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3705 : ์—ฐ์†๋œ ๊ตฌ๊ฐ„์˜ ์ตœ๋Œ€ํ•ฉ

by ์•ˆ์ฃผํ˜• 2022. 1. 14.

๋ฌธ์ œ

 

์—ฐ์†๋œ ๊ตฌ๊ฐ„์˜ ์ตœ๋Œ€ํ•ฉ

์ฒซ์งธ์ค„์— ์ˆ˜์—ด์˜ ์›์†Œ์˜ ๊ฐœ์ˆ˜ n์ด ์ž…๋ ฅ๋œ๋‹ค. (1 <= n <= 100,000) ๋‘˜์งธ ์ค„์— n๊ฐœ์˜ ์ •์ˆ˜ ์›์†Œ ๊ฐ’์ด ์ฐจ๋ก€๋Œ€๋กœ ์ž…๋ ฅ๋œ๋‹ค. (๊ฐ’์˜ ๋ฒ”์œ„: -100 ~ + 100)

codeup.kr

 

์ฝ”๋“œ

#include <iostream>
using namespace std;


int dp[100001];
int arr[100001];
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int N; cin>>N;
    
    for(int i=0; i<N; i++){
        cin>>arr[i];
    }
    
    int ans=arr[0];
    dp[0]=arr[0];
    for(int i=1;i<N; i++){
        dp[i]=max(arr[i],dp[i-1]+arr[i]);
        ans=max(ans,dp[i]);
    }
    cout<<ans;
}

 

ํ’€์ด

์ด์ „์— ํ•œ๋ฒˆ ๋ฐฑ์ค€์—์„œ ์œ ์‚ฌํ•œ ๋ฌธ์ œ๋ฅผ ํ‘ผ ์ ์ด ์žˆ์–ด์„œ ๊ฐ„๋‹จํ•˜๊ฒŒ ํ•ด๊ฒฐํ•œ ๋ฌธ์ œ์˜€์Šต๋‹ˆ๋‹ค.

 

[๋ฐฑ์ค€,c++] 10211๋ฒˆ - Maximum Subarray

๋ฌธ์ œ https://www.acmicpc.net/problem/10211 10211๋ฒˆ: Maximum Subarray ํฌ๊ธฐ N์ธ ์ •์ˆ˜ํ˜• ๋ฐฐ์—ด X๊ฐ€ ์žˆ์„ ๋•Œ, X์˜ ๋ถ€๋ถ„ ๋ฐฐ์—ด(X์˜ ์—ฐ์†ํ•œ ์ผ๋ถ€๋ถ„) ์ค‘ ๊ฐ ์›์†Œ์˜ ํ•ฉ์ด ๊ฐ€์žฅ ํฐ ๋ถ€๋ถ„ ๋ฐฐ์—ด์„ ์ฐพ๋Š” Maximum subarray p..

dkswnkk.tistory.com

์—ฌ๊ธฐ ์œ„ ๋ฌธ์ œ์™€ ๋™์ผํ•ฉ๋‹ˆ๋‹ค.

 

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