oj.uz

Submission #1805

# Submission time Handle Problem Language Result Execution time Memory
1805 2013-07-16T13:49:23 Z ainta Art Class (IOI13_artclass) C++
36 / 100
 150 ms 8636 KB 
#include "artclass.h"

int abs(int a){
	return a<0?-a:a;
}
int P[501][501],C,Q[250001],h,t,HH,WW,Count[250001];
int Ca[501],Cb[501],Cc[1001],Cd[1001];
struct A{
	int r,g,b;
}w[501][501];
struct B{
	int r,g,b;
}o[250001];
void Ins(int x,int y){
	P[x][y]=C,Q[++t]=WW*x+y;
}
int pow2(int a){
	return a*a;
}
void Do(int x,int y){
	if(x<0||y<0||x>=HH||y>=WW||P[x][y])return;
	if(pow2(abs(w[x][y].r-o[C].r))+pow2(abs(w[x][y].g-o[C].g))+pow2(abs(w[x][y].b-o[C].b))>1000)return;
	return Ins(x,y);
}
void BFS(int x,int y){
	o[C].r=w[x][y].r,o[C].g=w[x][y].g,o[C].b=w[x][y].b;
	h=t=0;
	Ins(x,y);
	while(h<t){
		Count[C]++;
		++h;
		x=Q[h]/WW,y=Q[h]%WW;
		Do(x-1,y);
		Do(x+1,y);
		Do(x,y-1);
		Do(x,y+1);
	}
}
int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
	HH=H,WW=W;
	int i,j,GG=0,BB=0,RR=0;
	for(i=0;i<H;i++)
		for(j=0;j<W;j++)
			w[i][j].r=R[i][j],w[i][j].g=G[i][j],w[i][j].b=B[i][j],GG+=G[i][j],BB+=B[i][j],RR+=R[i][j];
	for(i=0;i<H;i++){
		for(j=0;j<W;j++){
			if(!P[i][j]){
				C++;
				BFS(i,j);
			}
		}
	}
	int Sa=0,Sb=0,Sc=0,Sd=0;
	for(i=0;i<H;i++){
		for(j=0;j<W;j++){
			if(j<W-1 && P[i][j]!=P[i][j+1])Ca[j]++,Sa++;
			if(i<H-1 && P[i][j]!=P[i+1][j])Cb[i]++,Sb++;
			if(i<H-1 && j<H-1 && P[i][j]!=P[i+1][j+1])Cc[i+j]++,Sc++;
			if(i<H-1 && j && P[i][j]!=P[i+1][j-1])Cd[i-j+W]++,Sd++;
		}
	}
	Sa/=W,Sb/=H;
	int C1=0,C2=0,C3=0,C4=0;
	for(i=0;i<W-1;i++)if(Ca[i]-Sa>=H/3)C1++;
	for(i=0;i<H-1;i++)if(Cb[i]-Sb>=W/3)C2++;
	if(C1>1 && C2>1)return 1;
	if(C1>1 || C2>1)return 4;
	if(GG/(H*W)>BB/(H*W)+10 && GG/(H*W)>RR/(H*W)+10)return 2;
	return 3;
}

Compilation message

artclass.cpp: In function 'int style(int, int, int (*)[500], int (*)[500], int (*)[500])':
artclass.cpp:63:16: warning: unused variable 'C3' [-Wunused-variable]
  int C1=0,C2=0,C3=0,C4=0;
                ^~
artclass.cpp:63:21: warning: unused variable 'C4' [-Wunused-variable]
  int C1=0,C2=0,C3=0,C4=0;
                     ^~

