제출 #443150

#제출 시각아이디문제언어결과실행 시간메모리
443150AdamGSExam (eJOI20_exam)C++14
0 / 100
1090 ms1344 KiB
#include<bits/stdc++.h> using namespace std; #define rep(a, b) for(int a = 0; a < (b); ++a) const int LIM=5e3+7; int a[LIM], b[LIM], T[LIM][LIM], dp[LIM]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n; cin >> n; rep(i, n) cin >> a[i+1]; rep(i, n) cin >> b[i+1]; for(int i=1; i<=n; ++i) { int ma=0; for(int j=i; j<=n; ++j) { ma=max(ma, a[j]); for(int l=i; l<=j; ++l) if(b[l]==ma) ++T[i][j]; } } for(int i=1; i<=n; ++i) { dp[i]=dp[i-1]; for(int j=i; j>=1; --j) { dp[i]=max(dp[i], dp[j-1]+T[j][i]); } } cout << dp[n] << '\n'; }
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