det

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#define M 10
int asignarmatriz(int matriz[M][M],int n);
int det(int matriz[M][M],int n);
void mat(int matriz[M][M],int n,int k,int mataux[M][M]);

int main(int argc, char** argv) {
    int n;
    int matriz[M][M];
    //while(scanf("%d",n)!=EOF){
    n=2;
    asignarmatriz(matriz,n);
    printf("%d",det(matriz,n));
    //}
    return (EXIT_SUCCESS);
}

int asignarmatriz(int matriz[M][M],int n){
    int i,j;
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++){
            scanf("%d",&matriz[i][j]);
        }
    }
}

int det(int matriz[M][M],int n){
    int det1,k;
    int mataux[M][M];
    if (n==1)
        return matriz[1][1];
    det1=0;
    for (k=1;k<=n;k++){
        mat(matriz,n,k,mataux);
        det1=1;
        det1=det1+pow((-1),(1+k))*(matriz[1][k])*det(mataux,n-1);
    }
    return det;
}

void mat(int matriz[M][M],int n,int k,int mataux[M][M]){
    int i,j;
    for (i=1;i<=n-1;i++){
        for (j=1;j<=k-1;j++){
            mataux[i][j]=matriz[i+1][j];
        }
        for (j=k;j<=n-1;j++){
            mataux[i][j]=matriz[i+1][j+1];
        }
    }
}