Subtask #1
36.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 101 ms 8120 KB Output isn't correct
2 Correct 115 ms 8636 KB Output is correct
3 Incorrect 118 ms 8636 KB Output isn't correct
4 Correct 115 ms 8120 KB Output is correct
5 Incorrect 104 ms 8120 KB Output isn't correct
6 Correct 50 ms 8636 KB Output is correct
7 Incorrect 99 ms 8120 KB Output isn't correct
8 Correct 67 ms 7472 KB Output is correct
9 Correct 77 ms 8636 KB Output is correct
10 Correct 126 ms 8636 KB Output is correct
11 Correct 26 ms 8636 KB Output is correct
12 Correct 104 ms 8636 KB Output is correct
13 Correct 45 ms 8636 KB Output is correct
14 Incorrect 94 ms 8120 KB Output isn't correct
15 Incorrect 105 ms 8120 KB Output isn't correct
16 Correct 88 ms 8636 KB Output is correct
17 Incorrect 124 ms 8120 KB Output isn't correct
18 Correct 98 ms 8636 KB Output is correct
19 Incorrect 102 ms 8636 KB Output isn't correct
20 Correct 148 ms 8636 KB Output is correct
21 Correct 108 ms 8636 KB Output is correct
22 Correct 123 ms 7372 KB Output is correct
23 Correct 108 ms 7472 KB Output is correct
24 Correct 111 ms 8636 KB Output is correct
25 Correct 116 ms 8636 KB Output is correct
26 Incorrect 69 ms 4340 KB Output isn't correct
27 Correct 125 ms 7840 KB Output is correct
28 Correct 86 ms 8348 KB Output is correct
29 Correct 94 ms 8636 KB Output is correct
30 Correct 150 ms 8120 KB Output is correct
31 Correct 116 ms 7624 KB Output is correct
32 Incorrect 100 ms 8120 KB Output isn't correct
33 Correct 135 ms 8120 KB Output is correct
34 Correct 93 ms 8636 KB Output is correct
35 Correct 125 ms 8636 KB Output is correct
36 Incorrect 100 ms 8120 KB Output isn't correct
37 Correct 64 ms 8348 KB Output is correct
38 Incorrect 68 ms 8636 KB Output isn't correct
39 Incorrect 112 ms 8636 KB Output isn't correct
40 Incorrect 123 ms 8120 KB Output isn't correct
41 Incorrect 101 ms 8120 KB Output isn't correct
42 Correct 125 ms 8636 KB Output is correct
43 Incorrect 94 ms 8120 KB Output isn't correct
44 Correct 79 ms 8636 KB Output is correct
45 Correct 79 ms 8348 KB Output is correct
46 Correct 124 ms 8636 KB Output is correct
47 Correct 122 ms 8120 KB Output is correct
48 Incorrect 123 ms 8120 KB Output isn't correct
49 Correct 62 ms 8348 KB Output is correct
50 Correct 70 ms 8636 KB Output is correct
51 Incorrect 73 ms 8120 KB Output isn't correct
52 Incorrect 107 ms 8636 KB Output isn't correct
53 Correct 111 ms 8120 KB Output is correct
54 Correct 110 ms 8120 KB Output is correct
55 Correct 58 ms 8636 KB Output is correct
56 Incorrect 125 ms 8636 KB Output isn't correct
57 Correct 74 ms 8120 KB Output is correct
58 Correct 68 ms 8120 KB Output is correct
59 Incorrect 95 ms 8120 KB Output isn't correct
60 Correct 135 ms 8120 KB Output is correct
61 Incorrect 128 ms 8120 KB Output isn't correct
62 Correct 94 ms 8636 KB Output is correct
63 Correct 110 ms 7840 KB Output is correct
64 Incorrect 92 ms 8120 KB Output isn't correct
65 Correct 108 ms 8120 KB Output is correct
66 Incorrect 97 ms 8636 KB Output isn't correct
67 Correct 125 ms 8120 KB Output is correct
68 Incorrect 111 ms 8636 KB Output isn't correct
69 Correct 86 ms 8636 KB Output is correct
70 Correct 101 ms 8636 KB Output is correct
71 Incorrect 95 ms 8120 KB Output isn't correct
72 Correct 127 ms 8120 KB Output is correct
73 Correct 74 ms 8348 KB Output is correct
74 Incorrect 100 ms 8636 KB Output isn't correct
75 Correct 58 ms 8636 KB Output is correct
76 Correct 71 ms 8120 KB Output is correct
77 Correct 94 ms 7508 KB Output is correct
78 Correct 109 ms 8120 KB Output is correct
79 Correct 133 ms 7720 KB Output is correct
80 Correct 102 ms 8636 KB Output is correct
81 Incorrect 130 ms 8120 KB Output isn't correct
82 Incorrect 103 ms 8120 KB Output isn't correct
83 Correct 95 ms 8636 KB Output is correct
84 Incorrect 101 ms 8636 KB Output isn't correct
85 Incorrect 133 ms 8120 KB Output isn't correct
86 Incorrect 89 ms 8636 KB Output isn't correct
87 Incorrect 91 ms 8120 KB Output isn't correct
88 Incorrect 104 ms 8120 KB Output isn't correct
89 Correct 127 ms 8636 KB Output is correct
90 Correct 109 ms 8636 KB Output is correct
91 Correct 76 ms 8636 KB Output is correct
92 Correct 123 ms 8636 KB Output is correct
93 Incorrect 93 ms 8636 KB Output isn't correct
94 Incorrect 103 ms 8120 KB Output isn't correct
95 Correct 92 ms 8636 KB Output is correct
96 Correct 106 ms 8120 KB Output is correct
97 Correct 107 ms 8636 KB Output is correct
98 Incorrect 141 ms 8120 KB Output isn't correct
99 Incorrect 107 ms 8120 KB Output isn't correct
100 Correct 106 ms 8636 KB Output is correct
101 Incorrect 103 ms 8120 KB Output isn't correct
102 Correct 101 ms 8636 KB Output is correct