Submission #1180246

#	Time	Username	Problem	Language	Result	Execution time	Memory
1180246		asli_bg	NLO (COCI18_nlo)	C++20	22 / 110	179 ms	131072 KiB

nlo

#include<bits/stdc++.h>
using namespace std;

#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;

#define int long long
//#define int double

typedef pair<int,int> pii;
typedef vector<pii> vii;
typedef vector<int> vi;
typedef vector<bool> vb;

#define FOR(i,a) for(int i=0;i<(a);i++)
#define FORE(i,a,b) for(int i=(a);i<(b);i++)

#define all(x) x.begin(),x.end()
#define fi first
#define se second
#define pb push_back
#define sp <<" "<<

#define cont(x) for(auto el:x) cout<<el<<' ';cout<<endl;
#define contp(x) for(auto el:x) cout<<el.fi<<'-'<<el.se<<' ';cout<<endl;

#define DEBUG(x) cout<<#x sp x<<endl;
#define carp(x,y) ((x%MOD)*(y%MOD))%MOD
#define topla(x,y) ((x%MOD)+(y%MOD))%MOD
#define mid (double)(l+r)/2

const int MAXN=1e5+5;
const int MOD=1e9+7;
const int INF=1e18;

vi kare;

void calc(){
    FORE(i,0,MAXN){
        kare.pb(i*i);
    }
}

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    calc();

    int n,m;
    cin>>n>>m;
    int k;
    cin>>k;

    vector<vi> grid(n+1, vi(m+1,k));

    vi x(k+1),y(k+1),r(k+1);
    FORE(i,1,k+1){
        cin>>x[i]>>y[i]>>r[i];
    }

    vector<vb> used(n+1,vb(m+1,false));
    for(int i=k;i>0;i--){
        int say=0;
        FORE(yy,y[i]-r[i],y[i]+r[i]+1){
            int deg=r[i]*r[i]-abs(yy-y[i])*abs(yy-y[i]);
            //DEBUG(deg);
            //karesi degten küçük max degeri bul
            auto c=upper_bound(all(kare),deg)-1-kare.begin();
            //DEBUG(c);

            FORE(xx,x[i]-c,x[i]+c+1){
                if(!used[xx][yy]){
                    used[xx][yy]=true;
                    grid[xx][yy]=k-i;
                    say++;
                }
            }
        }
    }

    int ans=0;
    FORE(i,1,n+1){
        FORE(j,1,m+1){
            ans+=grid[i][j];
        }
    }

    cout<<ans<<endl;
}   

• Subtask 1: 22 / 110