# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
520616 |
2022-01-30T10:47:56 Z |
Vimmer |
Cigle (COI21_cigle) |
C++14 |
|
1000 ms |
414676 KB |
#include <bits/stdc++.h>
#define in(x) freopen(x, "r", stdin)
#define out(x) freopen(x, "w", stdout)
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("-O3")
#define F first
#define S second
#define PB push_back
#define M ll(1e9 + 7)
#define sz(x) (ll)x.size()
#define N 1000500
#define pri(x) cout << x << endl
#define endl '\n'
#define all(x) (x).begin(), (x).end()
#define _ << " " <<
using namespace std;
//typedef tree <ll, null_type, less_equal <ll> , rb_tree_tag, tree_order_statistics_node_update> ordered_set;
//using namespace __gnu_pbds;
typedef long long ll;
typedef long double ld;
typedef short int si;
typedef unsigned long long ull;
int f[5005][5005][2];
vector <int> was[5005];
int pr[5005], now[5005][5005][2];
int main()
{
istream::sync_with_stdio(0); ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
memset(f, -1, sizeof f);
int n;
cin >> n;
int a[n], ans = 0;
for (int i = 0; i < n; i++)
cin >> a[i];
for (int i = 0; i < n; i++)
{
pr[i] = a[i];
if (i)
pr[i] += pr[i - 1];
}
for (int l = 0; l < n; l++)
{
int sum = 0;
for (int r = l; r < n; r++)
{
sum += a[r];
int L = r + 1, R = n - 1;
while (L < R)
{
int md = (L + R) >> 1;
if (pr[md] - pr[r] >= sum)
R = md;
else L = md + 1;
}
if (pr[L] - pr[r] == sum)
{
was[r].PB(L);
}
}
}
for (int i = 0; i < n; i++)
sort(all(was[i]));
memset(now, -1, sizeof now);
for (int i = 0; i < n; i++)
f[0][i][0] = 0;
for (int r = 0; r < n; r++)
for (int l = 0; l <= r; l++)
for (int t = 0; t < 2; t++)
{
if (r)
now[l][r][t] = max(now[l][r][t], now[l][r - 1][t]);
f[l][r][t] = max(f[l][r][t], now[l][r][t]);
if (f[l][r][t] != -1)
{
int kl = f[l][r][t];
int sm = pr[r], cur = 0;
if (l)
sm -= pr[l - 1];
int i = 0, bn = 0;
for (int nw = r + 1; nw < n; nw++)
{
cur += a[nw];
if (bn)
{
kl++;
bn = 0;
}
while (i < sz(was[r]) && was[r][i] == nw)
{
bn = 1;
i++;
}
f[r + 1][nw][t ^ 1] = max(f[r + 1][nw][t ^ 1], kl);
ans = max(ans, kl);
if (sm <= cur)
{
now[r + 1][nw][t ^ 1] = max(now[r + 1][nw][t ^ 1], kl);
break;
}
}
}
}
pri(ans);
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
167 ms |
392500 KB |
Output is correct |
2 |
Correct |
147 ms |
392520 KB |
Output is correct |
3 |
Correct |
148 ms |
392544 KB |
Output is correct |
4 |
Correct |
148 ms |
392700 KB |
Output is correct |
5 |
Correct |
147 ms |
392492 KB |
Output is correct |
6 |
Correct |
168 ms |
392532 KB |
Output is correct |
7 |
Correct |
153 ms |
392476 KB |
Output is correct |
8 |
Correct |
167 ms |
392540 KB |
Output is correct |
9 |
Correct |
147 ms |
392584 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
167 ms |
392500 KB |
Output is correct |
2 |
Correct |
147 ms |
392520 KB |
Output is correct |
3 |
Correct |
148 ms |
392544 KB |
Output is correct |
4 |
Correct |
148 ms |
392700 KB |
Output is correct |
5 |
Correct |
147 ms |
392492 KB |
Output is correct |
6 |
Correct |
168 ms |
392532 KB |
Output is correct |
7 |
Correct |
153 ms |
392476 KB |
Output is correct |
8 |
Correct |
167 ms |
392540 KB |
Output is correct |
9 |
Correct |
147 ms |
392584 KB |
Output is correct |
10 |
Correct |
151 ms |
392544 KB |
Output is correct |
11 |
Correct |
150 ms |
392516 KB |
Output is correct |
12 |
Correct |
147 ms |
392544 KB |
Output is correct |
13 |
