답안 #676176

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
676176	2022-12-29T16:24:30 Z	armashka	Cigle (COI21_cigle)	C++17	48 / 100	1000 ms	13340 KB

cigle

#include<bits/stdc++.h>
#pragma GCC target("avx2")
#pragma GCC optimization("O3")
#pragma GCC optimization("unroll-loops")
#pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")

using namespace std;

 
#define fast ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define file(s) freopen(s".in", "r", stdin);freopen(s".out", "w", stdout);
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
#define pb push_back
#define ft first
#define sd second
#define ll int
#define pll pair<ll,ll>
const int N = 2e5 + 5;
const int M = 1e7 + 5;
const ll mod = 1e9 + 7;
const ll inf = 1e9;

ll binmul(ll x, ll ti) { ll res = 0;while (ti){if(ti & 1)res += x;x += x;ti >>= 1; x %= mod; res %= mod;} return res;}
ll binpow(ll x, ll ti) { ll res = 1;while (ti){if(ti & 1)res=binmul(res,x);x=binmul(x,x);ti >>= 1; x %= mod; res %= mod;} return res;}
ll nok(ll a, ll b) { return (a*b)/__gcd(abs(a),abs(b)) * (a*b > 0 ? 1 : -1); }
bool odd(ll n) { return (n % 2 == 1); }
bool even(ll n) { return (n % 2 == 0); }

ll n, a[5005], dp[5005][5005], pr[5005];
bool used[5005][5005];

void check(ll l, ll r) {
	if (used[l][r]) return;
	used[l][r] = 1;

	int j = l, cnt = 0, sum = 0;
	for (int i = l - 1; i >= 1; -- i) {
		while (pr[l - 1] - pr[i - 1] > sum && j <= r) sum += a[j++];
		if (!used[i][l - 1]) check(i, l - 1);
		dp[l][r] = max(dp[l][r], dp[i][l - 1] + cnt);
		if (pr[l - 1] - pr[i - 1] == sum && j <= r) ++ cnt;			
	}
}

const void solve() {
	cin >> n;
	for (int i = 1; i <= n; ++ i) cin >> a[i], pr[i] = pr[i - 1] + a[i];
	for (int i = 1; i <= n; ++ i) used[1][i] = 1;
	ll ans = 0;
	for (int i = 1; i <= n; ++ i) {
		if (!used[i][n]) check(i, n);
		ans = max(ans, dp[i][n]);
	} 
	cout << ans;
}

int main() {
   	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	srand(time(NULL));
    
	ll tt = 1;
	// cin >> tt; 

	while (tt --) solve();

	return 0;
}

Compilation message

cigle.cpp:3: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    3 | #pragma GCC optimization("O3")
      | 
cigle.cpp:4: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    4 | #pragma GCC optimization("unroll-loops")
      | 
cigle.cpp:5: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
    5 | #pragma comment(linker, "/stack:200000000")
      |

Subtask #1
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	468 KB	Output is correct
2	Correct	1 ms	456 KB	Output is correct
3	Correct	1 ms	468 KB	Output is correct
4	Correct	0 ms	468 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	0 ms	468 KB	Output is correct
7	Correct	1 ms	468 KB	Output is correct
8	Correct	0 ms	468 KB	Output is correct
9	Correct	1 ms	468 KB	Output is correct

Subtask #2
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	468 KB	Output is correct
2	Correct	1 ms	456 KB	Output is correct
3	Correct	1 ms	468 KB	Output is correct
4	Correct	0 ms	468 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	0 ms	468 KB	Output is correct
7	Correct	1 ms	468 KB	Output is correct
8	Correct	0 ms	468 KB	Output is correct
9	Correct	1 ms	468 KB	Output is correct
10	Correct	1 ms	980 KB	Output is correct
11	Correct	1 ms	972 KB	Output is correct
12	Correct	1 ms	980 KB	Output is correct
13	Correct	1 ms	980 KB	Output is correct
14	Correct	1 ms	980 KB	Output is correct
15	Correct	1 ms	980 KB	Output is correct
16	Correct	1 ms	976 KB	Output is correct
17	Correct	1 ms	980 KB	Output is correct
18	Correct	1 ms	972 KB	Output is correct
19	Correct	1 ms	980 KB	Output is correct
20	Correct	1 ms	980 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	89 ms	4948 KB	Output is correct
2	Correct	92 ms	4900 KB	Output is correct
3	Correct	90 ms	4884 KB	Output is correct
4	Correct	88 ms	4856 KB	Output is correct
5	Correct	93 ms	4944 KB	Output is correct
6	Correct	105 ms	4848 KB	Output is correct
7	Correct	103 ms	4924 KB	Output is correct
8	Correct	106 ms	4848 KB	Output is correct
9	Correct	104 ms	4896 KB	Output is correct
10	Correct	96 ms	4976 KB	Output is correct
11	Correct	97 ms	4908 KB	Output is correct
12	Correct	96 ms	4964 KB	Output is correct

