运行程序时,我不断遇到分段错误。当程序试图访问计算机无法物理寻址的内存时,通常会发生分段错误。我无法确定问题出在哪里。
编辑:我在扫描变量时更改了添加 & 但这并不能解决分段错误的问题
这是我的代码:
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
void userEnter(int*pattern, int n);
void print( int * s, int n);
void recurs( int * s, int * a, int n, int wpegs, int bpegs);
bool Done (int*s);
bool bPegs(int*a ,int*s, int bpegs, int wpegs, int n);
bool wPegs(int* modcom, int* modoriginal, int*s, int wpegs, int w);
void change(int*modoriginal, int*modcom, int i, int k, int w);
int main(void)
{
int i, n, bpegs, wpegs;
printf("Enter the pattern length: ");
scanf("%d",&n);
int *a = (int*)malloc((n)*(sizeof(int)));
printf("Input the guess pattern: ");
int pattern[n];
userEnter(pattern, n);
printf("Enter the number of black pegs in the feedback: ");
scanf("%d",&bpegs);
printf("Enter the number of white pegs in the feedback: ");
scanf("%d",&wpegs);
printf("The possible key patterns are: ");
for(i=0; i<=n-1; i++)
{
a[i]=0;
}
print(a, n);
recurs(a, pattern, n, wpegs, bpegs);
}
void userEnter(int*pattern, int n)
{
char input[n];
scanf("%s",&input);
int i;
for(i = 0; i < n-1; i++)
{
pattern[i] = input[i]-65;
}
}
void print( int * s, int n)
{
int i;
printf( "\n" );
for( i = n-1; i >= 0; i-- )
{
printf( "%c", ( s[ i ] + 65 ) );
}
}
void recurs( int * s, int * a, int n, int wpegs, int bpegs)
{
int i;
if(Done(s))
{
print( s, n);
printf( "\nAccomplisshed!\n" );
}
else{
s[ 0 ] += 1;
for( i = 0; i < n-1; i++ )
{
if( s[ i ] == 6 ){
s[ i ] = 0;
s[ i + 1 ] += 1;
}
}
if(bPegs(a ,s, bpegs, wpegs, n))
{
print( s, n);
}
recurs(s, a, n, wpegs, bpegs);
}
}
bool Done (int*s)
{
int i;
bool done=true;
for (i=0;i<=11;i++)
{
if(s[i]!=5)
{
done=false;
}
}
return done;
}
bool bPegs(int*a ,int*s, int bpegs, int wpegs, int n)
{
int i,j,c=0;
bool d = false;
for(i=0; i<n-1; i++)
{
if(a[i]==s[i])
{
c++;
}
}
int x =n-c;
int* modcom;
int*modoriginal;
modcom=(int*)malloc((x)*(sizeof(int)));
modoriginal=(int*)malloc((x)*(sizeof(int)));
int w=0;
for(j=0; j<n-1; j++)
{
if(a[j]!=s[j])
{
modcom[w]=s[j];
modoriginal[w]=a[j];
w++;
}
}
if(c==bpegs)
{
d = wPegs(modcom, modoriginal, s, wpegs, w);
}
return d;
}
bool wPegs(int*modcom, int*modoriginal, int*s, int wpegs, int w)
{
int i, k, count=0;
for(i=0; i<=w; i++)
{
for(k=0; k<=w; k++)
{
if (modoriginal[i]==modcom[k])
{
count++;
change(modoriginal, modcom, i, k, w);
}
}
}
if(wpegs==count)
{
return true;
}
else
{
return false;
}
}
void change(int*modoriginal, int*modcom, int i, int k, int w)
{
int c, o;
for(c=i-1; c<w-1; c++)
{
modoriginal[c]=modoriginal[c+1];
}
for(o=k-1;o<w-1;o++)
{
modcom[o]=modcom[o+1];
}
}