제출 #100205

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
100205		pamaj	Kas (COCI17_kas)	C++14	0 / 100	766 ms	391952 KiB

kas

#include <bits/stdc++.h>
using namespace std;

const int maxn = 500, maxm = 1e5 + 10, inf = 1e6;

int dp[maxn][2*maxm], v[maxn], n, pref[maxn], rp;

int solve(int i, int val, int cont)
{

	if(dp[i][val] != -1) return dp[i][val];
	
	if(val == maxm)
	{
		rp = max(rp, cont);
	}

	if(i == n)
	{
		return (abs(maxm - val));
	}


	int caso1 = solve(i + 1, val, cont);
	int caso2 = solve(i + 1, val + v[i], cont + v[i]);
	int caso3 = solve(i + 1, val - v[i], cont);

	return dp[i][val] = min({caso1, caso2, caso3});
}

int main()
{
	ios::sync_with_stdio(false), cin.tie(nullptr);

	cin >> n;

	for(int i = 0; i < n; i++)
	{
		cin >> v[i];
		pref[i] = v[i];
		if(i) pref[i] += pref[i - 1];
	}

	memset(dp, -1, sizeof(dp));

	int ans = solve(0, maxm, 0);

	//cout << ans << "\n";

	cout << rp + (pref[n - 1] - 2*rp) << "\n";


}

컴파일 시 표준 에러 (stderr) 메시지

kas.cpp: In function 'int main()':
kas.cpp:46:6: warning: unused variable 'ans' [-Wunused-variable]
  int ans = solve(0, maxm, 0);
      ^~~

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