Submission #523337

#	Time	Username	Problem	Language	Result	Execution time	Memory
523337		lucri	Group Photo (JOI21_ho_t3)	C++17	0 / 100	1 ms	204 KiB

Main

#include <iostream>
using namespace std;
int n,v[5010],ans;
int main()
{
    cin>>n;
    for(int i=1;i<=n;++i)
        cin>>v[i];
    bool ok=false;
    while(ok==false)
    {
        ok=true;
        for(int i=1;i<n;++i)
        {
            if(v[i]>=v[i+1]+2)
            {
                ok=true;
                ++ans;
                swap(v[i],v[i+1]);
            }
        }
        for(int i=n;i>1;--i)
        {
            if(v[i-1]>=v[i]+2)
            {
                ok=true;
                ++ans;
                swap(v[i],v[i-1]);
            }
        }
    }
    cout<<ans;
    return 0;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 7
• Subtask 3: 0 / 32
• Subtask 4: 0 / 20
• Subtask 5: 0 / 36