int Setbit(int* A,int RowSize){
    int i = 0;int Sum = 0;
    for(i = 0;i < RowSize;i++)
        if(A[i] == 0)
        Sum ^= 1<<(RowSize-i-1);
    return Sum;
}//Setbit;

bool Readbit(int S,int i,int RowSize){
    return S&( 1 <<  (RowSize-1-i));
}//readbit;

void setzero(int** matrix,int RowSize,int ColSize,int Col, int Row){
    int Z = 0;
    for(Z = 0; Z < RowSize;Z ++)  *(*(matrix+Col)+Z) = 0; 
    for(Z = 0;Z < ColSize;Z ++) *(*(matrix+Z)+Row) = 0;
}//setzero

void setZeroes(int** matrix, int matrixRowSize, int matrixColSize) {
    
    int a,b,c;int Z = 0;
    a = 0;b = c = 0;
    int *s = (int*)calloc(matrixColSize,sizeof(int));
    for(a = 0; a < matrixColSize; a++){
        int *A = (int*)malloc(sizeof(int)*matrixRowSize);
        memcpy(A,matrix[a],matrixRowSize*sizeof(int));
        s[a] = Setbit(A,matrixRowSize);    
    }//setbit
    
    for(a = 0; a < matrixColSize; a++){
        if(s[a] !=0 ) 
            for(b = 0; b < matrixRowSize; b++)
                if( Readbit(s[a],b,matrixRowSize))
                setzero(matrix,matrixRowSize,matrixColSize,a,b);    
    }
    free(s);
}
int main(){
    
        int N,M;int i,j;i = j = 0;
    scanf("%d %d",&N,&M);
    int **matrix = (int**)malloc(sizeof(int*)*N);
    for(i = 0; i < N;i ++){
        matrix[i] = (int*)calloc(M,sizeof(int));
        for(j = 0; j < M; j++){
            scanf("%d",&matrix[i][j]);
        }
    }        
    printf("N === %d M === %d\n",N,M);
    for(i = 0; i < N; i++){
        for( j = 0; j < M; j ++){
            printf("matrix[%d][%d] == %d\t",i,j,matrix[i][j]);
        }
        printf("\n");
    }//打印读入的二维数组
    
    setZeroes(matrix,M,N);
    
    for(i = 0; i < N; i++){
        for( j = 0; j < M; j ++){
            printf("matrix[%d][%d] == %d\t",i,j,matrix[i][j]);
        }
        printf("\n");
    }//打印置零后的二维数组
    return 0;
}

请问，平时用的Ubuntu14.04 编程,每次遇到相同问题，该如何在本地,用那些命令 调试。