Submission #165020

#	Time	Username	Problem	Language	Result	Execution time	Memory
165020		Rouge_Hugo	Baloni (COCI15_baloni)	C++14	100 / 100	442 ms	7516 KiB

baloni

    #include <bits/stdc++.h>
    #define ll long long
    #define fast ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    using namespace std;
    int n;
    int a[1000009],b[1000009];
    int main()
    {
        cin>>n;
        for(int i=0;i<n;i++)cin>>a[i];
        for(int i=n-1;i>-1;i--)
        {
            if (b[a[i]-1]>0)b[a[i]-1]--;
            b[a[i]]++;
        }
        ll sum=0;
        for(int i=1;i<1000003;i++)sum+=b[i];
        cout<<sum;
    }

• Subtask 1: 100 / 100