제출 #72568

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
72568	2018-08-26 09:33:53	RezwanArefin01	미술 수업 (IOI13_artclass)	C++17	0 / 100	249 ms	66560 KiB

artclass

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#include <bits/stdc++.h>
#include "artclass.h"
using namespace std; 
int dx[] = {0, 0, 1, -1, 1, 1, -1, -1}; 
int dy[] = {1, -1, 0, 0, -1, 1, 1, -1}; 
struct point {
    int r, g, b; 
    point(int _r = 0, int  _g = 0, int _b = 0) :
        r(_r), g(_g), b(_b) {} 
} p[500][500]; 
int n, m; 
int sq(int x) { return x * x; }
double dist(point a, point b) {
    return sqrt(sq(a.r - b.r) + sq(a.b - b.b) + sq(a.g - b.g)); 
}
double get_noise() {
    int cnt = 0; 
    for(int i = 0; i < n; i++) {
        for(int j = 0; j < m; j++) {
            int diff = 0;
            for(int k = 0; k < 8; k++) {
                int ii = i + dx[k], jj = j + dy[k]; 
                if(ii >= 0 && ii < n && jj >= 0 && jj < m) 
                    if(dist(p[i][j], p[ii][jj]) > 10) diff++; 
            } if(diff >= 5) cnt++; 
 
 
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컴파일 시 표준 에러 (stderr) 메시지

artclass.cpp: In function 'double get_close(std::vector<point>)':
artclass.cpp:41:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int k = 0; k < q.size(); k++) {
                            ~~^~~~~~~~~~

• Subtask 1: 0 / 100