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QOJ
| ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
|---|---|---|---|---|---|---|---|---|---|
| #692055 | #6443. Windblume Festival | zth# | WA | 96ms | 3652kb | C++23 | 624b | 2024-10-31 13:42:51 | 2024-10-31 13:42:52 |
Judging History
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;
}
详细
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'