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C/C++ code:
#include<stdio.h>
#include<math.h>
#define N 8
int x[N+1];
int count=0;
void output(int i);
int IsSetPlace(int k)
{
int i=1;
while(i<k)
{
if((x[i]==x[k]) | (abs(x[i]-x[k])==abs(i-k) ) )
return 0;
i++;
}
return 1;
}
void N_QUEENS(int n)
{
int i,k;
x[1]=0;
k=1;
while(k>0)
{
x[k]++;
while( (x[k]<=n) && (IsSetPlace(k)==0) )
x[k]++;
if(x[k]<=n)
{
if(k==n)
{
count++;
for(i=1;i<N+1;i++)
{
output(i);
}
printf("\n");
}
else
{
k++;
x[k]=0;
}
}
else
k--;
}
}
void main()
{
N_QUEENS(N);
printf("½á¹ûÊýĿΪ:%d\n",count);
}
void output(int i)
{
int a[N][N];
int j;
for(j=0;j<N;j++)
{
if(j==x[i]-1)
a[i-1][j]=1;
else
a[i-1][j]=0;
}
for(j=0;j<N;j++)
printf("%d ",a[i-1][j]);
printf("\n");
}
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gcc -O0 -g3 -Wall -c -fmessage-length=0 -oHelloWorld.o ..\HelloWorld.c
gcc -otest.exe HelloWorld.o
d:/MinGW/bin/../lib/gcc/mingw32/3.4.5/../../. ......
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#include <stdio.h>
main()
{
int a,b,sum;
a=1;b=2;
sum=a+b;
printf("sum is %d\n");
}
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//C ½Ó¿Ú
extern "C"
{
TESSDLL_API int __cdecl GetTessText(const char *imagefile, char *text);
}
//ÎÒÔÚC#ÖÐÉùÃ÷
//µ÷ÓÃC DLL Öеĺ¯Êý
[DllImport("OCRapi.dll&quo ......