제출 #706594

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
706594		YugiHacker	Kas (COCI17_kas)	C++14	100 / 100	202 ms	98692 KiB

kas

#include<bits/stdc++.h>
#define el cout<<"\n"
#define f0(i,n) for(int i=0;i<n;++i)
#define f1(i,n) for(int i=1;i<=n;++i)
#define maxn 100005
using namespace std;
int n, a[maxn], s;
int f[502][maxn/2];
int calc(int pos, int diff)
{
    if (diff > s/2) return -1e9;
    if (pos == n+1)
    {
        if (diff) return -1e9;
        return 0;
    }
    if (f[pos][diff]!=-1) return f[pos][diff];
    return f[pos][diff] = max({calc(pos+1, diff),
                              calc(pos+1, abs(diff-a[pos])) + min(a[pos], diff),
                              calc(pos+1, diff+a[pos])});
}
main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin >> n;
    f1 (i, n) cin >> a[i], s+=a[i];
    memset(f, -1, sizeof f);
    int ans = calc(1, 0);
    ans += s - 2*ans;
    cout << ans;
}

컴파일 시 표준 에러 (stderr) 메시지

kas.cpp:22:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   22 | main()
      | ^~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10