Submission #307105

#	Time	Username	Problem	Language	Result	Execution time	Memory
307105		Hemimor	Baloni (COCI15_baloni)	C++14	100 / 100	378 ms	7544 KiB

baloni

#include <algorithm>
#include <iostream>
#include <iomanip>
#include <numeric>
#include <cassert>
#include <vector>
#include <random>
#include <cmath>
#include <queue>
#include <set>
#include <map>
#define syosu(x) fixed<<setprecision(x)
using namespace std;
typedef long long ll;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef pair<int,int> P;
typedef pair<double,double> pdd;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<double> vd;
typedef vector<vd> vvd;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<string> vs;
typedef vector<P> vp;
typedef vector<vp> vvp;
typedef vector<pll> vpll;
typedef pair<int,P> pip;
typedef vector<pip> vip;
const int inf=1<<30;
const ll INF=1ll<<60;
const double pi=acos(-1);
const double eps=1e-8;
const ll mod=998244353;
const int dx[4]={-1,0,1,0},dy[4]={0,-1,0,1};

vi vin(int n,int d=0){
	vi a(n);
	for(auto &i:a){
		cin>>i;
		i-=d;
	}
	return a;
}

vvi gin(int n,int m,int d=1){
	vvi g(n);
	for(int i=0;i<m;i++){
		int u,v;
		cin>>u>>v;
		u-=d,v-=d;
		g[u].push_back(v);
		g[v].push_back(u);
	}
	return g;
}

const int M=1000001;
int n,b[M];
vi a;

int main(){
	cin>>n;
	a=vin(n);
	for(int i=n-1;i>=0;i--){
		int x=a[i];
		if(b[x-1]){
			b[x-1]--;
			b[x]++;
		}
		else b[x]++;
	}
	int res=0;
	for(auto i:b) res+=i;
	cout<<res<<endl;
}

• Subtask 1: 100 / 100