数独解题VC++源程序，原创的。
// ccc.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include <stdio.h>
#include <conio.h>
#include <ctype.h>
#include <iostream.h>
#include <stdlib.h>
int main(int argc, char* argv[])
{
int i,j,k,p,t,x,y,m,n,pn,tmpi,tmpj,na;
int ia,ja,tt=1,no=0,pm;
int sd[10][10][10],tmpp[10];
char ch;
FILE *fp;
for (i=1; i<10; i++){
for (j=1; j<10; j++){
for (k=0; k<10; k++){
sd[i][j][k]=k;
}
}
}
if( (fp = fopen( "data.sd", "r" )) == NULL )
printf( "\nThe file 'data.sd' was not opened\n" );
else
{
for (i=1; i<10; i++){
for (j=1; j<10; j++){
ch=fgetc(fp);
sd[i][j][0]= ch-0x30;
}
fgetc(fp);
}
fclose(fp);
}
/*
sd[1][1][0]=3; sd[1][2][0]=7; sd[1][3][0]=6;
sd[2][1][0]=0; sd[2][2][0]=0; sd[2][3][0]=0;
sd[3][1][0]=9; sd[3][2][0]=4; sd[3][3][0]=1;
sd[4][1][0]=2; sd[9][2][0]=8;
sd[5][1][0]=8;
sd[1][1][0]=0; sd[1][2][0]=0; sd[1][3][0]=0; sd[1][4][0]=0; sd[1][5][0]=0; sd[1][6][0]=0; sd[1][7][0]=0; sd[1][8][0]=0; sd[1][9][0]=0;
sd[2][1][0]=0; sd[2][2][0]=0; sd[2][3][0]=0; sd[2][4][0]=0; sd[2][5][0]=0; sd[2][6][0]=0; sd[2][7][0]=0; sd[2][8][0]=0; sd[2][9][0]=0;
sd[3][1][0]=0; sd[3][2][0]=0; sd[3][3][0]=0; sd[3][4][0]=0; sd[3][5][0]=0; sd[3][6][0]=0; sd[3][7][0]=0; sd[3][8][0]=0; sd[3][9][0]=0;
sd[4][1][0]=0; sd[4][2][0]=0; sd[4][3][0]=0; sd[4][4][0]=0; sd[4][5][0]=0; sd[4][6][0]=0; sd[4][7][0]=0; sd[4][8][0]=0; sd[4][9][0]=0;
sd[5][1][0]=0; sd[5][2][0]=0; sd[5][3][0]=0; sd[5][4][0]=0; sd[5][5][0]=0; sd[5][6][0]=0; sd[5][7][0]=0; sd[5][8][0]=0; sd[5][9][0]=0;
sd[6][1][0]=0; sd[6][2][0]=0; sd[6][3][0]=0; sd[6][4][0]=0; sd[6][5][0]=0; sd[6][6][0]=0; sd[6][7][0]=0; sd[6][8][0]=0; sd[6][9][0]=0;
sd[7][1][0]=0; sd[7][2][0]=0; sd[7][3][0]=0; sd[7][4][0]=0; sd[7][5][0]=0; sd[7][6][0]=0; sd[7][7][0]=0; sd[7][8][0]=0; sd[7][9][0]=0;
sd[8][1][0]=0; sd[8][2][0]=0; sd[8][3][0]=0; sd[8][4][0]=0; sd[8][5][0]=0; sd[8][6][0]=0; sd[8][7][0]=0; sd[8][8][0]=0; sd[8][9][0]=0;
sd[9][1][0]=0; sd[9][2][0]=0; sd[9][3][0]=0; sd[9][4][0]=0; sd[9][5][0]=0; sd[9][6][0]=0; sd[9][7][0]=0; sd[9][8][0]=0; sd[9][9][0]=0;
sd[1][1][0]=0; sd[1][2][0]=0; sd[1][3][0]=0; sd[1][4][0]=0; sd[1][5][0]=0; sd[1][6][0]=0; sd[1][7][0]=8; sd[1][8][0]=0; sd[1][9][0]=0;
sd[2][1][0]=0; sd[2][2][0]=0; sd[2][3][0]=6; sd[2][4][0]=5; sd[2][5][0]=0; sd[2][6][0]=0; sd[2][7][0]=0; sd[2][8][0]=4; sd[2][9][0]=3;
