답안 #201054

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
201054	2020-02-09T08:26:57 Z	a1_N	Bigger segments (IZhO19_segments)	C++17	73 / 100	909 ms	262144 KB

segments

#include <bits/stdc++.h>
#define F first
#define S second
using namespace std;
const int N = (int)5e5 + 5;
const long long M = (long long)6e14;
    
int n,timer = 1,a[N],L[N * 20],R[N * 20];
pair<int,int> t[N * 20];
long long pref[N];
pair<int,long long> dp[N];
pair<int,int> ZeroPair = {0,0};

void upd(int v,long long tl,long long tr,long long pos,pair<int,int> val){
	if(tl == tr){
		t[v] = val;
		return;
	}
	long long tm = (tl + tr) >> 1;
	if(pos <= tm){
		if(!L[v]) L[v] = ++timer;
		upd(L[v],tl,tm,pos,val);
	}
	else{
		if(!R[v]) R[v] = ++timer;
		upd(R[v],tm + 1,tr,pos,val);
	}
	t[v] = max(t[L[v]],t[R[v]]);
}

pair<int,int> get(int v,long long tl,long long tr,long long l,long long r){
	if(l <= tl && tr <= r) return t[v];
	if(tl > r || tr < l) return ZeroPair;
	long long tm = (tl + tr) >> 1;
	return max(get(L[v],tl,tm,l,r),get(R[v],tm + 1,tr,l,r));
}

int main(){
	ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
	cin >> n;
	for(int i = 1; i <= n; i++){
		cin >> a[i];
		pref[i] = pref[i - 1] + a[i];
	}
	dp[1] = {1,a[1]};
	upd(1,1,M,pref[1] + dp[1].S,make_pair(dp[1].F,1));
	for(int i = 2; i <= n; i++){
		dp[i] = {dp[i - 1].F,dp[i - 1].S + a[i]};
		pair<int,int> cur = get(1,1,M,1,pref[i]);
		if(cur.F > 0) dp[i] = {cur.F + 1,pref[i] - pref[cur.S]};
		upd(1,1,M,pref[i] + dp[i].S,make_pair(dp[i].F,i));	
	}
	cout << dp[n].F;
	return 0;
}

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	4 ms	380 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	4 ms	380 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	5 ms	504 KB	Output is correct
17	Correct	6 ms	632 KB	Output is correct
18	Correct	6 ms	636 KB	Output is correct
19	Correct	5 ms	632 KB	Output is correct
20	Correct	6 ms	632 KB	Output is correct
21	Correct	6 ms	632 KB	Output is correct
22	Correct	5 ms	632 KB	Output is correct
23	Correct	6 ms	632 KB	Output is correct
24	Correct	5 ms	376 KB	Output is correct
25	Correct	6 ms	632 KB	Output is correct
26	Correct	5 ms	376 KB	Output is correct
27	Correct	5 ms	376 KB	Output is correct
28	Correct	5 ms	376 KB	Output is correct
29	Correct	7 ms	504 KB	Output is correct
30	Correct	5 ms	504 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	4 ms	380 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	5 ms	504 KB	Output is correct
17	Correct	6 ms	632 KB	Output is correct
18	Correct	6 ms	636 KB	Output is correct
19	Correct	5 ms	632 KB	Output is correct
20	Correct	6 ms	632 KB	Output is correct
21	Correct	6 ms	632 KB	Output is correct
22	Correct	5 ms	632 KB	Output is correct
23	Correct	6 ms	632 KB	Output is correct
24	Correct	5 ms	376 KB	Output is correct
25	Correct	6 ms	632 KB	Output is correct
26	Correct	5 ms	376 KB	Output is correct
27	Correct	5 ms	376 KB	Output is correct
28	Correct	5 ms	376 KB	Output is correct
29	Correct	7 ms	504 KB	Output is correct
30	Correct	5 ms	504 KB	Output is correct
31	Correct	9 ms	1272 KB	Output is correct
32	Correct	10 ms	1400 KB	Output is correct
33	Correct	10 ms	1656 KB	Output is correct
34	Correct	10 ms	1528 KB	Output is correct
35	Correct	10 ms	1912 KB	Output is correct
36	Correct	10 ms	1912 KB	Output is correct
37	Correct	9 ms	1656 KB	Output is correct
38	Correct	8 ms	1400 KB	Output is correct
39	Correct	8 ms	632 KB	Output is correct
40	Correct	10 ms	1784 KB	Output is correct
41	Correct	8 ms	632 KB	Output is correct
42	Correct	9 ms	800 KB	Output is correct
43	Correct	10 ms	632 KB	Output is correct
44	Correct	9 ms	1020 KB	Output is correct
45	Correct	8 ms	1016 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	4 ms	380 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	5 ms	504 KB	Output is correct
17	Correct	6 ms	632 KB	Output is correct
18	Correct	6 ms	636 KB	Output is correct
19	Correct	5 ms	632 KB	Output is correct
20	Correct	6 ms	632 KB	Output is correct
21	Correct	6 ms	632 KB	Output is correct
22	Correct	5 ms	632 KB	Output is correct
23	Correct	6 ms	632 KB	Output is correct
24	Correct	5 ms	376 KB	Output is correct
25	Correct	6 ms	632 KB	Output is correct
26	Correct	5 ms	376 KB	Output is correct
27	Correct	5 ms	376 KB	Output is correct
28	Correct	5 ms	376 KB	Output is correct
29	Correct	7 ms	504 KB	Output is correct
30	Correct	5 ms	504 KB	Output is correct
31	Correct	9 ms	1272 KB	Output is correct
32	Correct	10 ms	1400 KB	Output is correct
33	Correct	10 ms	1656 KB	Output is correct
34	Correct	10 ms	1528 KB	Output is correct
35	Correct	10 ms	1912 KB	Output is correct
36	Correct	10 ms	1912 KB	Output is correct
37	Correct	9 ms	1656 KB	Output is correct
38	Correct	8 ms	1400 KB	Output is correct
39	Correct	8 ms	632 KB	Output is correct
40	Correct	10 ms	1784 KB	Output is correct
41	Correct	8 ms	632 KB	Output is correct
42	Correct	9 ms	800 KB	Output is correct
43	Correct	10 ms	632 KB	Output is correct
44	Correct	9 ms	1020 KB	Output is correct
45	Correct	8 ms	1016 KB	Output is correct
46	Correct	157 ms	20220 KB	Output is correct
47	Correct	151 ms	22760 KB	Output is correct
48	Correct	187 ms	43384 KB	Output is correct
49	Correct	181 ms	47352 KB	Output is correct
50	Correct	177 ms	52168 KB	Output is correct
51	Correct	197 ms	51268 KB	Output is correct
52	Correct	94 ms	25824 KB	Output is correct
53	Correct	57 ms	15736 KB	Output is correct
54	Correct	117 ms	9184 KB	Output is correct
55	Correct	188 ms	49760 KB	Output is correct
56	Correct	146 ms	24184 KB	Output is correct
57	Correct	138 ms	20404 KB	Output is correct
58	Correct	146 ms	22188 KB	Output is correct
59	Correct	145 ms	30584 KB	Output is correct
60	Correct	154 ms	30328 KB	Output is correct

