답안 #497746

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
497746	2021-12-23T17:29:03 Z	mansur	Bigger segments (IZhO19_segments)	C++14	100 / 100	79 ms	15956 KB

segments

#include<bits/stdc++.h>	
 
#pragma optimize ("g",on)
#pragma GCC optimize ("inline")
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize ("03")
#pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,avx2,mmx,fma,avx,tune=native")
#pragma comment(linker, "/stack:200000000")
 
//01001101 01100001 01101011 01101000 01100001  01100111 01100001 01111001 
 
using namespace std;
 
#define all(a) a.begin(), a.end()                                                   
#define rall(a) a.rbegin(), a.rend()
#define ll long long
#define pb push_back
#define sz(a) a.size()
#define nl '\n'
#define popb pop_back()                                                                   
#define ld double
#define ull unsigned long long
#define ff first                                         
#define ss second  
#define fix fixed << setprecision
#define pii pair<int, int>                          
#define E exit (0)
#define int long long
 
const int inf = 1e14, N = 1e6 + 1, mod = 998244353;                    
 
vector<pii> dir = {{1, 0}, {0, 1}, {-1, 0}, {0, -1}};
 
pii dp[N];

main() {                                                         
	//freopen("cowrect.in", "r", stdin);                                                                                     
	//freopen("cowrect.out", "w", stdout);                                                                                     
	ios_base::sync_with_stdio(NULL);                                                                                        
	cin.tie(NULL);
	int n;
	cin >> n;
	int a[n + 1], pref[n + 1];
	pref[0] = 0;
	for (int i = 1; i <= n; i++) {
		cin >> a[i];
		pref[i] = pref[i - 1] + a[i];
	}
	dp[1] = {1, 1};
	for (int i = 1; i <= n; i++) {
		int sum = pref[i] - pref[dp[i].ss - 1] + pref[i];
		int l = i + 1, r = n, pos = 0;
		while (l <= r) {
			int mid = (l + r) / 2;
			if (pref[mid] >= sum) {
				r = mid - 1;
				pos = mid;
			}else l = mid + 1;
		}
		if (pos) {
			if (dp[pos].ff < dp[i].ff + 1) {
				dp[pos] = {dp[i].ff + 1, i + 1};    
			}else if (dp[pos].ff == dp[i].ff + 1 && dp[pos].ss < i + 1) {
				dp[pos] = {dp[i].ff + 1, i + 1};
			}
		}
		pos = i + 1;
		if (dp[pos].ff < dp[i].ff) {
			dp[pos] = {dp[i].ff, dp[i].ss};    
		}else if (dp[pos].ff == dp[i].ff && dp[pos].ss < dp[i].ss) {
			dp[pos] = {dp[i].ff, dp[i].ss};
		}
	}
	cout << dp[n].ff;
}

Compilation message

segments.cpp:3: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    3 | #pragma optimize ("g",on)
      | 
segments.cpp:9: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
    9 | #pragma comment(linker, "/stack:200000000")
      | 
segments.cpp:37:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   37 | main() {
      | ^~~~

