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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#585842#9313. Make Maxzwu2021016337WA 28ms5980kbC++202.2kb2024-09-23 22:21:022024-09-23 22:21:03

Judging History

你现在查看的是最新测评结果

  • [2024-09-23 22:21:03]
  • 评测
  • 测评结果:WA
  • 用时:28ms
  • 内存:5980kb
  • [2024-09-23 22:21:02]
  • 提交

answer

#include <bits/stdc++.h> // By Lucky Ox
#define int long long
#define endl "\n"
#define pii pair<int, int>
#define PI atan(1.0) * 4
using namespace std;
using i128 = __int128;
typedef unsigned long long ull;
const long long mod = 1000000000000002493, INF = 0x3f3f3f3f3f3f3f3f;
int P(int x, int p){ return (x % p + p) % p; }
int lcm(int x, int y) { return x / gcd(x, y) * y; }
int gcd(int a, int b) { return b == 0 ? a : gcd(b, a % b); }
int len_10(int x) { int len = 0; while(x) { x /= 10; len ++ ; } return len; }
int q_pow(int a, int k, int p) { int res = 1; while (k) { if (k & 1) res = res * a % p; k >>= 1; a = a * a % p; } return res; }
int to_int(string s) { int val = 0; for(int i = 0; i < (int)s.size(); i ++ ){val *= 10; val += s[i] - '0';}return val;}//注意:s是空串也会返回0
i128 read() { i128 x = 0; char c = getchar(); while (c < '0' || c > '9') c = getchar(); while (c >= '0' && c <= '9') {
x = x * 10 + c - '0'; c = getchar(); } return x; } //i128输入
void print(i128 x) {if(x > 9) print(x / 10); putchar(x % 10 + '0'); }//i128输出
//用__lg()来求一个数二进制下的位数 返回的len 表示这个数是[0, 1, ...., len] 比如10 __lg(10) = 3, 1010 [3, 2, 1, 0]
//__builtin_popcountll(int x) 求二进制下x中1的数量 __buitlin_ctzll(int x) 求二进制下末尾0的个数
//(n & (1 << i))的值可能会是1, 2, 4...... (n >> i) & 1的值一定是1

const int N = 2e5 + 10;
int n;
int a[N], f[N];
void solve() {
    cin >> n;
    for(int i = 1; i <= n; i ++ ) cin >> a[i];

    int ans = 0;
    vector<int> stk;
    int maxn = 0;
    for(int i = 1; i <= n; i ++ ) {
        while(!stk.empty() && a[stk.back()] < a[i]) stk.pop_back();

        if(a[i] > maxn) {
            ans += i - 1;
            maxn = a[i];
        }
        else if(a[i] == maxn) {
            stk.pop_back();
        }
        else {
            if(a[stk.back()] == a[i]) ans += stk.size() - 1;
            else ans += stk.size() + (i - stk.back() - 1);
        }
        stk.push_back(i);
    }
    cout << ans << endl;
}

signed main() {
    ios::sync_with_stdio(0);cin.tie(0);
    cout << fixed << setprecision(10);
    int T = 1;
    cin >> T;
    while (T -- ) solve();
    return 0;
}
/*
1
10
7 8 6 4 3 7 2 3 5 1
*/

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3856kb

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: 0
Accepted
time: 28ms
memory: 5980kb

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:

4084978
4130372

result:

ok 2 number(s): "4084978 4130372"

Test #3:

score: -100
Wrong Answer
time: 21ms
memory: 5100kb

input:

2
195768
3086 1582 7854 5577 5243 2734 8054 4805 5686 7065 5555 2410 6240 7589 2889 3745 8094 9147 9438 1252 5497 5786 6655 4437 3933 2579 5722 9512 3117 1742 5362 2068 1853 4069 9231 1126 3991 420 2571 5517 3063 7279 8085 6111 5503 5980 50 6003 244 9684 6343 6517 1598 5223 5520 982 3932 1093 1149 7...

output:

3280737
3126187

result:

wrong answer 1st numbers differ - expected: '3061429', found: '3280737'