제출 #31131

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
31131		nibnalin	Bali Sculptures (APIO15_sculpture)	C++14	21 / 100	0 ms	33440 KiB

sculpture

#include <iostream>
#include <cstdio>
#include <vector>
using namespace std;

typedef long long int lli;

const lli maxn = lli(2e3)+5, inf = lli(1e14)+5;

lli n, a, b, A[maxn], memo[maxn][maxn];

lli DP(lli idx, lli p)
{
	if(idx == n+1)
	{
		if(a <= p && p <= b) return 0;
		else return inf;
	}
	else if(p > b) return inf;
	else if(memo[idx][p] != -1) return memo[idx][p];
	else
	{
		lli res = inf;
		for(lli i = idx;i <= n;i++)
		{
			res = min(res, DP(i+1, p+1)|(A[i]-A[idx-1]));
		}
		//cout << idx << " " << p << " " << res << "\n";
		return memo[idx][p] = res;
	}
}

int main(void)
{
	scanf("%lld%lld%lld", &n, &a, &b);

	for(lli i = 0;i <= n;i++)
	{
		for(lli j = 0;j <= n;j++) memo[i][j] = -1;
	}

	for(lli i = 1;i <= n;i++) scanf("%lld", &A[i]);

	for(lli i = 1;i <= n;i++) A[i] += A[i-1];

	printf("%lld\n", DP(1, 0));
}

컴파일 시 표준 에러 (stderr) 메시지

sculpture.cpp: In function 'int main()':
sculpture.cpp:35:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld%lld", &n, &a, &b);
                                   ^
sculpture.cpp:42:48: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(lli i = 1;i <= n;i++) scanf("%lld", &A[i]);
                                                ^

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