| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 8054 | gs14004 | Art Class (IOI13_artclass) | C++98 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "artclass.h"
#include <cstdlib>
#include <cmath>
#define D(i,j,k,l) (abs(R[i][j] - R[k][l])+abs(G[i][j] - G[k][l])+abs(B[i][j] - B[k][l]))
int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
double delta = 0;
int meanR = 0, meanG = 0, meanB = 0;
int devR = 0, devG = 0, devB = 0;
int buckR[16] = {}, buckG[16] = {}, buckB[16] = {};
for (int i=0; i<H; i++) {
for (int j=0; j<W; j++) {
meanR += R[i][j];
meanG += G[i][j];
meanB += B[i][j];
buckR[R[i][j]>>4]++;
buckG[G[i][j]>>4]++;
buckB[B[i][j]>>4]++;
}
}
meanR /= H*W*16;
meanG /= H*W*16;
meanB /= H*W*16;
for (int i=0; i<16; i++) {
devR += buckR[i] * (meanR - i)*(meanR - i);
devG += buckG[i] * (meanG - i)*(meanG - i);
devB += buckB[i] * (meanB - i)*(meanB - i);
}
int alldev = (devR + devG + devB) / (H*W);
for (int i=0; i<H; i++) {
for (int j=0; j<W-1; j++) {
double x = sqrt(D(i,j,i,j+1));
if(x > 2.1 )delta += x;
}
}
for (int j=0; j<W; j++) {
for (int i=0; i<H-1; i++) {
double x = sqrt(D(i,j,i+1,j));
if(x > 2.1) delta += x;
}
}
double t = 100.0 * delta / (2 * W * H - H - W);
if(t > 660) return 3;
else if(t > 400) return 2;
else if(t < 170) return 4;
else if(t > 210) return 1;
else{
return alldev > 70 ? 1 : 4;
}
}
int main(){
int W,H;
int R[500][500], G[500][500], B[500][500];
freopen("style-4-4.txt","r",stdin);
scanf("%d %d",&H,&W);
for (int i=0; i<H; i++) {
for (int j=0; j<W; j++) {
scanf("%d %d %d",&R[i][j],&G[i][j],&B[i][j]);
}
}
printf("%d",style(H,W,R,G,B));
}
// 321 [432] 416 311 [201] 339 271 203 255 [121 ~ 226]
// 465 495 [415] 443 [679] 535 461 569 454 [224 ~ 307]
// 916 [656] [963] 943 909 695 854 803 659 [296 ~ 377]
// 137 243 [111] [257] 159 194 221 203 212 [77 ~ 165] [409]