이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
//khodaya khodet komak kon
#include <bits/stdc++.h>
#define F first
#define S second
#define pb push_back
#define all(x) x.begin(), x.end()
#pragma GCC optimise ("ofast")
#pragma GCC optimise("unroll-loops")
#define int long long
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
const int N = 200 + 10;
const ll MOD = 1000000000 + 7;
const ll INF = 1000000000000000000;
const ll LOG = 25;
int dp[N][N][N][2];
int n, x[N], L, T[N];
int32_t main(){
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n >> L;
for (int i = 1; i <= n; i++) cin >> x[i];
for (int i = 1; i <= n; i++) cin >> T[i];
x[n + 1] = L;
memset(dp, 63, sizeof dp);
dp[0][0][0][0] = dp[0][0][0][1] = 0;
for (int i = 0; i <= n; i++){
for (int j = 0; j <= n - i - 1; j++){
for (int k = 0; k <= (i + j); k++){
//cout << i << ' ' << j << ' ' << k << ' ' << dp[i][j][k][0] << ' ' << dp[i][j][k][1] << '\n';
int ti = dp[i][j][k][0];
if (ti + x[i + 1] - x[i] <= T[i + 1]) dp[i + 1][j][k + 1][0] = min(dp[i + 1][j][k + 1][0], ti + x[i + 1] - x[i]);
else dp[i + 1][j][k][0] = min(dp[i + 1][j][k][0], ti + x[i + 1] - x[i]);
//cout << ti + x[i] + L - x[n - j] << '\n';
if (ti + x[i] + L - x[n - j] <= T[n - j]) dp[i][j + 1][k + 1][1] = min(dp[i][j + 1][k + 1][1], ti + x[i] + L - x[n - j]);
else dp[i][j + 1][k][1] = min(dp[i][j + 1][k][1], ti + x[i] + L - x[n - j]);
ti = dp[i][j][k][1];
if (ti + x[n - j + 1] - x[n - j] <= T[n - j]) dp[i][j + 1][k + 1][1] = min(dp[i][j + 1][k + 1][1], ti + x[n - j + 1] - x[n - j]);
else dp[i][j + 1][k][1] = min(dp[i][j + 1][k][1], ti + x[n - j + 1] - x[n - j]);
if (L - x[n - j + 1] + ti + x[i + 1] <= T[i + 1]) dp[i + 1][j][k + 1][0] = min(dp[i + 1][j][k + 1][0], L - x[n - j + 1] + ti + x[i + 1]);
else dp[i + 1][j][k][0] = min(dp[i + 1][j][k][0], L - x[n - j + 1] + ti + x[i + 1]);
}
}
}
int ans = 0;
for (int i = 1; i <= n; i++){
for (int j = 0; j <= n; j++){
if (min(dp[j][n - j][i][0], dp[j][n - j][i][1]) <= (1000000000000ll)) ans = i;
}
}
cout << ans;
return 0;
}
컴파일 시 표준 에러 (stderr) 메시지
ho_t3.cpp:8:0: warning: ignoring #pragma GCC optimise [-Wunknown-pragmas]
#pragma GCC optimise ("ofast")
ho_t3.cpp:9:0: warning: ignoring #pragma GCC optimise [-Wunknown-pragmas]
#pragma GCC optimise("unroll-loops")
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |