Submission #743020

#	Time	Username	Problem	Language	Result	Execution time	Memory
743020		vjudge1	Lightning Rod (NOI18_lightningrod)	C++17	0 / 100	2080 ms	182924 KiB

Main

#include<iostream>
#include<set>
#include<map>

int n,cnt;
std::map<int, bool> mp;
std::set<int> sx,sy;

int main()
{
    std::ios_base::sync_with_stdio(0),std::cin.tie(0),std::cout.tie(0);
    std::cin>>n;
    for(int i = 0; i<n; ++i){
        int x,y; std::cin>>x>>y;
        if(mp[x]) continue;
        mp[x] = 1;
        ++cnt;
    }
    std::cout<<cnt;
}

• Subtask 1: 0 / 4
• Subtask 2: 0 / 7
• Subtask 3: 0 / 12
• Subtask 4: 0 / 21
• Subtask 5: 0 / 26
• Subtask 6: 0 / 10
• Subtask 7: 0 / 20