Submission #1589783


Source Code Expand

#include <iostream>
#include <algorithm>
#include <vector>
#include <queue>
#include <map>
#include <unordered_map>
#include <set>
#include <climits>
using namespace std;

pair<int, int> calc(vector<int> &a, int i, int j){
    if(i > j) swap(i, j);
    int s1 = 0;
    int s2 = 0;
    for(int k=i; k<=j; k+=2) s1 += a[k];
    for(int k=i+1; k<=j; k+=2) s2 += a[k];
    return pair<int, int>(s1, s2);
}

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);
    int N;
    cin >> N;
    vector<int> a(N);
    for(int i=0; i<N; i++) cin >> a[i];

    int ans = -(1 << 30);
    for(int i=0; i<N; i++){
        int jaok;
        int saok = -(1 << 30);
        for(int j=0; j<N; j++){
            if(j==i) continue;
            pair<int, int> scores = calc(a, i, j);
            if(scores.second > saok){
                saok = scores.second;
                jaok = j;
            }
        }
        ans = max(ans, calc(a, i, jaok).first);
    }
    cout << ans << endl;
    return 0;
}

Submission Info

Submission Time
Task C - 数列ゲーム
User suzume
Language C++14 (GCC 5.4.1)
Score 100
Code Size 1032 Byte
Status AC
Exec Time 1 ms
Memory 256 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 100 / 100
Status
AC × 3
AC × 23
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