Triangolo di tartaglia

#include <stdio.h>
#define N 10
/**
  * Triangolo di tartaglia
  * Sukhdev Mohan
  * [email protected]
  **/


int main(){
    int i, j, matr[N][N];

    for(i = 0; i < N; i++)
        for(j = 0; j < N; j++)
            matr[i][j] = 0;

    matr[0][0] = 1;

    for(i = 1; i < N; i++){
        matr[i][0] = 1;
        for(j = 1; j < N; j++){
            matr[i][j] = matr[i-1][j-1] + matr[i-1][j];
        }
    }

    for(i=0; i<N; i++){
        for(j=1; j < (N-i)*3; j++){
            printf(" ");
        }

        for(j=0; j<=i; j++){
            printf(" %6d ", matr[i][j]);
        }
        printf("\n");
    }

    return 0;
}