Subtask #5
0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	4 ms	380 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	5 ms	504 KB	Output is correct
17	Correct	6 ms	632 KB	Output is correct
18	Correct	6 ms	636 KB	Output is correct
19	Correct	5 ms	632 KB	Output is correct
20	Correct	6 ms	632 KB	Output is correct
21	Correct	6 ms	632 KB	Output is correct
22	Correct	5 ms	632 KB	Output is correct
23	Correct	6 ms	632 KB	Output is correct
24	Correct	5 ms	376 KB	Output is correct
25	Correct	6 ms	632 KB	Output is correct
26	Correct	5 ms	376 KB	Output is correct
27	Correct	5 ms	376 KB	Output is correct
28	Correct	5 ms	376 KB	Output is correct
29	Correct	7 ms	504 KB	Output is correct
30	Correct	5 ms	504 KB	Output is correct
31	Correct	9 ms	1272 KB	Output is correct
32	Correct	10 ms	1400 KB	Output is correct
33	Correct	10 ms	1656 KB	Output is correct
34	Correct	10 ms	1528 KB	Output is correct
35	Correct	10 ms	1912 KB	Output is correct
36	Correct	10 ms	1912 KB	Output is correct
37	Correct	9 ms	1656 KB	Output is correct
38	Correct	8 ms	1400 KB	Output is correct
39	Correct	8 ms	632 KB	Output is correct
40	Correct	10 ms	1784 KB	Output is correct
41	Correct	8 ms	632 KB	Output is correct
42	Correct	9 ms	800 KB	Output is correct
43	Correct	10 ms	632 KB	Output is correct
44	Correct	9 ms	1020 KB	Output is correct
45	Correct	8 ms	1016 KB	Output is correct
46	Correct	157 ms	20220 KB	Output is correct
47	Correct	151 ms	22760 KB	Output is correct
48	Correct	187 ms	43384 KB	Output is correct
49	Correct	181 ms	47352 KB	Output is correct
50	Correct	177 ms	52168 KB	Output is correct
51	Correct	197 ms	51268 KB	Output is correct
52	Correct	94 ms	25824 KB	Output is correct
53	Correct	57 ms	15736 KB	Output is correct
54	Correct	117 ms	9184 KB	Output is correct
55	Correct	188 ms	49760 KB	Output is correct
56	Correct	146 ms	24184 KB	Output is correct
57	Correct	138 ms	20404 KB	Output is correct
58	Correct	146 ms	22188 KB	Output is correct
59	Correct	145 ms	30584 KB	Output is correct
60	Correct	154 ms	30328 KB	Output is correct
61	Correct	644 ms	95780 KB	Output is correct
62	Correct	649 ms	92320 KB	Output is correct
63	Correct	689 ms	114456 KB	Output is correct
64	Runtime error	909 ms	262144 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
65	Halted	0 ms	0 KB	-

답안 #201054

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 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
0 / 27.0