sd[3][1][0]=0; sd[3][2][0]=2; sd[3][3][0]=0; sd[3][4][0]=0; sd[3][5][0]=7; sd[3][6][0]=0; sd[3][7][0]=0; sd[3][8][0]=0; sd[3][9][0]=0;
sd[4][1][0]=0; sd[4][2][0]=0; sd[4][3][0]=3; sd[4][4][0]=6; sd[4][5][0]=0; sd[4][6][0]=0; sd[4][7][0]=0; sd[4][8][0]=0; sd[4][9][0]=0;
sd[5][1][0]=4; sd[5][2][0]=0; sd[5][3][0]=0; sd[5][4][0]=0; sd[5][5][0]=0; sd[5][6][0]=0; sd[5][7][0]=0; sd[5][8][0]=0; sd[5][9][0]=7;
sd[6][1][0]=0; sd[6][2][0]=0; sd[6][3][0]=0; sd[6][4][0]=0; sd[6][5][0]=0; sd[6][6][0]=8; sd[6][7][0]=1; sd[6][8][0]=0; sd[6][9][0]=0;
sd[7][1][0]=0; sd[7][2][0]=0; sd[7][3][0]=0; sd[7][4][0]=0; sd[7][5][0]=3; sd[7][6][0]=0; sd[7][7][0]=0; sd[7][8][0]=6; sd[7][9][0]=0;
sd[8][1][0]=8; sd[8][2][0]=9; sd[8][3][0]=0; sd[8][4][0]=0; sd[8][5][0]=0; sd[8][6][0]=1; sd[8][7][0]=2; sd[8][8][0]=0; sd[8][9][0]=0;
sd[9][1][0]=0; sd[9][2][0]=0; sd[9][3][0]=5; sd[9][4][0]=0; sd[9][5][0]=0; sd[9][6][0]=0; sd[9][7][0]=0; sd[9][8][0]=0; sd[9][9][0]=0;
*/
if( (fp = fopen( "sd.out", "w" )) == NULL ) printf( "\nThe file 'sd.out' was not opened\n" );
printf ("\n*************************************");
fprintf (fp,"\n*************************************");
for (i=1;i<10;i++){
printf ("\n");
fprintf (fp,"\n");
for (j=1;j<10;j++){
printf ("%d ",sd[i][j][0]);
fprintf (fp,"%d ",sd[i][j][0]);
}
}
printf ("\n*************************************\n");
fprintf (fp,"\n*************************************\n");
pn=0;
for (i=1;i<10;i++){
for (j=1;j<10;j++){
if (sd[i][j][0]==0) {
pn=pn+1;
for (k=1;k<10;k++){ if (sd[i][k][0]!=0) sd[i][j][sd[i][k][0]]=0;}
for (k=1;k<10;k++){ if (sd[k][j][0]!=0) sd[i][j][sd[k][j][0]]=0;}
tmpi=int((i-1)/3);tmpj=int((j-1)/3);
for (m=1;m<4;m++){
for(n=1;n<4;n++){
x=tmpi*3+m;y=tmpj*3+n;
if (sd[x][y][0]!=0) {sd[i][j][sd[x][y][0]]=0;}
}
}
}
else
{for (k=1;k<10;k++){sd[i][j][k]=0;}
}
}
}
printf ("\n****** pn=%d \n",pn);
fprintf (fp,"\n****** pn=%d \n",pn);
pm=pn;
_getch();
while (pn!=0) {
for (i=1;i<10;i++){
for (j=1;j<10;j++){
if (tt==1 && no<pm) {
no++;
printf ("\n\n** NO:%d ** ",no);
fprintf (fp,"\n\n** NO:%d ** ",no);
tt=0;
}
if (sd[i][j][0]==0) {
t=0;na=0;
for (p=1;p<10;p++) {
if (sd[i][j][p]!=0) {t=sd[i][j][p]; na=na+1;}
}
if (na==1) {
//----------------------------------------------------------------------------------------
printf ("i=%d j=%d t=%d **\n",i,j,t);
fprintf (fp,"i=%d j=%d t=%d **\n",i,j,t);
printf ("\n ------ i=%d --- j=%d ------[%d] ---------",i,j,sd[i][j][0]);
fprintf (fp,"\n ------ i=%d --- j=%d ------[%d] ---------",i,j,sd[i][j][0]);
for (p=1;p<10;p++){
printf ("%d ",sd[i][j][p]);
fprintf (fp,"%d ",sd[i][j][p]);
}
//----------------------------------------------------------------------------------------
sd[i][j][0]=t; pn=pn-1;
}
}
if (sd[i][j][0]==0) {
t=0;na=0;
for (k=1;k<10;k++) {tmpp[k]=sd[i][j][k];}
for (p=1;p<10;p++) {
for (k=1;k<10;k++){
if (sd[i][k][0]==0 && k!=j) {tmpp[p]=tmpp[p]+sd[i][k][p];}
}
}
for (p=1;p<10;p++) {
if (sd[i][j][p]!=0 && sd[i][j][p]==tmpp[p]) {t=sd[i][j][p]; na=na+1;}
}
if (na==1) {
//----------------------------------------------------------------------------------------
printf ("i=%d j=%d t=%d **\n",i,j,t);
fprintf (fp,"i=%d j=%d t=%d **\n",i,j,t);
for (p=1;p<10;p++){printf ("\t%d",sd[i][j][p]);fprintf (fp,"\t%d",sd[i][j][p]);}
printf ("\n");fprintf (fp,"\n");
for (p=1;p<10;p++){printf ("\t%d",tmpp[p]);fprintf (fp,"\t%d",tmpp[p]);}
for (k=1;k<10;k++){
printf ("\n ------ i=%d --- j=%d ------[%d] ---------",i,k,sd[i][k][0]);
fprintf (fp,"\n ------ i=%d --- j=%d ------[%d] ---------",i,k,sd[i][k][0]);
for (p=1;p<10;p++){
printf ("%d ",sd[i][k][p]);
fprintf (fp,"%d ",sd[i][k][p]);
}
}
//----------------------------------------------------------------------------------------
sd[i][j][0]=sd[i][j][t]; pn=pn-1;
}
}
if (sd[i][j][0]==0) {
t=0;na=0;
for (k=1;k<10;k++) {tmpp[k]=sd[i][j][k];}
for (p=1;p<10;p++) {
for (k=1;k<10;k++) {
if (sd[k][j][0]==0 && k!=i) {tmpp[p]=tmpp[p]+sd[k][j][p];}
}
}
for (p=1;p<10;p++) {
if (sd[i][j][p]!=0 && sd[i][j][p]==tmpp[p]) {t=sd[i][j][p]; na=na+1;}
}
if (na==1) {
//----------------------------------------------------------------------------------------
printf ("i=%d j=%d t=%d **\n",i,j,t);
fprintf (fp,"i=%d j=%d t=%d **\n",i,j,t);
for (p=1;p<10;p++){
printf ("\t%d",sd[i][j][p]);
fprintf (fp,"\t%d",sd[i][j][p]);
}
printf ("\n");
fprintf (fp,"\n");
for (p=1;p<10;p++){
printf ("\t%d",tmpp[p]);
fprintf (fp,"\t%d",tmpp[p]);
}
for (k=1;k<10;k++){
printf ("\n ------ i=%d --- j=%d ------[%d] ---------",k,j,sd[k][j][0]);
fprintf (fp,"\n ------ i=%d --- j=%d ------[%d] ---------",k,j,sd[k][j][0]);
for (p=1;p<10;p++){
