Submission #1000019

#	Time	Username	Problem	Language	Result	Execution time	Memory
1000019		daffuwu	Global Warming (CEOI18_glo)	C++14	28 / 100	2093 ms	3132 KiB

glo

#include <bits/stdc++.h>
using namespace std;
#define fr first
#define sc second
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());

int n, x, t[200069], ans, dp[200069][2];
int main() 
{
    int i, j;
    scanf("%d%d", &n, &x);
    for (i=1; i<=n; i++)
    {
        scanf("%d", t+i);
        for (j=0; j<=i-1; j++)
        {
            if (t[j]<t[i])
            {
                dp[i][0] = max(dp[i][0], dp[j][0]+1);
                dp[i][1] = max(dp[i][1], dp[j][1]+1);
            }
            if (t[j]-x<t[i]) dp[i][1] = max(dp[i][1], dp[j][0]+1);
        }
        ans = max(ans, max(dp[i][0], dp[i][1]));
    }
    printf("%d\n", ans);
}

Compilation message (stderr)

glo.cpp: In function 'int main()':
glo.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |     scanf("%d%d", &n, &x);
      |     ~~~~~^~~~~~~~~~~~~~~~
glo.cpp:14:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |         scanf("%d", t+i);
      |         ~~~~~^~~~~~~~~~~

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