Submission #158653

#	Time	Username	Problem	Language	Result	Execution time	Memory
158653		GoldNextYear	Baloni (COCI15_baloni)	C++14	100 / 100	1788 ms	95952 KiB

baloni

#define fast ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#include <bits/stdc++.h>
using namespace std;
#define sqr 340
#define mid (l+r)/2
#define pb push_back
#define ppb pop_back
#define fi first
#define se second
#define lb lower_bound
#define ub upper_bound
#define ins insert
#define era erase
#define C continue
#define mem(dp,i) memset(dp,i,sizeof(dp))
#define mset multiset
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pi;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pi> vpi;
typedef vector<pll> vpll;
const ll mod=1000000007;
const ll mod2=998244353;
const ll inf=1e18*4;
const ld pai=acos(-1);
int n;
int a[1000009],done[1000009];
set<int>s[1000009];
int main(){
        cin>>n;
        int num=0;
        for(int i=0;i<n;i++)cin>>a[i],s[a[i]].ins(i);
        for(int i=0;i<n;i++){
                if(done[i])C;
                num++;
                int crnt=a[i];
                int last=i;
                while(crnt){
                        if(s[crnt].lb(last)==s[crnt].end())break;
                        auto it=s[crnt].lb(last);
                        done[*it]=1;
                        last=*it;
                        s[crnt].era(*it);
                        crnt--;
                }
        }
        cout<<num<<endl;
}

• Subtask 1: 100 / 100