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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#692055#6443. Windblume Festivalzth#WA 96ms3652kbC++23624b2024-10-31 13:42:512024-10-31 13:42:52

Judging History

你现在查看的是最新测评结果

  • [2024-10-31 13:42:52]
  • 评测
  • 测评结果:WA
  • 用时:96ms
  • 内存:3652kb
  • [2024-10-31 13:42:51]
  • 提交

answer

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

const int N = 1e6 + 5;
int n, a[N];

void solve()
{
    cin >> n;
    for(int i = 1;i <= n;++i) cin >> a[i];
    int sum = 0;
    for(int i = 1;i <= n;++i) sum += abs(a[i]);
    int ans = -1e9;
    for(int i = 1;i <= n;++i)
    {
        int l = i, r = i % n + 1;
        int tmp = sum - abs(a[l]) - abs(a[r]);
        tmp += a[l] - a[r];
        ans = max(ans, tmp);
    }
    cout << ans << '\n';
}

signed main()
{
    cin.tie(0)->sync_with_stdio(0);
    int t = 1;
    cin >> t;
    while(t--) solve();
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3644kb

input:

5
4
1 -3 2 -4
11
91 66 73 71 32 83 72 79 84 33 93
12
91 66 73 71 32 83 72 79 84 33 33 93
13
91 66 73 71 32 83 72 79 84 33 33 33 93
1
0

output:

10
713
746
779
0

result:

ok 5 number(s): "10 713 746 779 0"

Test #2:

score: -100
Wrong Answer
time: 96ms
memory: 3652kb

input:

1000000
1
2
1
-2
1
1
1
-1
1
2
1
1
1
2
1
-2
1
-2
1
2
1
1
1
1
1
2
1
2
1
2
1
-2
1
-2
1
0
1
2
1
1
1
-1
1
0
1
-2
1
0
1
1
1
1
1
-2
1
-2
1
2
1
1
1
2
1
1
1
1
1
0
1
2
1
0
1
-1
1
-1
1
-2
1
-2
1
0
1
-2
1
0
1
1
1
-1
1
2
1
0
1
-2
1
-2
1
0
1
1
1
-1
1
-2
1
-1
1
0
1
-1
1
-1
1
-1
1
-1
1
1
1
2
1
0
1
0
1
-2
1
2
1
2
1
...

output:

-2
-2
-1
-1
-2
-1
-2
-2
-2
-2
-1
-1
-2
-2
-2
-2
-2
0
-2
-1
-1
0
-2
0
-1
-1
-2
-2
-2
-1
-2
-1
-1
0
-2
0
-1
-1
-2
-2
0
-2
0
-1
-1
-2
0
-2
-2
0
-1
-1
-2
-1
0
-1
-1
-1
-1
-1
-2
0
0
-2
-2
-2
-1
-2
-2
-1
-2
-1
-2
-2
-1
-1
0
-2
0
0
0
-1
-1
-2
-1
-1
0
-2
-1
-2
-1
-1
0
-1
-2
-2
-1
-1
0
-2
-2
-2
-1
0
-1
0
-1
...

result:

wrong answer 1st numbers differ - expected: '2', found: '-2'