| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 570046 |
2022-05-28T13:39:27 Z |
jcelin |
Cigle (COI21_cigle) |
C++14 |
|
248 ms |
67396 KB |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef unsigned int ui;
#define ii pair<int,int>
#define pll pair<ll,ll>
#define vi vector<int>
#define vii vector<ii>
#define vll vector<ll>
#define vpll vector<pll>
#define matrix vector<vi>
#define matrixLL vector<vLL>
#define vs vector<string>
#define vui vector<ui>
#define msi multiset<int>
#define mss multiset<string>
#define si set<int>
#define ss set<string>
#define PB push_back
#define PF push_front
#define PPB pop_back
#define PPF pop_front
#define X first
#define Y second
#define MP make_pair
#define FOR(i, a, b) for (int i = int(a); i < int(b); i++)
#define REP(i, n) FOR(i, 0, n)
#define all(x) (x).begin(), (x).end()
const int dx[] = {-1, 1, 0, 0};
const int dy[] = {0, 0, -1, 1};
const int dxx[] = {-1, 1, 0, 0, 1, 1, -1, -1};
const int dyy[] = {0, 0, -1, 1, -1, 1, -1, 1};
const string abc="abcdefghijklmnopqrstuvwxyz";
const string ABC="ABCDEFGHIJKLMNOPQRSTUVWXYZ";
const ld pi = 3.14159265;
const int mod = 1e9 + 7;
const int MOD = 1e9 + 7;
const int N = 5e3 + 7;
const int inf = mod;
const ll INF = 1e18;
const ll zero = ll(0);
const int logo = 20;
const int off = 1 << logo;
const int trsz = off << 1;
int aa[N + 1], dp[N + 1][N + 1], dq[N + 1];
void solve(){
int n, ans;
cin >> n;
for(int i=1; i<=n; i++) cin >> aa[i], aa[i] += aa[i - 1];
for(int i=1; i<=n; i++) dp[0][i] = 0;
for(int j=1; j<=n; j++){
for(int i=0; i<j; i++) dq[i] = dp[i][j];
for(int i=1; i<j; i++) dq[i] = max(dq[i], dq[i-1]);
int x=0, c = 0;
for(int i=j-1, k=j+1; k<=n; k++){
dp[j][k] = x;
while(i >= 0 and aa[i] + aa[k] > aa[j] * 2) i--;
if(i > 0 and aa[i] + aa[k] == aa[j] * 2) x = max(x, dq[i - 1] + (++c));
}
}
ans = 0;
for(int i=0; i<n; i++) ans = max(ans, dp[i][n]);
cout << ans << "\n";
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
int t=1;
//cin >> t;
while(t--)solve();
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
324 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
324 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
324 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
324 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
596 KB |
Output is correct |
| 11 |
Correct |
1 ms |
596 KB |
Output is correct |
| 12 |
Correct |
1 ms |
596 KB |
Output is correct |
| 13 |
Correct |
1 ms |
588 KB |
Output is correct |
| 14 |
Correct |
1 ms |
596 KB |
Output is correct |
| 15 |
Correct |
1 ms |
580 KB |
Output is correct |
| 16 |
Correct |
1 ms |
596 KB |
Output is correct |
| 17 |
Correct |
1 ms |
596 KB |
Output is correct |
| 18 |
Correct |
1 ms |
596 KB |
Output is correct |
| 19 |
Correct |
1 ms |
596 KB |
Output is correct |
| 20 |
Correct |
1 ms |
584 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 2 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 3 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 4 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 5 |
Correct |
2 ms |
2756 KB |
Output is correct |
| 6 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 7 |
Correct |
3 ms |
2756 KB |
Output is correct |
| 8 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 9 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 10 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 11 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 12 |
Correct |
3 ms |
2772 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
324 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
324 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
596 KB |
Output is correct |
| 11 |
Correct |
1 ms |
596 KB |
Output is correct |
| 12 |
Correct |
1 ms |
596 KB |
Output is correct |
| 13 |
Correct |
1 ms |
588 KB |
Output is correct |
| 14 |
Correct |
1 ms |
596 KB |
Output is correct |
| 15 |
Correct |
1 ms |
580 KB |
Output is correct |
| 16 |
Correct |
1 ms |
596 KB |
Output is correct |
| 17 |
Correct |
1 ms |
596 KB |
Output is correct |
| 18 |
Correct |
1 ms |
596 KB |
Output is correct |
| 19 |
Correct |
1 ms |
596 KB |
Output is correct |
| 20 |
Correct |
1 ms |
584 KB |
Output is correct |
| 21 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 22 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 23 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 24 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 25 |
Correct |
2 ms |
2756 KB |
Output is correct |
| 26 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 27 |
Correct |
3 ms |
2756 KB |
Output is correct |
