 87 84 80 37 22 73 28
10
35 80 96 60 75 19 100 63 54 88
10
38 49 63 68 29 67 3 57 68 48
10
89 57 51 21 61 16 100 73 99 83
10
6...

output:

2 0 34
0 0 56
0 0 36
0 0 57
4 0 51
0 13 47
25 14 28
0 0 49
10 0 55
0 0 30
9 0 48
0 0 48
15 11 22
0 7 34
9 0 39
4 7 26
9 0 56
6 10 49
6 5 32
0 0 45
7 4 44
8 0 46
7 4 60
24 19 0
0 0 57
0 13 28
9 1 37
0 0 58
7 0 38
0 0 40
6 6 21
3 9 31
3 10 51
7 9 28
19 10 39
0 3 51
22 8 29
0 8 40
7 0 51
0 0 40
0 16 45...

result:

ok 300 numbers

Test #3:

score: -100
Wrong Answer
time: 1ms
memory: 3620kb

input:

100
54
386 856 526 874 268 682 718 686 344 116 412 25 82 99 203 496 2 949 757 584 713 137 518 782 485 769 852 483 906 918 152 211 561 355 527 591 585 506 57 49 929 767 317 287 475 186 267 199 227 390 124 373 309 444
85
491 676 471 547 85 660 974 510 349 341 89 557 936 180 632 919 810 887 498 426 644...

output:

0 17 437
17 16 484
0 0 559
4 2 413
0 7 490
1 2 509
0 0 424
0 0 514
0 38 386
1 0 473
39 38 590
7 8 506
22 0 490
0 41 472
0 0 580
4 3 519
0 0 441
0 55 423
0 0 467
20 21 518
0 0 517
0 0 565
1 2 483
0 0 492
0 0 495
84 84 393
2 6 437
47 54 302
0 16 510
21 0 482
110 110 302
3 31 334
30 0 355
54 81 367
31 ...

result:

wrong answer 4th numbers differ - expected: '16', found: '17'