| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 820220 |
2023-08-11T01:38:06 Z |
Zanite |
Exam (eJOI20_exam) |
C++17 |
|
557 ms |
295416 KB |
#include <bits/stdc++.h>
using namespace std;
const int iINF = 1e9;
const int maxN = 5023;
int N, M, A[maxN], B[maxN];
vector<int> compress;
int dp[maxN][maxN], mx[maxN][maxN], pf[maxN][maxN];
int main() {
ios_base::sync_with_stdio(false); cin.tie(NULL);
cin >> N;
for (int i = 1; i <= N; i++) {
cin >> A[i];
compress.push_back(A[i]);
}
for (int i = 1; i <= N; i++) {
cin >> B[i];
compress.push_back(B[i]);
}
sort(compress.begin(), compress.end());
compress.erase(unique(compress.begin(), compress.end()), compress.end());
M = compress.size();
for (int i = 1; i <= N; i++) {
A[i] = lower_bound(compress.begin(), compress.end(), A[i]) - compress.begin() + 1;
B[i] = lower_bound(compress.begin(), compress.end(), B[i]) - compress.begin() + 1;
}
for (int l = 1; l <= N; l++) {
mx[l][l] = A[l];
for (int r = l+1; r <= N; r++) {
mx[l][r] = max(mx[l][r-1], A[r]);
mx[r][l] = mx[l][r];
}
}
for (int i = 1; i <= N; i++) {
for (int val = 1; val <= N; val++) {
pf[i][val] = -iINF;
}
}
pf[0][0] = 0;
for (int i = 1; i <= N; i++) {
for (int val = 1; val <= N; val++) {
if (mx[val][i] == A[val]) {
dp[i][val] = pf[i-1][val] + (B[i] == A[val]);
// cout << "dp[" << i << "][" << val << "] = " << dp[i][val] << '\n';
} else {
dp[i][val] = -iINF;
}
pf[i][val] = max(pf[i][val-1], dp[i][val]);
}
}
int ans = pf[N][N];
cout << ans << '\n';
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
0 ms |
332 KB |
Output is correct |
| 3 |
Correct |
0 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
468 KB |
Output is correct |
| 5 |
Correct |
0 ms |
468 KB |
Output is correct |
| 6 |
Correct |
0 ms |
468 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
17 ms |
24180 KB |
Output is correct |
| 2 |
Runtime error |
7 ms |
852 KB |
Execution killed with signal 11 |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
468 KB |
Output is correct |
| 2 |
Correct |
4 ms |
9300 KB |
Output is correct |
| 3 |
Correct |
57 ms |
71500 KB |
Output is correct |
| 4 |
Correct |
408 ms |
283568 KB |
Output is correct |
| 5 |
Correct |
552 ms |
295288 KB |
Output is correct |
| 6 |
Correct |
540 ms |
295404 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
552 ms |
295396 KB |
Output is correct |
| 2 |
Runtime error |
6 ms |
852 KB |
Execution killed with signal 11 |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
0 ms |
332 KB |
Output is correct |
| 3 |
Correct |
0 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
468 KB |
Output is correct |
| 5 |
Correct |
0 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 |
1 ms |
852 KB |
Output is correct |
| 9 |
Correct |
1 ms |
1620 KB |
Output is correct |
| 10 |
Correct |
2 ms |
3156 KB |
Output is correct |
| 11 |
Correct |
2 ms |
3156 KB |
Output is correct |
| 12 |
Correct |
2 ms |
3156 KB |
Output is correct |
| 13 |
Correct |
2 ms |
3184 KB |
Output is correct |
| 14 |
Correct |
2 ms |
3156 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
0 ms |
332 KB |
Output is correct |
| 3 |
Correct |
0 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
468 KB |
Output is correct |
| 5 |
Correct |
0 ms |
468 KB |
Output is correct |
| 6 |
Correct |
0 ms |
468 KB |
Output is correct |
| 7 |
Correct |
0 ms |
468 KB |
Output is correct |
| 8 |
Correct |
4 ms |
9300 KB |
Output is correct |
| 9 |
Correct |
57 ms |
71500 KB |
Output is correct |
| 10 |
Correct |
408 ms |
283568 KB |
Output is correct |
| 11 |
Correct |
552 ms |
295288 KB |
Output is correct |
| 12 |
Correct |
540 ms |
295404 KB |
Output is correct |
| 13 |
Correct |
1 ms |
468 KB |
Output is correct |
| 14 |
Correct |
1 ms |
852 KB |
Output is correct |
| 15 |
Correct |
1 ms |
1620 KB |
Output is correct |
| 16 |
Correct |
2 ms |
3156 KB |
Output is correct |
| 17 |
Correct |
2 ms |
3156 KB |
Output is correct |
| 18 |
Correct |
2 ms |
3156 KB |
Output is correct |
| 19 |
Correct |
2 ms |
3184 KB |
Output is correct |
| 20 |
Correct |
2 ms |
3156 KB |
Output is correct |
| 21 |
Correct |
2 ms |
3156 KB |
Output is correct |
| 22 |
Correct |
17 ms |
24152 KB |
Output is correct |
| 23 |
Correct |
532 ms |
295384 KB |
Output is correct |
| 24 |
Correct |
535 ms |
295352 KB |
Output is correct |
| 25 |
Correct |
557 ms |
295416 KB |
Output is correct |
| 26 |
Correct |
535 ms |
295400 KB |
Output is correct |
| 27 |
Correct |
533 ms |
295372 KB |
Output is correct |
| 28 |
Correct |
533 ms |
295400 KB |
Output is correct |
| 29 |
Correct |
527 ms |
295316 KB |
Output is correct |
| 30 |
Correct |
549 ms |
295396 KB |
Output is correct |
| 31 |
Correct |
530 ms |
295372 KB |
Output is correct |
| 32 |
Correct |
554 ms |
295356 KB |
Output is correct |