| 28 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 29 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 30 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 31 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 32 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 33 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 34 |
Correct |
4 ms |
2772 KB |
Output is correct |
| 35 |
Correct |
3 ms |
2764 KB |
Output is correct |
| 36 |
Correct |
2 ms |
2756 KB |
Output is correct |
| 37 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 38 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 39 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 40 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 41 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 42 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 43 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 44 |
Correct |
4 ms |
2772 KB |
Output is correct |
| 45 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 46 |
Correct |
2 ms |
2764 KB |
Output is correct |
| 47 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 48 |
Correct |
3 ms |
2756 KB |
Output is correct |
| 49 |
Correct |
3 ms |
2756 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
324 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
324 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
596 KB |
Output is correct |
| 11 |
Correct |
1 ms |
596 KB |
Output is correct |
| 12 |
Correct |
1 ms |
596 KB |
Output is correct |
| 13 |
Correct |
1 ms |
588 KB |
Output is correct |
| 14 |
Correct |
1 ms |
596 KB |
Output is correct |
| 15 |
Correct |
1 ms |
580 KB |
Output is correct |
| 16 |
Correct |
1 ms |
596 KB |
Output is correct |
| 17 |
Correct |
1 ms |
596 KB |
Output is correct |
| 18 |
Correct |
1 ms |
596 KB |
Output is correct |
| 19 |
Correct |
1 ms |
596 KB |
Output is correct |
| 20 |
Correct |
1 ms |
584 KB |
Output is correct |
| 21 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 22 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 23 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 24 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 25 |
Correct |
2 ms |
2756 KB |
Output is correct |
| 26 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 27 |
Correct |
3 ms |
2756 KB |
Output is correct |
| 28 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 29 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 30 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 31 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 32 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 33 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 34 |
Correct |
4 ms |
2772 KB |
Output is correct |
| 35 |
Correct |
3 ms |
2764 KB |
Output is correct |
| 36 |
Correct |
2 ms |
2756 KB |
Output is correct |
| 37 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 38 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 39 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 40 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 41 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 42 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 43 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 44 |
Correct |
4 ms |
2772 KB |
Output is correct |
| 45 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 46 |
Correct |
2 ms |
2764 KB |
Output is correct |
| 47 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 48 |
Correct |
3 ms |
2756 KB |
Output is correct |
| 49 |
Correct |
3 ms |
2756 KB |
Output is correct |
| 50 |
Correct |
188 ms |
67352 KB |
Output is correct |
| 51 |
Correct |
206 ms |
67272 KB |
Output is correct |
| 52 |
Correct |
202 ms |
67316 KB |
Output is correct |
| 53 |
Correct |
191 ms |
67328 KB |
Output is correct |
| 54 |
Correct |
210 ms |
67344 KB |
Output is correct |
| 55 |
Correct |
188 ms |
67296 KB |
Output is correct |
| 56 |
Correct |
242 ms |
67396 KB |
Output is correct |
| 57 |
Correct |
247 ms |
67328 KB |
Output is correct |
| 58 |
Correct |
240 ms |
67224 KB |
Output is correct |
| 59 |
Correct |
243 ms |
67396 KB |
Output is correct |
| 60 |
Correct |
231 ms |
67268 KB |
Output is correct |
| 61 |
Correct |
216 ms |
67300 KB |
Output is correct |
| 62 |
Correct |
221 ms |
67276 KB |
Output is correct |
| 63 |
Correct |
198 ms |
67336 KB |
Output is correct |
| 64 |
Correct |
215 ms |
67292 KB |
Output is correct |
| 65 |
Correct |
207 ms |
67328 KB |
Output is correct |
| 66 |
Correct |
219 ms |
67280 KB |
Output is correct |
| 67 |
Correct |
207 ms |
67272 KB |
Output is correct |
| 68 |
Correct |
206 ms |
67276 KB |
Output is correct |
| 69 |
Correct |
229 ms |
67268 KB |
Output is correct |
| 70 |
Correct |
233 ms |
67276 KB |
Output is correct |
| 71 |
Correct |
248 ms |
67256 KB |
Output is correct |
| 72 |
Correct |
217 ms |
67240 KB |
Output is correct |
