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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#568013#9313. Make MaxTD0210WA 193ms20364kbC++231.8kb2024-09-16 14:57:292024-09-16 14:57:31

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 14:57:31]
  • 评测
  • 测评结果:WA
  • 用时:193ms
  • 内存:20364kb
  • [2024-09-16 14:57:29]
  • 提交

answer

//子序列:不连续
//子串:连续
#include <bits/stdc++.h>
#define ll long long
#define INF LLONG_MAX

using namespace std;

const int N = 2e5 + 1000;
const int mod = 1e9 + 7;

int dx[4] = { -1,1,0,0 }, dy[4] = { 0,0,-1,1 };
struct edge
{
};

ll dp[32];

void solve()
{
    ll n;
    cin >> n;
    vector<ll> num(n + 1, 0), ans1(n + 1, 0), ans2(n + 1, 0);

    for (int i = 1;i <= n;i++) {
        cin >> num[i];
    }

    stack<ll> stk;

    for (int i = 1;i <= n;i++) {
        while (stk.size() && num[i] > num[stk.top()]) {
            ans1[i] += ans1[stk.top()] + 1;
            stk.pop();
        }
        stk.push(i);
    }

    while (stk.size())stk.pop();

    for (int i = n;i >= 1;i--) {
        while (stk.size() && num[i] > num[stk.top()]) {
            ans2[i] += ans2[stk.top()] + 1;
            stk.pop();
        }
        stk.push(i);
    }

    ll ans = 0;
    map<ll, ll> vis;
    for (int i = 1;i <= n;i++) {
        ans += ans1[i];
    }
    for (int i = n;i >= 1;i--) {
        if (!vis.count(num[i]))ans += ans2[i], vis[num[i]] = 0;
        else vis[num[i]] = 1;
    }
    cout << ans << '\n';


    // ll n;
    // cin >> n;

    // vector<ll> dp(n + 2, 0);
    // vector<vector<ll>> num(n + 1, vector<ll>(n + 1, 0));

    // for (int i = 1;i <= n;i++) {
    //     for (int j = 1;j <= i;j++) {
    //         cin >> num[i][j];
    //     }
    // }

    // for (int i = n;i >= 1;i--) {
    //     for (int j = 1;j <= i;j++) {
    //         dp[j] = max(dp[j], dp[j + 1]) + num[i][j];
    //     }
    // }
    // cout << dp[1] << '\n';
}

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    ll tc = 1;
    cin >> tc;
    while (tc--)solve();
    return 0;
}


Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3556kb

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: 193ms
memory: 20364kb

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:

4084937
4130362

result:

wrong answer 1st numbers differ - expected: '4084978', found: '4084937'