제출 #377068

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
377068		Pichon5	Po (COCI21_po)	C++17	70 / 70	44 ms	492 KiB

Main

#include<bits/stdc++.h>
#define lcm(a,b) (a/__gcd(a,b))*b
#define fast ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define ll long long int
#define vi vector<int>
#define vll vector<ll>
#define pb push_back
#define F first
#define S second
#define mp make_pair
//salida rapida "\n"
//DECIMALES fixed<<sp(n)<<x<<endl;
//gcd(a,b)= ax + by
//gcd(a,b)=gcd(a-b,b) a>=b
//lCB x&-x
//set.erase(it) - ersases the element present at the required index//auto it = s.find(element)
//set.find(element) - iterator pointing to the given element if it is present else return pointer pointing to set.end()
//set.lower_bound(element) - iterator pointing to element greater than or equal to the given element
//set.upper_bound(element) - iterator pointing to element greater than the given element
// | ^
//__builtin_popcount(x)

using namespace std;

int main()
{
    int n,x;
    cin>>n;
    stack<int>st,clean;
    int res=0;
    for(int i=0;i<n;i++){
        cin>>x;
        if(x==0){
            st=clean;
            continue;
        }
        if(st.empty()){
            st.push(x);
            res++;
            continue;
        }
        while(!st.empty()){
            int val=st.top();
            if(val==x)break;
            if(val<x){
                res++;
                st.push(x);
                break;
            }
            st.pop();
        }
        if(st.empty()){
            res++;
            st.push(x);
        }
    }
    cout<<res<<endl;
    
    return 0;
}

• Subtask 1: 70 / 70