Submission #259874

#	Time	Username	Problem	Language	Result	Execution time	Memory
259874		peuch	Global Warming (CEOI18_glo)	C++17	10 / 100	57 ms	3960 KiB

glo

#include<bits/stdc++.h>
using namespace std;

const int MAXN = 2e5 + 10;
const int INF = 2e9 + 7;

int n, x;
int v[MAXN];
int dp[MAXN];
int ans;

int main(){
	scanf("%d %d", &n, &x);
	for(int i = 1; i <= n; i++){
		scanf("%d", &v[i]);
		dp[i] = INF;
	}
	for(int i = 1; i <= n; i++){
		int k = lower_bound(dp, dp + n + 1, v[i]) - dp;
		dp[k] = v[i];
		ans = max(ans, k);
	}
	printf("%d\n", ans);
}

Compilation message (stderr)

glo.cpp: In function 'int main()':
glo.cpp:13:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &x);
  ~~~~~^~~~~~~~~~~~~~~~~
glo.cpp:15:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &v[i]);
   ~~~~~^~~~~~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 13
• Subtask 4: 10 / 10
• Subtask 5: 0 / 20
• Subtask 6: 0 / 17
• Subtask 7: 0 / 25