Submission #1311153

#	Time	Username	Problem	Language	Result	Execution time	Memory
1311153		aryan	Lightning Rod (NOI18_lightningrod)	C++20	4 / 100	897 ms	444 KiB

Main

#include<bits/stdc++.h>
using namespace std;

using i64 = long long;


int main(){
        
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int n;
    cin >> n;
    int p = -1;
    int tot = 0;
    for(int i = 0;i < n;i++){
        int x,y;
        cin >> x >> y;
        if(x != p){
            tot ++;
            p = x;
        }
        assert(y == 1);
    }
    cout << tot << '\n';

    return 0;
}

• Subtask 1: 4 / 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