이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
#define dbg(x) cerr << #x << " = " << x << "\n"
#define fast_io ios_base::sync_with_stdio(0); cin.tie(0); cout.tie()
using namespace std;
using ll = long long;
const int fx = -(3e5 + 100);
int n, a[1000], f[500][int(3e5) + 100], total;
int rec(int p, int cur) {
if (p == n)
return (cur == 0) ? 0 : -3e5;
if (f[p][int(1e5) + cur] != fx)
return f[p][int(1e5) + cur];
int res = max(rec(p + 1, cur),
max(rec(p + 1, cur - a[p]), rec(p + 1, cur + a[p]) + a[p]));
return f[p][int(1e5) + cur] = res;
}
int main() {
fast_io;
cin >> n;
for (int i = 0; i < n; ++i) {
cin >> a[i];
total += a[i];
}
for (int i = 0; i < n; ++i)
for (int j = 0; j <= 3e5; ++j)
f[i][j] = fx;
int res = rec(0, 0);
cout << res + (total - 2 * res) << "\n";
}
# | 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... |
# | 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... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |