Submission #773902

#	Time	Username	Problem	Language	Result	Execution time	Memory
773902		n3rm1n	Advertisement 2 (JOI23_ho_t2)	C++17	0 / 100	0 ms	212 KiB

Main

#include<bits/stdc++.h>
#define endl '\n'
using namespace std;
const int MAXN = 5e5 + 10;
void speed()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
}
int n;
int a[MAXN], b[MAXN];
int gr1 = 1;
void read()
{
    cin >> n;
    for (int i = 1; i <= n; ++ i)
    {
        cin >> a[i] >> b[i];
        if(i > 1 && b[i] != b[i-1])
        {
            gr1 = 0;
        }
    }
}
void solve10p()
{
    sort(a+1, a+n+1);
    int cnt = 0;
    for (int i = 2; i <= n; ++ i)
    {
        if(a[i] != a[i-1])cnt ++;
    }
    cout << cnt << endl;
}
int main()
{
    speed();

    read();
    if(gr1 == 1)
    {
        solve10p();
        return 0;
    }
    return 0;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 23
• Subtask 3: 0 / 36
• Subtask 4: 0 / 31