#include <stdio.h> #include <stdlib.h> #include <strings.h> #include <math.h> #define L 400 int cnt[L][L]; #define SCALE 0.7 #define CMAX (9) void dump() { FILE *fp=fopen("a.pgm","w"); fprintf(fp, "P5\n%d %d\n255\n",L,L); int ix,iy; for(ix=0;ix</math.h></strings.h></stdlib.h></stdio.h>