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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#568827#9313. Make MaxYuanmy621WA 31ms4976kbC++201.8kb2024-09-16 18:44:002024-09-16 18:44:01

Judging History

你现在查看的是最新测评结果

  • [2024-09-18 15:56:24]
  • hack成功,自动添加数据
  • (/hack/836)
  • [2024-09-16 18:44:01]
  • 评测
  • 测评结果:WA
  • 用时:31ms
  • 内存:4976kb
  • [2024-09-16 18:44:00]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define int ll
#define endl '\n'
#define pii pair<int, int>
#define ar2 array<int, 2>
#define ar3 array<int, 3>
#define ve vector
#define vc vector<int>
#define pb push_back
#define pf push_front
int dx[] = {-1, 0, 1, 0};
int dy[] = {0, 1, 0, -1};
// int dx[] = {-1, 0, 1, 0, -1, 1, 1, -1};
// int dy[] = {0, 1, 0, -1, 1, 1, -1, -1};
const int llinf = 0x3f3f3f3f3f3f3f3f;
const int inf = 1e9;
const int N = 5e5 + 5;
int mod = 1e9 + 7;
int gcd(int a, int b) { return b == 0 ? a : gcd(b, a % b); }
int n, m, k;
void solve()
{
    cin >> n;
    vc a(n + 1);
    for (int i = 1; i <= n; i++)
    {
        cin >> a[i];
    }
    int ans = 0;
    stack<pii> st;
    for (int i = 1; i <= n; i++)
    {
        if (st.empty())
        {
            st.push({a[i], 1});
            continue;
        }
        if (a[i] == st.top().first)
        {
            st.top().second++;
            continue;
        }
        int cnt = 1;
        while (!st.empty() && a[i] > st.top().first)
        {
            auto [x, y] = st.top();
            st.pop();
            ans += y;
            if (st.empty())
            {
                cnt += y;
            }
            else
            {
                st.top().second += y;
            }
        }
        st.push({a[i], cnt});
    }
    while (!st.empty())
    {
        auto [x, y] = st.top();
        // cout << ": " << x << ' ' << y << endl;
        st.pop();
        if (!st.empty())
        {
            ans += y;
            st.top().second += y;
        }
    }
    cout << ans << endl;
}
signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int _ = 1;
    cin >> _;
    for (int i = 1; i <= _; i++)
    {
        solve();
    }
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3528kb

input:

4
2
1 2
2
2 2
7
1 1 1 2 2 2 2
3
1 2 3

output:

1
0
3
3

result:

ok 4 number(s): "1 0 3 3"

Test #2:

score: -100
Wrong Answer
time: 31ms
memory: 4976kb

input:

2
198018
875421126 585870339 471894633 383529988 625397685 944061047 704695631 105113224 459022561 760848605 980735314 847376362 980571959 329939331 644635272 326439858 752879510 837384394 175179068 182094523 397239381 1199016 185143405 279638454 252374970 822030887 860312140 137248166 993229443 164...

output:

2151880
2292908

result:

wrong answer 1st numbers differ - expected: '4084978', found: '2151880'