답안 #870498

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
870498	2023-11-08T06:08:19 Z	KiaRez	Bigger segments (IZhO19_segments)	C++17	100 / 100	115 ms	32672 KB

segments

/*
    IN THE NAME OF GOD
*/
#include <bits/stdc++.h>

// #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
// #pragma GCC optimize("O3")
// #pragma GCC optimize("unroll-loops")

using namespace std;

typedef long long ll;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
typedef long double ld;

#define F                                      first
#define S                                      second
#define Mp                                     make_pair
#define pb                                     push_back
#define pf                                     push_front
#define size(x)                                ((ll)x.size())
#define all(x)                                 (x).begin(),(x).end()
#define kill(x)		                           cout << x << '\n', exit(0);
#define fuck(x)                                cout << "(" << #x << " , " << x << ")" << endl
#define endl                                   '\n'

const int N = 5e5+23, lg = 19;
ll Mod = 1e9+7; //998244353;

inline ll MOD(ll a, ll mod=Mod) {a%=mod; (a<0)&&(a+=mod); return a;}
inline ll poww(ll a, ll b, ll mod=Mod) {
    ll ans = 1;
    a=MOD(a, mod);
    while (b) {
        if (b & 1) ans = MOD(ans*a, mod);
        b >>= 1;
        a = MOD(a*a, mod);
    }
    return ans;
}

ll t, n, a[N], dp[N], pd[N], seg[4*N];

void update(int ind, ll val) {
	if(ind == 0) return;
	if(ind >= (1<<lg)) {
		seg[ind] = val;
	} else {
		seg[ind] = min(seg[2*ind], seg[2*ind+1]);
	}
	update(ind/2, val);
}

ll query(ll val, int ind=1) {
	if(ind >= (1<<lg)) {
		return (ind - (1<<lg) + 1);
	}
	if(seg[2*ind+1] <= val) return query(val, 2*ind+1);
	return query(val, 2*ind);
}

int main () {
	ios_base::sync_with_stdio(false), cin.tie(0);

	cin>>n;
	for(int i=1; i<=n; i++) {
		cin>>a[i];
		a[i] += a[i-1];
	}
	fill(seg, seg+4*N, (ll)1e18);

	update((1<<lg), 0);
	
	for(int i=1; i<=n; i++) {
		ll x = query(a[i]) - 1;
		dp[i] = a[i] - a[x], pd[i] = pd[x] + 1;
		update(i+(1<<lg), dp[i]+a[i]);
	}

	cout<<pd[n]<<endl;

