제출 #990298

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
990298		Celebi_276	Candies (JOI18_candies)	C++17	0 / 100	5 ms	16220 KiB

candies

#include <bits/stdc++.h>
using namespace std;
 
#define      FILE   "TEST"
#define    all(v)   v.begin(), v.end()
#define   rall(v)   v.rbegin(), v.rend()
#define        fi   first
#define        se   second
 
#define int long long
 
long long dp[2022][1011];
int n, a[2022];
 
signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);
 
    if (fopen(FILE".INP", "r")) {
        freopen(FILE".INP", "r", stdin);
        freopen(FILE".OUT", "w", stdout);
    }
 
    cin >> n;
    for (int i = 1; i <= n; i++) cin >> a[i];
    for (int i = 0; i <= n; i++)
        for (int j = 1; j <= n; j++) dp[i][j] = -9E18;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= (n + 1) / 2; j++)
            dp[i][j] = max(dp[i - 1][j], dp[max(i - 2, 0LL)][j - 1] + a[i]);
 
    for (int j = 1; j <= (n + 1) / 2; j++) cout << dp[n][j] << "\n";
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

candies.cpp: In function 'int main()':
candies.cpp:20:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |         freopen(FILE".INP", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
candies.cpp:21:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |         freopen(FILE".OUT", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 8
• Subtask 2: 0 / 92