Submission #1000004

#	Time	Username	Problem	Language	Result	Execution time	Memory
1000004		daffuwu	Global Warming (CEOI18_glo)	C++14	28 / 100	2074 ms	3020 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;
vector<int> lis; 

int main() 
{
    int i, j;
    scanf("%d%d", &n, &x);
    for (i=1; i<=n; i++) scanf("%d", t+i);
    for (i=0; i<=n; i++)
    {
        t[i] -= x;
        for (j=1; j<=n; j++)
        {
            auto it = lower_bound(lis.begin(), lis.end(), t[j]);
            if (it == lis.end()) lis.push_back(t[j]);
            else *it = t[j];
        }
        ans = max(ans, (int)lis.size());
        lis.clear();
    }
    printf("%d\n", ans);
}

Compilation message (stderr)

glo.cpp: In function 'int main()':
glo.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |     scanf("%d%d", &n, &x);
      |     ~~~~~^~~~~~~~~~~~~~~~
glo.cpp:14:31: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |     for (i=1; i<=n; i++) 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