제출 #528542

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
528542		Shin	Financial Report (JOI21_financial)	C++14	0 / 100	3 ms	332 KiB

Main

#include <bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair
#define TASK "task"
#define all(x) x.begin(), x.end()

using namespace std;
const int N = 2e5 + 7;
const int MOD = 1e9 + 7;
const int INF = 1e9 + 7;
const long long INFLL = 1e18 + 7;

template <class X, class Y> bool minimize(X &a, Y b) {
    if (a > b) return a = b, true;
    return false;
}
template <class X, class Y> bool maximize(X &a, Y b) {
    if (a < b) return a = b, true;
    return false;
}

int n, D;
int a[N];
int dp[N];

void solve(void) {
    cin >> n >> D;
    for (int i = 1; i <= n; i ++) cin >> a[i];

    int res = 1;
    for (int i = n; i > 0; i --) {
        dp[i] = 1;
        for (int j = i + 1, lim = i + D; j <= min(lim, n); j ++) {
            if (a[i] >= a[j]) {
                lim = j + D;
            } else {
                maximize(dp[i], dp[j] + 1);
            }
        }
        maximize(res, dp[i]);
    }

    cout << res;
}

signed main(void) {
    cin.tie(0)->sync_with_stdio(0);
#ifndef ONLINE_JUDGE
    freopen(TASK".inp", "r", stdin);
    freopen(TASK".out", "w", stdout);
    freopen(TASK".log", "w", stderr);
#endif
    int test = 1;
//    cin >> test;
    while (test --) {
        solve();
    }
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.cpp:50:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   50 |     freopen(TASK".inp", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:51:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |     freopen(TASK".out", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:52:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   52 |     freopen(TASK".log", "w", stderr);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 14
• Subtask 2: 0 / 14
• Subtask 3: 0 / 20
• Subtask 4: 0 / 12
• Subtask 5: 0 / 5
• Subtask 6: 0 / 35