Submission #262342

#	Time	Username	Problem	Language	Result	Execution time	Memory
262342		Fidisk	Separator (CEOI19_separator)	C++14	100 / 100	239 ms	33288 KiB

separator

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

#define oo 1e18
#define fi first
#define se second
#define sp(iiii) setprecision(iiii)
#define IO ios_base::sync_with_stdio(false); cin.tie(0)
#define ms(aaaa,xxxx) memset(aaaa,xxxx,sizeof(aaaa))
#define cntbit(xxxx) __builtin_popcount(xxxx)
#define getbit(xxxx,aaaa) ((xxxx>>(aaaa-1))&1)
#define _cos(xxxx) cos(xxxx*acos(-1)/180)
#define _sin(xxxx) sin(xxxx*acos(-1)/180)
#define _tan(xxxx) tan(xxxx*acos(-1)/180)
#define PE cout<<fixed

typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<pair<int,int>,int> piii;
typedef pair<long long,long long> pll;
typedef pair<pair<long long,long long>,long long> plll;

const ld pi=acos(-1);
const ll mod=1e9;

ll lmax,n,i,a[5000009],last;
stack<ll> st;

int main(){
    IO;
    cin>>n;
    last=0;
    lmax=-1;
    for (i=1;i<=n;i++) {
        cin>>a[i];
        a[i]=(a[i]+last)%mod;
        while ((!st.empty())&&(a[i]<=st.top())) {
            st.pop();
        }
        if (lmax<a[i]) {
            st.push(a[i]);
        }
        lmax=max(a[i],lmax);
        last=st.size();
        cout<<st.size()<<'\n';
    }
}
 

• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 40 / 40
• Subtask 4: 10 / 10