| #include <stdio.h> |
| #include <stdlib.h> |
| |
| #define nil 0 |
| #define false 0 |
| #define true 1 |
| #define bubblebase 1.61f |
| #define dnfbase 3.5f |
| #define permbase 1.75f |
| #define queensbase 1.83f |
| #define towersbase 2.39f |
| #define quickbase 1.92f |
| #define intmmbase 1.46f |
| #define treebase 2.5f |
| #define mmbase 0.0f |
| #define fpmmbase 2.92f |
| #define puzzlebase 0.5f |
| #define fftbase 0.0f |
| #define fpfftbase 4.44f |
| /* Towers */ |
| #define maxcells 18 |
| |
| /* Intmm, Mm */ |
| #define rowsize 40 |
| |
| /* Puzzle */ |
| #define size 511 |
| #define classmax 3 |
| #define typemax 12 |
| #define d 8 |
| |
| /* Bubble, Quick */ |
| #define sortelements 5000 |
| #define srtelements 500 |
| |
| /* fft */ |
| #define fftsize 256 |
| #define fftsize2 129 |
| /* |
| type */ |
| /* Perm */ |
| #define permrange 10 |
| |
| /* tree */ |
| struct node { |
| struct node *left,*right; |
| int val; |
| }; |
| |
| /* Towers */ /* |
| discsizrange = 1..maxcells; */ |
| #define stackrange 3 |
| /* cellcursor = 0..maxcells; */ |
| struct element { |
| int discsize; |
| int next; |
| }; |
| /* emsgtype = packed array[1..15] of char; |
| */ |
| /* Intmm, Mm */ /* |
| index = 1 .. rowsize; |
| intmatrix = array [index,index] of integer; |
| realmatrix = array [index,index] of real; |
| */ |
| /* Puzzle */ /* |
| piececlass = 0..classmax; |
| piecetype = 0..typemax; |
| position = 0..size; |
| */ |
| /* Bubble, Quick */ /* |
| listsize = 0..sortelements; |
| sortarray = array [listsize] of integer; |
| */ |
| /* FFT */ |
| struct complex { float rp, ip; } ; |
| /* |
| carray = array [1..fftsize] of complex ; |
| c2array = array [1..fftsize2] of complex ; |
| */ |
| |
| float value, fixed, floated; |
| |
| /* global */ |
| long seed; /* converted to long for 16 bit WR*/ |
| |
| /* Perm */ |
| int permarray[permrange+1]; |
| /* converted pctr to unsigned int for 16 bit WR*/ |
| unsigned int pctr; |
| |
| /* tree */ |
| struct node *tree; |
| |
| /* Towers */ |
| int stack[stackrange+1]; |
| struct element cellspace[maxcells+1]; |
| int freelist, movesdone; |
| |
| /* Intmm, Mm */ |
| |
| int ima[rowsize+1][rowsize+1], imb[rowsize+1][rowsize+1], imr[rowsize+1][rowsize+1]; |
| float rma[rowsize+1][rowsize+1], rmb[rowsize+1][rowsize+1], rmr[rowsize+1][rowsize+1]; |
| |
| /* Puzzle */ |
| int piececount[classmax+1], class[typemax+1], piecemax[typemax+1]; |
| int puzzl[size+1], p[typemax+1][size+1], n, kount; |
| |
| /* Bubble, Quick */ |
| int sortlist[sortelements+1], biggest, littlest, top; |
| |
| /* FFT */ |
| struct complex z[fftsize+1], w[fftsize+1], e[fftsize2+1]; |
| float zr, zi; |
| |
| void Initrand () { |
| seed = 74755L; /* constant to long WR*/ |
| } |
| |
| int Rand () { |
| seed = (seed * 1309L + 13849L) & 65535L; /* constants to long WR*/ |
| return( (int)seed ); /* typecast back to int WR*/ |
| } |
| |
| |
| /* The eight queens problem, solved 50 times. */ |
| /* |
| type |
| doubleboard = 2..16; |
| doublenorm = -7..7; |
| boardrange = 1..8; |
| aarray = array [boardrange] of boolean; |
| barray = array [doubleboard] of boolean; |
| carray = array [doublenorm] of boolean; |
| xarray = array [boardrange] of boardrange; |
| */ |
| |
| void Try(int i, int *q, int a[], int b[], int c[], int x[]) { |
| int j; |
| j = 0; |
| *q = false; |
| while ( (! *q) && (j != 8) ) { |
| j = j + 1; |
| *q = false; |
| if ( b[j] && a[i+j] && c[i-j+7] ) { |
| x[i] = j; |
| b[j] = false; |
| a[i+j] = false; |
| c[i-j+7] = false; |
| if ( i < 8 ) { |
| Try(i+1,q,a,b,c,x); |
| if ( ! *q ) { |
| b[j] = true; |
| a[i+j] = true; |
| c[i-j+7] = true; |
| } |
| } |
| else *q = true; |
| } |
| } |
| } |
| |
| void Doit () { |
| int i,q; |
| int a[9], b[17], c[15], x[9]; |
| i = 0 - 7; |
| while ( i <= 16 ) { |
| if ( (i >= 1) && (i <= 8) ) a[i] = true; |
| if ( i >= 2 ) b[i] = true; |
| if ( i <= 7 ) c[i+7] = true; |
| i = i + 1; |
| } |
| |
| Try(1, &q, b, a, c, x); |
| if ( !q ) printf (" Error in Queens.\n"); |
| } |
| |
| void Queens (int run) { |
| int i; |
| for ( i = 1; i <= 50; i++ ) Doit(); |
| printf("%d\n", run + 1); |
| } |
| |
| int main() |
| { |
| int i; |
| for (i = 0; i < 100; i++) Queens(i); |
| return 0; |
| } |