/*
+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
|-\/\/-|-\/\/-|-\/\/-|-\/\/-|-\/\/-|-\/\/-|-\/\/-|-\/\/-|-\/\/-|-\/\/-|-\/\/-|-\/\/-|-\/\/-|-\/\/-|-\/\/-|-\/\/-|-\/\/-|
|\/\/\/|\/\/\/|\/\/\/|\/\/\/|\/\/\/|\/\/\/|\/\/\/|\/\/\/|\/\/\/|\/\/\/|\/\/\/|\/\/\/|\/\/\/|\/\/\/|\/\/\/|\/\/\/|\/\/\/|
|/-/\-\|/-/\-\|/-/\-\|/-/\-\|/-/\-\|/-/\-\|/-/\-\|/-/\-\|/-/\-\|/ \-\|/-/\-\|/-/\-\|/-/\-\|/-/\-\|/-/\-\|/-/\-\|
+------+------+------+------+------+------+------+------+------+- T J 5 2 ---+------+------+------+------+------+------+
|\-\/-/|\-\/-/|\-\/-/|\-\/-/|\-\/-/|\-\/-/|\-\/-/|\-\/-/|\-\/-/|\ u u t 0 /-/|\-\/-/|\-\/-/|\-\/-/|\-\/-/|\-\/-/|\-\/-/|
|/\/\/\|/\/\/\|/\/\/\|/\/\/\|/\/\/\|/\/\/\|/\/\/\|/\/\/\|/\/\/\|/ e l h 2 \/\|/\/\/\|/\/\/\|/\/\/\|/\/\/\|/\/\/\|/\/\/\|
|-/\/\-|-/\/\-|-/\/\-|-/\/\-|-/\/\-|-/\/\-|-/\/\-|-/\/\-|-/\/\-|- s y 2 /\-|-/\/\-|-/\/\-|-/\/\-|-/\/\-|-/\/\-|-/\/\-|
+------+------+------+------+------+------+------+------+------+- d + ---+------+------+------+------+------+------+
|-\/\/-|-\/\/-|-\/\/-|-\/\/-|-\/\/-|-\/\/-|-\/\/-|-\/\/-|-\/\/-|- a /-|-\/\/-|-\/\/-|-\/\/-|-\/\/-|-\/\/-|-\/\/-|-\/\/-|
|\/\/\/|\/\/\/|\/\/\/|\/\/\/|\/\/\/|\/\/\/|\/\/\/|\/\/\/|\/\/\/|\ y \/|\/\/\/|\/\/\/|\/\/\/|\/\/\/|\/\/\/|\/\/\/|\/\/\/|
|/-/\-\|/-/\-\|/-/\-\|/-/\-\|/-/\-\|/-/\-\|/-/\-\|/-/\-\|/-/\-\|/ -\|/-/\-\|/-/\-\|/-/\-\|/-/\-\|/-/\-\|/-/\-\|/-/\-\|
+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
|\-\/-/|\-\/-/|\-\/-/|\-\/-/|\-\/-/|\-\/-/|\-\/-/|\-\/-/|\-\/-/|\-\/-/|\-\/-/|\-\/-/|\-\/-/|\-\/-/|\-\/-/|\-\/-/|\-\/-/|
|/\/\/\|/\/\/\|/\/\/\|/\/\/\|/\/\/\|/\/\/\|/\/\/\|/\/\/\|/\/\/\|/\/\/\|/\/\/\|/\/\/\|/\/\/\|/\/\/\|/\/\/\|/\/\/\|/\/\/\|
|-/\/\-|-/\/\-|-/\/\-|-/\/\-|-/\/\-|-/\/\-|-/\/\-|-/\/\-|-/\/\-|-/\/\-|-/\/\-|-/\/\-|-/\/\-|-/\/\-|-/\/\-|-/\/\-|-/\/\-|
+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
*/
#include <bits/stdc++.h>
#define fore(i, a, b) for (signed i = (a), i##_last = (b); i < i##_last; ++i)
#define fort(i, a, b) for (signed i = (a), i##_last = (b); i <= i##_last; ++i)
#define ford(i, a, b) for (signed i = (a), i##_last = (b); i >= i##_last; --i)
#define fi first
#define se second
#define pb push_back
#define sz(x) ((int)(x).size())
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define subtree(x) num[x], num[x] + d[x] - 1
using namespace std;
using ll = long long;
using ld = long double;
template<class A, class B> bool maxi(A &a, const B &b) {return (a < b) ? (a = b, true):false;};
template<class A, class B> bool mini(A &a, const B &b) {return (a > b) ? (a = b, true):false;};
typedef unsigned long long ull;
typedef pair<int, int> ii;
typedef vector<ll> vi;
typedef vector<ii> vii;
typedef vector<vi> vvi;
typedef vector<vii> vvii;
const int maxN = 505, maxT = 200005, inf = 0X3F3F3F3F;
int n, t, c[maxN];
int DP(int x, int y) {
static int dp[maxN][maxT];
static bool seen[maxN][maxT];
if (x > n)
return y == t ? 0 : inf;
if (!seen[x][y]) {
seen[x][y] = true;
dp[x][y] = min({inf, c[x] + DP(x + 1, y), DP(x + 1, y + c[x]), DP(x + 1, y - c[x])});
}
return dp[x][y];
}
int main() {
int r;
#ifdef LOCAL
freopen("input.INP", "r", stdin);
#endif // LOCAL
cin.tie(0) -> sync_with_stdio(0);
cout.tie(0);
cin >> n;
fort(i, 1, n) {
cin >> c[i];
t += c[i];
}
r = DP(1, t);
cout << r + (t - r >> 1) << '\n';
return 0;
}
Compilation message
kas.cpp: In function 'int main()':
kas.cpp:74:20: warning: suggest parentheses around '-' inside '>>' [-Wparentheses]
74 | cout << r + (t - r >> 1) << '\n';
| ~~^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
436 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
468 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
460 KB |
Output is correct |
2 |
Correct |
1 ms |
460 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
468 KB |
Output is correct |
2 |
Correct |
1 ms |
468 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
488 KB |
Output is correct |
2 |
Correct |
1 ms |
468 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
852 KB |
Output is correct |
2 |
Correct |
2 ms |
852 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
976 KB |
Output is correct |
2 |
Correct |
1 ms |
848 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
183 ms |
40640 KB |
Output is correct |
2 |
Correct |
52 ms |
13988 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
272 ms |
47688 KB |
Output is correct |
2 |
Correct |
219 ms |
56376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
551 ms |
100232 KB |
Output is correct |
2 |
Correct |
1235 ms |
217192 KB |
Output is correct |