Submission #382933

#TimeUsernameProblemLanguageResultExecution timeMemory
382933victoriadBaloni (COCI15_baloni)C++14
40 / 100
2098 ms3948 KiB
#include <fstream>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
#include <utility>
#include <queue>
using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    int n;
    cin>>n;
    vector<bool>p(n,false);
    int x=0;
    vector<int>a(n);
    for(int i=0;i<n;i++){
        cin>>a[i];
    }
    int y;
    for(int i=0;i<n;i++){
        if(p[i])continue;
        x++;
        p[i]=true;
        y=a[i]-1;
        for(int j=0;j<n;j++){
            if(!p[j]&&a[j]==y){
                p[j]=true;
                y--;
                if(y==0)break;
            }
        }
    }
    cout<<x;
  return 0;
}








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