	return 0;
}

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	21080 KB	Output is correct
2	Correct	3 ms	21084 KB	Output is correct
3	Correct	3 ms	21084 KB	Output is correct
4	Correct	3 ms	21084 KB	Output is correct
5	Correct	3 ms	21140 KB	Output is correct
6	Correct	3 ms	21084 KB	Output is correct
7	Correct	3 ms	21080 KB	Output is correct
8	Correct	3 ms	21084 KB	Output is correct
9	Correct	3 ms	21084 KB	Output is correct
10	Correct	3 ms	21084 KB	Output is correct
11	Correct	3 ms	21084 KB	Output is correct
12	Correct	3 ms	21084 KB	Output is correct
13	Correct	3 ms	21084 KB	Output is correct
14	Correct	3 ms	21084 KB	Output is correct
15	Correct	4 ms	21080 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	21080 KB	Output is correct
2	Correct	3 ms	21084 KB	Output is correct
3	Correct	3 ms	21084 KB	Output is correct
4	Correct	3 ms	21084 KB	Output is correct
5	Correct	3 ms	21140 KB	Output is correct
6	Correct	3 ms	21084 KB	Output is correct
7	Correct	3 ms	21080 KB	Output is correct
8	Correct	3 ms	21084 KB	Output is correct
9	Correct	3 ms	21084 KB	Output is correct
10	Correct	3 ms	21084 KB	Output is correct
11	Correct	3 ms	21084 KB	Output is correct
12	Correct	3 ms	21084 KB	Output is correct
13	Correct	3 ms	21084 KB	Output is correct
14	Correct	3 ms	21084 KB	Output is correct
15	Correct	4 ms	21080 KB	Output is correct
16	Correct	3 ms	21080 KB	Output is correct
17	Correct	3 ms	21336 KB	Output is correct
18	Correct	3 ms	21084 KB	Output is correct
19	Correct	3 ms	21084 KB	Output is correct
20	Correct	3 ms	21084 KB	Output is correct
21	Correct	3 ms	21084 KB	Output is correct
22	Correct	3 ms	21084 KB	Output is correct
23	Correct	3 ms	21084 KB	Output is correct
24	Correct	3 ms	21080 KB	Output is correct
25	Correct	3 ms	21084 KB	Output is correct
26	Correct	3 ms	21084 KB	Output is correct
27	Correct	4 ms	21084 KB	Output is correct
28	Correct	3 ms	21140 KB	Output is correct
29	Correct	3 ms	21084 KB	Output is correct
30	Correct	3 ms	21084 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	21080 KB	Output is correct
2	Correct	3 ms	21084 KB	Output is correct
3	Correct	3 ms	21084 KB	Output is correct
4	Correct	3 ms	21084 KB	Output is correct
5	Correct	3 ms	21140 KB	Output is correct
6	Correct	3 ms	21084 KB	Output is correct
7	Correct	3 ms	21080 KB	Output is correct
8	Correct	3 ms	21084 KB	Output is correct
9	Correct	3 ms	21084 KB	Output is correct
10	Correct	3 ms	21084 KB	Output is correct
11	Correct	3 ms	21084 KB	Output is correct
12	Correct	3 ms	21084 KB	Output is correct
13	Correct	3 ms	21084 KB	Output is correct
14	Correct	3 ms	21084 KB	Output is correct
15	Correct	4 ms	21080 KB	Output is correct
16	Correct	3 ms	21080 KB	Output is correct
17	Correct	3 ms	21336 KB	Output is correct
18	Correct	3 ms	21084 KB	Output is correct
19	Correct	3 ms	21084 KB	Output is correct
20	Correct	3 ms	21084 KB	Output is correct
21	Correct	3 ms	21084 KB	Output is correct
22	Correct	3 ms	21084 KB	Output is correct
23	Correct	3 ms	21084 KB	Output is correct
24	Correct	3 ms	21080 KB	Output is correct
25	Correct	3 ms	21084 KB	Output is correct
26	Correct	3 ms	21084 KB	Output is correct
27	Correct	4 ms	21084 KB	Output is correct
28	Correct	3 ms	21140 KB	Output is correct
29	Correct	3 ms	21084 KB	Output is correct
30	Correct	3 ms	21084 KB	Output is correct
