Submission #92102

#	Time	Username	Problem	Language	Result	Execution time	Memory
92102		314rate	Tavan (COCI16_tavan)	C++14	48 / 80	2 ms	504 KiB

tavan

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;

const int N=500+5;
const ll INF=(1LL<<60);

int n,hid,pos;
ll x;

ll add(ll a,ll b)
{
    return min(a+b,INF);
}

ll mul(ll a,ll b)
{
    if(a==INF || b==INF)
    {
        return INF;
    }
    if(a==0 || b==0)
    {
        return 0;
    }
    ll res=a*b;
    if(res%a || res%b || res/a!=b || res/b!=a || res>=INF)
    {
        return INF;
    }
    else
    {
        return res;
    }
}

ll expow(ll a,ll b)
{
    ll res=1;
    while(b)
    {
        if(b&1)
        {
            res=mul(res,a);
        }
        a=mul(a,a);
        b>>=1;
    }
    return res;
}

string s;
vector<int>w;

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin>>n>>hid>>pos>>x;
    cin>>s;
    for(int i=0;i<n;i++)
    {
        if(s[i]=='#')
        {
            w.push_back(i);
        }
    }
    for(int i=1;i<=hid;i++)
    {
        string a;
        cin>>a;
        sort(a.begin(),a.end());
        for(int j=1;j<=pos;j++)
        {
            ll mx=mul(j,expow(pos,hid-i));
            if(x<=mx)
            {
                x-=mul(j-1,expow(pos,hid-i));
                s[w[i-1]]=a[j-1];
                break;
            }
        }
    }
    cout<<s<<"\n";
    return 0;
}

• Subtask 1: 48 / 80