제출 #23420

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
23420		rubabredwan	Bali Sculptures (APIO15_sculpture)	C++14	0 / 100	0 ms	2036 KiB

sculpture

/* Bismillahir Rahmanir Rahim */

#include <bits/stdc++.h>

using namespace std;

const int N = 2005;
const int oo = 1e9;

int n, a, b, y[N];
int dp[N];

long long lst(long long mask){
    if(!mask) return -1;
    return 63 - __builtin_clzll(mask);
}

bool OK(long long fixed, long long bit){
    dp[0] = 0;
    for(int i=1;i<=n;i++){
        dp[i] = oo;
        long long sum = 0;
        for(int j=i;j>=1;j--){
            sum += y[j];
            if(lst(sum^fixed) < bit){
                dp[i] = min(dp[i], dp[j-1] + 1);
            }
        }
    }
    if(dp[n] <= b) return true;
    else return false;
}


int main(){
    scanf("%d %d %d", &n, &a, &b);
    for(int i=1;i<=n;i++) scanf("%d", &y[i]);
    long long ret = 0;
    for(long long bit=41;bit>=0;bit--){
        if(!OK(ret, bit)){
            ret |= (1LL << bit);
        }
    }
    cout << ret << endl;
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

sculpture.cpp: In function 'int main()':
sculpture.cpp:36:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d", &n, &a, &b);
                                  ^
sculpture.cpp:37:45: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i=1;i<=n;i++) scanf("%d", &y[i]);
                                             ^

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