답안 #38527 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
38527	2018-01-04T11:05:09 Z	grumpy_gordon	Money (IZhO17_money)	C++14	45 / 100	1500 ms	60764 KB

money

/*
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      .%###################@%%@@@###@%+:--%@@%.
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----------------------------------------------
--------------------------------------------
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--------------------------------------------
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*/
#include <bits/stdc++.h>

//#pragma GCC optimize("O3")
//#pragma GCC optimize("Ofast,no-stack-protector")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx")
//#pragma GCC target("avx,tune=native")

using namespace std;

typedef long long ll;

typedef unsigned long long ull;

typedef long double ld;

int mysqrt(ll x){
    int l = 0, r = 1e9 + 1;
    while (r - l > 1){
        int m = (l + r) / 2;
        if (m * (ll)m <= x)
            l = m;
        else
            r = m;
    }
    return l;
}

mt19937 rnd(1337);

ll AR = 19, BR = 13, CR = 23, XR = 228, YR = 322, MODR = 1e9 + 993;

ll myrand(){
    ll ZR = (XR * AR + YR * BR + CR) % MODR;
    XR = YR;
    YR = ZR;
    return ZR;
}

const int Mod = 1e9 + 7;

int bpow(int x, int y){
    if (y == 0)
        return 1;
    if (y == 1)
        return x;
    int ret = bpow(x, y >> 1);
    ret = (ret * (ll)ret) % Mod;
    if (y & 1)
        ret = (ret * (ll)x) % Mod;
    return ret;
}

int bdiv(int x, int y){
    return (x * (ll)bpow(y, Mod - 2)) % Mod;
}

void setmin(int &x, int y){
    x = min(x, y);
}

void setmax(int &x, int y){
    x = max(x, y);
}

const ll llinf = 1e18 + 100;

const int maxn = 1e6 + 100, inf = 2e9 + 100, sq = 300, mod = 1e9 + 7, LG = 17;

int n;

int a[maxn];

int p[maxn];

int q[maxn];

set<int> g;

int main()
{
    #ifdef ONPC
    //ifstream cin("a.in");
    //ofstream cout("a.out");
    freopen("a.in", "r", stdin);
    freopen("a.out", "w", stdout);
    #else
    //ifstream cin("bootfall.in");
    //ofstream cout("bootfall.out");
    //freopen("trap.in", "r", stdin);
    //freopen("trap.out", "w", stdout);
    #endif // ONPC
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin >> n;
    for (int i = 0; i < n; i++)
        cin >> a[i];
    p[n - 1] = n - 1;
    for (int i = n - 2; i >= 0; i--){
        if (a[i] <= a[i + 1])
            p[i] = p[i + 1];
        else
            p[i] = i;
    }
    q[0] = 0;
    for (int i = 1; i <= n; i++)
        q[i] = inf;
    for (int i = 0; i < n; i++){
        if (q[i] != inf){
            set<int> :: iterator it = g.upper_bound(a[i]);
            int x;
            if (it == g.end())
                x = inf;
            else
                x = *it;
            int l = i, r = p[i] + 1;
            while (r - l > 1){
                int m = (l + r) / 2;
                if (a[m] <= x)
                    l = m;
                else
                    r = m;
            }
            q[l + 1] = min(q[l + 1], q[i] + 1);
        }
        g.insert(a[i]);
    }
    cout << q[n];
}

Subtask #1
9.0 / 9.0

#	결과	메모리	Grader output
1	Correct	13904 KB	Output is correct
2	Correct	13904 KB	Output is correct
3	Correct	13904 KB	Output is correct
4	Correct	13904 KB	Output is correct
5	Correct	13904 KB	Output is correct
6	Correct	13904 KB	Output is correct
7	Correct	13904 KB	Output is correct
8	Correct	13904 KB	Output is correct
9	Correct	13904 KB	Output is correct
10	Correct	13904 KB	Output is correct
11	Correct	13904 KB	Output is correct
12	Correct	13904 KB	Output is correct
13	Correct	13904 KB	Output is correct
14	Correct	13904 KB	Output is correct
15	Correct	13904 KB	Output is correct
16	Correct	13904 KB	Output is correct

