# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
520621 |
2022-01-30T10:54:27 Z |
Vimmer |
Cigle (COI21_cigle) |
C++14 |
|
1000 ms |
218260 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;
si f[5001][5001][2];
vector <int> was[5001];
int pr[5001];
si now[5001][5001][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];
si 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)
{
si kl = f[l][r][t];
int sm = pr[r], cur = 0;
if (l)
sm -= pr[l - 1];
for (auto nw : was[r])
{
cur = pr[nw] - pr[r];
if (cur >= sm)
{
now[r + 1][nw][t ^ 1] = max(now[r + 1][nw][t ^ 1], si(kl));
break;
}
else
{
if (nw != n - 1)
{
kl++;
now[r + 1][nw + 1][t ^ 1] = max(now[r + 1][nw + 1][t ^ 1], si(kl));
}
ans = max(ans, kl);
}
}
}
}
pri(ans);
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
70 ms |
196080 KB |
Output is correct |
2 |
Correct |
70 ms |
196156 KB |
Output is correct |
3 |
Correct |
71 ms |
196096 KB |
Output is correct |
4 |
Correct |
70 ms |
196092 KB |
Output is correct |
5 |
Correct |
73 ms |
196180 KB |
Output is correct |
6 |
Correct |
70 ms |
196144 KB |
Output is correct |
7 |
Correct |
71 ms |
196180 KB |
Output is correct |
8 |
Correct |
71 ms |
196152 KB |
Output is correct |
9 |
Correct |
70 ms |
196184 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
70 ms |
196080 KB |
Output is correct |
2 |
Correct |
70 ms |
196156 KB |
Output is correct |
3 |
Correct |
71 ms |
196096 KB |
Output is correct |
4 |
Correct |
70 ms |
196092 KB |
Output is correct |
5 |
Correct |
73 ms |
196180 KB |
Output is correct |
6 |
Correct |
70 ms |
196144 KB |
Output is correct |
7 |
Correct |
71 ms |
196180 KB |
Output is correct |
8 |
Correct |
71 ms |
196152 KB |
Output is correct |
9 |
Correct |
70 ms |
196184 KB |
Output is correct |
10 |
Correct |
72 ms |
196092 KB |
Output is correct |
11 |
Correct |
71 ms |
196160 KB |
Output is correct |
12 |
Correct |
71 ms |
196160 KB |
Output is correct |
13 |
Correct |
74 ms |
196128 KB |
Output is correct |
14 |
Correct |
72 ms |
196160 KB |
Output is correct |
15 |
Correct |
71 ms |
196184 KB |
Output is correct |
16 |
Correct |
76 ms |
196164 KB |
Output is correct |
17 |
Correct |
70 ms |
196060 KB |
Output is correct |
18 |
Correct |
70 ms |
196076 KB |
Output is correct |
19 |
Correct |
72 ms |
196100 KB |
Output is correct |
20 |
Correct |
70 ms |
196184 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
127 ms |
196340 KB |
Output is correct |
2 |
Correct |
156 ms |
196544 KB |
Output is correct |
3 |
Correct |
134 ms |
196400 KB |
Output is correct |
4 |
Correct |
140 ms |
196364 KB |
Output is correct |
5 |
Correct |
141 ms |
196400 KB |
Output is correct |
6 |
Correct |
148 ms |
196456 KB |
Output is correct |
7 |
Correct |
141 ms |
196420 KB |
Output is correct |
8 |
Correct |
140 ms |
196420 KB |
Output is correct |
9 |
Correct |
140 ms |
196368 KB |
Output is correct |
10 |
Correct |
141 ms |
196420 KB |
Output is correct |
11 |
Correct |
132 ms |
196360 KB |
Output is correct |
12 |
Correct |
140 ms |
196292 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
70 ms |
196080 KB |
Output is correct |
2 |
Correct |
70 ms |
196156 KB |
Output is correct |
3 |
Correct |
71 ms |
196096 KB |
Output is correct |
4 |
Correct |
70 ms |
196092 KB |
Output is correct |
5 |
Correct |
73 ms |
196180 KB |
Output is correct |
6 |
Correct |
70 ms |
196144 KB |
Output is correct |
7 |
Correct |
71 ms |
196180 KB |
Output is correct |
8 |
Correct |
71 ms |
196152 KB |
Output is correct |
9 |
Correct |
70 ms |
196184 KB |
Output is correct |
10 |
Correct |
72 ms |
196092 KB |
Output is correct |
11 |
Correct |
71 ms |
196160 KB |
Output is correct |
12 |
Correct |
71 ms |
196160 KB |
Output is correct |
13 |
Correct |
74 ms |
196128 KB |
Output is correct |
14 |
Correct |
72 ms |
196160 KB |
Output is correct |
15 |
Correct |
71 ms |
196184 KB |
Output is correct |
16 |
Correct |
76 ms |
196164 KB |
Output is correct |
17 |
Correct |
70 ms |
196060 KB |
Output is correct |
18 |
Correct |
70 ms |
196076 KB |
Output is correct |
19 |
Correct |
72 ms |
196100 KB |
Output is correct |
20 |
Correct |
70 ms |
196184 KB |
Output is correct |
21 |
Correct |
127 ms |
196340 KB |
Output is correct |
22 |
Correct |
156 ms |
196544 KB |
Output is correct |
23 |
Correct |
134 ms |
