제출 #1130674

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1130674		CrabCNH	Candies (JOI18_candies)	C++20	0 / 100	11 ms	16192 KiB

candies

#include <bits/stdc++.h>

#define task   "BriantheCrab"

#define int    long long
#define pii    pair <int, int>
#define fi     first
#define se     second
#define szf    sizeof
#define sz(s)  (int)((s).size())

using namespace std;

template <class T> void mini (T &t, T f) {if (t > f) t = f;}
template <class T> void maxi (T &t, T f) {if (t < f) t = f;}

const int maxN = 1e5 + 5;
const int inf = 1e9 + 7;
const int mod = 1e9 + 7;

int n;
int a[maxN];

namespace sub1 {
    int dp[2005][2005]; // max val at the i-th place and choose j 
    
    void sol () {
        for (int i = 1; i <= n; i ++) {
            for (int j = 0; j <= (i + 1) / 2; j ++) {
                if (j == 0) {
                    dp[i][j] = max (dp[i - 1][j], 0LL);
                }
                else {
                    if (i >= 1) {
                        dp[i][j] = max (dp[i - 1][j], dp[i - 2][j - 1] + a[i]);
                    }
                    else {
                        dp[i][j] = dp[i - 1][j];
                    }
                }
            }
        }    
        for (int i = 1; i <= (n + 1) / 2; i ++) {
            cout << dp[n][i] << '\n';
        }
    }
}

void Solve () {    
    cin >> n;
    for (int i = 1; i <= n; i ++) {
        cin >> a[i];
    }
    sub1 :: sol ();
}

signed main () {
    cin.tie (nullptr) -> sync_with_stdio (false);
    if (fopen (task".inp", "r")) {
        freopen (task".inp", "r", stdin);
        freopen (task".out", "w", stdout);
    }
    int t = 1;
    //cin >> t;
    while (t --) {
        Solve ();
    } 
    return 0;
}
// Belligerent :)

컴파일 시 표준 에러 (stderr) 메시지

candies.cpp: In function 'int main()':
candies.cpp:60:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   60 |         freopen (task".inp", "r", stdin);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
candies.cpp:61:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   61 |         freopen (task".out", "w", stdout);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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