제출 #487971

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
487971		MilosMilutinovic	Bali Sculptures (APIO15_sculpture)	C++14	21 / 100	1 ms	264 KiB

sculpture

#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,n) for (int i=a;i<n;i++)
#define per(i,a,n) for (int i=n-1;i>=a;i--)
#define pb push_back
#define mp make_pair
#define all(x) (x).begin(),(x).end()
#define fi first
#define se second
#define SZ(x) ((int)(x).size())
typedef vector<int> VI;
typedef long long ll;
typedef pair<int,int> PII;
typedef double db;
mt19937 mrand(random_device{}()); 
const ll mod=1000000007;
const ll mod2=998244353;
int rnd(int x) { return mrand() % x;}
ll powmod(ll a,ll b) {ll res=1;a%=mod; assert(b>=0); for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;}
ll gcd(ll a,ll b) { return b?gcd(b,a%b):a;}
// head

const int N=2010;
int n,a,b,y[N],dp[N];
ll pf[N],ans;

int get(int l,int r) {
	return pf[r]-pf[l-1];
}

bool check() {
	rep(i,1,n+1) dp[i]=(1<<29);
	rep(i,1,n+1) rep(j,i,n+1) {
		if ((get(i,j)|ans)==ans) {
			dp[j]=min(dp[j],dp[i-1]+1);
		}
	}
	return dp[n]<=b;
}

int main() {
	scanf("%d%d%d",&n,&a,&b);
	rep(i,1,n+1) scanf("%d",y+i),pf[i]=pf[i-1]+y[i];
 	ans=(1ll<<61)-1;
 	per(i,0,61) {
 		ans^=(1ll<<i);
 		if (!check()) ans|=(1ll<<i);
 	}
 	printf("%lld",ans);
}
/*6 1 3
8 1 2 1 5 4
*/

컴파일 시 표준 에러 (stderr) 메시지

sculpture.cpp: In function 'int main()':
sculpture.cpp:42:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   42 |  scanf("%d%d%d",&n,&a,&b);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~
sculpture.cpp:43:20: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   43 |  rep(i,1,n+1) scanf("%d",y+i),pf[i]=pf[i-1]+y[i];
      |               ~~~~~^~~~~~~~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 16
• Subtask 3: 21 / 21
• Subtask 4: 0 / 25
• Subtask 5: 0 / 29