Submission #1114637

#	Time	Username	Problem	Language	Result	Execution time	Memory
1114637		expert007	Lightning Rod (NOI18_lightningrod)	C++14	7 / 100	1392 ms	204636 KiB

Main

#include "bits/stdc++.h"
using namespace std;
#define ull unsigned long long
#define int long long
const int MOD = 1e9 + 7;

void setIO() {
    cin.tie(0)->sync_with_stdio(0);
}

void solve() {
    int n;
    cin >> n;
    vector<pair<int, int>> a(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i].first >> a[i].second;
    }
    sort(a.begin(), a.end());

    int ct = 0;
    for(int i = 0; i<n-1;i++){
    if(a[i].second < a[i+1].second){
        if(abs(a[i+1].first - a[i].first) <= abs(a[i+1].second - a[i].second)){
            ct += 1;
            i++;
        }
        else{
            ct += 2;
            i++;
        }
    }
    else if(a[i].second >  a[i+1].second){
        if(abs(a[i].first - a[i+1].first) <= abs(a[i].second - a[i+1].second)){
            ct += 1;
            i++;
        }
        else{ct += 2; i++;}
    }
    else{
        ct += 2;
        i++;
    }
    }
    cout << ct << endl;
}

int32_t main() {
    setIO();
    solve();
    return 0;
}

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