제출 #259889

#제출 시각아이디문제언어결과실행 시간메모리
259889Kenzo_1114Global Warming (CEOI18_glo)C++17
28 / 100
2098 ms1860 KiB
#include<bits/stdc++.h>
using namespace std;
const int MAXN = 200010;
const int INF = 2e9 + 9;

int n, x, t[MAXN], dp[MAXN]; 

int calc()
{
	for(int i = 0; i < n; i++)	dp[i] = INF;

	int mx = 0;
	for(int i = 0; i < n; i++)
	{
		int it = lower_bound(dp, dp + n, t[i]) - dp;
		dp[it] = t[i];
		mx = max(mx, it);
	}

	return mx + 1;
}

int main ()
{
	scanf("%d %d", &n, &x);

	for(int i = 0; i < n; i++)	scanf("%d", &t[i]);

	int ans = 0;
	for(int i = 0; i < n; i++)
	{
		t[i] -= x;
		ans = max(ans, calc());
	}

	printf("%d\n", ans);
}

컴파일 시 표준 에러 (stderr) 메시지

glo.cpp: In function 'int main()':
glo.cpp:25:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &x);
  ~~~~~^~~~~~~~~~~~~~~~~
glo.cpp:27:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i = 0; i < n; i++) scanf("%d", &t[i]);
                             ~~~~~^~~~~~~~~~~~~
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