Subtask #4
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	468 KB	Output is correct
2	Correct	1 ms	456 KB	Output is correct
3	Correct	1 ms	468 KB	Output is correct
4	Correct	0 ms	468 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	0 ms	468 KB	Output is correct
7	Correct	1 ms	468 KB	Output is correct
8	Correct	0 ms	468 KB	Output is correct
9	Correct	1 ms	468 KB	Output is correct
10	Correct	1 ms	980 KB	Output is correct
11	Correct	1 ms	972 KB	Output is correct
12	Correct	1 ms	980 KB	Output is correct
13	Correct	1 ms	980 KB	Output is correct
14	Correct	1 ms	980 KB	Output is correct
15	Correct	1 ms	980 KB	Output is correct
16	Correct	1 ms	976 KB	Output is correct
17	Correct	1 ms	980 KB	Output is correct
18	Correct	1 ms	972 KB	Output is correct
19	Correct	1 ms	980 KB	Output is correct
20	Correct	1 ms	980 KB	Output is correct
21	Correct	89 ms	4948 KB	Output is correct
22	Correct	92 ms	4900 KB	Output is correct
23	Correct	90 ms	4884 KB	Output is correct
24	Correct	88 ms	4856 KB	Output is correct
25	Correct	93 ms	4944 KB	Output is correct
26	Correct	105 ms	4848 KB	Output is correct
27	Correct	103 ms	4924 KB	Output is correct
28	Correct	106 ms	4848 KB	Output is correct
29	Correct	104 ms	4896 KB	Output is correct
30	Correct	96 ms	4976 KB	Output is correct
31	Correct	97 ms	4908 KB	Output is correct
32	Correct	96 ms	4964 KB	Output is correct
33	Correct	90 ms	4960 KB	Output is correct
34	Correct	88 ms	4904 KB	Output is correct
35	Correct	88 ms	5016 KB	Output is correct
36	Correct	88 ms	4972 KB	Output is correct
37	Correct	106 ms	4884 KB	Output is correct
38	Correct	104 ms	4948 KB	Output is correct
39	Correct	129 ms	4928 KB	Output is correct
40	Correct	131 ms	4872 KB	Output is correct
41	Correct	116 ms	4872 KB	Output is correct
42	Correct	105 ms	4888 KB	Output is correct
43	Correct	107 ms	4884 KB	Output is correct
44	Correct	119 ms	4896 KB	Output is correct
45	Correct	107 ms	4880 KB	Output is correct
46	Correct	105 ms	4908 KB	Output is correct
47	Correct	126 ms	4932 KB	Output is correct
48	Correct	101 ms	4936 KB	Output is correct
49	Correct	101 ms	4900 KB	Output is correct

Subtask #5
0 / 52.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	468 KB	Output is correct
2	Correct	1 ms	456 KB	Output is correct
3	Correct	1 ms	468 KB	Output is correct
4	Correct	0 ms	468 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	0 ms	468 KB	Output is correct
7	Correct	1 ms	468 KB	Output is correct
8	Correct	0 ms	468 KB	Output is correct
9	Correct	1 ms	468 KB	Output is correct
10	Correct	1 ms	980 KB	Output is correct
11	Correct	1 ms	972 KB	Output is correct
12	Correct	1 ms	980 KB	Output is correct
13	Correct	1 ms	980 KB	Output is correct
14	Correct	1 ms	980 KB	Output is correct
15	Correct	1 ms	980 KB	Output is correct
16	Correct	1 ms	976 KB	Output is correct
17	Correct	1 ms	980 KB	Output is correct
18	Correct	1 ms	972 KB	Output is correct
19	Correct	1 ms	980 KB	Output is correct
20	Correct	1 ms	980 KB	Output is correct
21	Correct	89 ms	4948 KB	Output is correct
22	Correct	92 ms	4900 KB	Output is correct
23	Correct	90 ms	4884 KB	Output is correct
24	Correct	88 ms	4856 KB	Output is correct
25	Correct	93 ms	4944 KB	Output is correct
26	Correct	105 ms	4848 KB	Output is correct
27	Correct	103 ms	4924 KB	Output is correct
28	Correct	106 ms	4848 KB	Output is correct
29	Correct	104 ms	4896 KB	Output is correct
30	Correct	96 ms	4976 KB	Output is correct
31	Correct	97 ms	4908 KB	Output is correct
32	Correct	96 ms	4964 KB	Output is correct
33	Correct	90 ms	4960 KB	Output is correct
34	Correct	88 ms	4904 KB	Output is correct
35	Correct	88 ms	5016 KB	Output is correct
36	Correct	88 ms	4972 KB	Output is correct
37	Correct	106 ms	4884 KB	Output is correct
38	Correct	104 ms	4948 KB	Output is correct
39	Correct	129 ms	4928 KB	Output is correct
40	Correct	131 ms	4872 KB	Output is correct
41	Correct	116 ms	4872 KB	Output is correct
42	Correct	105 ms	4888 KB	Output is correct
43	Correct	107 ms	4884 KB	Output is correct
44	Correct	119 ms	4896 KB	Output is correct
45	Correct	107 ms	4880 KB	Output is correct
46	Correct	105 ms	4908 KB	Output is correct
47	Correct	126 ms	4932 KB	Output is correct
48	Correct	101 ms	4936 KB	Output is correct
49	Correct	101 ms	4900 KB	Output is correct
50	Execution timed out	1082 ms	13340 KB	Time limit exceeded
51	Halted	0 ms	0 KB	-

답안 #676176

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 11.0 / 11.0

Subtask #3 13.0 / 13.0

Subtask #4 15.0 / 15.0

Subtask #5 0 / 52.0

Subtask #1
9.0 / 9.0

Subtask #2
11.0 / 11.0

Subtask #3
13.0 / 13.0

Subtask #4
15.0 / 15.0

Subtask #5
0 / 52.0