31	Correct	4 ms	21080 KB	Output is correct
32	Correct	4 ms	21084 KB	Output is correct
33	Correct	4 ms	21084 KB	Output is correct
34	Correct	4 ms	21084 KB	Output is correct
35	Correct	4 ms	21084 KB	Output is correct
36	Correct	3 ms	21084 KB	Output is correct
37	Correct	3 ms	21164 KB	Output is correct
38	Correct	4 ms	21084 KB	Output is correct
39	Correct	3 ms	21084 KB	Output is correct
40	Correct	4 ms	21080 KB	Output is correct
41	Correct	3 ms	21084 KB	Output is correct
42	Correct	3 ms	21084 KB	Output is correct
43	Correct	4 ms	21084 KB	Output is correct
44	Correct	3 ms	21080 KB	Output is correct
45	Correct	3 ms	21080 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	21080 KB	Output is correct
2	Correct	3 ms	21084 KB	Output is correct
3	Correct	3 ms	21084 KB	Output is correct
4	Correct	3 ms	21084 KB	Output is correct
5	Correct	3 ms	21140 KB	Output is correct
6	Correct	3 ms	21084 KB	Output is correct
7	Correct	3 ms	21080 KB	Output is correct
8	Correct	3 ms	21084 KB	Output is correct
9	Correct	3 ms	21084 KB	Output is correct
10	Correct	3 ms	21084 KB	Output is correct
11	Correct	3 ms	21084 KB	Output is correct
12	Correct	3 ms	21084 KB	Output is correct
13	Correct	3 ms	21084 KB	Output is correct
14	Correct	3 ms	21084 KB	Output is correct
15	Correct	4 ms	21080 KB	Output is correct
16	Correct	3 ms	21080 KB	Output is correct
17	Correct	3 ms	21336 KB	Output is correct
18	Correct	3 ms	21084 KB	Output is correct
19	Correct	3 ms	21084 KB	Output is correct
20	Correct	3 ms	21084 KB	Output is correct
21	Correct	3 ms	21084 KB	Output is correct
22	Correct	3 ms	21084 KB	Output is correct
23	Correct	3 ms	21084 KB	Output is correct
24	Correct	3 ms	21080 KB	Output is correct
25	Correct	3 ms	21084 KB	Output is correct
26	Correct	3 ms	21084 KB	Output is correct
27	Correct	4 ms	21084 KB	Output is correct
28	Correct	3 ms	21140 KB	Output is correct
29	Correct	3 ms	21084 KB	Output is correct
30	Correct	3 ms	21084 KB	Output is correct
31	Correct	4 ms	21080 KB	Output is correct
32	Correct	4 ms	21084 KB	Output is correct
33	Correct	4 ms	21084 KB	Output is correct
34	Correct	4 ms	21084 KB	Output is correct
35	Correct	4 ms	21084 KB	Output is correct
36	Correct	3 ms	21084 KB	Output is correct
37	Correct	3 ms	21164 KB	Output is correct
38	Correct	4 ms	21084 KB	Output is correct
39	Correct	3 ms	21084 KB	Output is correct
40	Correct	4 ms	21080 KB	Output is correct
41	Correct	3 ms	21084 KB	Output is correct
42	Correct	3 ms	21084 KB	Output is correct
43	Correct	4 ms	21084 KB	Output is correct
44	Correct	3 ms	21080 KB	Output is correct
45	Correct	3 ms	21080 KB	Output is correct
46	Correct	21 ms	21160 KB	Output is correct
47	Correct	19 ms	21944 KB	Output is correct
48	Correct	21 ms	21840 KB	Output is correct
49	Correct	22 ms	21852 KB	Output is correct
50	Correct	21 ms	22108 KB	Output is correct
51	Correct	21 ms	22108 KB	Output is correct
52	Correct	12 ms	21596 KB	Output is correct
53	Correct	11 ms	21596 KB	Output is correct
54	Correct	18 ms	21340 KB	Output is correct
55	Correct	21 ms	22108 KB	Output is correct
56	Correct	19 ms	21572 KB	Output is correct
57	Correct	19 ms	21576 KB	Output is correct
58	Correct	19 ms	21584 KB	Output is correct
59	Correct	20 ms	21592 KB	Output is correct
60	Correct	19 ms	21596 KB	Output is correct

Subtask #5
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	21080 KB	Output is correct
2	Correct	3 ms	21084 KB	Output is correct
3	Correct	3 ms	21084 KB	Output is correct
4	Correct	3 ms	21084 KB	Output is correct
5	Correct	3 ms	21140 KB	Output is correct
6	Correct	3 ms	21084 KB	Output is correct
7	Correct	3 ms	21080 KB	Output is correct
8	Correct	3 ms	21084 KB	Output is correct
9	Correct	3 ms	21084 KB	Output is correct
10	Correct	3 ms	21084 KB	Output is correct
11	Correct	3 ms	21084 KB	Output is correct
12	Correct	3 ms	21084 KB	Output is correct
13	Correct	3 ms	21084 KB	Output is correct
14	Correct	3 ms	21084 KB	Output is correct
15	Correct	4 ms	21080 KB	Output is correct
16	Correct	3 ms	21080 KB	Output is correct
17	Correct	3 ms	21336 KB	Output is correct
18	Correct	3 ms	21084 KB	Output is correct
19	Correct	3 ms	21084 KB	Output is correct
20	Correct	3 ms	21084 KB	Output is correct
21	Correct	3 ms	21084 KB	Output is correct
22	Correct	3 ms	21084 KB	Output is correct
23	Correct	3 ms	21084 KB	Output is correct
24	Correct	3 ms	21080 KB	Output is correct
25	Correct	3 ms	21084 KB	Output is correct
26	Correct	3 ms	21084 KB	Output is correct
27	Correct	4 ms	21084 KB	Output is correct
28	Correct	3 ms	21140 KB	Output is correct
29	Correct	3 ms	21084 KB	Output is correct
30	Correct	3 ms	21084 KB	Output is correct
31	Correct	4 ms	21080 KB	Output is correct
32	Correct	4 ms	21084 KB	Output is correct
33	Correct	4 ms	21084 KB	Output is correct
34	Correct	4 ms	21084 KB	Output is correct
35	Correct	4 ms	21084 KB	Output is correct
36	Correct	3 ms	21084 KB	Output is correct
37	Correct	3 ms	21164 KB	Output is correct
38	Correct	4 ms	21084 KB	Output is correct
39	Correct	3 ms	21084 KB	Output is correct
40	Correct	4 ms	21080 KB	Output is correct
41	Correct	3 ms	21084 KB	Output is correct
42	Correct	3 ms	21084 KB	Output is correct
43	Correct	4 ms	21084 KB	Output is correct
44	Correct	3 ms	21080 KB	Output is correct
45	Correct	3 ms	21080 KB	Output is correct
46	Correct	21 ms	21160 KB	Output is correct
47	Correct	19 ms	21944 KB	Output is correct
48	Correct	21 ms	21840 KB	Output is correct
49	Correct	22 ms	21852 KB	Output is correct
50	Correct	21 ms	22108 KB	Output is correct
51	Correct	21 ms	22108 KB	Output is correct
52	Correct	12 ms	21596 KB	Output is correct
53	Correct	11 ms	21596 KB	Output is correct
54	Correct	18 ms	21340 KB	Output is correct
55	Correct	21 ms	22108 KB	Output is correct
56	Correct	19 ms	21572 KB	Output is correct
57	Correct	19 ms	21576 KB	Output is correct
58	Correct	19 ms	21584 KB	Output is correct
59	Correct	20 ms	21592 KB	Output is correct
60	Correct	19 ms	21596 KB	Output is correct
61	Correct	100 ms	29776 KB	Output is correct
62	Correct	94 ms	29792 KB	Output is correct
63	Correct	88 ms	30032 KB	Output is correct
64	Correct	99 ms	32212 KB	Output is correct
65	Correct	100 ms	32592 KB	Output is correct
66	Correct	115 ms	32672 KB	Output is correct
67	Correct	79 ms	31132 KB	Output is correct
68	Correct	40 ms	28984 KB	Output is correct
69	Correct	82 ms	28884 KB	Output is correct
70	Correct	102 ms	32592 KB	Output is correct
71	Correct	90 ms	29792 KB	Output is correct
72	Correct	91 ms	30032 KB	Output is correct
73	Correct	100 ms	30548 KB	Output is correct
74	Correct	92 ms	31056 KB	Output is correct
75	Correct	91 ms	31152 KB	Output is correct

답안 #870498

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 14.0 / 14.0

Subtask #3 10.0 / 10.0

Subtask #4 36.0 / 36.0

Subtask #5 27.0 / 27.0

Subtask #1
13.0 / 13.0

Subtask #2
14.0 / 14.0

Subtask #3
10.0 / 10.0

Subtask #4
36.0 / 36.0

Subtask #5
27.0 / 27.0