196400 KB |
Output is correct |
24 |
Correct |
140 ms |
196364 KB |
Output is correct |
25 |
Correct |
141 ms |
196400 KB |
Output is correct |
26 |
Correct |
148 ms |
196456 KB |
Output is correct |
27 |
Correct |
141 ms |
196420 KB |
Output is correct |
28 |
Correct |
140 ms |
196420 KB |
Output is correct |
29 |
Correct |
140 ms |
196368 KB |
Output is correct |
30 |
Correct |
141 ms |
196420 KB |
Output is correct |
31 |
Correct |
132 ms |
196360 KB |
Output is correct |
32 |
Correct |
140 ms |
196292 KB |
Output is correct |
33 |
Correct |
125 ms |
196296 KB |
Output is correct |
34 |
Correct |
135 ms |
196348 KB |
Output is correct |
35 |
Correct |
138 ms |
196296 KB |
Output is correct |
36 |
Correct |
145 ms |
196540 KB |
Output is correct |
37 |
Correct |
141 ms |
196440 KB |
Output is correct |
38 |
Correct |
140 ms |
196396 KB |
Output is correct |
39 |
Correct |
102 ms |
196344 KB |
Output is correct |
40 |
Correct |
77 ms |
196216 KB |
Output is correct |
41 |
Correct |
76 ms |
196136 KB |
Output is correct |
42 |
Correct |
78 ms |
196084 KB |
Output is correct |
43 |
Correct |
77 ms |
196084 KB |
Output is correct |
44 |
Correct |
76 ms |
196104 KB |
Output is correct |
45 |
Correct |
77 ms |
196164 KB |
Output is correct |
46 |
Correct |
78 ms |
196168 KB |
Output is correct |
47 |
Correct |
73 ms |
196140 KB |
Output is correct |
48 |
Correct |
77 ms |
196116 KB |
Output is correct |
49 |
Correct |
78 ms |
196144 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
70 ms |
196080 KB |
Output is correct |
2 |
Correct |
70 ms |
196156 KB |
Output is correct |
3 |
Correct |
71 ms |
196096 KB |
Output is correct |
4 |
Correct |
70 ms |
196092 KB |
Output is correct |
5 |
Correct |
73 ms |
196180 KB |
Output is correct |
6 |
Correct |
70 ms |
196144 KB |
Output is correct |
7 |
Correct |
71 ms |
196180 KB |
Output is correct |
8 |
Correct |
71 ms |
196152 KB |
Output is correct |
9 |
Correct |
70 ms |
196184 KB |
Output is correct |
10 |
Correct |
72 ms |
196092 KB |
Output is correct |
11 |
Correct |
71 ms |
196160 KB |
Output is correct |
12 |
Correct |
71 ms |
196160 KB |
Output is correct |
13 |
Correct |
74 ms |
196128 KB |
Output is correct |
14 |
Correct |
72 ms |
196160 KB |
Output is correct |
15 |
Correct |
71 ms |
196184 KB |
Output is correct |
16 |
Correct |
76 ms |
196164 KB |
Output is correct |
17 |
Correct |
70 ms |
196060 KB |
Output is correct |
18 |
Correct |
70 ms |
196076 KB |
Output is correct |
19 |
Correct |
72 ms |
196100 KB |
Output is correct |
20 |
Correct |
70 ms |
196184 KB |
Output is correct |
21 |
Correct |
127 ms |
196340 KB |
Output is correct |
22 |
Correct |
156 ms |
196544 KB |
Output is correct |
23 |
Correct |
134 ms |
196400 KB |
Output is correct |
24 |
Correct |
140 ms |
196364 KB |
Output is correct |
25 |
Correct |
141 ms |
196400 KB |
Output is correct |
26 |
Correct |
148 ms |
196456 KB |
Output is correct |
27 |
Correct |
141 ms |
196420 KB |
Output is correct |
28 |
Correct |
140 ms |
196420 KB |
Output is correct |
29 |
Correct |
140 ms |
196368 KB |
Output is correct |
30 |
Correct |
141 ms |
196420 KB |
Output is correct |
31 |
Correct |
132 ms |
196360 KB |
Output is correct |
32 |
Correct |
140 ms |
196292 KB |
Output is correct |
33 |
Correct |
125 ms |
196296 KB |
Output is correct |
34 |
Correct |
135 ms |
196348 KB |
Output is correct |
35 |
Correct |
138 ms |
196296 KB |
Output is correct |
36 |
Correct |
145 ms |
196540 KB |
Output is correct |
37 |
Correct |
141 ms |
196440 KB |
Output is correct |
38 |
Correct |
140 ms |
196396 KB |
Output is correct |
39 |
Correct |
102 ms |
196344 KB |
Output is correct |
40 |
Correct |
77 ms |
196216 KB |
Output is correct |
41 |
Correct |
76 ms |
196136 KB |
Output is correct |
42 |
Correct |
78 ms |
196084 KB |
Output is correct |
43 |
Correct |
77 ms |
196084 KB |
Output is correct |
44 |
Correct |
76 ms |
196104 KB |
Output is correct |
45 |
Correct |
77 ms |
196164 KB |
Output is correct |
46 |
Correct |
78 ms |
196168 KB |
Output is correct |
47 |
Correct |
73 ms |
196140 KB |
Output is correct |
48 |
Correct |
77 ms |
196116 KB |
Output is correct |
49 |
Correct |
78 ms |
196144 KB |
Output is correct |
50 |
Execution timed out |
1096 ms |
218260 KB |
Time limit exceeded |
51 |
Halted |
0 ms |
0 KB |
- |