printf ("%d ",sd[k][j][p]);
fprintf (fp,"%d ",sd[k][j][p]);
}
}
//----------------------------------------------------------------------------------------
sd[i][j][0]=sd[i][j][t]; pn=pn-1;
}
}
if (sd[i][j][0]==0) {
t=0;na=0;
for (k=1;k<10;k++) {tmpp[k]=sd[i][j][k];}
tmpi=int((i-1)/3); tmpj=int((j-1)/3);
for (p=1;p<10;p++) {
for (m=1;m<4;m++) {
x=tmpi*3+m;
for (n=1;n<4;n++) {
y=tmpj*3+n;
if (sd[x][y][0]==0 && !(x==i && y==j)) {tmpp[p]=tmpp[p]+sd[x][y][p];}
}
}
}
for (p=1;p<10;p++) {
if (sd[i][j][p]!=0 && sd[i][j][p]==tmpp[p]) {t=sd[i][j][p]; na=na+1;}
}
if (na==1) {
//----------------------------------------------------------------------------------------
printf ("i=%d j=%d t=%d **\n",i,j,t);
fprintf (fp,"i=%d j=%d t=%d **\n",i,j,t);
for (p=1;p<10;p++){
printf ("\t%d",sd[i][j][p]);
fprintf (fp,"\t%d",sd[i][j][p]);
}
printf ("\n");
fprintf (fp,"\n");
for (p=1;p<10;p++){
printf ("\t%d",tmpp[p]);
fprintf (fp,"\t%d",tmpp[p]);
}
tmpi=int((i-1)/3); tmpj=int((j-1)/3);
for (m=1;m<4;m++){
for (n=1;n<4;n++){
x=tmpi*3+m; y=tmpj*3+n;
printf ("\n ------ x=%d --- y=%d ------[%d] ---------",x,y,sd[x][y][0]);
fprintf (fp,"\n ------ x=%d --- y=%d ------[%d] ---------",x,y,sd[x][y][0]);
for (p=1;p<10;p++){
printf ("%d ",sd[x][y][p]);
fprintf (fp,"%d ",sd[x][y][p]);
}
}
}
//----------------------------------------------------------------------------------------
sd[i][j][0]=sd[i][j][t]; pn=pn-1;
}
}
if (na==1) {
for (k=1;k<10;k++) {sd[i][j][k]=0;sd[i][k][sd[i][j][0]]=0;sd[k][j][sd[i][j][0]]=0;}
tmpi=int((i-1)/3); tmpj=int((j-1)/3);
for (m=1;m<4;m++){
for (n=1;n<4;n++){
x=tmpi*3+m; y=tmpj*3+n;
sd[x][y][sd[i][j][0]]=0;
}
}
printf ("\n");
fprintf (fp,"\n");
for (ia=1;ia<10;ia++){
printf ("\n");
fprintf (fp,"\n");
for (ja=1;ja<10;ja++){
printf ("%d ",sd[ia][ja][0]);
fprintf (fp,"%d ",sd[ia][ja][0]);
}
}
na=0;tt=1;
_getch();
}//end if
}//end j
}//end i
// _getch();
}//end while
printf ("\n\n ***** 结果 *****");
fprintf (fp,"\n\n ***** 结果 *****");
for (i=1;i<10;i++){
printf ("\n");
fprintf (fp,"\n");
for (j=1;j<10;j++){
printf ("%d ",sd[i][j][0]);
fprintf (fp,"%d ",sd[i][j][0]);
}
}
fclose(fp);
printf("\n\nHello World!\n");
_getch();
return 0;
}
数独解题.rar （23个子文件） 
ccc 
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ccc.exe 168KB
ReadMe.txt 1KB
代码小农2013-10-17写的很详细，对我很有帮助
