Submission #649587

#	Time	Username	Problem	Language	Result	Execution time	Memory
649587		ShahdMohamed	Collecting Mushrooms (NOI18_collectmushrooms)	C++17	38 / 100	16 ms	4840 KiB

mushrooms

///LW M4 ACC HAZ3L GAMED
///YARAB WALA...I MEAN YARAB ACC
#include<bits/stdc++.h>
#define ll long long
#define ld long double
#define endl "\n"
const ll mod = (ll) 1e9 + 7;
const ll even = (ll) 1e9 + 2;
const ll oo= (ll) 1e16;
using namespace std;
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);

    ll n,m,x,y;
    cin>>n>>m>>x>>y;
    vector<vector<char>>v(n,vector<char>(m));
    for (ll i=0; i<n; i++)
    {
        for (ll j=0; j<m; j++)
            cin>>v[i][j];
    }
    vector<ll>frq(m+1);
    for (ll i=0; i<n; i++)
    {
        for (ll j=0; j<m; j++)
        {
            if (v[i][j]=='S')
            {
                frq[max(0ll,j-x)]++;
                frq[min(m,j+x+1)]--;
            }
        }
    }
    for (ll i=1; i<=m; i++)
        frq[i]+=frq[i-1];
    ll ans=0;
    for (ll i=0; i<n; i++)
    {
        for (ll j=0; j<m; j++)
        {
            if (v[i][j]=='M' and frq[j]>=y)ans++;
        }
    }
    cout<<ans<<endl;

    return 0;
}

• Subtask 1: 9 / 9
• Subtask 2: 10 / 10
• Subtask 3: 0 / 18
• Subtask 4: 0 / 23
• Subtask 5: 19 / 19
• Subtask 6: 0 / 21