1 #include<stdio.h> 2 #define ROW 4 3 #define COV 4 4 5 6 int getkeys(int array[ROW][COV],int n) 7 { 8 int temp[ROW][COV]; 9 int num=0; 10 int p=0,q=-1; 11 int keke; 12 int i,j,k; 13 int a=0,b=0; 14 if(n==1) 15 { 16 return array[0][0]; 17 } 18 for(i=0;i<n;i++) 19 { 20 a=0;b=0; 21 for(j=0;j<n;j++) 22 { 23 if(j==i) 24 continue; 25 for(k=1;k<n;k++) 26 { 27 temp[a][b]=array[j][k]; 28 b++; 29 } 30 b=0; 31 a++; 32 } 33 if(i%2==0) 34 q=1; 35 else 36 q=-1; 37 38 39 num+=array[i][0]*q*getkeys(temp,n-1); 40 41 } 42 return num; 43 } 44 45 int main() 46 { 47 int keys[ROW][COV]={1,12,33,43,12,5,57,32,67,5,7,2,46,6,8,1}; 48 int i=getkeys(keys,4); 49 printf("%d",i); 50 }