Submission #61325

#	Time	Username	Problem	Language	Result	Execution time	Memory
61325		istlemin	Art Class (IOI13_artclass)	C++14	7 / 100	126 ms	9456 KiB

artclass

#include "artclass.h"
#include<bits/stdc++.h>
 
using namespace std;
 
#define rep(i,a,b) for(int i = a; i<int(b);++i)
#define all(v) v.begin(),v.end()
#define sz(v) v.size()
#define trav(a,c) for(auto a: c)
 
typedef long long ll;
typedef vector<ll> vi;
typedef pair<ll,ll> pii;
 
ll h,w;
vector<vi> r,g,b;
 
ll sumDiff(ll dh,ll dw){
    ll sum = 0;
    rep(i,0,h){
        rep(j,0,w){
            if(i+dh<h){
				sum += abs(r[i][j]-r[i+dh][j]);
				sum += abs(g[i][j]-g[i+dh][j]);
				sum += abs(b[i][j]-b[i+dh][j]);
            }
            if(j+dw<w){
				sum += abs(r[i][j]-r[i][j+dw]);
				sum += abs(g[i][j]-g[i][j+dw]);
				sum += abs(b[i][j]-b[i][j+dw]);
            }
        }
    }
    return sum;
}
 
int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
    h = H; w = W;
    r.resize(h,vi(w));
    g.resize(h,vi(w));
    b.resize(h,vi(w));
	rep(i,0,h) rep(j,0,w){
		r[i][j] = R[i][j];
		g[i][j] = G[i][j];
		b[i][j] = B[i][j];
	}
	ll sumD = sumDiff(5,5);
    if(sumD<12000000LL) return 4;
    if(sumD<40000000LL) return 1;
    if(sumD<80000000LL) return 2;
	return 3;
}

• Subtask 1: 7 / 100