Correct |
150 ms |
392552 KB |
Output is correct |
14 |
Correct |
154 ms |
392684 KB |
Output is correct |
15 |
Correct |
147 ms |
392636 KB |
Output is correct |
16 |
Correct |
163 ms |
392516 KB |
Output is correct |
17 |
Correct |
146 ms |
392504 KB |
Output is correct |
18 |
Correct |
155 ms |
392508 KB |
Output is correct |
19 |
Correct |
151 ms |
392516 KB |
Output is correct |
20 |
Correct |
146 ms |
392576 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
196 ms |
392724 KB |
Output is correct |
2 |
Correct |
209 ms |
392972 KB |
Output is correct |
3 |
Correct |
194 ms |
392808 KB |
Output is correct |
4 |
Correct |
206 ms |
392792 KB |
Output is correct |
5 |
Correct |
207 ms |
392848 KB |
Output is correct |
6 |
Correct |
213 ms |
392740 KB |
Output is correct |
7 |
Correct |
208 ms |
392732 KB |
Output is correct |
8 |
Correct |
216 ms |
392844 KB |
Output is correct |
9 |
Correct |
216 ms |
392844 KB |
Output is correct |
10 |
Correct |
208 ms |
392820 KB |
Output is correct |
11 |
Correct |
224 ms |
392812 KB |
Output is correct |
12 |
Correct |
211 ms |
392772 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
167 ms |
392500 KB |
Output is correct |
2 |
Correct |
147 ms |
392520 KB |
Output is correct |
3 |
Correct |
148 ms |
392544 KB |
Output is correct |
4 |
Correct |
148 ms |
392700 KB |
Output is correct |
5 |
Correct |
147 ms |
392492 KB |
Output is correct |
6 |
Correct |
168 ms |
392532 KB |
Output is correct |
7 |
Correct |
153 ms |
392476 KB |
Output is correct |
8 |
Correct |
167 ms |
392540 KB |
Output is correct |
9 |
Correct |
147 ms |
392584 KB |
Output is correct |
10 |
Correct |
151 ms |
392544 KB |
Output is correct |
11 |
Correct |
150 ms |
392516 KB |
Output is correct |
12 |
Correct |
147 ms |
392544 KB |
Output is correct |
13 |
Correct |
150 ms |
392552 KB |
Output is correct |
14 |
Correct |
154 ms |
392684 KB |
Output is correct |
15 |
Correct |
147 ms |
392636 KB |
Output is correct |
16 |
Correct |
163 ms |
392516 KB |
Output is correct |
17 |
Correct |
146 ms |
392504 KB |
Output is correct |
18 |
Correct |
155 ms |
392508 KB |
Output is correct |
19 |
Correct |
151 ms |
392516 KB |
Output is correct |
20 |
Correct |
146 ms |
392576 KB |
Output is correct |
21 |
Correct |
196 ms |
392724 KB |
Output is correct |
22 |
Correct |
209 ms |
392972 KB |
Output is correct |
23 |
Correct |
194 ms |
392808 KB |
Output is correct |
24 |
Correct |
206 ms |
392792 KB |
Output is correct |
25 |
Correct |
207 ms |
392848 KB |
Output is correct |
26 |
Correct |
213 ms |
392740 KB |
Output is correct |
27 |
Correct |
208 ms |
392732 KB |
Output is correct |
28 |
Correct |
216 ms |
392844 KB |
Output is correct |
29 |
Correct |
216 ms |
392844 KB |
Output is correct |
30 |
Correct |
208 ms |
392820 KB |
Output is correct |
31 |
Correct |
224 ms |
392812 KB |
Output is correct |
32 |
Correct |
211 ms |
392772 KB |
Output is correct |
33 |
Correct |
221 ms |
392764 KB |
Output is correct |
34 |
Correct |
197 ms |
392808 KB |
Output is correct |
35 |
Correct |
201 ms |
392748 KB |
Output is correct |
36 |
Correct |
199 ms |
392844 KB |
Output is correct |
37 |
Correct |
206 ms |
392836 KB |
Output is correct |
38 |
Correct |
221 ms |
392936 KB |
Output is correct |
39 |
Correct |
203 ms |
392604 KB |
Output is correct |
40 |
Correct |
186 ms |
392592 KB |
Output is correct |