Subtask #2
16.0 / 16.0

#	결과	메모리	Grader output
1	Correct	13904 KB	Output is correct
2	Correct	13904 KB	Output is correct
3	Correct	13904 KB	Output is correct
4	Correct	13904 KB	Output is correct
5	Correct	13904 KB	Output is correct
6	Correct	13904 KB	Output is correct
7	Correct	13904 KB	Output is correct
8	Correct	13904 KB	Output is correct
9	Correct	13904 KB	Output is correct
10	Correct	13904 KB	Output is correct
11	Correct	13904 KB	Output is correct
12	Correct	13904 KB	Output is correct
13	Correct	13904 KB	Output is correct
14	Correct	13904 KB	Output is correct
15	Correct	13904 KB	Output is correct
16	Correct	13904 KB	Output is correct
17	Correct	13904 KB	Output is correct
18	Correct	13904 KB	Output is correct
19	Correct	13904 KB	Output is correct
20	Correct	13904 KB	Output is correct
21	Correct	13904 KB	Output is correct
22	Correct	13904 KB	Output is correct
23	Correct	13904 KB	Output is correct
24	Correct	13904 KB	Output is correct
25	Correct	13904 KB	Output is correct
26	Correct	13904 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	메모리	Grader output
1	Correct	13904 KB	Output is correct
2	Correct	13904 KB	Output is correct
3	Correct	13904 KB	Output is correct
4	Correct	13904 KB	Output is correct
5	Correct	13904 KB	Output is correct
6	Correct	13904 KB	Output is correct
7	Correct	13904 KB	Output is correct
8	Correct	13904 KB	Output is correct
9	Correct	13904 KB	Output is correct
10	Correct	13904 KB	Output is correct
11	Correct	13904 KB	Output is correct
12	Correct	13904 KB	Output is correct
13	Correct	13904 KB	Output is correct
14	Correct	13904 KB	Output is correct
15	Correct	13904 KB	Output is correct
16	Correct	13904 KB	Output is correct
17	Correct	13904 KB	Output is correct
18	Correct	13904 KB	Output is correct
19	Correct	13904 KB	Output is correct
20	Correct	13904 KB	Output is correct
21	Correct	13904 KB	Output is correct
22	Correct	13904 KB	Output is correct
23	Correct	13904 KB	Output is correct
24	Correct	13904 KB	Output is correct
25	Correct	13904 KB	Output is correct
26	Correct	13904 KB	Output is correct
27	Correct	13904 KB	Output is correct
28	Correct	13904 KB	Output is correct
29	Correct	13904 KB	Output is correct
30	Correct	13904 KB	Output is correct
31	Correct	13904 KB	Output is correct
32	Correct	13904 KB	Output is correct
33	Correct	13904 KB	Output is correct
34	Correct	13904 KB	Output is correct
35	Correct	13904 KB	Output is correct
36	Correct	13904 KB	Output is correct
37	Correct	13904 KB	Output is correct
38	Correct	13904 KB	Output is correct

Subtask #4
0 / 55.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	13904 KB	Output is correct
2	Correct	0 ms	13904 KB	Output is correct
3	Correct	0 ms	13904 KB	Output is correct
4	Correct	0 ms	13904 KB	Output is correct
5	Correct	0 ms	13904 KB	Output is correct
6	Correct	0 ms	13904 KB	Output is correct
7	Correct	0 ms	13904 KB	Output is correct
8	Correct	0 ms	13904 KB	Output is correct
9	Correct	0 ms	13904 KB	Output is correct
10	Correct	0 ms	13904 KB	Output is correct
11	Correct	0 ms	13904 KB	Output is correct
12	Correct	0 ms	13904 KB	Output is correct
13	Correct	0 ms	13904 KB	Output is correct
14	Correct	0 ms	13904 KB	Output is correct
15	Correct	0 ms	13904 KB	Output is correct
16	Correct	0 ms	13904 KB	Output is correct
17	Correct	0 ms	13904 KB	Output is correct
18	Correct	0 ms	13904 KB	Output is correct
19	Correct	0 ms	13904 KB	Output is correct
20	Correct	0 ms	13904 KB	Output is correct
21	Correct	0 ms	13904 KB	Output is correct
22	Correct	0 ms	13904 KB	Output is correct
23	Correct	0 ms	13904 KB	Output is correct
24	Correct	0 ms	13904 KB	Output is correct
25	Correct	0 ms	13904 KB	Output is correct
26	Correct	0 ms	13904 KB	Output is correct
27	Correct	0 ms	13904 KB	Output is correct
28	Correct	0 ms	13904 KB	Output is correct
29	Correct	0 ms	13904 KB	Output is correct
30	Correct	0 ms	13904 KB	Output is correct
31	Correct	0 ms	13904 KB	Output is correct
32	Correct	0 ms	13904 KB	Output is correct
33	Correct	0 ms	13904 KB	Output is correct
34	Correct	0 ms	13904 KB	Output is correct
35	Correct	0 ms	13904 KB	Output is correct
36	Correct	0 ms	13904 KB	Output is correct
37	Correct	0 ms	13904 KB	Output is correct
38	Correct	0 ms	13904 KB	Output is correct
39	Correct	69 ms	13904 KB	Output is correct
40	Correct	139 ms	13904 KB	Output is correct
41	Correct	69 ms	13904 KB	Output is correct
42	Correct	63 ms	13904 KB	Output is correct
43	Correct	39 ms	13904 KB	Output is correct
44	Correct	163 ms	13904 KB	Output is correct
45	Correct	133 ms	13904 KB	Output is correct
46	Correct	136 ms	13904 KB	Output is correct
47	Correct	133 ms	13904 KB	Output is correct
48	Correct	133 ms	13904 KB	Output is correct
49	Correct	873 ms	32384 KB	Output is correct
50	Correct	806 ms	32384 KB	Output is correct
51	Correct	876 ms	32384 KB	Output is correct
52	Correct	853 ms	32384 KB	Output is correct
53	Correct	796 ms	32384 KB	Output is correct
54	Correct	723 ms	32384 KB	Output is correct
55	Execution timed out	1500 ms	60764 KB	Execution timed out
56	Halted	0 ms	0 KB	-

답안 #38527

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 16.0 / 16.0

Subtask #3 20.0 / 20.0

Subtask #4 0 / 55.0

Subtask #1
9.0 / 9.0

Subtask #2
16.0 / 16.0

Subtask #3
20.0 / 20.0

Subtask #4
0 / 55.0