제출 #23454

#제출 시각아이디문제언어결과실행 시간메모리
23454rubabredwanSplit the sequence (APIO14_sequence)C++14
50 / 100
323 ms3644 KiB
/* Bismillahir Rahmanir Rahim */

#include <bits/stdc++.h>

using namespace std;

const int N = 1005;
const int M = 205;

long long dp[N][M], A[N], sum[N];
int n, k;

int main(){
    scanf("%d %d", &n, &k);
    for(int i=1;i<=n;i++){
        scanf("%lld", &A[i]);
        sum[i] = sum[i-1] + A[i];
    }
    for(int i=2;i<=n;i++){
        for(int j=1;j<=k;j++){
            for(int div=i-1;div>=1;div--){
                long long add = sum[div] * (sum[i] - sum[div]);
                dp[i][j] = max(dp[i][j], add + dp[div][j-1]);
            }
        }
    }
    cout << dp[n][k] << endl;
    while(k){
        for(int div = n-1;div >= 1;div--){
            long long add = sum[div] * (sum[n] - sum[div]);
            if(dp[div][k-1] + add == dp[n][k]){
                cout << div << ' ';
                n = div;
                break;
            }
        }
        k--;
    }
    cout << endl;
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

sequence.cpp: In function 'int main()':
sequence.cpp:14:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &k);
                           ^
sequence.cpp:16:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld", &A[i]);
                             ^
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