#include <iostream>
#include <vector>
using namespace std;
struct data{
int x;
int c;
int t;
};
const int tmax = 2005;
int calc(int l, int r, int t, int lst, int n,vector<data>& v, vector<vector<vector<vector<int>>>>& dp){
if (t >= tmax || l < 0 || r >= n) return 0;
if (dp[l][r][t][lst] != -1) return dp[l][r][t][lst];
int res = 0;
if (lst == 0){
res = max(res, calc(l-1, r, t + (v[l].x - v[l-1].x), 0, n, v, dp));
res = max(res, calc(l, r+1, t + (v[r+1].x - v[l].x), 1, n, v, dp));
if (t < v[l].t) res += v[l].c;
} else{
res = max(res, calc(l-1, r, t + (v[r].x - v[l-1].x), 0, n, v, dp));
res = max(res, calc(l, r+1, t + (v[r+1].x - v[r].x), 1, n, v, dp));
if (t < v[r].t) res += v[r].c;
}
return dp[l][r][t][lst] = res;
}
int main() {
int n, k, m; cin >> n >> k >> m;
vector<data> v(n);
for (int i = 0; i < m; ++i) {
cin >> v[i].x >> v[i].c >> v[i].t;
}
vector<vector<vector<vector<int>>>> dp(m, vector<vector<vector<int>>>(m, vector<vector<int>>(tmax+5, vector<int>(2, -1))));
int ans = 0;
for (int i = 0; i < m; ++i){
ans = max(ans, calc(i, i, abs(k - v[i].x), 0, m, v, dp));
}
cout << ans << "\n";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2532 KB |
Output is correct |
2 |
Correct |
16 ms |
12448 KB |
Output is correct |
3 |
Correct |
31 ms |
23420 KB |
Output is correct |
4 |
Correct |
62 ms |
46656 KB |
Output is correct |
5 |
Correct |
490 ms |
281468 KB |
Output is correct |
6 |
Correct |
607 ms |
403624 KB |
Output is correct |
7 |
Runtime error |
513 ms |
524292 KB |
Execution killed with signal 9 |
8 |
Runtime error |
497 ms |
524292 KB |
Execution killed with signal 9 |
9 |
Runtime error |
503 ms |
524292 KB |
Execution killed with signal 9 |
10 |
Runtime error |
477 ms |
524292 KB |
Execution killed with signal 9 |