41 |
Correct |
199 ms |
392744 KB |
Output is correct |
42 |
Correct |
214 ms |
392644 KB |
Output is correct |
43 |
Correct |
204 ms |
392572 KB |
Output is correct |
44 |
Correct |
183 ms |
392496 KB |
Output is correct |
45 |
Correct |
190 ms |
392516 KB |
Output is correct |
46 |
Correct |
190 ms |
392588 KB |
Output is correct |
47 |
Correct |
188 ms |
392592 KB |
Output is correct |
48 |
Correct |
195 ms |
392608 KB |
Output is correct |
49 |
Correct |
189 ms |
392556 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
167 ms |
392500 KB |
Output is correct |
2 |
Correct |
147 ms |
392520 KB |
Output is correct |
3 |
Correct |
148 ms |
392544 KB |
Output is correct |
4 |
Correct |
148 ms |
392700 KB |
Output is correct |
5 |
Correct |
147 ms |
392492 KB |
Output is correct |
6 |
Correct |
168 ms |
392532 KB |
Output is correct |
7 |
Correct |
153 ms |
392476 KB |
Output is correct |
8 |
Correct |
167 ms |
392540 KB |
Output is correct |
9 |
Correct |
147 ms |
392584 KB |
Output is correct |
10 |
Correct |
151 ms |
392544 KB |
Output is correct |
11 |
Correct |
150 ms |
392516 KB |
Output is correct |
12 |
Correct |
147 ms |
392544 KB |
Output is correct |
13 |
Correct |
150 ms |
392552 KB |
Output is correct |
14 |
Correct |
154 ms |
392684 KB |
Output is correct |
15 |
Correct |
147 ms |
392636 KB |
Output is correct |
16 |
Correct |
163 ms |
392516 KB |
Output is correct |
17 |
Correct |
146 ms |
392504 KB |
Output is correct |
18 |
Correct |
155 ms |
392508 KB |
Output is correct |
19 |
Correct |
151 ms |
392516 KB |
Output is correct |
20 |
Correct |
146 ms |
392576 KB |
Output is correct |
21 |
Correct |
196 ms |
392724 KB |
Output is correct |
22 |
Correct |
209 ms |
392972 KB |
Output is correct |
23 |
Correct |
194 ms |
392808 KB |
Output is correct |
24 |
Correct |
206 ms |
392792 KB |
Output is correct |
25 |
Correct |
207 ms |
392848 KB |
Output is correct |
26 |
Correct |
213 ms |
392740 KB |
Output is correct |
27 |
Correct |
208 ms |
392732 KB |
Output is correct |
28 |
Correct |
216 ms |
392844 KB |
Output is correct |
29 |
Correct |
216 ms |
392844 KB |
Output is correct |
30 |
Correct |
208 ms |
392820 KB |
Output is correct |
31 |
Correct |
224 ms |
392812 KB |
Output is correct |
32 |
Correct |
211 ms |
392772 KB |
Output is correct |
33 |
Correct |
221 ms |
392764 KB |
Output is correct |
34 |
Correct |
197 ms |
392808 KB |
Output is correct |
35 |
Correct |
201 ms |
392748 KB |
Output is correct |
36 |
Correct |
199 ms |
392844 KB |
Output is correct |
37 |
Correct |
206 ms |
392836 KB |
Output is correct |
38 |
Correct |
221 ms |
392936 KB |
Output is correct |
39 |
Correct |
203 ms |
392604 KB |
Output is correct |
40 |
Correct |
186 ms |
392592 KB |
Output is correct |
41 |
Correct |
199 ms |
392744 KB |
Output is correct |
42 |
Correct |
214 ms |
392644 KB |
Output is correct |
43 |
Correct |
204 ms |
392572 KB |
Output is correct |
44 |
Correct |
183 ms |
392496 KB |
Output is correct |
45 |
Correct |
190 ms |
392516 KB |
Output is correct |
46 |
Correct |
190 ms |
392588 KB |
Output is correct |
47 |
Correct |
188 ms |
392592 KB |
Output is correct |
48 |
Correct |
195 ms |
392608 KB |
Output is correct |
49 |
Correct |
189 ms |
392556 KB |
Output is correct |
50 |
Execution timed out |
1104 ms |
414676 KB |
Time limit exceeded |
51 |
Halted |
0 ms |
0 KB |
- |