#include<homecoming.h>
#include<bits/stdc++.h>
using namespace std;
const long long inf=1e18;
long long solve(int n, int k, int* a, int*b1){
vector<int> b(n*2);
for(int i=0; i<n; i++){
b[i]=b[i+n]=b1[i];
}
vector<int> prefixsum(n*2+1, 0);
for(int i=1; i<=n*2; i++){
prefixsum[i]=prefixsum[i-1]+b[i-1];
}
vector<long long> dp(n+1, -inf);
long long ans=0;
dp[0]=0;
long long mmax=0;
for(int i=1; i<=n; i++){
for(int j=1; j<k; j++){
if(i-j<0) continue;
long long cost=prefixsum[i+k-1]-prefixsum[i-j+k-1];
dp[i]=max(dp[i], dp[i-j]+a[i-1]-cost);
}
if(i-k>=0){
mmax=max(mmax, dp[i-k]);
}
dp[i]=max(dp[i], mmax+a[i-1]-(prefixsum[i+k-1]-prefixsum[i-1]));
ans=max(ans, dp[i]);
}
return ans;
}
/*signed main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
int n, k;
cin >> n >> k;
vector<int> a(n);
vector<int> b(n);
for(int i=0; i<n; i++){
cin >> a[i];
}
for(int i=0; i<n; i++){
cin >> b[i];
}
cout << solve(n, k, a, b) << "\n";
}*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
31 ms |
15956 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |