whats wrong in my program

/* SU DOKU */

#include
void main()
{
int k[9][9],K[9][9];
int i,j,i1,j1,i2,j2;
int errer,temp;
int count=0;

for(i=0;i<9;i++) for(j=0;j<9;j++) K[i][j]=0; for(i=0;i<9;i++) for(j=0;j<9;j++) { cin>>K[i][j];
k[i][j]=K[i][j];
}
cout<<"O.K.? (Enter 0 if OK, 1 to update): "; cin>>error;
if(error==0)
matrixvalidation;

matrixupdation:
while(1)
{
cout<<"Enter Row, Col, Revised number:(0 to exit) "; cin>>i;
if(i==0)break;
cin>>j>>temp;
if(i>0&&j>0&&temp>=0&&i<10&&j<10&&temp<10) { K[i-1][j-1]=temp; k[i-1][j-1]=temp; } else cout<<"Enter row/column 1 to 9 & number 0 to 9 only. "; } matrixvalidation: cout<<" Input matrix: "; for(i=0;i<9;i++) { for(j=0;j<9;j++) cout<9)
{
cout<<" "<0) goto chksol;
for(k[i][j]++;k[i][j]<=9;k[i][j]++) { error=0; for(i1=0;i1<9;i1++) if(i!=i1&&k[i][j]==k[i1][j])error=1; for(j1=0;j1<9;j1++) if(j!=j1&&k[i][j]==k[i][j1])error=1; for(i1=0;i1<9;i1++) for(j1=0;j1<9;j1++) if((i!=i1||j!=j1)&&i/3==i1/3&&j/3==j1/3&&k[i][j]==k[i1][j1]) error=1; if(error==0)break; } if(k[i][j]>9)
{
k[i][j]=0;
do
{
if(i==0&&j==0)goto nomoresol;
if(j>0)j–;else{j=8;i–;}
}while(K[i][j]>0);
j–;
}
chksol: if(i==8&&j==8)
{
cout<<" Solution: "<<++count<<" "; for(i1=0;i1<9;i1++) { for(j1=0;j1<9;j1++) cout<0)
{
if(i==0&&j==0)goto nomoresol;
if(j>0)j–;else{j=8;i–;}
}
k[i][j]=0;
do
{
if(i==0&&j==0)goto nomoresol;
if(j>0)j–;else{j=8;i–;}
}while(K[i][j]>0);
j–;
}
}
nomoresol:
if(count>0)
cout<<" No more solutions. "; else cout<<"No solution. "; }