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	332 KB	Output is correct
21	Correct	0 ms	332 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	332 KB	Output is correct
25	Correct	0 ms	332 KB	Output is correct
26	Correct	0 ms	204 KB	Output is correct
27	Correct	0 ms	332 KB	Output is correct
28	Correct	0 ms	332 KB	Output is correct
29	Correct	0 ms	204 KB	Output is correct
30	Correct	0 ms	332 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	332 KB	Output is correct
21	Correct	0 ms	332 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	332 KB	Output is correct
25	Correct	0 ms	332 KB	Output is correct
26	Correct	0 ms	204 KB	Output is correct
27	Correct	0 ms	332 KB	Output is correct
28	Correct	0 ms	332 KB	Output is correct
29	Correct	0 ms	204 KB	Output is correct
30	Correct	0 ms	332 KB	Output is correct
31	Correct	1 ms	332 KB	Output is correct
32	Correct	1 ms	332 KB	Output is correct
33	Correct	1 ms	332 KB	Output is correct
34	Correct	1 ms	332 KB	Output is correct
35	Correct	1 ms	332 KB	Output is correct
36	Correct	1 ms	332 KB	Output is correct
37	Correct	1 ms	332 KB	Output is correct
38	Correct	1 ms	332 KB	Output is correct
39	Correct	1 ms	332 KB	Output is correct
40	Correct	1 ms	332 KB	Output is correct
41	Correct	1 ms	340 KB	Output is correct
42	Correct	0 ms	340 KB	Output is correct
43	Correct	0 ms	340 KB	Output is correct
44	Correct	1 ms	336 KB	Output is correct
45	Correct	1 ms	336 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	332 KB	Output is correct
21	Correct	0 ms	332 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	332 KB	Output is correct
25	Correct	0 ms	332 KB	Output is correct
26	Correct	0 ms	204 KB	Output is correct
27	Correct	0 ms	332 KB	Output is correct
28	Correct	0 ms	332 KB	Output is correct
29	Correct	0 ms	204 KB	Output is correct
30	Correct	0 ms	332 KB	Output is correct
31	Correct	1 ms	332 KB	Output is correct
32	Correct	1 ms	332 KB	Output is correct
33	Correct	1 ms	332 KB	Output is correct
34	Correct	1 ms	332 KB	Output is correct
35	Correct	1 ms	332 KB	Output is correct
36	Correct	1 ms	332 KB	Output is correct
37	Correct	1 ms	332 KB	Output is correct
38	Correct	1 ms	332 KB	Output is correct
39	Correct	1 ms	332 KB	Output is correct
40	Correct	1 ms	332 KB	Output is correct
41	Correct	1 ms	340 KB	Output is correct
42	Correct	0 ms	340 KB	Output is correct
43	Correct	0 ms	340 KB	Output is correct
44	Correct	1 ms	336 KB	Output is correct
45	Correct	1 ms	336 KB	Output is correct
46	Correct	9 ms	3416 KB	Output is correct
47	Correct	12 ms	3340 KB	Output is correct
48	Correct	12 ms	3404 KB	Output is correct
49	Correct	12 ms	3420 KB	Output is correct
50	Correct	12 ms	3420 KB	Output is correct
51	Correct	14 ms	3404 KB	Output is correct
52	Correct	8 ms	1868 KB	Output is correct
53	Correct	5 ms	1240 KB	Output is correct
54	Correct	11 ms	3432 KB	Output is correct
55	Correct	13 ms	3428 KB	Output is correct
56	Correct	9 ms	3428 KB	Output is correct
57	Correct	9 ms	3408 KB	Output is correct
58	Correct	10 ms	3532 KB	Output is correct
59	Correct	10 ms	3420 KB	Output is correct
60	Correct	9 ms	3340 KB	Output is correct

Subtask #5
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	332 KB	Output is correct
21	Correct	0 ms	332 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	332 KB	Output is correct
25	Correct	0 ms	332 KB	Output is correct
26	Correct	0 ms	204 KB	Output is correct
27	Correct	0 ms	332 KB	Output is correct
28	Correct	0 ms	332 KB	Output is correct
29	Correct	0 ms	204 KB	Output is correct
30	Correct	0 ms	332 KB	Output is correct
31	Correct	1 ms	332 KB	Output is correct
32	Correct	1 ms	332 KB	Output is correct
33	Correct	1 ms	332 KB	Output is correct
34	Correct	1 ms	332 KB	Output is correct
35	Correct	1 ms	332 KB	Output is correct
36	Correct	1 ms	332 KB	Output is correct
37	Correct	1 ms	332 KB	Output is correct
38	Correct	1 ms	332 KB	Output is correct
39	Correct	1 ms	332 KB	Output is correct
40	Correct	1 ms	332 KB	Output is correct
41	Correct	1 ms	340 KB	Output is correct
42	Correct	0 ms	340 KB	Output is correct
43	Correct	0 ms	340 KB	Output is correct
44	Correct	1 ms	336 KB	Output is correct
45	Correct	1 ms	336 KB	Output is correct
46	Correct	9 ms	3416 KB	Output is correct
47	Correct	12 ms	3340 KB	Output is correct
48	Correct	12 ms	3404 KB	Output is correct
49	Correct	12 ms	3420 KB	Output is correct
50	Correct	12 ms	3420 KB	Output is correct
51	Correct	14 ms	3404 KB	Output is correct
52	Correct	8 ms	1868 KB	Output is correct
53	Correct	5 ms	1240 KB	Output is correct
54	Correct	11 ms	3432 KB	Output is correct
55	Correct	13 ms	3428 KB	Output is correct
56	Correct	9 ms	3428 KB	Output is correct
57	Correct	9 ms	3408 KB	Output is correct
58	Correct	10 ms	3532 KB	Output is correct
59	Correct	10 ms	3420 KB	Output is correct
60	Correct	9 ms	3340 KB	Output is correct
61	Correct	46 ms	15952 KB	Output is correct
62	Correct	54 ms	15936 KB	Output is correct
63	Correct	64 ms	15940 KB	Output is correct
64	Correct	61 ms	15940 KB	Output is correct
65	Correct	59 ms	15940 KB	Output is correct
66	Correct	69 ms	15940 KB	Output is correct
67	Correct	59 ms	12780 KB	Output is correct
68	Correct	29 ms	6572 KB	Output is correct
69	Correct	57 ms	15936 KB	Output is correct
70	Correct	79 ms	15940 KB	Output is correct
71	Correct	41 ms	15956 KB	Output is correct
72	Correct	62 ms	15948 KB	Output is correct
73	Correct	59 ms	15940 KB	Output is correct
74	Correct	50 ms	15940 KB	Output is correct
75	Correct	50 ms	15940 KB	Output is correct

답안 #497746

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