Submission #2169136
Source Code Expand
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> P;
#define each(i,a) for (auto&& i : a)
#define FOR(i,a,b) for (ll i=(a),__last_##i=(b);i<__last_##i;i++)
#define RFOR(i,a,b) for (ll i=(b)-1,__last_##i=(a);i>=__last_##i;i--)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define __GET_MACRO3(_1, _2, _3, NAME, ...) NAME
#define rep(...) __GET_MACRO3(__VA_ARGS__, FOR, REP)(__VA_ARGS__)
#define rrep(...) __GET_MACRO3(__VA_ARGS__, RFOR, RREP)(__VA_ARGS__)
#define pb push_back
#define all(a) (a).begin(),(a).end()
#define chmin(x,v) x = min(x, v)
#define chmax(x,v) x = max(x, v)
const ll linf = 1e18;
const double eps = 1e-12;
const double pi = acos(-1);
template<typename T>
istream& operator>>(istream& is, vector<T>& vec) {
each(x,vec) is >> x;
return is;
}
template<typename T>
ostream& operator<<(ostream& os, const vector<T>& vec) {
rep(i,vec.size()) {
if (i) os << " ";
os << vec[i];
}
return os;
}
template<typename T>
ostream& operator<<(ostream& os, const vector< vector<T> >& vec) {
rep(i,vec.size()) {
if (i) os << endl;
os << vec[i];
}
return os;
}
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
ll n; cin >> n;
vector<ll> a(n); cin >> a;
ll ans = -linf;
rep(i, n) {
ll Mp = -1, M = -linf;
rep(j, n) {
if (i == j) continue;
ll sum = 0;
for (ll k = min(i, j)+1; k <= max(i, j); k += 2) {
sum += a[k];
}
if (sum > M) {
Mp = j;
M = sum;
}
}
ll sum = 0;
for (ll k = min(i, Mp); k <= max(i, Mp); k += 2) {
sum += a[k];
}
chmax(ans, sum);
}
cout << ans << endl;
}
Submission Info
Submission Time |
|
Task |
C - 数列ゲーム |
User |
drafear |
Language |
C++14 (GCC 5.4.1) |
Score |
100 |
Code Size |
1893 Byte |
Status |
AC |
Exec Time |
1 ms |
Memory |
256 KB |
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
100 / 100 |
Status |
|
|
Set Name |
Test Cases |
Sample |
sample-01.txt, sample-02.txt, sample-03.txt |
All |
sample-01.txt, sample-02.txt, sample-03.txt, test-01.txt, test-02.txt, test-03.txt, test-04.txt, test-05.txt, test-06.txt, test-07.txt, test-08.txt, test-09.txt, test-10.txt, test-11.txt, test-12.txt, test-13.txt, test-14.txt, test-15.txt, test-16.txt, test-17.txt, test-18.txt, test-19.txt, test-20.txt |
Case Name |
Status |
Exec Time |
Memory |
sample-01.txt |
AC |
1 ms |
256 KB |
sample-02.txt |
AC |
1 ms |
256 KB |
sample-03.txt |
AC |
1 ms |
256 KB |
test-01.txt |
AC |
1 ms |
256 KB |
test-02.txt |
AC |
1 ms |
256 KB |
test-03.txt |
AC |
1 ms |
256 KB |
test-04.txt |
AC |
1 ms |
256 KB |
test-05.txt |
AC |
1 ms |
256 KB |
test-06.txt |
AC |
1 ms |
256 KB |
test-07.txt |
AC |
1 ms |
256 KB |
test-08.txt |
AC |
1 ms |
256 KB |
test-09.txt |
AC |
1 ms |
256 KB |
test-10.txt |
AC |
1 ms |
256 KB |
test-11.txt |
AC |
1 ms |
256 KB |
test-12.txt |
AC |
1 ms |
256 KB |
test-13.txt |
AC |
1 ms |
256 KB |
test-14.txt |
AC |
1 ms |
256 KB |
test-15.txt |
AC |
1 ms |
256 KB |
test-16.txt |
AC |
1 ms |
256 KB |
test-17.txt |
AC |
1 ms |
256 KB |
test-18.txt |
AC |
1 ms |
256 KB |
test-19.txt |
AC |
1 ms |
256 KB |
test-20.txt |
AC |
1 ms |
256 KB |