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вернуться в форумaccepted //#pragma GCC optimize("Ofast,no-stack-protector") //#pragma GCC target("avx") #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds; using namespace std;
#define re return #define pb push_back #define eb emplace_back #define all(x) (x).begin(), (x).end() #define fi first #define se second #define sqrt(x) sqrt(abs(x)) #define mp make_pair #define pi (3.14159265358979323846264338327950288419716939937510) #define fo(i, n) for(int i = 0; i < n; ++i) #define ro(i, n) for(int i = n - 1; i >= 0; --i) #define unique(v) v.resize(unique(all(v)) - v.begin())
template <class T> T abs (T x) { re x > 0 ? x : -x; } template <class T> T sqr (T x) { re x * x; } template <class T> T gcd (T a, T b) { re a ? gcd (b % a, a) : b; } template <class T> int sgn (T x) { re x > 0 ? 1 : (x < 0 ? -1 : 0); }
typedef vector<int> vi; typedef vector<vi> vvi; typedef pair<int, int> ii; typedef vector<ii> vii; typedef vector<string> vs; typedef double D; typedef long double ld; typedef long long ll; typedef pair<ll, ll> pll; typedef vector<ll> vll; typedef unsigned long long ull; typedef tree <pair<int, char>, null_type, less<pair<int, char>>, rb_tree_tag, tree_order_statistics_node_update> _tree; const int maxn = (int) 1e5; int a[maxn]; int main() { int n; scanf("%d", &n); fo(i, n) scanf("%d", a + i); int p1, p2; scanf("%d%d", &p1, &p2); --p1, --p2; if (p1 == p2) { int sum1 = 0, sum2 = 0; fo(i, p1) sum1 += a[i]; for (int j = p1 + 1; j < n; ++j) sum2 += a[j]; cout << max(sum1, sum2) + a[p1] << ' '<< min(sum1, sum2) << endl; re 0; } bool _swap = p1 > p2; if (p1 > p2) swap(p1, p2); int middle = p1 + (p2 - p1 - 1) / 2 + (((p2 - p1 - 1) & 1) && !_swap); ll sum1 = 0, sum2 = 0; fo(i, n) { if (i <= middle) sum1 += a[i]; else sum2 += a[i]; } if (_swap) swap(sum1, sum2); cout << sum1 << ' '<< sum2 << endl; } |
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